Synchronizing with MOZILLA_0_9_4_BRANCH

git-svn-id: svn://10.0.0.236/branches/MAPI_SUPP_BRANCH@106605 18797224-902f-48f8-a5cc-f745e15eee43
Fix for Bug #102392 . Refined COM code detect whether mozilla is running or
2001-10-30 00:24:45 +00:00 · 2001-10-10 22:37:02 +00:00 · 2001-10-09 00:24:46 +00:00 · 2001-10-05 21:57:28 +00:00 · 2001-10-05 01:05:16 +00:00 · 2001-10-04 00:20:04 +00:00
67 changed files with 9193 additions and 4702 deletions
--- a/mozilla/mailnews/base/public/nsIMapiRegistry.idl
+++ b/mozilla/mailnews/base/public/nsIMapiRegistry.idl
@@ -11,14 +11,15 @@
 * for the specific language governing rights and limitations under the
 * License.
 *
- * The Original Code is the Netscape security libraries.
+ * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
- * Red Hat Inc.
- * Portions created by the Initial Developer are Copyright (C) 2007
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
@@ -34,55 +35,44 @@
 *
 * ***** END LICENSE BLOCK ***** */

-#ifndef SFTKDBTI_H
-#define SFTKDBTI_H 1
+#include "nsISupports.idl"

-/*
- * private defines
+interface nsIDOMWindow;
+
+/**
+ * This interface provides support for registering Mozilla as the default
+ * Mail Client. This interface can also be used to get/set the user preference
+ * for the default Mail Client.
+ * 
 */
-struct SFTKDBHandleStr {
-    SDB   *db;
-    PRInt32 ref;
-    CK_OBJECT_HANDLE  type;
-    SECItem passwordKey;
-    SECItem *newKey;
-    PZLock *passwordLock;
-    SFTKDBHandle *peerDB;
-    SDB   *update;
+[scriptable, uuid(c5be14ba-4e0a-4eec-a1b8-04363761d63c)]
+interface nsIMapiRegistry: nsISupports {
+
+   /** This is set to TRUE if Mozilla is the default Application
+    */
+   readonly attribute boolean isDefaultMailClient;
+
+   /** This is set TRUE only once per session.
+    */
+   readonly attribute boolean showDialog;
+
+   /** This will update the registry keys to set Mozilla as default Mail Client.
+    */
+   void setDefaultMailClient();
+
+   /** This will reset the registry keys for the default Mail Client.
+    */
+   void unsetDefaultMailClient();
+
+   /** This will bring the dialog asking the user if he/she wants to set
+    * Mozilla as default Mail Client.
+    * Call this only if Mozilla is not the default Mail client
+    */
+   void showMailIntegrationDialog(in nsIDOMWindow parentWindow);
+   
 };

-#define SFTK_KEYDB_TYPE 0x40000000
-#define SFTK_CERTDB_TYPE 0x00000000
-#define SFTK_OBJ_TYPE_MASK 0xc0000000
-#define SFTK_OBJ_ID_MASK (~SFTK_OBJ_TYPE_MASK)
-#define SFTK_TOKEN_TYPE 0x80000000
-
-/* the following is the number of id's to handle on the stack at a time,
- * it's not an upper limit of IDS that can be stored in the database */
-#define SFTK_MAX_IDS 10
-
-#define SFTK_GET_SDB(handle) \
-	((handle)->update ? (handle)->update : (handle)->db)
-
-SECStatus sftkdb_DecryptAttribute(SECItem *passKey, SECItem *cipherText,
-			SECItem **plainText);
-SECStatus sftkdb_EncryptAttribute(PLArenaPool *arena, SECItem *passKey,
-			SECItem *plainText, SECItem **cipherText);
-SECStatus sftkdb_SignAttribute(PLArenaPool *arena, SECItem *passKey,
-			CK_OBJECT_HANDLE objectID,
-			CK_ATTRIBUTE_TYPE attrType,
-			SECItem *plainText, SECItem **sigText);
-SECStatus sftkdb_VerifyAttribute(SECItem *passKey,
-			CK_OBJECT_HANDLE objectID,
-			CK_ATTRIBUTE_TYPE attrType,
-			SECItem *plainText, SECItem *sigText);
-
-void sftk_ULong2SDBULong(unsigned char *data, CK_ULONG value);
-CK_RV sftkdb_Update(SFTKDBHandle *handle, SECItem *key);
-CK_RV sftkdb_PutAttributeSignature(SFTKDBHandle *handle, 
-		SDB *keyTarget, CK_OBJECT_HANDLE objectID, 
-		CK_ATTRIBUTE_TYPE type, SECItem *signText);
-
-
-
-#endif
+%{C++
+#define NS_IMAPIWINHOOK_CONTRACTID    "@mozilla.org/mapiregistry;1"
+#define NS_IMAPIWINHOOK_CLASSNAME "Mozilla MAPI Registry"
+%}
--- a/mozilla/mailnews/mapi/MapiSuppReadMe.htm
+++ b/mozilla/mailnews/mapi/MapiSuppReadMe.htm
@@ -0,0 +1,57 @@
+<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
+<html>
+<head>
+   <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+   <meta name="Generator" content="Microsoft Word 97">
+   <meta name="GENERATOR" content="Mozilla/4.7 [en] (WinNT; U) [Netscape]">
+</head>
+<body>
+
+<blockquote><b><u><font face="Arial"><font size=+0>Instruction for using
+the ‘MAPI_SUPP_BRANCH’ for the Mapi Support feature</font></font></u></b></blockquote>
+
+<ol>
+<li>
+<font face="Arial"><font size=+0>Get the latest 0.94 branch or the the
+trunk and build it</font></font></li>
+</ol>
+
+<ol>
+<li>
+<font face="Arial"><font size=+0>Now go to the dir where u have mozilla
+and get the branch from Mapi, do :</font></font></li>
+</ol>
+<font face="Arial"><font size=+0>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+"cvs co -rMAPI_SUPP_BRANCH mozilla/mailnews/mapi".</font></font>
+<p><font face="Arial"><font size=+0>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+This will get the latest branch for mapi support. The branch MAPI_SUPP_BRANCH
+for mapi support is NOT the full tree,</font></font>
+<br><i><font face="Arial"><font size=+0>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+it is just the mapi&nbsp; dir within mozilla/mailnews.</font></font></i>
+<ol>
+<li>
+<font face="Arial"><font size=+0>Go to mozilla/mailnews/mapi, build the
+mapi dir : 'nmake -f makefile.win'.&nbsp; This completes the building part.</font></font></li>
+</ol>
+
+<ol>
+<li>
+<font face="Arial"><font size=+0>Now run mozilla from your build. Go to
+menuitem Edit/Preferences, this will&nbsp; bring up the Preferences dialog.
+Go to category Mail &amp; NewsGroups. In the General setting section u
+will see the checkbox 'Use Mozilla Mail as the default mail application.'
+Check the checkbox to enable the MAPI support in Mozilla and close the
+Prefs dialog.</font></font></li>
+</ol>
+
+<ol>
+<li>
+<font face="Arial"><font size=+0>You are now ready to test the mozilla's
+MAPI support. Run Word, WordPad, Powerpoint, or Excel. Open a document
+in the app and do File/Send from the app. You should see the Mozilla mailnews
+compose window come up with your document attached to the opened mail.
+Type in the recipients (To, Cc, etc) and send the mail.</font></font></li>
+</ol>
+
+</body>
+</html>
--- a/mozilla/mailnews/mapi/build/MapiProxy.def
+++ b/mozilla/mailnews/mapi/build/MapiProxy.def
@@ -0,0 +1,47 @@
+; ***** BEGIN LICENSE BLOCK *****
+; Version: MPL 1.1/GPL 2.0/LGPL 2.1
+;
+; The contents of this file are subject to the Mozilla Public License Version
+; 1.1 (the "License"); you may not use this file except in compliance with
+; the License. You may obtain a copy of the License at
+; http://www.mozilla.org/MPL/
+;
+; Software distributed under the License is distributed on an "AS IS" basis,
+; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+; for the specific language governing rights and limitations under the
+; License.
+;
+; The Original Code is Mozilla.
+;
+; The Initial Developer of the Original Code is
+; Netscape Communications Corp.
+; Portions created by the Initial Developer are Copyright (C) 2001
+; the Initial Developer. All Rights Reserved.
+;
+; Contributor(s):  Krishna Mohan Khandrika (kkhandrika@netscape.com)
+;
+; Alternatively, the contents of this file may be used under the terms of
+; either the GNU General Public License Version 2 or later (the "GPL"), or
+; the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+; in which case the provisions of the GPL or the LGPL are applicable instead
+; of those above. If you wish to allow use of your version of this file only
+; under the terms of either the GPL or the LGPL, and not to allow others to
+; use your version of this file under the terms of the MPL, indicate your
+; decision by deleting the provisions above and replace them with the notice
+; and other provisions required by the GPL or the LGPL. If you do not delete
+; the provisions above, a recipient may use your version of this file under
+; the terms of any one of the MPL, the GPL or the LGPL.
+;
+; ***** END LICENSE BLOCK ***** 
+
+LIBRARY         MapiProxy.dll
+DESCRIPTION     'Proxy/Stub DLL'
+
+EXPORTS
+                DllGetClassObject   @1  PRIVATE
+                DllCanUnloadNow     @2  PRIVATE
+                GetProxyDllInfo     @3  PRIVATE
+                DllRegisterServer   @4  PRIVATE
+                DllUnregisterServer @5  PRIVATE
+
+
--- a/mozilla/mailnews/mapi/build/makefile.win
+++ b/mozilla/mailnews/mapi/build/makefile.win
@@ -0,0 +1,68 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is Mozilla.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corp.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):  Krishna Mohan Khandrika (kkhandrika@netscape.com)
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK ***** 
+
+DEPTH=..\..\..
+
+MODULE           = MapiProxy
+EXPORT_LIBRARY   = $(MODULE)
+LIBRARY_NAME     = $(MODULE)
+DEFFILE          = MapiProxy.def
+
+include <$(DEPTH)\config\config.mak>
+
+##################################################################
+
+LCFLAGS=-DREGISTER_PROXY_DLL -DUNICODE -D_UNICODE
+
+OBJS= .\$(OBJDIR)\dlldata.obj   \
+    .\$(OBJDIR)\msgMapi_p.obj     \
+    .\$(OBJDIR)\msgMapi_i.obj   \
+    $(NULL)
+
+WIN_LIBS= rpcrt4.lib
+
+EXPORTS= msgMapi.h  \
+     $(NULL)
+
+include <$(DEPTH)\config\rules.mak>
+
+msgMapi.h msgMapi_p.c msgMapi_i.c dlldata.c : msgMapi.idl
+    midl $(UNICODE_FLAGS) msgMapi.idl
+
+clobber::
+	rm -f dlldata.c msgMapi_i.c msgMapi_p.c msgMapi.h
+
+
--- a/mozilla/mailnews/mapi/build/msgMapi.idl
+++ b/mozilla/mailnews/mapi/build/msgMapi.idl
@@ -0,0 +1,114 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ * Contributor(s): Rajiv Dayal (rdayal@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+// This idl will be compiled by MIDL.  MS-COM is used 
+// as brdige between MAPI clients and the Mozilla.
+
+import "unknwn.idl";
+
+typedef wchar_t LOGIN_PW_TYPE[256];
+
+typedef struct
+{
+    unsigned long     ulReserved;            
+    unsigned long     flFlags;               /* Flags */
+    unsigned long     nPosition_NotUsed;     /* character in text to be replaced by attachment */
+    LPTSTR            lpszPathName;          /* Full path name including file name */
+    LPTSTR            lpszFileName;          /* Real (original) file name */
+    unsigned char *   lpFileType_NotUsed ;
+} nsMapiFileDesc, * lpnsMapiFileDesc;
+
+
+typedef struct
+{
+    unsigned long      ulReserved;           
+    unsigned long      ulRecipClass;  /* MAPI_TO, MAPI_CC, MAPI_BCC, MAPI_ORIG    */
+    LPTSTR             lpszName;      /* Recipient name to display */
+    LPTSTR             lpszAddress;   /* Recipient email address */
+    unsigned long      ulEIDSize_NotUsed;     
+    unsigned char  *   lpEntryID_NotUsed ;
+} nsMapiRecipDesc, * lpnsMapiRecipDesc;
+
+typedef struct
+{
+    unsigned long    ulReserved;					
+    LPTSTR           lpszSubject;  /* Message Subject */
+    LPTSTR           lpszNoteText; /* Message Text */
+    LPTSTR           lpszMessageType_NotUsed;		
+    LPTSTR           lpszDateReceived_notUsed;	 /* in YYYY/MM/DD HH:MM format */
+    LPTSTR           lpszConversationID_NotUsed; /* conversation thread ID */
+    unsigned long    flFlags; /* unread,return receipt */
+    lpnsMapiRecipDesc  lpOriginator;  /* Originator descriptor  */
+    unsigned long      nRecipCount;   /* Number of recipients   */
+    lpnsMapiRecipDesc  lpRecips;      /* Recipient descriptors  */
+    unsigned long      nFileCount;    /* # of file attachments  */
+    lpnsMapiFileDesc   lpFiles;       /* Attachment descriptors */
+} nsMapiMessage, * lpnsMapiMessage;
+
+
+[
+    object,
+    uuid(6EDCD38E-8861-11d5-A3DD-00B0D0F3BAA7),
+    helpstring("nsIMapi Inteface"),
+    pointer_default(unique)
+]
+
+interface nsIMapi : IUnknown
+{
+    HRESULT Login(unsigned long aUIArg, LOGIN_PW_TYPE aLogin,
+                  LOGIN_PW_TYPE aPassWord, unsigned long aFlags,
+                  [out] unsigned long *aSessionId);
+
+    HRESULT Initialize();
+    HRESULT IsValid();
+    HRESULT IsValidSession([in] unsigned long aSession);
+
+    HRESULT SendMail([in] unsigned long aSession, [in] lpnsMapiMessage aMessage,
+                  [in] short aRecipCount, [in, size_is(aRecipCount)] lpnsMapiRecipDesc aRecips, 
+                  [in] short aFileCount, [in, size_is(aFileCount)] lpnsMapiFileDesc aFiles, 
+                  [in] unsigned long aFlags, [in] unsigned long aReserved) ;
+
+    HRESULT SendDocuments( [in] unsigned long aSession, 
+                  [in] LPTSTR aDelimChar, [in] LPTSTR aFilePaths,
+                  [in] LPTSTR aFileNames, [in] ULONG aFlags ) ;
+
+    HRESULT Logoff (unsigned long aSession);
+    HRESULT CleanUp();
+};
+
+
+
--- a/mozilla/mailnews/mapi/makefile.win
+++ b/mozilla/mailnews/mapi/makefile.win
@@ -0,0 +1,27 @@
+# !nmake
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+# 
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+# 
+# The Original Code is mozilla.org code.
+# 
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are 
+# Copyright (C) 2001 Netscape Communications Corporation.  All
+# Rights Reserved.
+# 
+# Contributor(s): 
+# Krishna Mohan Khandrika <kkhandrika@netscape.com>
+#
+
+DEPTH=..\..
+
+DIRS=build mapiDll mapihook resources registry
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/mailnews/mapi/mapiDll/Mapi32.DEF
+++ b/mozilla/mailnews/mapi/mapiDll/Mapi32.DEF
@@ -0,0 +1,54 @@
+; ***** BEGIN LICENSE BLOCK *****
+; Version: MPL 1.1/GPL 2.0/LGPL 2.1
+;
+; The contents of this file are subject to the Mozilla Public License Version
+; 1.1 (the "License"); you may not use this file except in compliance with
+; the License. You may obtain a copy of the License at
+; http://www.mozilla.org/MPL/
+;
+; Software distributed under the License is distributed on an "AS IS" basis,
+; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+; for the specific language governing rights and limitations under the
+; License.
+;
+; The Original Code is Mozilla.
+;
+; The Initial Developer of the Original Code is
+; Netscape Communications Corp.
+; Portions created by the Initial Developer are Copyright (C) 2001
+; the Initial Developer. All Rights Reserved.
+;
+; Contributor(s):  Krishna Mohan Khandrika (kkhandrika@netscape.com)
+;
+; Alternatively, the contents of this file may be used under the terms of
+; either the GNU General Public License Version 2 or later (the "GPL"), or
+; the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+; in which case the provisions of the GPL or the LGPL are applicable instead
+; of those above. If you wish to allow use of your version of this file only
+; under the terms of either the GPL or the LGPL, and not to allow others to
+; use your version of this file under the terms of the MPL, indicate your
+; decision by deleting the provisions above and replace them with the notice
+; and other provisions required by the GPL or the LGPL. If you do not delete
+; the provisions above, a recipient may use your version of this file under
+; the terms of any one of the MPL, the GPL or the LGPL.
+;
+; ***** END LICENSE BLOCK ***** 
+
+LIBRARY         mozMapi32.dll
+DESCRIPTION     'Mozilla Simple MAPI Support'
+
+EXPORTS
+        MAPILogon
+        MAPILogoff
+	MAPISendMail
+	MAPISendDocuments
+        MAPIFindNext
+        MAPIReadMail
+        MAPISaveMail
+        MAPIDeleteMail
+        MAPIAddress
+        MAPIDetails
+        MAPIResolveName
+        MAPIFreeBuffer
+        GetMapiDllVersion
+
--- a/mozilla/mailnews/mapi/mapiDll/MapiDll.cpp
+++ b/mozilla/mailnews/mapi/mapiDll/MapiDll.cpp
@@ -0,0 +1,335 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ * Contributor(s): Rajiv Dayal (rdayal@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <windows.h>
+#include <tchar.h>
+#include <assert.h>
+#include <mapidefs.h>
+#include <mapi.h>
+#include "msgMapi.h"
+#include "msgMapiMain.h"
+
+#define MAX_RECIPS  100
+#define MAX_FILES   100
+
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5,
+                              {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+const IID IID_nsIMapi = {0x6EDCD38E,0x8861,0x11d5,
+                        {0xA3,0xDD,0x00,0xB0,0xD0,0xF3,0xBA,0xA7}};
+
+DWORD tId = 0;
+
+BOOL WINAPI DllMain(HINSTANCE aInstance, DWORD aReason, LPVOID aReserved)
+{
+    switch (aReason)
+    {
+        case DLL_PROCESS_ATTACH : tId = TlsAlloc();
+                                  if (tId == 0xFFFFFFFF)
+                                      return FALSE;
+                                  break;
+
+        case DLL_PROCESS_DETACH : TlsFree(tId);
+                                  break;
+    }
+    return TRUE;
+}
+
+BOOL InitMozillaReference(nsIMapi **aRetValue)
+{
+    // Check wehther this thread has a valid Interface
+    // by looking into thread-specific-data variable
+
+    *aRetValue = (nsIMapi *)TlsGetValue(tId);
+
+    // Check whether the pointer actually resolves to
+    // a valid method call; otherwise mozilla is not running
+
+    if ((*aRetValue) && (*aRetValue)->IsValid() == S_OK)
+         return TRUE;
+
+    HRESULT hRes = CoInitialize(NULL);
+
+    hRes = ::CoCreateInstance(CLSID_nsMapiImp, NULL, CLSCTX_LOCAL_SERVER,
+                                         IID_nsIMapi, (LPVOID *)aRetValue);
+
+    if (hRes == S_OK && (*aRetValue)->Initialize() == S_OK)
+        if (TlsSetValue(tId, (LPVOID)(*aRetValue)))
+            return TRUE;
+
+    // Either CoCreate or TlsSetValue failed; so return FALSE
+
+    if ((*aRetValue))
+        (*aRetValue)->Release();
+
+            ::CoUninitialize();
+    return FALSE;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////
+// The MAPILogon function begins a Simple MAPI session, loading the default message ////
+// store and address book providers                            ////
+////////////////////////////////////////////////////////////////////////////////////////
+
+ULONG FAR PASCAL MAPILogon(ULONG aUIParam, LPTSTR aProfileName,
+                            LPTSTR aPassword, FLAGS aFlags,
+                            ULONG aReserved, LPLHANDLE aSession)
+{
+    HRESULT hr = 0;
+    ULONG nSessionId = 0;
+    nsIMapi *pNsMapi = NULL;
+
+    if (!InitMozillaReference(&pNsMapi))
+        return MAPI_E_FAILURE;
+
+    if (!(aFlags & MAPI_UNICODE))
+    {
+        // Need to convert the parameters to Unicode.
+
+        char *pUserName = (char *) aProfileName;
+        char *pPassWord = (char *) aPassword;
+
+        TCHAR ProfileName[MAX_NAME_LEN] = {0};
+        TCHAR PassWord[MAX_PW_LEN] = {0};
+
+        if (pUserName != NULL)
+        {
+            if (!MultiByteToWideChar(CP_ACP, 0, pUserName, -1, ProfileName,
+                                                            MAX_NAME_LEN))
+                return MAPI_E_FAILURE;
+        }
+
+        if (pPassWord != NULL)
+        {
+            if (!MultiByteToWideChar(CP_ACP, 0, pPassWord, -1, PassWord,
+                                                            MAX_NAME_LEN))
+                return MAPI_E_FAILURE;
+        }
+
+        hr = pNsMapi->Login(aUIParam, ProfileName, PassWord, aFlags,
+                                                        &nSessionId);
+    }
+    else
+        hr = pNsMapi->Login(aUIParam, aProfileName, aPassword,
+                                                aFlags, &nSessionId);
+    if (hr == S_OK)
+        (*aSession) = (LHANDLE) nSessionId;
+    else
+        return nSessionId;
+
+    return SUCCESS_SUCCESS;
+}
+
+ULONG FAR PASCAL MAPILogoff (LHANDLE aSession, ULONG aUIParam,
+                                            FLAGS aFlags, ULONG aReserved)
+{
+    nsIMapi *pNsMapi = (nsIMapi *)TlsGetValue(tId);
+    if (pNsMapi != NULL)
+    {
+        if (pNsMapi->Logoff((ULONG) aSession) == S_OK)
+            pNsMapi->Release();
+        pNsMapi = NULL;
+    }
+
+    TlsSetValue(tId, NULL);
+
+    ::CoUninitialize();
+
+    return SUCCESS_SUCCESS;
+}
+
+ULONG FAR PASCAL MAPISendMail (LHANDLE lhSession, ULONG ulUIParam, lpnsMapiMessage lpMessage,
+                FLAGS flFlags, ULONG ulReserved )
+{
+    HRESULT hr = 0;
+    BOOL bTempSession = FALSE ;
+    nsIMapi *pNsMapi = NULL;
+
+    if (!InitMozillaReference(&pNsMapi))
+        return MAPI_E_FAILURE;
+
+    if (lpMessage->nRecipCount > MAX_RECIPS)
+        return MAPI_E_TOO_MANY_RECIPIENTS ;
+
+    if (lpMessage->nFileCount > MAX_FILES)
+        return MAPI_E_TOO_MANY_FILES ;
+
+    if ( (!(flFlags & MAPI_DIALOG)) && (lpMessage->lpRecips == NULL) )
+        return MAPI_E_UNKNOWN_RECIPIENT ;
+
+    if (!lhSession || pNsMapi->IsValidSession(lhSession) != S_OK)
+    {
+        FLAGS LoginFlag ;
+        if ( (flFlags & MAPI_LOGON_UI) && (flFlags & MAPI_NEW_SESSION) )
+            LoginFlag = MAPI_LOGON_UI | MAPI_NEW_SESSION ;
+        else if (flFlags & MAPI_LOGON_UI) 
+            LoginFlag = MAPI_LOGON_UI ;
+
+        hr = MAPILogon (ulUIParam, (LPTSTR) NULL, (LPTSTR) NULL, LoginFlag, 0, &lhSession) ;
+        if (hr != SUCCESS_SUCCESS)
+            return MAPI_E_LOGIN_FAILURE ;
+        bTempSession = TRUE ;
+    }
+
+    // we need to deal with null data passed in by MAPI clients, specially when MAPI_DIALOG is set.
+    // The MS COM type lib code generated by MIDL for the MS COM interfaces checks for these parameters
+    // to be non null, although null is a valid value for them here. 
+    nsMapiRecipDesc * lpRecips ;
+    nsMapiFileDesc * lpFiles ;
+
+    nsMapiMessage Message ;
+    memset (&Message, 0, sizeof (nsMapiMessage) ) ;
+    nsMapiRecipDesc Recipient ;
+    memset (&Recipient, 0, sizeof (nsMapiRecipDesc) );
+    nsMapiFileDesc Files ;
+    memset (&Files, 0, sizeof (nsMapiFileDesc) ) ;
+
+    if(!lpMessage)
+    {
+       lpMessage = &Message ;
+    }
+    if(!lpMessage->lpRecips)
+    {
+        lpRecips = &Recipient ;
+    }
+    else
+        lpRecips = lpMessage->lpRecips ;
+    if(!lpMessage->lpFiles)
+    {
+        lpFiles = &Files ;
+    }
+    else
+        lpFiles = lpMessage->lpFiles ;
+
+    hr = pNsMapi->SendMail (lhSession, lpMessage, 
+                            (short) lpMessage->nRecipCount, lpRecips,
+                            (short) lpMessage->nFileCount, lpFiles,
+                            flFlags, ulReserved);
+
+    if (bTempSession)
+        MAPILogoff (lhSession, ulUIParam, 0,0) ;
+
+    // we are seeing a problem when using Word, although we return success from the MAPI support
+    // MS COM interface in mozilla, we are getting this error here. This is a temporary hack !!
+    if (hr == 0x800703e6)
+        return SUCCESS_SUCCESS;
+    
+    return hr ; 
+}
+
+
+ULONG FAR PASCAL MAPISendDocuments(ULONG ulUIParam, LPTSTR lpszDelimChar, LPTSTR lpszFilePaths,
+                                LPTSTR lpszFileNames, ULONG ulReserved)
+{
+    LHANDLE lhSession ;
+    nsIMapi *pNsMapi = NULL;
+
+    if (!InitMozillaReference(&pNsMapi))
+        return MAPI_E_FAILURE;
+
+    unsigned long result = MAPILogon (ulUIParam, (LPTSTR) NULL, (LPTSTR) NULL, MAPI_LOGON_UI, 0, &lhSession) ;
+    if (result != SUCCESS_SUCCESS)
+        return MAPI_E_LOGIN_FAILURE ;
+
+    HRESULT hr;
+
+    hr = pNsMapi->SendDocuments(lhSession, (LPTSTR) lpszDelimChar, (LPTSTR) lpszFilePaths, 
+                                    (LPTSTR) lpszFileNames, ulReserved) ;
+
+    MAPILogoff (lhSession, ulUIParam, 0,0) ;
+
+    return hr ;
+}
+
+ULONG FAR PASCAL MAPIFindNext(LHANDLE lhSession, ULONG ulUIParam, LPTSTR lpszMessageType,
+                              LPTSTR lpszSeedMessageID, FLAGS flFlags, ULONG ulReserved,
+                              LPTSTR lpszMessageID)
+{
+    return MAPI_E_FAILURE;
+}
+
+ULONG FAR PASCAL MAPIReadMail(LHANDLE lhSession, ULONG ulUIParam, LPTSTR lpszMessageID,
+                              FLAGS flFlags, ULONG ulReserved, lpMapiMessage FAR *lppMessage)
+{
+    return MAPI_E_FAILURE;
+}
+
+ULONG FAR PASCAL MAPISaveMail(LHANDLE lhSession, ULONG ulUIParam, lpMapiMessage lpMessage,
+                              FLAGS flFlags, ULONG ulReserved, LPTSTR lpszMessageID)
+{
+    return MAPI_E_FAILURE;
+}
+
+ULONG FAR PASCAL MAPIDeleteMail(LHANDLE lhSession, ULONG ulUIParam, LPTSTR lpszMessageID,
+                                FLAGS flFlags, ULONG ulReserved)
+{
+    return MAPI_E_FAILURE;
+}
+
+ULONG FAR PASCAL MAPIAddress(LHANDLE lhSession, ULONG ulUIParam, LPTSTR lpszCaption,
+                             ULONG nEditFields, LPTSTR lpszLabels, ULONG nRecips,
+                             lpMapiRecipDesc lpRecips, FLAGS flFlags,
+                             ULONG ulReserved, LPULONG lpnNewRecips,
+                             lpMapiRecipDesc FAR *lppNewRecips)
+{
+    return MAPI_E_FAILURE;
+}
+
+ULONG FAR PASCAL MAPIDetails(LHANDLE lhSession, ULONG ulUIParam, lpMapiRecipDesc lpRecip,
+                             FLAGS flFlags, ULONG ulReserved)
+{
+    return MAPI_E_FAILURE;
+}
+
+ULONG FAR PASCAL MAPIResolveName(LHANDLE lhSession, ULONG ulUIParam, LPTSTR lpszName,
+                                 FLAGS flFlags, ULONG ulReserved, lpMapiRecipDesc FAR *lppRecip)
+{
+    return MAPI_E_FAILURE;
+}
+
+ULONG FAR PASCAL MAPIFreeBuffer(LPVOID pv)
+{
+    return MAPI_E_FAILURE;
+}
+
+ULONG FAR PASCAL GetMapiDllVersion()
+{
+    return 94;
+}
+
+
+
+
--- a/mozilla/mailnews/mapi/mapiDll/makefile.win
+++ b/mozilla/mailnews/mapi/mapiDll/makefile.win
@@ -0,0 +1,54 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is Mozilla.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corp.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK ***** 
+
+DEPTH=..\..\..
+
+MODULE          = mozMapi32
+EXPORT_LIBRARY  = $(MODULE)
+LIBRARY_NAME    = $(MODULE)
+DEFFILE         = Mapi32.def
+
+include <$(DEPTH)\config\config.mak>
+###############################################################
+
+LCFLAGS=-DUNICODE -D_UNICODE
+
+OBJS= .\$(OBJDIR)\MapiDll.obj
+
+WIN_LIBS= ole32.lib
+
+include <$(DEPTH)\config\rules.mak>
+
--- a/mozilla/mailnews/mapi/mapihook/build/MapiProxy.def
+++ b/mozilla/mailnews/mapi/mapihook/build/MapiProxy.def
@@ -0,0 +1,47 @@
+; ***** BEGIN LICENSE BLOCK *****
+; Version: MPL 1.1/GPL 2.0/LGPL 2.1
+;
+; The contents of this file are subject to the Mozilla Public License Version
+; 1.1 (the "License"); you may not use this file except in compliance with
+; the License. You may obtain a copy of the License at
+; http://www.mozilla.org/MPL/
+;
+; Software distributed under the License is distributed on an "AS IS" basis,
+; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+; for the specific language governing rights and limitations under the
+; License.
+;
+; The Original Code is Mozilla.
+;
+; The Initial Developer of the Original Code is
+; Netscape Communications Corp.
+; Portions created by the Initial Developer are Copyright (C) 2001
+; the Initial Developer. All Rights Reserved.
+;
+; Contributor(s):  Krishna Mohan Khandrika (kkhandrika@netscape.com)
+;
+; Alternatively, the contents of this file may be used under the terms of
+; either the GNU General Public License Version 2 or later (the "GPL"), or
+; the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+; in which case the provisions of the GPL or the LGPL are applicable instead
+; of those above. If you wish to allow use of your version of this file only
+; under the terms of either the GPL or the LGPL, and not to allow others to
+; use your version of this file under the terms of the MPL, indicate your
+; decision by deleting the provisions above and replace them with the notice
+; and other provisions required by the GPL or the LGPL. If you do not delete
+; the provisions above, a recipient may use your version of this file under
+; the terms of any one of the MPL, the GPL or the LGPL.
+;
+; ***** END LICENSE BLOCK ***** 
+
+LIBRARY         MapiProxy.dll
+DESCRIPTION     'Proxy/Stub DLL'
+
+EXPORTS
+                DllGetClassObject   @1  PRIVATE
+                DllCanUnloadNow     @2  PRIVATE
+                GetProxyDllInfo     @3  PRIVATE
+                DllRegisterServer   @4  PRIVATE
+                DllUnregisterServer @5  PRIVATE
+
+
--- a/mozilla/mailnews/mapi/mapihook/build/makefile.win
+++ b/mozilla/mailnews/mapi/mapihook/build/makefile.win
@@ -0,0 +1,68 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is Mozilla.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corp.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):  Krishna Mohan Khandrika (kkhandrika@netscape.com)
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK ***** 
+
+DEPTH=..\..\..
+
+MODULE           = MapiProxy
+EXPORT_LIBRARY   = $(MODULE)
+LIBRARY_NAME     = $(MODULE)
+DEFFILE          = MapiProxy.def
+
+include <$(DEPTH)\config\config.mak>
+
+##################################################################
+
+LCFLAGS=-DREGISTER_PROXY_DLL -DUNICODE -D_UNICODE
+
+OBJS= .\$(OBJDIR)\dlldata.obj   \
+    .\$(OBJDIR)\msgMapi_p.obj     \
+    .\$(OBJDIR)\msgMapi_i.obj   \
+    $(NULL)
+
+WIN_LIBS= rpcrt4.lib
+
+EXPORTS= msgMapi.h  \
+     $(NULL)
+
+include <$(DEPTH)\config\rules.mak>
+
+msgMapi.h msgMapi_p.c msgMapi_i.c dlldata.c : msgMapi.idl
+    midl $(UNICODE_FLAGS) msgMapi.idl
+
+clobber::
+	rm -f dlldata.c msgMapi_i.c msgMapi_p.c msgMapi.h
+
+
--- a/mozilla/mailnews/mapi/mapihook/build/msgMapi.idl
+++ b/mozilla/mailnews/mapi/mapihook/build/msgMapi.idl
@@ -0,0 +1,114 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ * Contributor(s): Rajiv Dayal (rdayal@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+// This idl will be compiled by MIDL.  MS-COM is used 
+// as brdige between MAPI clients and the Mozilla.
+
+import "unknwn.idl";
+
+typedef wchar_t LOGIN_PW_TYPE[256];
+
+typedef struct
+{
+    unsigned long     ulReserved;            
+    unsigned long     flFlags;               /* Flags */
+    unsigned long     nPosition_NotUsed;     /* character in text to be replaced by attachment */
+    LPTSTR            lpszPathName;          /* Full path name including file name */
+    LPTSTR            lpszFileName;          /* Real (original) file name */
+    unsigned char *   lpFileType_NotUsed ;
+} nsMapiFileDesc, * lpnsMapiFileDesc;
+
+
+typedef struct
+{
+    unsigned long      ulReserved;           
+    unsigned long      ulRecipClass;  /* MAPI_TO, MAPI_CC, MAPI_BCC, MAPI_ORIG    */
+    LPTSTR             lpszName;      /* Recipient name to display */
+    LPTSTR             lpszAddress;   /* Recipient email address */
+    unsigned long      ulEIDSize_NotUsed;     
+    unsigned char  *   lpEntryID_NotUsed ;
+} nsMapiRecipDesc, * lpnsMapiRecipDesc;
+
+typedef struct
+{
+    unsigned long    ulReserved;					
+    LPTSTR           lpszSubject;  /* Message Subject */
+    LPTSTR           lpszNoteText; /* Message Text */
+    LPTSTR           lpszMessageType_NotUsed;		
+    LPTSTR           lpszDateReceived_notUsed;	 /* in YYYY/MM/DD HH:MM format */
+    LPTSTR           lpszConversationID_NotUsed; /* conversation thread ID */
+    unsigned long    flFlags; /* unread,return receipt */
+    lpnsMapiRecipDesc  lpOriginator;  /* Originator descriptor  */
+    unsigned long      nRecipCount;   /* Number of recipients   */
+    lpnsMapiRecipDesc  lpRecips;      /* Recipient descriptors  */
+    unsigned long      nFileCount;    /* # of file attachments  */
+    lpnsMapiFileDesc   lpFiles;       /* Attachment descriptors */
+} nsMapiMessage, * lpnsMapiMessage;
+
+
+[
+    object,
+    uuid(6EDCD38E-8861-11d5-A3DD-00B0D0F3BAA7),
+    helpstring("nsIMapi Inteface"),
+    pointer_default(unique)
+]
+
+interface nsIMapi : IUnknown
+{
+    HRESULT Login(unsigned long aUIArg, LOGIN_PW_TYPE aLogin,
+                  LOGIN_PW_TYPE aPassWord, unsigned long aFlags,
+                  [out] unsigned long *aSessionId);
+
+    HRESULT Initialize();
+    HRESULT IsValid();
+    HRESULT IsValidSession([in] unsigned long aSession);
+
+    HRESULT SendMail([in] unsigned long aSession, [in] lpnsMapiMessage aMessage,
+                  [in] short aRecipCount, [in, size_is(aRecipCount)] lpnsMapiRecipDesc aRecips, 
+                  [in] short aFileCount, [in, size_is(aFileCount)] lpnsMapiFileDesc aFiles, 
+                  [in] unsigned long aFlags, [in] unsigned long aReserved) ;
+
+    HRESULT SendDocuments( [in] unsigned long aSession, 
+                  [in] LPTSTR aDelimChar, [in] LPTSTR aFilePaths,
+                  [in] LPTSTR aFileNames, [in] ULONG aFlags ) ;
+
+    HRESULT Logoff (unsigned long aSession);
+    HRESULT CleanUp();
+};
+
+
+
--- a/mozilla/mailnews/mapi/mapihook/makefile.win
+++ b/mozilla/mailnews/mapi/mapihook/makefile.win
@@ -0,0 +1,77 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is Mozilla.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corp.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):  Srilatha Moturi (srilatha@netscape.com)
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK ***** 
+
+DEPTH=..\..\..
+
+MODULE          = msgMapi
+EXPORT_LIBRARY  = $(MODULE)
+LIBRARY_NAME    = $(MODULE)
+
+include <$(DEPTH)\config\config.mak>
+############################################################################
+
+REQUIRES        = xpcom \
+                  string \
+                  $(NULL)
+
+LCFLAGS=-DUNICODE -D_UNICODE
+
+OBJS=   \
+    ..\build\$(OBJDIR)\msgMapi_i.obj    \
+    .\$(OBJDIR)\msgMapiFactory.obj  \
+    .\$(OBJDIR)\msgMapiHook.obj \
+    .\$(OBJDIR)\msgMapiImp.obj  \
+    .\$(OBJDIR)\msgMapiMain.obj \
+    .\$(OBJDIR)\msgMapiSupport.obj  \
+    $(NULL)
+
+LLIBS=                               \
+ $(DIST)\lib\xpcom.lib               \
+ $(DIST)\lib\msgbsutl.lib            \
+ $(LIBNSPR)                          \
+ $(NULL)
+
+WIN_LIBS= ole32.lib
+
+EXPORTS=    \
+    msgMapiFactory.h    \
+    msgMapiHook.h   \
+    msgMapiImp.h    \
+    msgMapiMain.h   \
+    msgMapiSupport.h    \
+    $(NULL)
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/mailnews/mapi/mapihook/msgMapiFactory.cpp
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiFactory.cpp
@@ -0,0 +1,121 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#undef UNICODE
+#undef _UNICODE
+
+#include "msgMapiFactory.h"
+#include "msgMapiImp.h"
+#include "msgMapi.h"
+
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5, {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+
+
+nsMapiFactory::nsMapiFactory()
+: m_cRef(1)
+{
+}
+
+nsMapiFactory::~nsMapiFactory()
+{
+}
+
+STDMETHODIMP nsMapiFactory::QueryInterface(const IID& aIid, void** aPpv)
+{    
+    if ((aIid == IID_IUnknown) || (aIid == IID_IClassFactory))
+    {
+        *aPpv = static_cast<IClassFactory*>(this); 
+    }
+    else
+    {
+        *aPpv = nsnull;
+        return E_NOINTERFACE;
+    }
+    reinterpret_cast<IUnknown*>(*aPpv)->AddRef();
+    return S_OK;
+}
+
+STDMETHODIMP_(ULONG) nsMapiFactory::AddRef()
+{
+    return (PR_AtomicIncrement(&m_cRef));
+}
+
+STDMETHODIMP_(ULONG) nsMapiFactory::Release() 
+{
+    PRInt32 temp;
+    temp = PR_AtomicDecrement(&m_cRef);
+    if (m_cRef == 0)
+    {
+        delete this;
+        return 0;
+    }
+
+    return temp;
+}
+
+STDMETHODIMP nsMapiFactory::CreateInstance(IUnknown* aUnknownOuter,
+                                           const IID& aIid,
+                                           void** aPpv) 
+{
+    // Cannot aggregate.
+
+    if (aUnknownOuter != nsnull)
+    {
+        return CLASS_E_NOAGGREGATION ;
+    }
+
+    // Create component.
+
+    nsMapiImp* pImp = new nsMapiImp();
+    if (pImp == nsnull)
+    {
+        return E_OUTOFMEMORY ;
+    }
+
+    // Get the requested interface.
+    HRESULT hr = pImp->QueryInterface(aIid, aPpv);
+
+    // Release the IUnknown pointer.
+    // (If QueryInterface failed, component will delete itself.)
+
+    pImp->Release();
+    return hr;
+}
+
+STDMETHODIMP nsMapiFactory::LockServer(PRBool aLock) 
+{
+    return S_OK ;
+}
--- a/mozilla/mailnews/mapi/mapihook/msgMapiFactory.h
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiFactory.h
@@ -0,0 +1,69 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_FACTORY_H
+#define MSG_MAPI_FACTORY_H
+
+#include <windows.h>
+#include <objbase.h>
+#include "nspr.h"
+
+
+class nsMapiFactory : public IClassFactory
+{
+public :
+
+    // IUnknown
+
+    STDMETHODIMP            QueryInterface (REFIID aIid, void** aPpv);
+    STDMETHODIMP_(ULONG)    AddRef(void);
+    STDMETHODIMP_(ULONG)    Release(void);
+
+    // IClassFactory
+
+    STDMETHODIMP        CreateInstance (LPUNKNOWN aUnkOuter, REFIID aIid, void **aPpv);
+    STDMETHODIMP        LockServer (BOOL aLock);
+
+    nsMapiFactory();
+    ~nsMapiFactory();
+
+private :
+
+    PRInt32 m_cRef;
+};
+
+#endif  // MSG_MAPI_FACTORY_H
+
--- a/mozilla/mailnews/mapi/mapihook/msgMapiHook.cpp
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiHook.cpp
@@ -0,0 +1,842 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ * Contributor(s): Srilatha Moturi (srilatha@netscape.com)
+ * Contributor(s): Rajiv Dayal (rdayal@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#define MAPI_STARTUP_ARG       "/MAPIStartUp"
+
+#define MAPI_STARTUP_ARG       "/MAPIStartUp"
+
+#include <mapidefs.h>
+#include <mapi.h>
+
+#include "nsCOMPtr.h"
+#include "nsIComponentManager.h"
+#include "nsIServiceManager.h"
+#include "nsISupports.h"
+#include "nsIPromptService.h"
+#include "nsAppShellCIDs.h"
+#include "nsIDOMWindowInternal.h"
+#include "nsIAppShellService.h"
+#include "nsINativeAppSupport.h"
+#include "nsICmdLineService.h"
+#include "nsIProfileInternal.h"
+#include "nsIMsgAccountManager.h"
+#include "nsIDOMWindowInternal.h"
+#include "nsXPIDLString.h"
+#include "nsReadableUtils.h"
+#include "nsMsgBaseCID.h"
+#include "nsIStringBundle.h"
+#include "nsIPref.h"
+#include "nsString.h"
+
+#include "nsIMsgCompFields.h"
+#include "nsIMsgComposeParams.h"
+#include "nsIMsgCompose.h"
+#include "nsMsgCompCID.h"
+#include "nsIMsgSend.h"
+#include "nsIProxyObjectManager.h"
+#include "nsIMsgComposeService.h"
+#include "nsProxiedService.h"
+#include "nsSpecialSystemDirectory.h"
+#include "nsMsgI18N.h"
+
+#include "msgMapi.h"
+#include "msgMapiHook.h"
+#include "msgMapiSupport.h"
+#include "msgMapiMain.h"
+
+static NS_DEFINE_CID(kCmdLineServiceCID, NS_COMMANDLINE_SERVICE_CID);
+
+#define MAPI_PROPERTIES_CHROME  "chrome://messenger/locale/mapi.properties"
+#define PREF_MAPI_WARN_PRIOR_TO_BLIND_SEND "mapi.blind-send.warn"
+#define PREF_MAPI_BLIND_SEND_ENABLED       "mapi.blind-send.enabled"
+
+class nsMAPISendListener : public nsIMsgSendListener
+{
+public:
+
+    virtual ~nsMAPISendListener() { }
+
+    // nsISupports interface
+    NS_DECL_ISUPPORTS
+
+    /* void OnStartSending (in string aMsgID, in PRUint32 aMsgSize); */
+    NS_IMETHOD OnStartSending(const char *aMsgID, PRUint32 aMsgSize) { return NS_OK; }
+
+    /* void OnProgress (in string aMsgID, in PRUint32 aProgress, in PRUint32 aProgressMax); */
+    NS_IMETHOD OnProgress(const char *aMsgID, PRUint32 aProgress, PRUint32 aProgressMax) { return NS_OK;}
+
+    /* void OnStatus (in string aMsgID, in wstring aMsg); */
+    NS_IMETHOD OnStatus(const char *aMsgID, const PRUnichar *aMsg) { return NS_OK;}
+
+    /* void OnStopSending (in string aMsgID, in nsresult aStatus, in wstring aMsg, in nsIFileSpec returnFileSpec); */
+    NS_IMETHOD OnStopSending(const char *aMsgID, nsresult aStatus, const PRUnichar *aMsg, 
+                           nsIFileSpec *returnFileSpec) {
+#ifdef RAJIV_DEBUG 
+        printf("Sending Done - OnStopSending \n");
+#endif
+        m_done = PR_TRUE;
+        return NS_OK ;
+    }
+
+    /* void OnGetDraftFolderURI (); */
+    NS_IMETHOD OnGetDraftFolderURI(const char *aFolderURI) {return NS_OK;}
+
+    static nsresult CreateMAPISendListener( nsIMsgSendListener **ppListener);
+
+    PRBool IsDone() { return m_done ; }
+
+protected :
+    nsMAPISendListener() {
+        NS_INIT_REFCNT(); 
+        m_done = PR_FALSE;
+    }
+
+    PRBool          m_done;
+};
+
+
+NS_IMPL_THREADSAFE_ISUPPORTS1(nsMAPISendListener, nsIMsgSendListener)
+
+nsresult nsMAPISendListener::CreateMAPISendListener( nsIMsgSendListener **ppListener)
+{
+    NS_ENSURE_ARG_POINTER(ppListener) ;
+
+    *ppListener = new nsMAPISendListener();
+    if (! *ppListener)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    NS_ADDREF(*ppListener);
+    return NS_OK;
+}
+
+PRBool nsMapiHook::isMapiService = PR_FALSE;
+
+PRBool nsMapiHook::Initialize()
+{
+    nsresult rv;
+    nsCOMPtr<nsINativeAppSupport> native;
+
+    nsCOMPtr<nsICmdLineService> cmdLineArgs(do_GetService(kCmdLineServiceCID, &rv));
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    nsCOMPtr<nsIAppShellService> appShell (do_GetService( "@mozilla.org/appshell/appShellService;1", &rv));
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    rv = appShell->GetNativeAppSupport( getter_AddRefs( native ));
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    rv = native->EnsureProfile(cmdLineArgs);
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    return PR_TRUE;
+}
+
+void nsMapiHook::CleanUp()
+{
+    // This routine will be fully implemented in future
+    // to cleanup mapi related stuff inside mozilla code.
+}
+
+PRBool nsMapiHook::DisplayLoginDialog(PRBool aLogin, PRUnichar **aUsername, \
+                      PRUnichar **aPassword)
+{
+    nsresult rv;
+    PRBool btnResult = PR_FALSE;
+
+    nsCOMPtr<nsIAppShellService> appShell(do_GetService( "@mozilla.org/appshell/appShellService;1", &rv));
+    if (NS_FAILED(rv) || !appShell) return PR_FALSE;
+   
+    nsCOMPtr<nsIPromptService> dlgService(do_GetService("@mozilla.org/embedcomp/prompt-service;1", &rv));
+    if (NS_SUCCEEDED(rv) && dlgService)
+    {
+        nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv));
+        if (NS_FAILED(rv) || !bundleService) return PR_FALSE;
+
+        nsCOMPtr<nsIStringBundle> bundle;
+        rv = bundleService->CreateBundle(MAPI_PROPERTIES_CHROME, getter_AddRefs(bundle));
+        if (NS_FAILED(rv) || !bundle) return PR_FALSE;
+
+        nsCOMPtr<nsIStringBundle> brandBundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://global/locale/brand.properties",
+                        getter_AddRefs(brandBundle));
+        if (NS_FAILED(rv)) return PR_FALSE;
+
+        nsXPIDLString brandName;
+        rv = brandBundle->GetStringFromName(
+                           NS_LITERAL_STRING("brandShortName").get(),
+                           getter_Copies(brandName));
+        if (NS_FAILED(rv)) return PR_FALSE;
+        
+        nsXPIDLString loginTitle;
+        const PRUnichar *brandStrings[] = { brandName.get() };
+        NS_NAMED_LITERAL_STRING(loginTitlePropertyTag, "loginTitle");
+        const PRUnichar *dTitlePropertyTag = loginTitlePropertyTag.get();
+        rv = bundle->FormatStringFromName(dTitlePropertyTag, brandStrings, 1,
+                                          getter_Copies(loginTitle));
+        if (NS_FAILED(rv)) return PR_FALSE;
+        
+        if (aLogin)
+        {
+            nsXPIDLString loginText;
+            rv = bundle->GetStringFromName(NS_LITERAL_STRING("loginTextwithName").get(),
+                                           getter_Copies(loginText));
+            if (NS_FAILED(rv) || !loginText) return PR_FALSE;
+
+
+
+            rv = dlgService->PromptUsernameAndPassword(nsnull, loginTitle,
+                                                       loginText, aUsername, aPassword,
+                                                       nsnull, PR_FALSE, &btnResult);
+        }
+        else
+        {
+            //nsString loginString; 
+            nsXPIDLString loginText;
+            const PRUnichar *userNameStrings[] = { *aUsername };
+
+            NS_NAMED_LITERAL_STRING(loginTextPropertyTag, "loginText");
+            const PRUnichar *dpropertyTag = loginTextPropertyTag.get();
+            rv = bundle->FormatStringFromName(dpropertyTag, userNameStrings, 1,
+                                              getter_Copies(loginText));
+            if (NS_FAILED(rv)) return PR_FALSE;
+
+            rv = dlgService->PromptPassword(nsnull, loginTitle, loginText,
+                                            aPassword, nsnull, PR_FALSE, &btnResult);
+        }
+    }            
+
+    return btnResult;
+}
+
+PRBool nsMapiHook::VerifyUserName(const PRUnichar *aUsername, char **aIdKey)
+{
+    nsresult rv;
+
+    if (aUsername == nsnull)
+        return PR_FALSE;
+
+    nsCOMPtr<nsIMsgAccountManager> accountManager(do_GetService(NS_MSGACCOUNTMANAGER_CONTRACTID, &rv));
+    if (NS_FAILED(rv)) return PR_FALSE;
+    nsCOMPtr<nsISupportsArray> identities;
+    rv = accountManager->GetAllIdentities(getter_AddRefs(identities));
+    if (NS_FAILED(rv)) return PR_FALSE;
+    PRUint32 numIndentities;
+    identities->Count(&numIndentities);
+
+    for (PRUint32 i = 0; i < numIndentities; i++)
+    {
+        // convert supports->Identity
+        nsCOMPtr<nsISupports> thisSupports;
+        rv = identities->GetElementAt(i, getter_AddRefs(thisSupports));
+        if (NS_FAILED(rv)) continue;
+        nsCOMPtr<nsIMsgIdentity> thisIdentity(do_QueryInterface(thisSupports, &rv));
+        if (NS_SUCCEEDED(rv) && thisIdentity)
+        {
+            nsXPIDLCString email;
+            rv = thisIdentity->GetEmail(getter_Copies(email));
+            if (NS_FAILED(rv)) continue;
+
+            // get the username from the email and compare with the username
+            nsCAutoString aEmail(email.get());
+            PRInt32 index = aEmail.FindChar('@');
+            if (index != -1)
+                aEmail.Truncate(index);
+
+if (nsDependentString(aUsername) == NS_ConvertASCIItoUCS2(aEmail))  // == overloaded
+                return NS_SUCCEEDED(thisIdentity->GetKey(aIdKey));
+        }
+    }
+
+    return PR_FALSE;
+}
+
+PRBool 
+nsMapiHook::IsBlindSendAllowed()
+{
+    PRBool enabled = PR_FALSE;
+    PRBool warn = PR_TRUE;
+    nsCOMPtr<nsIPref> prefs = do_GetService(NS_PREF_CONTRACTID);
+    if (prefs) {
+	    prefs->GetBoolPref(PREF_MAPI_WARN_PRIOR_TO_BLIND_SEND,&warn);
+            prefs->GetBoolPref(PREF_MAPI_BLIND_SEND_ENABLED,&enabled);
+    } 
+    if (!enabled)
+        return PR_FALSE;
+
+    if (!warn)
+        return PR_TRUE; // Everything is okay.  
+
+    nsresult rv;
+    nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv));
+    if (NS_FAILED(rv) || !bundleService) return PR_FALSE;
+
+    nsCOMPtr<nsIStringBundle> bundle;
+    rv = bundleService->CreateBundle(MAPI_PROPERTIES_CHROME, getter_AddRefs(bundle));
+    if (NS_FAILED(rv) || !bundle) return PR_FALSE;
+
+    nsXPIDLString warningMsg;
+    rv = bundle->GetStringFromName(NS_LITERAL_STRING("mapiBlindSendWarning").get(),
+                                        getter_Copies(warningMsg));
+    if (NS_FAILED(rv)) return PR_FALSE;
+    
+   nsXPIDLString dontShowAgainMessage;
+    rv = bundle->GetStringFromName(NS_LITERAL_STRING("mapiBlindSendDontShowAgain").get(),
+                                        getter_Copies(dontShowAgainMessage));
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    nsCOMPtr<nsIPromptService> dlgService(do_GetService("@mozilla.org/embedcomp/prompt-service;1", &rv));
+    if (NS_FAILED(rv) || !dlgService) return PR_FALSE;
+    
+    PRBool continueToWarn = PR_TRUE;
+    PRBool okayToContinue = PR_FALSE;
+    dlgService->ConfirmCheck(nsnull, nsnull, warningMsg, dontShowAgainMessage, &continueToWarn, &okayToContinue);
+        
+    if (!continueToWarn && okayToContinue && prefs)
+        prefs->SetBoolPref(PREF_MAPI_WARN_PRIOR_TO_BLIND_SEND,PR_FALSE);
+    
+    return okayToContinue;
+        
+}
+
+// this is used for Send without UI
+nsresult nsMapiHook::BlindSendMail (unsigned long aSession, nsIMsgCompFields * aCompFields) 
+{
+    nsresult rv = NS_OK ;
+
+    if (!IsBlindSendAllowed())
+        return NS_ERROR_FAILURE;
+
+    /** create nsIMsgComposeParams obj and other fields to populate it **/    
+
+    // get parent window
+    nsCOMPtr<nsIAppShellService> appService = do_GetService( "@mozilla.org/appshell/appShellService;1", &rv);
+    if (NS_FAILED(rv)|| (!appService) ) return rv ;
+
+    nsCOMPtr<nsIDOMWindowInternal>  hiddenWindow;
+    rv = appService->GetHiddenDOMWindow(getter_AddRefs(hiddenWindow));
+
+    if ( NS_FAILED(rv) ) return rv ;
+
+    // smtp password and Logged in used IdKey from MapiConfig (session obj)
+    nsMAPIConfiguration * pMapiConfig = nsMAPIConfiguration::GetMAPIConfiguration() ;
+    if (!pMapiConfig) return NS_ERROR_FAILURE ;  // get the singelton obj
+    PRUnichar * password = pMapiConfig->GetPassWord(aSession) ;
+    // password
+    nsCAutoString smtpPassword ;
+    smtpPassword.AssignWithConversion (password) ;
+    // Id key
+    char * MsgIdKey = pMapiConfig->GetIdKey(aSession) ;
+
+    // get the MsgIdentity for the above key using AccountManager
+    nsCOMPtr <nsIMsgAccountManager> accountManager = do_GetService (NS_MSGACCOUNTMANAGER_CONTRACTID) ;
+    if (NS_FAILED(rv) || (!accountManager) ) return rv ;
+
+    nsCOMPtr <nsIMsgIdentity> pMsgId ;
+    rv = accountManager->GetIdentity (MsgIdKey, getter_AddRefs(pMsgId)) ;
+    if (NS_FAILED(rv) ) return rv ;
+
+    // create a send listener to get back the send status
+    nsCOMPtr <nsIMsgSendListener> sendListener ;
+    rv = nsMAPISendListener::CreateMAPISendListener(getter_AddRefs(sendListener)) ; 
+    if (NS_FAILED(rv) || (!sendListener) ) return rv;
+
+    // create the compose params object 
+    nsCOMPtr<nsIMsgComposeParams> pMsgComposeParams (do_CreateInstance(NS_MSGCOMPOSEPARAMS_CONTRACTID, &rv));
+    if (NS_FAILED(rv) || (!pMsgComposeParams) ) return rv ;
+
+    // populate the compose params
+    pMsgComposeParams->SetType(nsIMsgCompType::New);
+    pMsgComposeParams->SetFormat(nsIMsgCompFormat::Default);
+    pMsgComposeParams->SetIdentity(pMsgId);
+    pMsgComposeParams->SetComposeFields(aCompFields); 
+    pMsgComposeParams->SetSendListener(sendListener) ;
+    pMsgComposeParams->SetSmtpPassword(smtpPassword);
+
+    // create the nsIMsgCompose object to send the object
+    nsCOMPtr<nsIMsgCompose> pMsgCompose (do_CreateInstance(NS_MSGCOMPOSE_CONTRACTID, &rv));
+    if (NS_FAILED(rv) || (!pMsgCompose) ) return rv ;
+
+    /** initialize nsIMsgCompose, Send the message, wait for send completion response **/
+
+    rv = pMsgCompose->Initialize(hiddenWindow, pMsgComposeParams) ;
+    if (NS_FAILED(rv)) return rv ;
+
+    pMsgCompose->SendMsg(nsIMsgSend::nsMsgDeliverNow, pMsgId, nsnull) ;
+    if (NS_FAILED(rv)) return rv ;
+
+    // assign to interface pointer from nsCOMPtr to facilitate typecast below
+    nsIMsgSendListener * pSendListener = sendListener ;  
+
+    // we need to wait here to make sure that we return only after send is completed
+    // so we will have a event loop here which will process the events till the Send IsDone.
+    nsCOMPtr<nsIEventQueueService> pEventQService = do_GetService(NS_EVENTQUEUESERVICE_CONTRACTID, &rv);
+    nsCOMPtr<nsIEventQueue> eventQueue;
+    pEventQService->GetThreadEventQueue(NS_CURRENT_THREAD,getter_AddRefs(eventQueue));
+    while ( !((nsMAPISendListener *) pSendListener)->IsDone() )
+        eventQueue->ProcessPendingEvents();
+
+    return rv ;
+}
+
+// this is used to populate comp fields with Unicode data
+nsresult nsMapiHook::PopulateCompFields(lpnsMapiMessage aMessage, 
+                                    nsIMsgCompFields * aCompFields)
+{
+    nsresult rv = NS_OK ;
+
+    if (aMessage->lpOriginator)
+    {
+        PRUnichar * From = aMessage->lpOriginator->lpszAddress ;
+        aCompFields->SetFrom (From) ;
+    }
+
+    nsAutoString To ;
+    nsAutoString Cc ; 
+    nsAutoString Bcc ;
+
+    nsAutoString Comma ;
+    Comma.AssignWithConversion(",");
+
+    if (aMessage->lpRecips)
+    {
+        for (int i=0 ; i < (int) aMessage->nRecipCount ; i++)
+        {
+            if (aMessage->lpRecips[i].lpszAddress)
+            {
+                switch (aMessage->lpRecips[i].ulRecipClass)
+                {
+                case MAPI_TO :
+                    if (To.Length() > 0)
+                        To += Comma ;
+                    To += (PRUnichar *) aMessage->lpRecips[i].lpszAddress ;
+                    break ;
+
+                case MAPI_CC :
+                    if (Cc.Length() > 0)
+                        Cc += Comma ;
+                    Cc += (PRUnichar *) aMessage->lpRecips[i].lpszAddress ; 
+                    break ;
+
+                case MAPI_BCC :
+                    if (Bcc.Length() > 0)
+                        Bcc += Comma ;
+                    Bcc += (PRUnichar *) aMessage->lpRecips[i].lpszAddress ; 
+                    break ;
+                }
+            }
+        }
+    }
+
+    // set To, Cc, Bcc
+    aCompFields->SetTo (To.get()) ;
+    aCompFields->SetCc (Cc.get()) ;
+    aCompFields->SetBcc (Bcc.get()) ;
+
+    // set subject
+    if (aMessage->lpszSubject)
+    {
+        PRUnichar * Subject = aMessage->lpszSubject ;
+        aCompFields->SetSubject(Subject) ;
+    }
+
+    // handle attachments as File URL
+    rv = HandleAttachments (aCompFields, aMessage->nFileCount, aMessage->lpFiles, PR_TRUE) ;
+    if (NS_FAILED(rv)) return rv ;    
+
+    // set body
+    if (aMessage->lpszNoteText)
+    {
+        PRUnichar * Body = aMessage->lpszNoteText ;
+        rv = aCompFields->SetBody(Body) ;
+    }
+
+#ifdef RAJIV_DEBUG
+    // testing what all was set in CompFields
+    printf ("To : %S \n", To.get()) ;
+    printf ("CC : %S \n", Cc.get() ) ;
+    printf ("BCC : %S \n", Bcc.get() ) ;
+#endif
+
+    return rv ;
+
+}
+
+nsresult nsMapiHook::HandleAttachments (nsIMsgCompFields * aCompFields, PRInt32 aFileCount, 
+                                        lpnsMapiFileDesc aFiles, BOOL aIsUnicode)
+{
+    nsresult rv = NS_OK ;
+
+    nsCAutoString Attachments ;
+    nsCAutoString TempFiles ;
+
+    nsCOMPtr <nsILocalFile> pFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pFile) ) return rv ;        
+    nsCOMPtr <nsILocalFile> pTempDir = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pTempDir) ) return rv ;        
+
+    for (int i=0 ; i < aFileCount ; i++)
+    {
+        PRBool bTempFile = PR_FALSE ;
+        if (aFiles[i].lpszPathName)
+        {
+            if (aIsUnicode)
+                pFile->InitWithUnicodePath (aFiles[i].lpszPathName) ; 
+            else
+                pFile->InitWithPath ((char *) aFiles[i].lpszPathName) ; 
+            PRBool bExist ;
+            rv = pFile->Exists(&bExist) ;
+            if (NS_FAILED(rv) || (!bExist) ) return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST ;
+
+            // we do this since MS Office apps create a temp file when sending  
+            // the currently open document in that app
+            if (aFiles[i].lpszFileName)
+            {
+                // Win temp Path
+                nsAutoString tempPath ;
+                nsSpecialSystemDirectory tmpDir(nsSpecialSystemDirectory::OS_TemporaryDirectory);
+                ((nsFileSpec*)&tmpDir)->GetNativePathString(tempPath);
+                tempPath.ToLowerCase() ;
+
+                // filename of the file attachment
+                nsXPIDLString pLeafName ;
+                pFile->GetUnicodeLeafName (getter_Copies(pLeafName)) ;
+
+                // dir path of the file attachment
+                nsXPIDLString pPath ;
+                pFile->GetUnicodePath (getter_Copies(pPath)) ;
+                nsAutoString Path ;
+                Path.Assign(pPath.get()) ;
+
+                nsAutoString LeafName ;
+                LeafName.Assign (pLeafName.get());
+                PRInt32 offset = Path.RFind (LeafName) ;
+                Path.SetLength(offset) ;
+                Path.ToLowerCase() ;
+
+                if (tempPath == Path)
+                {
+                    // create another temp dir for mapi within Win temp dir
+                    nsAutoString strTempDir ;
+                    strTempDir += tempPath.get() ; 
+                    strTempDir.AppendWithConversion("moz_mapi") ; 
+                    pTempDir->InitWithUnicodePath (strTempDir.get()) ;
+                    pTempDir->Exists (&bExist) ;
+                    if (!bExist)
+                    {
+                        rv = pTempDir->Create(nsIFile::DIRECTORY_TYPE, 777) ;
+                        if (NS_FAILED(rv)) return rv ;
+                    }
+                    // filename passed for the file attachment
+                    if (aIsUnicode)
+                    {
+                        nsAutoString RealFileName ;
+                        RealFileName.Assign (aFiles[i].lpszFileName) ;
+                        // copy to our mapi temp dir with real name
+                        rv = pFile->CopyToUnicode(pTempDir, RealFileName.get()) ;
+                        if (NS_FAILED(rv)) return rv ;
+                        pFile->InitWithUnicodePath(strTempDir.get()) ;
+                        pFile->AppendUnicode (RealFileName.get()) ;
+                    }
+                    else
+                    {
+                        nsCAutoString asciiRealFileName ;
+                        asciiRealFileName.Assign((char *) aFiles[i].lpszFileName) ;
+                        nsCAutoString asciiLeafName ;
+                        asciiLeafName.AssignWithConversion (pLeafName.get());
+                        // copy to our mapi temp dir with real name
+                        rv = pFile->CopyTo(pTempDir, asciiRealFileName.get()) ;
+                        if (NS_FAILED(rv)) return rv ;
+                        pFile->InitWithUnicodePath(strTempDir.get()) ;
+                        pFile->Append (asciiRealFileName.get()) ;
+                    }
+                    // this one is a temp file
+                    bTempFile = PR_TRUE ;
+                }
+            }
+            // get url 
+            nsXPIDLCString pURL ;
+            pFile->GetURL (getter_Copies(pURL)) ;
+            if (pURL)
+            {
+                if (Attachments.Length() > 0)
+                    Attachments.Append(",") ;
+                Attachments.Append(pURL) ;
+                if (bTempFile)
+                {
+                    if (TempFiles.Length() > 0)
+                        TempFiles.Append(",") ;
+                    TempFiles.Append(pURL) ;
+                }
+            }
+        }
+    }
+    // set attachment
+    if (Attachments.Length() > 0)
+        rv = aCompFields->SetAttachments (Attachments.get());
+    // set temp file
+    if (TempFiles.Length() > 0)
+        rv = aCompFields->SetTemporaryFiles(TempFiles.get());
+
+#ifdef RAJIV_DEBUG
+    printf ("Attachments : %s \n", Attachments.get()) ;
+    printf ("TempFiles : %s \n", TempFiles.get()) ;
+#endif
+
+    return rv ;
+}
+
+
+// this is used to convert non Unicode data and then populate comp fields
+nsresult nsMapiHook::PopulateCompFieldsWithConversion(lpnsMapiMessage aMessage, 
+                                    nsIMsgCompFields * aCompFields)
+{
+    nsresult rv = NS_OK ;
+
+    if (aMessage->lpOriginator)
+    {
+        nsAutoString From ;
+        From.AssignWithConversion((char *) aMessage->lpOriginator->lpszAddress);
+        aCompFields->SetFrom (From.get()) ;
+    }
+
+    nsAutoString To ;
+    nsAutoString Cc ; 
+    nsAutoString Bcc ;
+
+    nsAutoString Comma ;
+    Comma.AssignWithConversion(",");
+
+    if (aMessage->lpRecips)
+    {
+        for (int i=0 ; i < (int) aMessage->nRecipCount ; i++)
+        {
+            if (aMessage->lpRecips[i].lpszAddress)
+            {
+                switch (aMessage->lpRecips[i].ulRecipClass)
+                {
+                case MAPI_TO :
+                    if (To.Length() > 0)
+                        To += Comma ;
+                    To.AppendWithConversion ((char *) aMessage->lpRecips[i].lpszAddress);
+                    break ;
+
+                case MAPI_CC :
+                    if (Cc.Length() > 0)
+                        Cc += Comma ;
+                    Cc.AppendWithConversion ((char *) aMessage->lpRecips[i].lpszAddress); 
+                    break ;
+
+                case MAPI_BCC :
+                    if (Bcc.Length() > 0)
+                        Bcc += Comma ;
+                    Bcc.AppendWithConversion ((char *) aMessage->lpRecips[i].lpszAddress) ; 
+                    break ;
+                }
+            }
+        }
+    }
+    
+    // set To, Cc, Bcc
+    aCompFields->SetTo (To.get()) ;
+    aCompFields->SetCc (Cc.get()) ;
+    aCompFields->SetBcc (Bcc.get()) ;
+
+    nsAutoString platformCharSet;
+    // set subject
+    if (aMessage->lpszSubject)
+    {
+        nsAutoString Subject ;
+        if (platformCharSet.IsEmpty())
+            platformCharSet.Assign(nsMsgI18NFileSystemCharset());
+        rv = ConvertToUnicode(platformCharSet, (char *) aMessage->lpszSubject, Subject);
+        if (NS_FAILED(rv)) return rv ;         
+        aCompFields->SetSubject(Subject.get()) ;
+    }
+
+    // handle attachments as File URL
+    rv = HandleAttachments (aCompFields, aMessage->nFileCount, aMessage->lpFiles, PR_FALSE) ;
+    if (NS_FAILED(rv)) return rv ;    
+
+    // set body
+    if (aMessage->lpszNoteText)
+    {
+        nsAutoString Body ;
+        if (platformCharSet.IsEmpty())
+            platformCharSet.Assign(nsMsgI18NFileSystemCharset());
+        rv = ConvertToUnicode(platformCharSet, (char *) aMessage->lpszNoteText, Body);
+        if (NS_FAILED(rv)) return rv ;
+        rv = aCompFields->SetBody(Body.get()) ;
+    }
+
+#ifdef RAJIV_DEBUG
+    // testing what all was set in CompFields
+    printf ("To : %S \n", To.get()) ;
+    printf ("CC : %S \n", Cc.get() ) ;
+    printf ("BCC : %S \n", Bcc.get() ) ;
+#endif
+
+    return rv ;
+}
+
+// this is used to populate the docs as attachments in the Comp fields for Send Documents
+nsresult nsMapiHook::PopulateCompFieldsForSendDocs(nsIMsgCompFields * aCompFields, ULONG aFlags, 
+                            PRUnichar * aDelimChar, PRUnichar * aFilePaths)
+{
+    nsAutoString strDelimChars ;
+    nsString strFilePaths;
+    nsresult rv = NS_OK ;
+
+    if (aFlags & MAPI_UNICODE)
+    {
+        if (aDelimChar)
+            strDelimChars.Assign (aDelimChar) ;
+        if (aFilePaths)
+            strFilePaths.Assign (aFilePaths) ;
+    }
+	else
+    {
+        if (aDelimChar)
+            strDelimChars.AssignWithConversion ((char*) aDelimChar) ;
+        if (aFilePaths)
+            strFilePaths.AssignWithConversion ((char *) aFilePaths) ;
+    }
+
+    // check for comma in filename 
+    if (strDelimChars.Find (",") == kNotFound)  // if comma is not in the delimiter specified by user
+    {
+        if (strFilePaths.Find(",") != kNotFound) // if comma found in filenames return error
+            return NS_ERROR_FILE_INVALID_PATH ;
+    }
+
+    nsCString Attachments ;
+
+    // only 1 file is to be sent, no delim specified
+    if ((!strDelimChars.Length()) && (strFilePaths.Length()>0))
+    {
+        nsCOMPtr <nsILocalFile> pFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv) ;
+        if (NS_FAILED(rv) || (!pFile) ) return rv ;        
+        pFile->InitWithUnicodePath (strFilePaths.get()) ;
+
+        PRBool bExist ;
+        rv = pFile->Exists(&bExist) ;
+        if (NS_FAILED(rv) || (!bExist) ) return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST ;
+
+        nsXPIDLCString pURL ;
+        pFile->GetURL (getter_Copies(pURL)) ;
+        if (pURL)
+            Attachments.Assign(pURL) ;
+
+        // set attachments for comp field and return
+        rv = aCompFields->SetAttachments (Attachments.get());
+        return rv ;
+    }
+
+    // multiple files to be sent, delim specified
+    nsCOMPtr <nsILocalFile> pFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pFile) ) return rv ;        
+    PRInt32 offset = 0 ;
+    PRInt32 FilePathsLen = strFilePaths.Length() ;
+    if (FilePathsLen)
+    {
+        PRUnichar * newFilePaths = (PRUnichar *) strFilePaths.get() ;
+        while (offset != kNotFound)
+        {
+            nsString RemainingPaths ;
+            RemainingPaths.Assign(newFilePaths) ;
+            offset = RemainingPaths.Find (strDelimChars) ;
+            if (offset != kNotFound)
+            {
+                RemainingPaths.SetLength (offset) ;
+                if ((offset + strDelimChars.Length()) < FilePathsLen)
+                    newFilePaths += offset + strDelimChars.Length() ;
+            }
+
+            pFile->InitWithUnicodePath (RemainingPaths.get()) ;
+
+    #ifdef RAJIV_DEBUG
+            printf ("File : %S \n", RemainingPaths.get()) ; 
+    #endif 
+            PRBool bExist ;
+            rv = pFile->Exists(&bExist) ;
+            if (NS_FAILED(rv) || (!bExist) ) return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST ;
+
+            nsXPIDLCString pURL ;
+            pFile->GetURL (getter_Copies(pURL)) ;
+            if (pURL)
+            {
+				if (Attachments.Length() > 0)
+					Attachments.Append(",") ;
+                Attachments.Append(pURL) ;
+            }
+        }
+        rv = aCompFields->SetAttachments (Attachments.get());
+    }
+
+    return rv ;
+}
+
+// this used for Send with UI
+nsresult nsMapiHook::ShowComposerWindow (unsigned long aSession, nsIMsgCompFields * aCompFields) 
+{
+    nsresult rv = NS_OK ;
+
+    // create a send listener to get back the send status
+    nsCOMPtr <nsIMsgSendListener> sendListener ;
+    rv = nsMAPISendListener::CreateMAPISendListener(getter_AddRefs(sendListener)) ; 
+    if (NS_FAILED(rv) || (!sendListener) ) return rv ;
+
+    // create the compose params object 
+    nsCOMPtr<nsIMsgComposeParams> pMsgComposeParams (do_CreateInstance(NS_MSGCOMPOSEPARAMS_CONTRACTID, &rv));
+    if (NS_FAILED(rv) || (!pMsgComposeParams) ) return rv ;
+
+    // populate the compose params
+    pMsgComposeParams->SetType(nsIMsgCompType::New);
+    pMsgComposeParams->SetFormat(nsIMsgCompFormat::Default);
+    pMsgComposeParams->SetComposeFields(aCompFields); 
+    pMsgComposeParams->SetSendListener(sendListener) ;
+
+    /** get the nsIMsgComposeService object to open the compose window **/
+    nsCOMPtr <nsIMsgComposeService> compService = do_GetService (NS_MSGCOMPOSESERVICE_CONTRACTID) ;
+    if (NS_FAILED(rv)|| (!compService) ) return rv ;
+
+    rv = compService->OpenComposeWindowWithParams(nsnull, pMsgComposeParams) ;
+    if (NS_FAILED(rv)) return rv ;
+
+    return rv ;
+}
--- a/mozilla/mailnews/mapi/mapihook/msgMapiHook.h
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiHook.h
@@ -0,0 +1,66 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_HOOK_H_
+#define MSG_MAPI_HOOK_H_
+
+#include "prtypes.h"
+
+class nsMapiHook
+{
+    public :
+
+        static PRBool Initialize();
+        static PRBool DisplayLoginDialog(PRBool aLogin, PRUnichar **aUsername, 
+                        PRUnichar **aPassword);
+        static PRBool VerifyUserName(const PRUnichar *aUsername, char **aIdKey);
+
+        static PRBool IsBlindSendAllowed () ;
+        static nsresult BlindSendMail (unsigned long aSession, nsIMsgCompFields * aCompFields) ;
+        static nsresult ShowComposerWindow (unsigned long aSession, nsIMsgCompFields * aCompFields) ;
+        static nsresult PopulateCompFields(lpnsMapiMessage aMessage, nsIMsgCompFields * aCompFields) ;
+        static nsresult PopulateCompFieldsWithConversion(lpnsMapiMessage aMessage, 
+                                        nsIMsgCompFields * aCompFields) ;
+        static nsresult PopulateCompFieldsForSendDocs(nsIMsgCompFields * aCompFields, 
+                                        ULONG aFlags, LPTSTR aDelimChar, LPTSTR aFilePaths) ;
+        static nsresult HandleAttachments (nsIMsgCompFields * aCompFields, PRInt32 aFileCount, 
+                                        lpnsMapiFileDesc aFiles, BOOL aIsUnicode) ;
+        static void CleanUp();
+
+        static PRBool isMapiService;
+};
+
+#endif  // MSG_MAPI_HOOK_H_
--- a/mozilla/mailnews/mapi/mapihook/msgMapiImp.cpp
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiImp.cpp
@@ -0,0 +1,335 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ * Contributor(s): Rajiv Dayal (rdayal@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <mapidefs.h>
+#include <mapi.h>
+#include "msgMapi.h"
+#include "msgMapiImp.h"
+#include "msgMapiFactory.h"
+#include "msgMapiMain.h"
+
+#include "nsMsgCompFields.h"
+#include "msgMapiHook.h"
+#include "nsString.h"
+#include "nsCOMPtr.h"
+#include "nsISupports.h"
+#include "nsMsgCompCID.h"
+#include "nsMsgComposeStringBundle.h"
+
+
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5, {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+
+nsMapiImp::nsMapiImp()
+: m_cRef(1)
+{
+    m_Lock = PR_NewLock();
+}
+
+nsMapiImp::~nsMapiImp() 
+{ 
+    if (m_Lock)
+        PR_DestroyLock(m_Lock);
+}
+
+STDMETHODIMP nsMapiImp::QueryInterface(const IID& aIid, void** aPpv)
+{    
+    if (aIid == IID_IUnknown)
+    {
+        *aPpv = static_cast<nsIMapi*>(this); 
+    }
+    else if (aIid == IID_nsIMapi)
+    {
+        *aPpv = static_cast<nsIMapi*>(this);
+    }
+    else
+    {
+        *aPpv = nsnull;
+        return E_NOINTERFACE;
+    }
+
+    reinterpret_cast<IUnknown*>(*aPpv)->AddRef();
+    return S_OK;
+}
+
+STDMETHODIMP_(ULONG) nsMapiImp::AddRef()
+{
+    return PR_AtomicIncrement(&m_cRef);
+}
+
+STDMETHODIMP_(ULONG) nsMapiImp::Release() 
+{
+    PRInt32 temp;
+    temp = PR_AtomicDecrement(&m_cRef);
+    if (m_cRef == 0)
+    {
+        delete this;
+        return 0;
+    }
+
+    return temp;
+}
+
+STDMETHODIMP nsMapiImp::IsValid()
+{
+    return S_OK;
+}
+
+STDMETHODIMP nsMapiImp::IsValidSession(unsigned long aSession)
+{
+    nsMAPIConfiguration *pConfig = nsMAPIConfiguration::GetMAPIConfiguration();
+    if (pConfig && pConfig->IsSessionValid(aSession))
+        return S_OK;
+
+    return E_FAIL;
+}
+
+STDMETHODIMP nsMapiImp::Initialize()
+{
+    HRESULT hr = E_FAIL;
+
+    if (!m_Lock)
+        return E_FAIL;
+
+    PR_Lock(m_Lock);
+
+    // Initialize MAPI Configuration
+
+    nsMAPIConfiguration *pConfig = nsMAPIConfiguration::GetMAPIConfiguration();
+    if (pConfig != nsnull)
+        if (nsMapiHook::Initialize())
+            hr = S_OK;
+
+    PR_Unlock(m_Lock);
+
+    return hr;
+}
+
+STDMETHODIMP nsMapiImp::Login(unsigned long aUIArg, LOGIN_PW_TYPE aLogin, LOGIN_PW_TYPE aPassWord,
+                unsigned long aFlags, unsigned long *aSessionId)
+{
+    HRESULT hr = E_FAIL;
+    PRBool bNewSession = PR_FALSE;
+    char *id_key = nsnull;
+
+    if (aFlags & MAPI_NEW_SESSION)
+        bNewSession = PR_TRUE;
+
+    // Check For Profile Name
+
+    if (aLogin != nsnull && aLogin[0] != '\0')
+    {
+        if (nsMapiHook::VerifyUserName(aLogin, &id_key) == PR_FALSE)
+    {
+        *aSessionId = MAPI_E_LOGIN_FAILURE;
+        return hr;
+    }
+    }
+
+    // finally register(create) the session.
+
+    PRUint32 nSession_Id;
+    PRInt16 nResult = 0;
+
+    nsMAPIConfiguration *pConfig = nsMAPIConfiguration::GetMAPIConfiguration();
+    if (pConfig != nsnull)
+        nResult = pConfig->RegisterSession(aUIArg, aLogin, aPassWord,
+                                           (aFlags & MAPI_FORCE_DOWNLOAD), bNewSession,
+                                           &nSession_Id, id_key);
+
+    switch (nResult)
+    {
+        case -1 :
+        {
+            *aSessionId = MAPI_E_TOO_MANY_SESSIONS;
+            return hr;
+        }
+        case 0 :
+        {
+            *aSessionId = MAPI_E_INSUFFICIENT_MEMORY;
+            return hr;
+        }
+        default :
+        {
+            *aSessionId = nSession_Id;
+            break;
+        }
+    }
+
+    return S_OK;
+}
+
+STDMETHODIMP nsMapiImp::SendMail( unsigned long aSession, lpnsMapiMessage aMessage,
+     short aRecipCount, lpnsMapiRecipDesc aRecips , short aFileCount, lpnsMapiFileDesc aFiles , 
+     unsigned long aFlags, unsigned long aReserved)
+{
+    HRESULT hr = SUCCESS_SUCCESS ;
+
+    // Assign the pointers in the aMessage struct to the array of Recips and Files
+    // recieved here from MS COM. These are used in BlindSendMail and ShowCompWin fns 
+    aMessage->lpRecips = aRecips ;
+    aMessage->lpFiles = aFiles ;
+
+    nsresult rv ;
+
+    /** create nsIMsgCompFields obj and populate it **/
+    nsCOMPtr<nsIMsgCompFields> pCompFields = do_CreateInstance(NS_MSGCOMPFIELDS_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pCompFields) ) return MAPI_E_INSUFFICIENT_MEMORY ;
+
+    if (aFlags & MAPI_UNICODE)
+        rv = nsMapiHook::PopulateCompFields(aMessage, pCompFields) ;
+    else
+        rv = nsMapiHook::PopulateCompFieldsWithConversion(aMessage, pCompFields) ;
+    
+    if (NS_SUCCEEDED (rv))
+    {
+        // see flag to see if UI needs to be brought up
+        if (!(aFlags & MAPI_DIALOG))
+        {
+            rv = nsMapiHook::BlindSendMail(aSession, pCompFields);
+        }
+        else
+        {
+            rv = nsMapiHook::ShowComposerWindow(aSession, pCompFields);
+        }
+    }
+
+    // return success
+    if (NS_SUCCEEDED (rv)) return hr ;
+    // if failure return the related MAPI failure code
+    switch (rv)
+    {
+        case NS_MSG_NO_RECIPIENTS :
+            hr = MAPI_E_BAD_RECIPTYPE ;
+            break ;
+        case NS_ERROR_COULD_NOT_GET_USERS_MAIL_ADDRESS :
+            hr = MAPI_E_INVALID_RECIPS ; 
+            break ;
+        case NS_ERROR_COULD_NOT_LOGIN_TO_SMTP_SERVER :
+            hr = MAPI_E_LOGIN_FAILURE ;
+            break ;
+        case NS_MSG_UNABLE_TO_OPEN_FILE :                 
+        case NS_MSG_UNABLE_TO_OPEN_TMP_FILE :
+        case NS_MSG_COULDNT_OPEN_FCC_FOLDER :
+        case NS_ERROR_FILE_INVALID_PATH :
+            hr = MAPI_E_ATTACHMENT_OPEN_FAILURE ;
+            break ;
+        case NS_ERROR_FILE_TARGET_DOES_NOT_EXIST :
+            hr = MAPI_E_ATTACHMENT_NOT_FOUND ;
+            break ;
+        case NS_MSG_CANCELLING :
+            hr = MAPI_E_USER_ABORT ;
+            break ;
+        case NS_MSG_ERROR_WRITING_FILE :
+        case NS_MSG_UNABLE_TO_SAVE_TEMPLATE :
+        case NS_MSG_UNABLE_TO_SAVE_DRAFT :
+            hr = MAPI_E_ATTACHMENT_WRITE_FAILURE ;
+            break ;
+        default :
+            hr = MAPI_E_FAILURE ;
+            break ;
+    }
+    
+    return hr ;
+}
+
+
+STDMETHODIMP nsMapiImp::SendDocuments( unsigned long aSession, LPTSTR aDelimChar,
+                            LPTSTR aFilePaths, LPTSTR aFileNames, ULONG aFlags)
+{
+    HRESULT hr = SUCCESS_SUCCESS ;
+    nsresult rv = NS_OK ;
+
+    /** create nsIMsgCompFields obj and populate it **/
+    nsCOMPtr<nsIMsgCompFields> pCompFields = do_CreateInstance(NS_MSGCOMPFIELDS_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pCompFields) ) return MAPI_E_INSUFFICIENT_MEMORY ;
+
+    if (aFilePaths)
+    {
+        rv = nsMapiHook::PopulateCompFieldsForSendDocs(pCompFields, aFlags, aDelimChar, aFilePaths) ;
+    }
+
+    if (NS_SUCCEEDED (rv)) 
+        rv = nsMapiHook::ShowComposerWindow(aSession, pCompFields);
+
+    // return success
+    if (NS_SUCCEEDED (rv)) return hr ;
+    // if failure return the related MAPI failure code
+    switch (rv)
+    {
+        case NS_ERROR_COULD_NOT_LOGIN_TO_SMTP_SERVER :
+            hr = MAPI_E_LOGIN_FAILURE ;
+            break ;
+        case NS_MSG_UNABLE_TO_OPEN_FILE :                 
+        case NS_MSG_UNABLE_TO_OPEN_TMP_FILE :
+        case NS_MSG_COULDNT_OPEN_FCC_FOLDER :
+        case NS_ERROR_FILE_INVALID_PATH :
+            hr = MAPI_E_ATTACHMENT_OPEN_FAILURE ;
+            break ;
+        case NS_ERROR_FILE_TARGET_DOES_NOT_EXIST :
+            hr = MAPI_E_ATTACHMENT_NOT_FOUND ;
+            break ;
+        case NS_MSG_CANCELLING :
+            hr = MAPI_E_USER_ABORT ;
+            break ;
+        case NS_MSG_ERROR_WRITING_FILE :
+        case NS_MSG_UNABLE_TO_SAVE_TEMPLATE :
+        case NS_MSG_UNABLE_TO_SAVE_DRAFT :
+            hr = MAPI_E_ATTACHMENT_WRITE_FAILURE ;
+            break ;
+        default :
+            hr = MAPI_E_FAILURE ;
+            break ;
+    }
+
+    return hr ;
+}
+
+STDMETHODIMP nsMapiImp::Logoff (unsigned long aSession)
+{
+    nsMAPIConfiguration *pConfig = nsMAPIConfiguration::GetMAPIConfiguration();
+
+    if (pConfig->UnRegisterSession((PRUint32)aSession))
+        return S_OK;
+
+    return E_FAIL;
+}
+
+STDMETHODIMP nsMapiImp::CleanUp()
+{
+    nsMapiHook::CleanUp();
+    return S_OK;
+}
--- a/mozilla/mailnews/mapi/mapihook/msgMapiImp.h
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiImp.h
@@ -0,0 +1,87 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_IMP_H
+#define MSG_MAPI_IMP_H
+
+#include <windows.h>
+#include <mapi.h>
+#include "msgMapi.h"
+#include "nsXPIDLString.h"
+#include "nspr.h"
+
+class nsMapiImp : public nsIMapi
+{
+
+public :
+
+    // IUnknown
+
+    STDMETHODIMP            QueryInterface(const IID& aIid, void** aPpv);
+    STDMETHODIMP_(ULONG)    AddRef();
+    STDMETHODIMP_(ULONG)    Release();
+
+    // Interface INsMapi
+
+    STDMETHODIMP Login(unsigned long aUIArg, LOGIN_PW_TYPE aLogin, 
+                       LOGIN_PW_TYPE aPassWord, unsigned long aFlags,
+                       unsigned long *aSessionId);
+
+    STDMETHODIMP SendMail( unsigned long aSession, lpnsMapiMessage aMessage,
+         short aRecipCount, lpnsMapiRecipDesc aRecips , 
+         short aFileCount, lpnsMapiFileDesc aFiles , 
+         unsigned long aFlags, unsigned long aReserved) ;
+
+    STDMETHODIMP SendDocuments( unsigned long aSession, LPTSTR aDelimChar,
+                                LPTSTR aFilePaths, LPTSTR aFileNames, ULONG aFlags);
+
+    STDMETHODIMP Initialize();
+    STDMETHODIMP IsValid();
+    STDMETHODIMP IsValidSession(unsigned long aSession);
+
+    STDMETHODIMP Logoff (unsigned long aSession);
+    STDMETHODIMP CleanUp();
+
+    nsMapiImp();
+    ~nsMapiImp();
+
+private :
+
+    PRLock *m_Lock;
+    PRInt32 m_cRef;
+};
+
+#endif // MSG_MAPI_IMP_H
--- a/mozilla/mailnews/mapi/mapihook/msgMapiMain.cpp
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiMain.cpp
@@ -0,0 +1,340 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "msgMapiMain.h"
+#include "nsIServiceManager.h"
+#include "nsCOMPtr.h"
+
+// move to xpcom bug 81956.
+class nsPRUintKey : public nsHashKey {
+protected:
+    PRUint32 mKey;
+public:
+    nsPRUintKey(PRUint32 key) : mKey(key) {}
+
+    PRUint32 HashCode(void) const {
+        return mKey;
+    }
+
+    PRBool Equals(const nsHashKey *aKey) const {
+        return mKey == ((const nsPRUintKey *) aKey)->mKey;
+    }
+    nsHashKey *Clone() const {
+        return new nsPRUintKey(mKey);
+    }
+    PRUint32 GetValue() { return mKey; }
+};
+//
+
+
+nsMAPIConfiguration *nsMAPIConfiguration::m_pSelfRef = nsnull;
+PRUint32 nsMAPIConfiguration::session_generator = 0;
+PRUint32 nsMAPIConfiguration::sessionCount = 0;
+
+nsMAPIConfiguration *nsMAPIConfiguration::GetMAPIConfiguration()
+{
+    if (m_pSelfRef == nsnull)
+        m_pSelfRef = new nsMAPIConfiguration();
+
+    return m_pSelfRef;
+}
+
+nsMAPIConfiguration::nsMAPIConfiguration()
+: m_nMaxSessions(MAX_SESSIONS),
+  m_ProfileMap(nsnull),
+  m_SessionMap(nsnull)
+{
+    m_Lock = PR_NewLock();
+    m_ProfileMap = new nsHashtable();
+    m_SessionMap = new nsHashtable();
+    NS_ASSERTION(m_SessionMap && m_ProfileMap, "hashtables not created");
+}
+
+static PRBool
+FreeSessionMapEntries(nsHashKey *aKey, void *aData, void* aClosure)
+{
+    nsMAPISession *pTemp = (nsMAPISession*) aData;
+    delete pTemp;
+    pTemp = nsnull;
+    return PR_TRUE;
+}
+
+static PRBool
+FreeProfileMapEntries(nsHashKey *aKey, void *aData, void* aClosure)
+{
+    return PR_TRUE;
+}
+
+nsMAPIConfiguration::~nsMAPIConfiguration()
+{
+    if (m_Lock)
+        PR_DestroyLock(m_Lock);
+
+    if (m_SessionMap)
+    {
+        m_SessionMap->Reset(FreeSessionMapEntries);
+        delete m_SessionMap;
+        m_SessionMap = nsnull;
+    }
+
+    if (m_ProfileMap)
+    {
+        m_ProfileMap->Reset(FreeProfileMapEntries);
+        delete m_ProfileMap;
+        m_ProfileMap = nsnull;
+    }
+}
+
+void nsMAPIConfiguration::OpenConfiguration()
+{
+    // No. of max. sessions is set to MAX_SESSIONS.  In future
+    // if it is decided to have configuration (registry)
+    // parameter, this function can be used to set the
+    // max sessions;
+
+    return;
+}
+
+PRInt16 nsMAPIConfiguration::RegisterSession(PRUint32 aHwnd,
+                const PRUnichar *aUserName, const PRUnichar *aPassword,
+                PRBool aForceDownLoad, PRBool aNewSession,
+                PRUint32 *aSession, char *aIdKey)
+{
+    PRInt16 nResult = 0;
+    PRUint32 n_SessionId = 0;
+
+    PR_Lock(m_Lock);
+
+    // Check whether max sessions is exceeded
+
+    if (sessionCount >= m_nMaxSessions)
+    {
+        PR_Unlock(m_Lock);
+        return -1;
+    }
+
+    if (aUserName != nsnull && aUserName[0] != '\0')
+    {
+    nsStringKey usernameKey(aUserName);
+    n_SessionId = (PRUint32) m_ProfileMap->Get(&usernameKey);
+    }
+
+    // try to share a session; if not create a session
+
+    if (n_SessionId > 0)
+    {
+        nsPRUintKey sessionKey(n_SessionId);
+        nsMAPISession *pTemp = (nsMAPISession *)m_SessionMap->Get(&sessionKey);
+        if (pTemp != nsnull)
+        {
+            pTemp->IncrementSession();
+            *aSession = n_SessionId;
+            nResult = 1;
+        }
+    }
+    else if (aNewSession || n_SessionId == 0) // checking for n_SessionId is a concession
+    {
+        // create a new session ; if new session is specified OR there is no session
+        nsMAPISession *pTemp = nsnull;
+        pTemp = new nsMAPISession(aHwnd, aUserName,
+                               aPassword, aForceDownLoad, aIdKey);
+
+        if (pTemp != nsnull)
+        {
+            session_generator++;
+
+            // I don't think there will be (2 power 32) sessions alive
+            // in a cycle.  This is an assumption
+
+            if (session_generator == 0)
+                session_generator++;
+
+            nsPRUintKey sessionKey(session_generator);
+            m_SessionMap->Put(&sessionKey, pTemp);
+            if (aUserName != nsnull && aUserName[0] != '\0')
+            {
+                nsStringKey usernameKey(aUserName);
+            m_ProfileMap->Put(&usernameKey, (void*)session_generator);
+            }
+
+            *aSession = session_generator;
+            sessionCount++;
+            nResult = 1;
+        }
+    }
+
+    PR_Unlock(m_Lock);
+    return nResult;
+}
+
+PRBool nsMAPIConfiguration::UnRegisterSession(PRUint32 aSessionID)
+{
+    PRBool bResult = PR_FALSE;
+
+    PR_Lock(m_Lock);
+
+    if (aSessionID != 0)
+    {
+        nsPRUintKey sessionKey(aSessionID);
+        nsMAPISession *pTemp = (nsMAPISession *)m_SessionMap->Get(&sessionKey);
+
+        if (pTemp != nsnull)
+        {
+            if (pTemp->DecrementSession() == 0)
+            {
+                if (pTemp->m_pProfileName.get() != nsnull)
+                {
+                nsStringKey stringKey(pTemp->m_pProfileName.get());
+                m_ProfileMap->Remove(&stringKey);
+                }
+                m_SessionMap->Remove(&sessionKey);
+                sessionCount--;
+                bResult = PR_TRUE;
+            }
+        }
+    }
+
+    PR_Unlock(m_Lock);
+    return bResult;
+}
+
+PRBool nsMAPIConfiguration::IsSessionValid(PRUint32 aSessionID)
+{
+    if (aSessionID == 0)
+        return PR_FALSE;
+
+    PRBool retValue = PR_FALSE;
+    nsPRUintKey sessionKey(aSessionID);
+
+    PR_Lock(m_Lock);
+
+    retValue = m_SessionMap->Exists(&sessionKey);
+        
+    PR_Unlock(m_Lock);
+
+    return retValue;
+}
+
+
+PRUnichar *nsMAPIConfiguration::GetPassWord(PRUint32 aSessionID)
+{
+    PRUnichar *pResult = nsnull;
+
+    PR_Lock(m_Lock);
+
+    if (aSessionID != 0)
+    {
+        nsPRUintKey sessionKey(aSessionID);
+        nsMAPISession *pTemp = (nsMAPISession *)m_SessionMap->Get(&sessionKey);
+
+        if (pTemp)
+        {
+            pResult = pTemp->GetPassWord();
+        }
+    }
+
+    PR_Unlock(m_Lock);
+
+    return pResult;
+}
+
+char *nsMAPIConfiguration::GetIdKey(PRUint32 aSessionID)
+{
+    char *pResult = nsnull;
+
+    PR_Lock(m_Lock);
+
+    if (aSessionID != 0)
+    {
+        nsPRUintKey sessionKey(aSessionID);
+        nsMAPISession *pTemp = (nsMAPISession *)m_SessionMap->Get(&sessionKey);
+        if (pTemp)
+        {
+           pResult = pTemp->GetIdKey();
+        }
+    }
+
+    PR_Unlock(m_Lock);
+    return pResult;
+}
+
+
+
+nsMAPISession::nsMAPISession(PRUint32 aHwnd, const PRUnichar *aUserName,\
+                             const PRUnichar *aPassword, \
+                             PRBool aForceDownLoad, char *aKey)
+: m_bIsForcedDownLoad(aForceDownLoad),
+  m_hAppHandle(aHwnd),
+  m_nShared(1),
+  m_pIdKey(aKey)
+{
+    m_pProfileName.Assign(aUserName);
+    m_pPassword.Assign(aPassword);
+}
+
+nsMAPISession::~nsMAPISession()
+{
+    if (m_pIdKey != nsnull)
+    {
+        delete [] m_pIdKey;
+        m_pIdKey = nsnull;
+    }
+}
+
+PRUint32 nsMAPISession::IncrementSession()
+{
+    return ++m_nShared;
+}
+
+PRUint32 nsMAPISession::DecrementSession()
+{
+    return --m_nShared;
+}
+
+PRUint32 nsMAPISession::GetSessionCount()
+{
+    return m_nShared;
+}
+
+PRUnichar *nsMAPISession::GetPassWord()
+{
+    return (PRUnichar *)m_pPassword.get();
+}
+
+char *nsMAPISession::GetIdKey()
+{
+    return m_pIdKey;
+}
--- a/mozilla/mailnews/mapi/mapihook/msgMapiMain.h
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiMain.h
@@ -0,0 +1,104 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_MAIN_H_
+#define NSG_MAPI_MAIN_H_
+
+#define        MAX_NAME_LEN    256
+#define        MAX_PW_LEN      256
+#define        MAX_SESSIONS    50
+
+#include "nsXPIDLString.h"
+#include "nspr.h"
+#include "nsString.h"
+#include "nsHashtable.h"
+
+class nsMAPIConfiguration
+{
+private :
+
+    static PRUint32 session_generator;
+    static PRUint32 sessionCount;
+    static nsMAPIConfiguration *m_pSelfRef;
+    PRLock *m_Lock;
+    PRUint32  m_nMaxSessions;
+
+
+    nsHashtable *m_ProfileMap;
+    nsHashtable *m_SessionMap;
+    nsMAPIConfiguration();
+
+public :
+    static nsMAPIConfiguration *GetMAPIConfiguration();
+    void OpenConfiguration();
+    PRInt16 RegisterSession(PRUint32 aHwnd, const PRUnichar *aUserName, \
+                            const PRUnichar *aPassword, PRBool aForceDownLoad, \
+                            PRBool aNewSession, PRUint32 *aSession, char *aIdKey);
+    PRBool IsSessionValid(PRUint32 aSessionID);
+    PRBool UnRegisterSession(PRUint32 aSessionID);
+    PRUnichar *GetPassWord(PRUint32 aSessionID);
+    char *GetIdKey(PRUint32 aSessionID);
+    ~nsMAPIConfiguration();
+};
+
+class nsMAPISession
+{
+    friend class nsMAPIConfiguration;
+
+    private :
+
+        PRBool   m_bIsForcedDownLoad;
+        PRBool   m_bApp_or_Service;
+        PRUint32 m_hAppHandle;
+        PRUint32 m_nShared;
+        char     *m_pIdKey;
+        nsString m_pProfileName;
+        nsString m_pPassword;
+
+    public :
+
+        nsMAPISession(PRUint32 aHwnd, const PRUnichar *aUserName, \
+                      const PRUnichar *aPassword, \
+                      PRBool aForceDownLoad, char *aKey);
+        PRUint32 IncrementSession();
+        PRUint32 DecrementSession();
+        PRUint32 GetSessionCount();
+        PRUnichar *nsMAPISession::GetPassWord();
+        char *nsMAPISession::GetIdKey();
+        ~nsMAPISession();
+};
+
+#endif    // MSG_MAPI_MAIN_H_
--- a/mozilla/mailnews/mapi/mapihook/msgMapiSupport.cpp
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiSupport.cpp
@@ -0,0 +1,146 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "msgMapiSupport.h"
+#include "nsISupports.h"
+
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5, \
+                              {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+
+PRBool WINAPI DllMain(HINSTANCE aInstance, DWORD aReason, LPVOID aReserved)
+{
+    switch (aReason)
+    {
+        case DLL_PROCESS_ATTACH :
+        {
+            // Initialize MAPI Support
+
+            nsMapiSupport *pTemp = nsMapiSupport::GetNsMapiSupport();
+            break;
+        }
+        case DLL_PROCESS_DETACH :
+        {
+            nsMapiSupport *pTemp = nsMapiSupport::GetNsMapiSupport();
+            pTemp->UnInitMSCom();
+            delete pTemp;
+            pTemp = nsnull;
+        }
+    }
+
+    return PR_TRUE;
+}
+
+extern "C"
+{
+    void __declspec(dllexport) Init()
+    {
+        nsMapiSupport *pTemp = nsMapiSupport::GetNsMapiSupport();
+        if (pTemp != nsnull)
+            pTemp->InitMSCom();
+    }
+}
+
+nsMapiSupport* nsMapiSupport::m_pSelfRef = nsnull;
+
+nsMapiSupport *nsMapiSupport::GetNsMapiSupport()
+{
+    if (m_pSelfRef == nsnull)
+        m_pSelfRef = new nsMapiSupport();
+
+    return m_pSelfRef;
+}
+
+nsMapiSupport::nsMapiSupport()
+: m_dwRegister(0),
+  m_nsMapiFactory(nsnull)
+{
+}
+
+nsMapiSupport::~nsMapiSupport()
+{
+}
+
+PRBool nsMapiSupport::RegsiterComponents()
+{
+    if (m_nsMapiFactory == nsnull)    // No Registering if already done.  Sanity Check!!
+    {
+        m_nsMapiFactory = new nsMapiFactory();
+
+        if (m_nsMapiFactory != nsnull)
+        {
+            HRESULT hr = ::CoRegisterClassObject(CLSID_nsMapiImp, \
+                                                 m_nsMapiFactory, \
+                                                 CLSCTX_LOCAL_SERVER, \
+                                                 REGCLS_MULTIPLEUSE, \
+                                                 &m_dwRegister);
+
+            if (FAILED(hr))
+            {
+                m_nsMapiFactory->Release() ;
+                m_nsMapiFactory = nsnull;
+                return PR_FALSE;
+            }
+        }
+    }
+
+    return PR_TRUE;
+}
+
+PRBool nsMapiSupport::UnRegisterComponents()
+{
+    if (m_dwRegister != 0)
+        ::CoRevokeClassObject(m_dwRegister);
+
+    if (m_nsMapiFactory != nsnull)
+    {
+        m_nsMapiFactory->Release();
+        m_nsMapiFactory = nsnull;
+    }
+
+    return PR_TRUE;
+}
+
+void nsMapiSupport::InitMSCom()
+{
+    ::CoInitialize(nsnull);
+    RegsiterComponents();
+}
+
+void nsMapiSupport::UnInitMSCom()
+{
+    UnRegisterComponents();
+    ::CoUninitialize();
+}
--- a/mozilla/mailnews/mapi/mapihook/msgMapiSupport.h
+++ b/mozilla/mailnews/mapi/mapihook/msgMapiSupport.h
@@ -0,0 +1,64 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is 
+ # Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_SUPPORT_H_
+#define MSG_MAPI_SUPPORT_H_
+
+#include "msgMapiFactory.h"
+#include "prtypes.h"
+
+class __declspec(dllexport) nsMapiSupport
+{
+    private :
+
+        DWORD   m_dwRegister;
+        static nsMapiSupport *m_pSelfRef;
+        nsMapiFactory *m_nsMapiFactory;
+
+        nsMapiSupport();
+
+    public :
+
+        static nsMapiSupport *GetNsMapiSupport();
+        ~nsMapiSupport();
+
+        PRBool RegsiterComponents();
+        void UnInitMSCom();
+        void InitMSCom();
+        PRBool UnRegisterComponents();
+};
+
+#endif  // MSG_MAPI_SUPPORT_H_
--- a/mozilla/mailnews/mapi/mapihook/public/makefile.win
+++ b/mozilla/mailnews/mapi/mapihook/public/makefile.win
@@ -0,0 +1,48 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+# Srilatha Moturi <srilatha@netscape.com>
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+DEPTH=..\..\..\..
+
+MODULE=nsMapiRegistry
+XPIDL_MODULE=mapiregistry
+
+XPIDLSRCS =	\
+           .\nsIMapiRegistry.idl \
+            $(NULL)
+
+include <$(DEPTH)\config\rules.mak>
+
--- a/mozilla/mailnews/mapi/mapihook/public/nsIMapiRegistry.idl
+++ b/mozilla/mailnews/mapi/mapihook/public/nsIMapiRegistry.idl
@@ -0,0 +1,78 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsISupports.idl"
+
+interface nsIDOMWindow;
+
+/**
+ * This interface provides support for registering Mozilla as the default
+ * Mail Client. This interface can also be used to get/set the user preference
+ * for the default Mail Client.
+ * 
+ */
+[scriptable, uuid(c5be14ba-4e0a-4eec-a1b8-04363761d63c)]
+interface nsIMapiRegistry: nsISupports {
+
+   /** This is set to TRUE if Mozilla is the default Application
+    */
+   readonly attribute boolean isDefaultMailClient;
+
+   /** This is set TRUE only once per session.
+    */
+   readonly attribute boolean showDialog;
+
+   /** This will update the registry keys to set Mozilla as default Mail Client.
+    */
+   void setDefaultMailClient();
+
+   /** This will reset the registry keys for the default Mail Client.
+    */
+   void unsetDefaultMailClient();
+
+   /** This will bring the dialog asking the user if he/she wants to set
+    * Mozilla as default Mail Client.
+    * Call this only if Mozilla is not the default Mail client
+    */
+   void showMailIntegrationDialog(in nsIDOMWindow parentWindow);
+   
+};
+
+%{C++
+#define NS_IMAPIWINHOOK_CONTRACTID    "@mozilla.org/mapiregistry;1"
+#define NS_IMAPIWINHOOK_CLASSNAME "Mozilla MAPI Registry"
+%}
--- a/mozilla/mailnews/mapi/mapihook/src/Registry.cpp
+++ b/mozilla/mailnews/mapi/mapihook/src/Registry.cpp
@@ -0,0 +1,321 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika <kkhandrika@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <objbase.h>
+#include <assert.h>
+#include "nsString.h"
+#include "Registry.h"
+
+#define MAPI_PROXY_DLL_NAME   "MapiProxy.dll"
+#define MAPI_STARTUP_ARG      " /MAPIStartUp"
+#define MAX_SIZE              2048
+
+// Size of a CLSID as a string
+const int CLSID_STRING_SIZE = 39;
+
+// Proxy/Stub Dll Routines
+
+typedef HRESULT (__stdcall ProxyServer)();
+
+
+// Convert a CLSID to a char string.
+
+BOOL CLSIDtochar(const CLSID& clsid, char* szCLSID,
+                 int length)
+{
+    LPOLESTR wszCLSID = NULL;
+
+    // Get CLSID
+    HRESULT hr = StringFromCLSID(clsid, &wszCLSID);
+    if (FAILED(hr))
+        return FALSE;
+
+    // Covert from wide characters to non-wide.
+    wcstombs(szCLSID, wszCLSID, length);
+
+    // Free memory.
+    CoTaskMemFree(wszCLSID);
+
+    return TRUE;
+}
+
+// Create a key and set its value.
+
+BOOL setKeyAndValue(nsCAutoString keyName, const char* subKey,
+                    const char* theValue)
+{
+    HKEY hKey;
+    BOOL retValue = TRUE;
+
+    nsCAutoString theKey(keyName);
+    if (subKey != NULL)
+    {
+        theKey += "\\";
+        theKey += subKey;
+    }
+
+    // Create and open key and subkey.
+    long lResult = RegCreateKeyEx(HKEY_CLASSES_ROOT, theKey.get(), 
+                                  0, NULL, REG_OPTION_NON_VOLATILE,
+                                  KEY_ALL_ACCESS, NULL, &hKey, NULL);
+    if (lResult != ERROR_SUCCESS)
+        return FALSE ;
+
+    // Set the Value.
+    if (theValue != NULL)
+    {
+       lResult = RegSetValueEx(hKey, NULL, 0, REG_SZ, (BYTE *)theValue, 
+                      strlen(theValue)+1);
+       if (lResult != ERROR_SUCCESS)
+           retValue = FALSE;
+    }
+
+    RegCloseKey(hKey);
+    return TRUE;
+}
+
+// Delete a key and all of its descendents.
+
+LONG recursiveDeleteKey(HKEY hKeyParent,           // Parent of key to delete
+                        const char* lpszKeyChild)  // Key to delete
+{
+    // Open the child.
+    HKEY hKeyChild ;
+    LONG lRes = RegOpenKeyEx(hKeyParent, lpszKeyChild, 0,
+                             KEY_ALL_ACCESS, &hKeyChild) ;
+    if (lRes != ERROR_SUCCESS)
+    {
+        return lRes ;
+    }
+
+    // Enumerate all of the decendents of this child.
+    FILETIME time ;
+    char szBuffer[MAX_SIZE] ;
+    DWORD dwSize = MAX_SIZE ;
+    while (RegEnumKeyEx(hKeyChild, 0, szBuffer, &dwSize, NULL,
+                        NULL, NULL, &time) == S_OK)
+    {
+        // Delete the decendents of this child.
+        lRes = recursiveDeleteKey(hKeyChild, szBuffer) ;
+        if (lRes != ERROR_SUCCESS)
+        {
+            // Cleanup before exiting.
+            RegCloseKey(hKeyChild) ;
+            return lRes;
+        }
+        dwSize = MAX_SIZE;
+    }
+
+    // Close the child.
+    RegCloseKey(hKeyChild) ;
+
+    // Delete this child.
+    return RegDeleteKey(hKeyParent, lpszKeyChild) ;
+}
+
+void RegisterProxy()
+{
+    HINSTANCE h = NULL;
+    ProxyServer *RegisterFunc = NULL;
+
+    char szModule[MAX_SIZE];
+    char *pTemp = NULL;
+
+    HMODULE hModule = GetModuleHandle(NULL);
+    DWORD dwResult  = ::GetModuleFileName(hModule, szModule,
+                                          sizeof(szModule)/sizeof(char));
+    if (dwResult == 0)
+        return;
+
+    pTemp = strrchr(szModule, '\\');
+    if (pTemp == NULL)
+        return;
+
+    *pTemp = '\0';
+    nsCAutoString proxyPath(szModule);
+
+    proxyPath += "\\";
+    proxyPath += MAPI_PROXY_DLL_NAME;
+
+    h = LoadLibrary(proxyPath.get());
+    if (h == NULL)
+        return;
+
+    RegisterFunc = (ProxyServer *) GetProcAddress(h, "DllRegisterServer");
+    if (RegisterFunc)
+        RegisterFunc();
+
+    FreeLibrary(h);
+}
+
+void UnRegisterProxy()
+{
+    HINSTANCE h = NULL;
+    ProxyServer *UnRegisterFunc = NULL;
+
+    char szModule[MAX_SIZE];
+    char *pTemp = NULL;
+
+    HMODULE hModule = GetModuleHandle(NULL);
+    DWORD dwResult  = ::GetModuleFileName(hModule, szModule,
+                                          sizeof(szModule)/sizeof(char));
+    if (dwResult == 0)
+        return;
+
+    pTemp = strrchr(szModule, '\\');
+    if (pTemp == NULL)
+        return;
+
+    *pTemp = '\0';
+    nsCAutoString proxyPath(szModule);
+
+    proxyPath += "\\";
+    proxyPath += MAPI_PROXY_DLL_NAME;
+
+    h = LoadLibrary(proxyPath.get());
+    if (h == NULL)
+        return;
+
+    UnRegisterFunc = (ProxyServer *) GetProcAddress(h, "DllUnregisterServer");
+    if (UnRegisterFunc)
+        UnRegisterFunc();
+
+    FreeLibrary(h);
+}
+
+// Register the component in the registry.
+
+HRESULT RegisterServer(const CLSID& clsid,         // Class ID
+                       const char* szFriendlyName, // Friendly Name
+                       const char* szVerIndProgID, // Programmatic
+                       const char* szProgID)       //   IDs
+{
+    HMODULE hModule = GetModuleHandle(NULL);
+    char szModuleName[MAX_SIZE];
+    char szCLSID[CLSID_STRING_SIZE];
+
+    nsCAutoString independentProgId(szVerIndProgID);
+    nsCAutoString progId(szProgID);
+
+    DWORD dwResult = ::GetModuleFileName(hModule, szModuleName,
+                              sizeof(szModuleName)/sizeof(char));
+
+    if (dwResult == 0)
+        return S_FALSE;
+
+    nsCAutoString moduleName(szModuleName);
+    nsCAutoString registryKey("CLSID\\");
+
+    moduleName += MAPI_STARTUP_ARG;
+
+    // Convert the CLSID into a char.
+
+    if (!CLSIDtochar(clsid, szCLSID, sizeof(szCLSID)))
+        return S_FALSE;
+    registryKey += szCLSID;
+
+    // Add the CLSID to the registry.
+    if (!setKeyAndValue(registryKey, NULL, szFriendlyName))
+        return S_FALSE;
+
+    if (!setKeyAndValue(registryKey, "LocalServer32", moduleName.get()))
+        return S_FALSE;
+
+    // Add the ProgID subkey under the CLSID key.
+    if (!setKeyAndValue(registryKey, "ProgID", szProgID))
+        return S_FALSE;
+
+    // Add the version-independent ProgID subkey under CLSID key.
+    if (!setKeyAndValue(registryKey, "VersionIndependentProgID", szVerIndProgID))
+        return S_FALSE;
+
+    // Add the version-independent ProgID subkey under HKEY_CLASSES_ROOT.
+    if (!setKeyAndValue(independentProgId, NULL, szFriendlyName))
+        return S_FALSE; 
+    if (!setKeyAndValue(independentProgId, "CLSID", szCLSID))
+        return S_FALSE;
+    if (!setKeyAndValue(independentProgId, "CurVer", szProgID))
+        return S_FALSE;
+
+    // Add the versioned ProgID subkey under HKEY_CLASSES_ROOT.
+    if (!setKeyAndValue(progId, NULL, szFriendlyName))
+        return S_FALSE; 
+    if (!setKeyAndValue(progId, "CLSID", szCLSID))
+        return S_FALSE;
+
+    RegisterProxy();
+
+    return S_OK;
+}
+
+LONG UnregisterServer(const CLSID& clsid,         // Class ID
+                      const char* szVerIndProgID, // Programmatic
+                      const char* szProgID)       //   IDs
+{
+    LONG lResult = S_OK;
+
+    // Convert the CLSID into a char.
+
+    char szCLSID[CLSID_STRING_SIZE];
+    if (!CLSIDtochar(clsid, szCLSID, sizeof(szCLSID)))
+        return S_FALSE;
+
+    UnRegisterProxy();
+
+    nsCAutoString registryKey("CLSID\\");
+    registryKey += szCLSID;
+
+    lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, registryKey.get());
+    if (lResult == ERROR_SUCCESS || lResult == ERROR_FILE_NOT_FOUND)
+        return lResult;
+
+    registryKey += "\\LocalServer32";
+
+    // Delete only the path for this server.
+
+    lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, registryKey.get());
+    if (lResult != ERROR_SUCCESS && lResult != ERROR_FILE_NOT_FOUND)
+        return lResult;
+
+    // Delete the version-independent ProgID Key.
+    lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, szVerIndProgID);
+    if (lResult != ERROR_SUCCESS && lResult != ERROR_FILE_NOT_FOUND)
+        return lResult;
+
+    lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, szProgID);
+
+    return lResult;
+}
--- a/mozilla/mailnews/mapi/mapihook/src/Registry.h
+++ b/mozilla/mailnews/mapi/mapihook/src/Registry.h
@@ -0,0 +1,57 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Krishna Mohan Khandrika <kkhandrika@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef _REGISTRY_H_
+#define _REGISTRY_H_
+
+#include <objbase.h>
+#include <assert.h>
+
+// This function will register a component in the Registry.
+
+HRESULT RegisterServer(const CLSID& clsid, 
+                       const char* szFriendlyName,
+                       const char* szVerIndProgID,
+                       const char* szProgID) ;
+
+// This function will unregister a component.
+
+HRESULT UnregisterServer(const CLSID& clsid,
+                         const char* szVerIndProgID,
+                         const char* szProgID) ;
+
+#endif
--- a/mozilla/mailnews/mapi/mapihook/src/makefile.win
+++ b/mozilla/mailnews/mapi/mapihook/src/makefile.win
@@ -0,0 +1,72 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+# Srilatha Moturi <srilatha@netscape.com>
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+DEPTH=..\..\..\..
+
+MODULE=nsMapiRegistry
+MAKE_OBJ_TYPE = DLL
+LIBRARY_NAME=$(MODULE)
+MODULE_NAME=nsMapiRegistry
+
+
+CPPSRCS= \
+	nsMapiRegistry.cpp	\
+	Registry.cpp        \
+	nsMapiRegistryUtils.cpp  \
+	$(NULL)
+
+CPP_OBJS=	\
+	.\$(OBJDIR)\nsMapiRegistry.obj	\
+	.\$(OBJDIR)\Registry.obj        \
+	.\$(OBJDIR)\nsMapiRegistryUtils.obj \
+	$(NULL)
+
+LLIBS=                               \
+ $(DIST)\lib\xpcom.lib               \
+ $(LIBNSPR)                          \
+ $(NULL)
+
+WIN_LIBS=       \
+	ole32.lib   \
+    $(NULL)
+EXPORTS=	\
+	nsMapiRegistry.h		\
+	Registry.h              \
+	nsMapiRegistryUtils.h   \
+	$(NULL)
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiFactory.cpp
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiFactory.cpp
@@ -0,0 +1,121 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#undef UNICODE
+#undef _UNICODE
+
+#include "msgMapiFactory.h"
+#include "msgMapiImp.h"
+#include "msgMapi.h"
+
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5, {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+
+
+nsMapiFactory::nsMapiFactory()
+: m_cRef(1)
+{
+}
+
+nsMapiFactory::~nsMapiFactory()
+{
+}
+
+STDMETHODIMP nsMapiFactory::QueryInterface(const IID& aIid, void** aPpv)
+{    
+    if ((aIid == IID_IUnknown) || (aIid == IID_IClassFactory))
+    {
+        *aPpv = static_cast<IClassFactory*>(this); 
+    }
+    else
+    {
+        *aPpv = nsnull;
+        return E_NOINTERFACE;
+    }
+    reinterpret_cast<IUnknown*>(*aPpv)->AddRef();
+    return S_OK;
+}
+
+STDMETHODIMP_(ULONG) nsMapiFactory::AddRef()
+{
+    return (PR_AtomicIncrement(&m_cRef));
+}
+
+STDMETHODIMP_(ULONG) nsMapiFactory::Release() 
+{
+    PRInt32 temp;
+    temp = PR_AtomicDecrement(&m_cRef);
+    if (m_cRef == 0)
+    {
+        delete this;
+        return 0;
+    }
+
+    return temp;
+}
+
+STDMETHODIMP nsMapiFactory::CreateInstance(IUnknown* aUnknownOuter,
+                                           const IID& aIid,
+                                           void** aPpv) 
+{
+    // Cannot aggregate.
+
+    if (aUnknownOuter != nsnull)
+    {
+        return CLASS_E_NOAGGREGATION ;
+    }
+
+    // Create component.
+
+    nsMapiImp* pImp = new nsMapiImp();
+    if (pImp == nsnull)
+    {
+        return E_OUTOFMEMORY ;
+    }
+
+    // Get the requested interface.
+    HRESULT hr = pImp->QueryInterface(aIid, aPpv);
+
+    // Release the IUnknown pointer.
+    // (If QueryInterface failed, component will delete itself.)
+
+    pImp->Release();
+    return hr;
+}
+
+STDMETHODIMP nsMapiFactory::LockServer(PRBool aLock) 
+{
+    return S_OK ;
+}
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiFactory.h
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiFactory.h
@@ -0,0 +1,69 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_FACTORY_H
+#define MSG_MAPI_FACTORY_H
+
+#include <windows.h>
+#include <objbase.h>
+#include "nspr.h"
+
+
+class nsMapiFactory : public IClassFactory
+{
+public :
+
+    // IUnknown
+
+    STDMETHODIMP            QueryInterface (REFIID aIid, void** aPpv);
+    STDMETHODIMP_(ULONG)    AddRef(void);
+    STDMETHODIMP_(ULONG)    Release(void);
+
+    // IClassFactory
+
+    STDMETHODIMP        CreateInstance (LPUNKNOWN aUnkOuter, REFIID aIid, void **aPpv);
+    STDMETHODIMP        LockServer (BOOL aLock);
+
+    nsMapiFactory();
+    ~nsMapiFactory();
+
+private :
+
+    PRInt32 m_cRef;
+};
+
+#endif  // MSG_MAPI_FACTORY_H
+
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiHook.cpp
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiHook.cpp
@@ -0,0 +1,842 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ * Contributor(s): Srilatha Moturi (srilatha@netscape.com)
+ * Contributor(s): Rajiv Dayal (rdayal@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#define MAPI_STARTUP_ARG       "/MAPIStartUp"
+
+#define MAPI_STARTUP_ARG       "/MAPIStartUp"
+
+#include <mapidefs.h>
+#include <mapi.h>
+
+#include "nsCOMPtr.h"
+#include "nsIComponentManager.h"
+#include "nsIServiceManager.h"
+#include "nsISupports.h"
+#include "nsIPromptService.h"
+#include "nsAppShellCIDs.h"
+#include "nsIDOMWindowInternal.h"
+#include "nsIAppShellService.h"
+#include "nsINativeAppSupport.h"
+#include "nsICmdLineService.h"
+#include "nsIProfileInternal.h"
+#include "nsIMsgAccountManager.h"
+#include "nsIDOMWindowInternal.h"
+#include "nsXPIDLString.h"
+#include "nsReadableUtils.h"
+#include "nsMsgBaseCID.h"
+#include "nsIStringBundle.h"
+#include "nsIPref.h"
+#include "nsString.h"
+
+#include "nsIMsgCompFields.h"
+#include "nsIMsgComposeParams.h"
+#include "nsIMsgCompose.h"
+#include "nsMsgCompCID.h"
+#include "nsIMsgSend.h"
+#include "nsIProxyObjectManager.h"
+#include "nsIMsgComposeService.h"
+#include "nsProxiedService.h"
+#include "nsSpecialSystemDirectory.h"
+#include "nsMsgI18N.h"
+
+#include "msgMapi.h"
+#include "msgMapiHook.h"
+#include "msgMapiSupport.h"
+#include "msgMapiMain.h"
+
+static NS_DEFINE_CID(kCmdLineServiceCID, NS_COMMANDLINE_SERVICE_CID);
+
+#define MAPI_PROPERTIES_CHROME  "chrome://messenger/locale/mapi.properties"
+#define PREF_MAPI_WARN_PRIOR_TO_BLIND_SEND "mapi.blind-send.warn"
+#define PREF_MAPI_BLIND_SEND_ENABLED       "mapi.blind-send.enabled"
+
+class nsMAPISendListener : public nsIMsgSendListener
+{
+public:
+
+    virtual ~nsMAPISendListener() { }
+
+    // nsISupports interface
+    NS_DECL_ISUPPORTS
+
+    /* void OnStartSending (in string aMsgID, in PRUint32 aMsgSize); */
+    NS_IMETHOD OnStartSending(const char *aMsgID, PRUint32 aMsgSize) { return NS_OK; }
+
+    /* void OnProgress (in string aMsgID, in PRUint32 aProgress, in PRUint32 aProgressMax); */
+    NS_IMETHOD OnProgress(const char *aMsgID, PRUint32 aProgress, PRUint32 aProgressMax) { return NS_OK;}
+
+    /* void OnStatus (in string aMsgID, in wstring aMsg); */
+    NS_IMETHOD OnStatus(const char *aMsgID, const PRUnichar *aMsg) { return NS_OK;}
+
+    /* void OnStopSending (in string aMsgID, in nsresult aStatus, in wstring aMsg, in nsIFileSpec returnFileSpec); */
+    NS_IMETHOD OnStopSending(const char *aMsgID, nsresult aStatus, const PRUnichar *aMsg, 
+                           nsIFileSpec *returnFileSpec) {
+#ifdef RAJIV_DEBUG 
+        printf("Sending Done - OnStopSending \n");
+#endif
+        m_done = PR_TRUE;
+        return NS_OK ;
+    }
+
+    /* void OnGetDraftFolderURI (); */
+    NS_IMETHOD OnGetDraftFolderURI(const char *aFolderURI) {return NS_OK;}
+
+    static nsresult CreateMAPISendListener( nsIMsgSendListener **ppListener);
+
+    PRBool IsDone() { return m_done ; }
+
+protected :
+    nsMAPISendListener() {
+        NS_INIT_REFCNT(); 
+        m_done = PR_FALSE;
+    }
+
+    PRBool          m_done;
+};
+
+
+NS_IMPL_THREADSAFE_ISUPPORTS1(nsMAPISendListener, nsIMsgSendListener)
+
+nsresult nsMAPISendListener::CreateMAPISendListener( nsIMsgSendListener **ppListener)
+{
+    NS_ENSURE_ARG_POINTER(ppListener) ;
+
+    *ppListener = new nsMAPISendListener();
+    if (! *ppListener)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    NS_ADDREF(*ppListener);
+    return NS_OK;
+}
+
+PRBool nsMapiHook::isMapiService = PR_FALSE;
+
+PRBool nsMapiHook::Initialize()
+{
+    nsresult rv;
+    nsCOMPtr<nsINativeAppSupport> native;
+
+    nsCOMPtr<nsICmdLineService> cmdLineArgs(do_GetService(kCmdLineServiceCID, &rv));
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    nsCOMPtr<nsIAppShellService> appShell (do_GetService( "@mozilla.org/appshell/appShellService;1", &rv));
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    rv = appShell->GetNativeAppSupport( getter_AddRefs( native ));
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    rv = native->EnsureProfile(cmdLineArgs);
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    return PR_TRUE;
+}
+
+void nsMapiHook::CleanUp()
+{
+    // This routine will be fully implemented in future
+    // to cleanup mapi related stuff inside mozilla code.
+}
+
+PRBool nsMapiHook::DisplayLoginDialog(PRBool aLogin, PRUnichar **aUsername, \
+                      PRUnichar **aPassword)
+{
+    nsresult rv;
+    PRBool btnResult = PR_FALSE;
+
+    nsCOMPtr<nsIAppShellService> appShell(do_GetService( "@mozilla.org/appshell/appShellService;1", &rv));
+    if (NS_FAILED(rv) || !appShell) return PR_FALSE;
+   
+    nsCOMPtr<nsIPromptService> dlgService(do_GetService("@mozilla.org/embedcomp/prompt-service;1", &rv));
+    if (NS_SUCCEEDED(rv) && dlgService)
+    {
+        nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv));
+        if (NS_FAILED(rv) || !bundleService) return PR_FALSE;
+
+        nsCOMPtr<nsIStringBundle> bundle;
+        rv = bundleService->CreateBundle(MAPI_PROPERTIES_CHROME, getter_AddRefs(bundle));
+        if (NS_FAILED(rv) || !bundle) return PR_FALSE;
+
+        nsCOMPtr<nsIStringBundle> brandBundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://global/locale/brand.properties",
+                        getter_AddRefs(brandBundle));
+        if (NS_FAILED(rv)) return PR_FALSE;
+
+        nsXPIDLString brandName;
+        rv = brandBundle->GetStringFromName(
+                           NS_LITERAL_STRING("brandShortName").get(),
+                           getter_Copies(brandName));
+        if (NS_FAILED(rv)) return PR_FALSE;
+        
+        nsXPIDLString loginTitle;
+        const PRUnichar *brandStrings[] = { brandName.get() };
+        NS_NAMED_LITERAL_STRING(loginTitlePropertyTag, "loginTitle");
+        const PRUnichar *dTitlePropertyTag = loginTitlePropertyTag.get();
+        rv = bundle->FormatStringFromName(dTitlePropertyTag, brandStrings, 1,
+                                          getter_Copies(loginTitle));
+        if (NS_FAILED(rv)) return PR_FALSE;
+        
+        if (aLogin)
+        {
+            nsXPIDLString loginText;
+            rv = bundle->GetStringFromName(NS_LITERAL_STRING("loginTextwithName").get(),
+                                           getter_Copies(loginText));
+            if (NS_FAILED(rv) || !loginText) return PR_FALSE;
+
+
+
+            rv = dlgService->PromptUsernameAndPassword(nsnull, loginTitle,
+                                                       loginText, aUsername, aPassword,
+                                                       nsnull, PR_FALSE, &btnResult);
+        }
+        else
+        {
+            //nsString loginString; 
+            nsXPIDLString loginText;
+            const PRUnichar *userNameStrings[] = { *aUsername };
+
+            NS_NAMED_LITERAL_STRING(loginTextPropertyTag, "loginText");
+            const PRUnichar *dpropertyTag = loginTextPropertyTag.get();
+            rv = bundle->FormatStringFromName(dpropertyTag, userNameStrings, 1,
+                                              getter_Copies(loginText));
+            if (NS_FAILED(rv)) return PR_FALSE;
+
+            rv = dlgService->PromptPassword(nsnull, loginTitle, loginText,
+                                            aPassword, nsnull, PR_FALSE, &btnResult);
+        }
+    }            
+
+    return btnResult;
+}
+
+PRBool nsMapiHook::VerifyUserName(const PRUnichar *aUsername, char **aIdKey)
+{
+    nsresult rv;
+
+    if (aUsername == nsnull)
+        return PR_FALSE;
+
+    nsCOMPtr<nsIMsgAccountManager> accountManager(do_GetService(NS_MSGACCOUNTMANAGER_CONTRACTID, &rv));
+    if (NS_FAILED(rv)) return PR_FALSE;
+    nsCOMPtr<nsISupportsArray> identities;
+    rv = accountManager->GetAllIdentities(getter_AddRefs(identities));
+    if (NS_FAILED(rv)) return PR_FALSE;
+    PRUint32 numIndentities;
+    identities->Count(&numIndentities);
+
+    for (PRUint32 i = 0; i < numIndentities; i++)
+    {
+        // convert supports->Identity
+        nsCOMPtr<nsISupports> thisSupports;
+        rv = identities->GetElementAt(i, getter_AddRefs(thisSupports));
+        if (NS_FAILED(rv)) continue;
+        nsCOMPtr<nsIMsgIdentity> thisIdentity(do_QueryInterface(thisSupports, &rv));
+        if (NS_SUCCEEDED(rv) && thisIdentity)
+        {
+            nsXPIDLCString email;
+            rv = thisIdentity->GetEmail(getter_Copies(email));
+            if (NS_FAILED(rv)) continue;
+
+            // get the username from the email and compare with the username
+            nsCAutoString aEmail(email.get());
+            PRInt32 index = aEmail.FindChar('@');
+            if (index != -1)
+                aEmail.Truncate(index);
+
+if (nsDependentString(aUsername) == NS_ConvertASCIItoUCS2(aEmail))  // == overloaded
+                return NS_SUCCEEDED(thisIdentity->GetKey(aIdKey));
+        }
+    }
+
+    return PR_FALSE;
+}
+
+PRBool 
+nsMapiHook::IsBlindSendAllowed()
+{
+    PRBool enabled = PR_FALSE;
+    PRBool warn = PR_TRUE;
+    nsCOMPtr<nsIPref> prefs = do_GetService(NS_PREF_CONTRACTID);
+    if (prefs) {
+	    prefs->GetBoolPref(PREF_MAPI_WARN_PRIOR_TO_BLIND_SEND,&warn);
+            prefs->GetBoolPref(PREF_MAPI_BLIND_SEND_ENABLED,&enabled);
+    } 
+    if (!enabled)
+        return PR_FALSE;
+
+    if (!warn)
+        return PR_TRUE; // Everything is okay.  
+
+    nsresult rv;
+    nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv));
+    if (NS_FAILED(rv) || !bundleService) return PR_FALSE;
+
+    nsCOMPtr<nsIStringBundle> bundle;
+    rv = bundleService->CreateBundle(MAPI_PROPERTIES_CHROME, getter_AddRefs(bundle));
+    if (NS_FAILED(rv) || !bundle) return PR_FALSE;
+
+    nsXPIDLString warningMsg;
+    rv = bundle->GetStringFromName(NS_LITERAL_STRING("mapiBlindSendWarning").get(),
+                                        getter_Copies(warningMsg));
+    if (NS_FAILED(rv)) return PR_FALSE;
+    
+   nsXPIDLString dontShowAgainMessage;
+    rv = bundle->GetStringFromName(NS_LITERAL_STRING("mapiBlindSendDontShowAgain").get(),
+                                        getter_Copies(dontShowAgainMessage));
+    if (NS_FAILED(rv)) return PR_FALSE;
+
+    nsCOMPtr<nsIPromptService> dlgService(do_GetService("@mozilla.org/embedcomp/prompt-service;1", &rv));
+    if (NS_FAILED(rv) || !dlgService) return PR_FALSE;
+    
+    PRBool continueToWarn = PR_TRUE;
+    PRBool okayToContinue = PR_FALSE;
+    dlgService->ConfirmCheck(nsnull, nsnull, warningMsg, dontShowAgainMessage, &continueToWarn, &okayToContinue);
+        
+    if (!continueToWarn && okayToContinue && prefs)
+        prefs->SetBoolPref(PREF_MAPI_WARN_PRIOR_TO_BLIND_SEND,PR_FALSE);
+    
+    return okayToContinue;
+        
+}
+
+// this is used for Send without UI
+nsresult nsMapiHook::BlindSendMail (unsigned long aSession, nsIMsgCompFields * aCompFields) 
+{
+    nsresult rv = NS_OK ;
+
+    if (!IsBlindSendAllowed())
+        return NS_ERROR_FAILURE;
+
+    /** create nsIMsgComposeParams obj and other fields to populate it **/    
+
+    // get parent window
+    nsCOMPtr<nsIAppShellService> appService = do_GetService( "@mozilla.org/appshell/appShellService;1", &rv);
+    if (NS_FAILED(rv)|| (!appService) ) return rv ;
+
+    nsCOMPtr<nsIDOMWindowInternal>  hiddenWindow;
+    rv = appService->GetHiddenDOMWindow(getter_AddRefs(hiddenWindow));
+
+    if ( NS_FAILED(rv) ) return rv ;
+
+    // smtp password and Logged in used IdKey from MapiConfig (session obj)
+    nsMAPIConfiguration * pMapiConfig = nsMAPIConfiguration::GetMAPIConfiguration() ;
+    if (!pMapiConfig) return NS_ERROR_FAILURE ;  // get the singelton obj
+    PRUnichar * password = pMapiConfig->GetPassWord(aSession) ;
+    // password
+    nsCAutoString smtpPassword ;
+    smtpPassword.AssignWithConversion (password) ;
+    // Id key
+    char * MsgIdKey = pMapiConfig->GetIdKey(aSession) ;
+
+    // get the MsgIdentity for the above key using AccountManager
+    nsCOMPtr <nsIMsgAccountManager> accountManager = do_GetService (NS_MSGACCOUNTMANAGER_CONTRACTID) ;
+    if (NS_FAILED(rv) || (!accountManager) ) return rv ;
+
+    nsCOMPtr <nsIMsgIdentity> pMsgId ;
+    rv = accountManager->GetIdentity (MsgIdKey, getter_AddRefs(pMsgId)) ;
+    if (NS_FAILED(rv) ) return rv ;
+
+    // create a send listener to get back the send status
+    nsCOMPtr <nsIMsgSendListener> sendListener ;
+    rv = nsMAPISendListener::CreateMAPISendListener(getter_AddRefs(sendListener)) ; 
+    if (NS_FAILED(rv) || (!sendListener) ) return rv;
+
+    // create the compose params object 
+    nsCOMPtr<nsIMsgComposeParams> pMsgComposeParams (do_CreateInstance(NS_MSGCOMPOSEPARAMS_CONTRACTID, &rv));
+    if (NS_FAILED(rv) || (!pMsgComposeParams) ) return rv ;
+
+    // populate the compose params
+    pMsgComposeParams->SetType(nsIMsgCompType::New);
+    pMsgComposeParams->SetFormat(nsIMsgCompFormat::Default);
+    pMsgComposeParams->SetIdentity(pMsgId);
+    pMsgComposeParams->SetComposeFields(aCompFields); 
+    pMsgComposeParams->SetSendListener(sendListener) ;
+    pMsgComposeParams->SetSmtpPassword(smtpPassword);
+
+    // create the nsIMsgCompose object to send the object
+    nsCOMPtr<nsIMsgCompose> pMsgCompose (do_CreateInstance(NS_MSGCOMPOSE_CONTRACTID, &rv));
+    if (NS_FAILED(rv) || (!pMsgCompose) ) return rv ;
+
+    /** initialize nsIMsgCompose, Send the message, wait for send completion response **/
+
+    rv = pMsgCompose->Initialize(hiddenWindow, pMsgComposeParams) ;
+    if (NS_FAILED(rv)) return rv ;
+
+    pMsgCompose->SendMsg(nsIMsgSend::nsMsgDeliverNow, pMsgId, nsnull) ;
+    if (NS_FAILED(rv)) return rv ;
+
+    // assign to interface pointer from nsCOMPtr to facilitate typecast below
+    nsIMsgSendListener * pSendListener = sendListener ;  
+
+    // we need to wait here to make sure that we return only after send is completed
+    // so we will have a event loop here which will process the events till the Send IsDone.
+    nsCOMPtr<nsIEventQueueService> pEventQService = do_GetService(NS_EVENTQUEUESERVICE_CONTRACTID, &rv);
+    nsCOMPtr<nsIEventQueue> eventQueue;
+    pEventQService->GetThreadEventQueue(NS_CURRENT_THREAD,getter_AddRefs(eventQueue));
+    while ( !((nsMAPISendListener *) pSendListener)->IsDone() )
+        eventQueue->ProcessPendingEvents();
+
+    return rv ;
+}
+
+// this is used to populate comp fields with Unicode data
+nsresult nsMapiHook::PopulateCompFields(lpnsMapiMessage aMessage, 
+                                    nsIMsgCompFields * aCompFields)
+{
+    nsresult rv = NS_OK ;
+
+    if (aMessage->lpOriginator)
+    {
+        PRUnichar * From = aMessage->lpOriginator->lpszAddress ;
+        aCompFields->SetFrom (From) ;
+    }
+
+    nsAutoString To ;
+    nsAutoString Cc ; 
+    nsAutoString Bcc ;
+
+    nsAutoString Comma ;
+    Comma.AssignWithConversion(",");
+
+    if (aMessage->lpRecips)
+    {
+        for (int i=0 ; i < (int) aMessage->nRecipCount ; i++)
+        {
+            if (aMessage->lpRecips[i].lpszAddress)
+            {
+                switch (aMessage->lpRecips[i].ulRecipClass)
+                {
+                case MAPI_TO :
+                    if (To.Length() > 0)
+                        To += Comma ;
+                    To += (PRUnichar *) aMessage->lpRecips[i].lpszAddress ;
+                    break ;
+
+                case MAPI_CC :
+                    if (Cc.Length() > 0)
+                        Cc += Comma ;
+                    Cc += (PRUnichar *) aMessage->lpRecips[i].lpszAddress ; 
+                    break ;
+
+                case MAPI_BCC :
+                    if (Bcc.Length() > 0)
+                        Bcc += Comma ;
+                    Bcc += (PRUnichar *) aMessage->lpRecips[i].lpszAddress ; 
+                    break ;
+                }
+            }
+        }
+    }
+
+    // set To, Cc, Bcc
+    aCompFields->SetTo (To.get()) ;
+    aCompFields->SetCc (Cc.get()) ;
+    aCompFields->SetBcc (Bcc.get()) ;
+
+    // set subject
+    if (aMessage->lpszSubject)
+    {
+        PRUnichar * Subject = aMessage->lpszSubject ;
+        aCompFields->SetSubject(Subject) ;
+    }
+
+    // handle attachments as File URL
+    rv = HandleAttachments (aCompFields, aMessage->nFileCount, aMessage->lpFiles, PR_TRUE) ;
+    if (NS_FAILED(rv)) return rv ;    
+
+    // set body
+    if (aMessage->lpszNoteText)
+    {
+        PRUnichar * Body = aMessage->lpszNoteText ;
+        rv = aCompFields->SetBody(Body) ;
+    }
+
+#ifdef RAJIV_DEBUG
+    // testing what all was set in CompFields
+    printf ("To : %S \n", To.get()) ;
+    printf ("CC : %S \n", Cc.get() ) ;
+    printf ("BCC : %S \n", Bcc.get() ) ;
+#endif
+
+    return rv ;
+
+}
+
+nsresult nsMapiHook::HandleAttachments (nsIMsgCompFields * aCompFields, PRInt32 aFileCount, 
+                                        lpnsMapiFileDesc aFiles, BOOL aIsUnicode)
+{
+    nsresult rv = NS_OK ;
+
+    nsCAutoString Attachments ;
+    nsCAutoString TempFiles ;
+
+    nsCOMPtr <nsILocalFile> pFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pFile) ) return rv ;        
+    nsCOMPtr <nsILocalFile> pTempDir = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pTempDir) ) return rv ;        
+
+    for (int i=0 ; i < aFileCount ; i++)
+    {
+        PRBool bTempFile = PR_FALSE ;
+        if (aFiles[i].lpszPathName)
+        {
+            if (aIsUnicode)
+                pFile->InitWithUnicodePath (aFiles[i].lpszPathName) ; 
+            else
+                pFile->InitWithPath ((char *) aFiles[i].lpszPathName) ; 
+            PRBool bExist ;
+            rv = pFile->Exists(&bExist) ;
+            if (NS_FAILED(rv) || (!bExist) ) return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST ;
+
+            // we do this since MS Office apps create a temp file when sending  
+            // the currently open document in that app
+            if (aFiles[i].lpszFileName)
+            {
+                // Win temp Path
+                nsAutoString tempPath ;
+                nsSpecialSystemDirectory tmpDir(nsSpecialSystemDirectory::OS_TemporaryDirectory);
+                ((nsFileSpec*)&tmpDir)->GetNativePathString(tempPath);
+                tempPath.ToLowerCase() ;
+
+                // filename of the file attachment
+                nsXPIDLString pLeafName ;
+                pFile->GetUnicodeLeafName (getter_Copies(pLeafName)) ;
+
+                // dir path of the file attachment
+                nsXPIDLString pPath ;
+                pFile->GetUnicodePath (getter_Copies(pPath)) ;
+                nsAutoString Path ;
+                Path.Assign(pPath.get()) ;
+
+                nsAutoString LeafName ;
+                LeafName.Assign (pLeafName.get());
+                PRInt32 offset = Path.RFind (LeafName) ;
+                Path.SetLength(offset) ;
+                Path.ToLowerCase() ;
+
+                if (tempPath == Path)
+                {
+                    // create another temp dir for mapi within Win temp dir
+                    nsAutoString strTempDir ;
+                    strTempDir += tempPath.get() ; 
+                    strTempDir.AppendWithConversion("moz_mapi") ; 
+                    pTempDir->InitWithUnicodePath (strTempDir.get()) ;
+                    pTempDir->Exists (&bExist) ;
+                    if (!bExist)
+                    {
+                        rv = pTempDir->Create(nsIFile::DIRECTORY_TYPE, 777) ;
+                        if (NS_FAILED(rv)) return rv ;
+                    }
+                    // filename passed for the file attachment
+                    if (aIsUnicode)
+                    {
+                        nsAutoString RealFileName ;
+                        RealFileName.Assign (aFiles[i].lpszFileName) ;
+                        // copy to our mapi temp dir with real name
+                        rv = pFile->CopyToUnicode(pTempDir, RealFileName.get()) ;
+                        if (NS_FAILED(rv)) return rv ;
+                        pFile->InitWithUnicodePath(strTempDir.get()) ;
+                        pFile->AppendUnicode (RealFileName.get()) ;
+                    }
+                    else
+                    {
+                        nsCAutoString asciiRealFileName ;
+                        asciiRealFileName.Assign((char *) aFiles[i].lpszFileName) ;
+                        nsCAutoString asciiLeafName ;
+                        asciiLeafName.AssignWithConversion (pLeafName.get());
+                        // copy to our mapi temp dir with real name
+                        rv = pFile->CopyTo(pTempDir, asciiRealFileName.get()) ;
+                        if (NS_FAILED(rv)) return rv ;
+                        pFile->InitWithUnicodePath(strTempDir.get()) ;
+                        pFile->Append (asciiRealFileName.get()) ;
+                    }
+                    // this one is a temp file
+                    bTempFile = PR_TRUE ;
+                }
+            }
+            // get url 
+            nsXPIDLCString pURL ;
+            pFile->GetURL (getter_Copies(pURL)) ;
+            if (pURL)
+            {
+                if (Attachments.Length() > 0)
+                    Attachments.Append(",") ;
+                Attachments.Append(pURL) ;
+                if (bTempFile)
+                {
+                    if (TempFiles.Length() > 0)
+                        TempFiles.Append(",") ;
+                    TempFiles.Append(pURL) ;
+                }
+            }
+        }
+    }
+    // set attachment
+    if (Attachments.Length() > 0)
+        rv = aCompFields->SetAttachments (Attachments.get());
+    // set temp file
+    if (TempFiles.Length() > 0)
+        rv = aCompFields->SetTemporaryFiles(TempFiles.get());
+
+#ifdef RAJIV_DEBUG
+    printf ("Attachments : %s \n", Attachments.get()) ;
+    printf ("TempFiles : %s \n", TempFiles.get()) ;
+#endif
+
+    return rv ;
+}
+
+
+// this is used to convert non Unicode data and then populate comp fields
+nsresult nsMapiHook::PopulateCompFieldsWithConversion(lpnsMapiMessage aMessage, 
+                                    nsIMsgCompFields * aCompFields)
+{
+    nsresult rv = NS_OK ;
+
+    if (aMessage->lpOriginator)
+    {
+        nsAutoString From ;
+        From.AssignWithConversion((char *) aMessage->lpOriginator->lpszAddress);
+        aCompFields->SetFrom (From.get()) ;
+    }
+
+    nsAutoString To ;
+    nsAutoString Cc ; 
+    nsAutoString Bcc ;
+
+    nsAutoString Comma ;
+    Comma.AssignWithConversion(",");
+
+    if (aMessage->lpRecips)
+    {
+        for (int i=0 ; i < (int) aMessage->nRecipCount ; i++)
+        {
+            if (aMessage->lpRecips[i].lpszAddress)
+            {
+                switch (aMessage->lpRecips[i].ulRecipClass)
+                {
+                case MAPI_TO :
+                    if (To.Length() > 0)
+                        To += Comma ;
+                    To.AppendWithConversion ((char *) aMessage->lpRecips[i].lpszAddress);
+                    break ;
+
+                case MAPI_CC :
+                    if (Cc.Length() > 0)
+                        Cc += Comma ;
+                    Cc.AppendWithConversion ((char *) aMessage->lpRecips[i].lpszAddress); 
+                    break ;
+
+                case MAPI_BCC :
+                    if (Bcc.Length() > 0)
+                        Bcc += Comma ;
+                    Bcc.AppendWithConversion ((char *) aMessage->lpRecips[i].lpszAddress) ; 
+                    break ;
+                }
+            }
+        }
+    }
+    
+    // set To, Cc, Bcc
+    aCompFields->SetTo (To.get()) ;
+    aCompFields->SetCc (Cc.get()) ;
+    aCompFields->SetBcc (Bcc.get()) ;
+
+    nsAutoString platformCharSet;
+    // set subject
+    if (aMessage->lpszSubject)
+    {
+        nsAutoString Subject ;
+        if (platformCharSet.IsEmpty())
+            platformCharSet.Assign(nsMsgI18NFileSystemCharset());
+        rv = ConvertToUnicode(platformCharSet, (char *) aMessage->lpszSubject, Subject);
+        if (NS_FAILED(rv)) return rv ;         
+        aCompFields->SetSubject(Subject.get()) ;
+    }
+
+    // handle attachments as File URL
+    rv = HandleAttachments (aCompFields, aMessage->nFileCount, aMessage->lpFiles, PR_FALSE) ;
+    if (NS_FAILED(rv)) return rv ;    
+
+    // set body
+    if (aMessage->lpszNoteText)
+    {
+        nsAutoString Body ;
+        if (platformCharSet.IsEmpty())
+            platformCharSet.Assign(nsMsgI18NFileSystemCharset());
+        rv = ConvertToUnicode(platformCharSet, (char *) aMessage->lpszNoteText, Body);
+        if (NS_FAILED(rv)) return rv ;
+        rv = aCompFields->SetBody(Body.get()) ;
+    }
+
+#ifdef RAJIV_DEBUG
+    // testing what all was set in CompFields
+    printf ("To : %S \n", To.get()) ;
+    printf ("CC : %S \n", Cc.get() ) ;
+    printf ("BCC : %S \n", Bcc.get() ) ;
+#endif
+
+    return rv ;
+}
+
+// this is used to populate the docs as attachments in the Comp fields for Send Documents
+nsresult nsMapiHook::PopulateCompFieldsForSendDocs(nsIMsgCompFields * aCompFields, ULONG aFlags, 
+                            PRUnichar * aDelimChar, PRUnichar * aFilePaths)
+{
+    nsAutoString strDelimChars ;
+    nsString strFilePaths;
+    nsresult rv = NS_OK ;
+
+    if (aFlags & MAPI_UNICODE)
+    {
+        if (aDelimChar)
+            strDelimChars.Assign (aDelimChar) ;
+        if (aFilePaths)
+            strFilePaths.Assign (aFilePaths) ;
+    }
+	else
+    {
+        if (aDelimChar)
+            strDelimChars.AssignWithConversion ((char*) aDelimChar) ;
+        if (aFilePaths)
+            strFilePaths.AssignWithConversion ((char *) aFilePaths) ;
+    }
+
+    // check for comma in filename 
+    if (strDelimChars.Find (",") == kNotFound)  // if comma is not in the delimiter specified by user
+    {
+        if (strFilePaths.Find(",") != kNotFound) // if comma found in filenames return error
+            return NS_ERROR_FILE_INVALID_PATH ;
+    }
+
+    nsCString Attachments ;
+
+    // only 1 file is to be sent, no delim specified
+    if ((!strDelimChars.Length()) && (strFilePaths.Length()>0))
+    {
+        nsCOMPtr <nsILocalFile> pFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv) ;
+        if (NS_FAILED(rv) || (!pFile) ) return rv ;        
+        pFile->InitWithUnicodePath (strFilePaths.get()) ;
+
+        PRBool bExist ;
+        rv = pFile->Exists(&bExist) ;
+        if (NS_FAILED(rv) || (!bExist) ) return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST ;
+
+        nsXPIDLCString pURL ;
+        pFile->GetURL (getter_Copies(pURL)) ;
+        if (pURL)
+            Attachments.Assign(pURL) ;
+
+        // set attachments for comp field and return
+        rv = aCompFields->SetAttachments (Attachments.get());
+        return rv ;
+    }
+
+    // multiple files to be sent, delim specified
+    nsCOMPtr <nsILocalFile> pFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pFile) ) return rv ;        
+    PRInt32 offset = 0 ;
+    PRInt32 FilePathsLen = strFilePaths.Length() ;
+    if (FilePathsLen)
+    {
+        PRUnichar * newFilePaths = (PRUnichar *) strFilePaths.get() ;
+        while (offset != kNotFound)
+        {
+            nsString RemainingPaths ;
+            RemainingPaths.Assign(newFilePaths) ;
+            offset = RemainingPaths.Find (strDelimChars) ;
+            if (offset != kNotFound)
+            {
+                RemainingPaths.SetLength (offset) ;
+                if ((offset + strDelimChars.Length()) < FilePathsLen)
+                    newFilePaths += offset + strDelimChars.Length() ;
+            }
+
+            pFile->InitWithUnicodePath (RemainingPaths.get()) ;
+
+    #ifdef RAJIV_DEBUG
+            printf ("File : %S \n", RemainingPaths.get()) ; 
+    #endif 
+            PRBool bExist ;
+            rv = pFile->Exists(&bExist) ;
+            if (NS_FAILED(rv) || (!bExist) ) return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST ;
+
+            nsXPIDLCString pURL ;
+            pFile->GetURL (getter_Copies(pURL)) ;
+            if (pURL)
+            {
+				if (Attachments.Length() > 0)
+					Attachments.Append(",") ;
+                Attachments.Append(pURL) ;
+            }
+        }
+        rv = aCompFields->SetAttachments (Attachments.get());
+    }
+
+    return rv ;
+}
+
+// this used for Send with UI
+nsresult nsMapiHook::ShowComposerWindow (unsigned long aSession, nsIMsgCompFields * aCompFields) 
+{
+    nsresult rv = NS_OK ;
+
+    // create a send listener to get back the send status
+    nsCOMPtr <nsIMsgSendListener> sendListener ;
+    rv = nsMAPISendListener::CreateMAPISendListener(getter_AddRefs(sendListener)) ; 
+    if (NS_FAILED(rv) || (!sendListener) ) return rv ;
+
+    // create the compose params object 
+    nsCOMPtr<nsIMsgComposeParams> pMsgComposeParams (do_CreateInstance(NS_MSGCOMPOSEPARAMS_CONTRACTID, &rv));
+    if (NS_FAILED(rv) || (!pMsgComposeParams) ) return rv ;
+
+    // populate the compose params
+    pMsgComposeParams->SetType(nsIMsgCompType::New);
+    pMsgComposeParams->SetFormat(nsIMsgCompFormat::Default);
+    pMsgComposeParams->SetComposeFields(aCompFields); 
+    pMsgComposeParams->SetSendListener(sendListener) ;
+
+    /** get the nsIMsgComposeService object to open the compose window **/
+    nsCOMPtr <nsIMsgComposeService> compService = do_GetService (NS_MSGCOMPOSESERVICE_CONTRACTID) ;
+    if (NS_FAILED(rv)|| (!compService) ) return rv ;
+
+    rv = compService->OpenComposeWindowWithParams(nsnull, pMsgComposeParams) ;
+    if (NS_FAILED(rv)) return rv ;
+
+    return rv ;
+}
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiHook.h
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiHook.h
@@ -0,0 +1,66 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_HOOK_H_
+#define MSG_MAPI_HOOK_H_
+
+#include "prtypes.h"
+
+class nsMapiHook
+{
+    public :
+
+        static PRBool Initialize();
+        static PRBool DisplayLoginDialog(PRBool aLogin, PRUnichar **aUsername, 
+                        PRUnichar **aPassword);
+        static PRBool VerifyUserName(const PRUnichar *aUsername, char **aIdKey);
+
+        static PRBool IsBlindSendAllowed () ;
+        static nsresult BlindSendMail (unsigned long aSession, nsIMsgCompFields * aCompFields) ;
+        static nsresult ShowComposerWindow (unsigned long aSession, nsIMsgCompFields * aCompFields) ;
+        static nsresult PopulateCompFields(lpnsMapiMessage aMessage, nsIMsgCompFields * aCompFields) ;
+        static nsresult PopulateCompFieldsWithConversion(lpnsMapiMessage aMessage, 
+                                        nsIMsgCompFields * aCompFields) ;
+        static nsresult PopulateCompFieldsForSendDocs(nsIMsgCompFields * aCompFields, 
+                                        ULONG aFlags, LPTSTR aDelimChar, LPTSTR aFilePaths) ;
+        static nsresult HandleAttachments (nsIMsgCompFields * aCompFields, PRInt32 aFileCount, 
+                                        lpnsMapiFileDesc aFiles, BOOL aIsUnicode) ;
+        static void CleanUp();
+
+        static PRBool isMapiService;
+};
+
+#endif  // MSG_MAPI_HOOK_H_
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiImp.cpp
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiImp.cpp
@@ -0,0 +1,335 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ * Contributor(s): Rajiv Dayal (rdayal@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <mapidefs.h>
+#include <mapi.h>
+#include "msgMapi.h"
+#include "msgMapiImp.h"
+#include "msgMapiFactory.h"
+#include "msgMapiMain.h"
+
+#include "nsMsgCompFields.h"
+#include "msgMapiHook.h"
+#include "nsString.h"
+#include "nsCOMPtr.h"
+#include "nsISupports.h"
+#include "nsMsgCompCID.h"
+#include "nsMsgComposeStringBundle.h"
+
+
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5, {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+
+nsMapiImp::nsMapiImp()
+: m_cRef(1)
+{
+    m_Lock = PR_NewLock();
+}
+
+nsMapiImp::~nsMapiImp() 
+{ 
+    if (m_Lock)
+        PR_DestroyLock(m_Lock);
+}
+
+STDMETHODIMP nsMapiImp::QueryInterface(const IID& aIid, void** aPpv)
+{    
+    if (aIid == IID_IUnknown)
+    {
+        *aPpv = static_cast<nsIMapi*>(this); 
+    }
+    else if (aIid == IID_nsIMapi)
+    {
+        *aPpv = static_cast<nsIMapi*>(this);
+    }
+    else
+    {
+        *aPpv = nsnull;
+        return E_NOINTERFACE;
+    }
+
+    reinterpret_cast<IUnknown*>(*aPpv)->AddRef();
+    return S_OK;
+}
+
+STDMETHODIMP_(ULONG) nsMapiImp::AddRef()
+{
+    return PR_AtomicIncrement(&m_cRef);
+}
+
+STDMETHODIMP_(ULONG) nsMapiImp::Release() 
+{
+    PRInt32 temp;
+    temp = PR_AtomicDecrement(&m_cRef);
+    if (m_cRef == 0)
+    {
+        delete this;
+        return 0;
+    }
+
+    return temp;
+}
+
+STDMETHODIMP nsMapiImp::IsValid()
+{
+    return S_OK;
+}
+
+STDMETHODIMP nsMapiImp::IsValidSession(unsigned long aSession)
+{
+    nsMAPIConfiguration *pConfig = nsMAPIConfiguration::GetMAPIConfiguration();
+    if (pConfig && pConfig->IsSessionValid(aSession))
+        return S_OK;
+
+    return E_FAIL;
+}
+
+STDMETHODIMP nsMapiImp::Initialize()
+{
+    HRESULT hr = E_FAIL;
+
+    if (!m_Lock)
+        return E_FAIL;
+
+    PR_Lock(m_Lock);
+
+    // Initialize MAPI Configuration
+
+    nsMAPIConfiguration *pConfig = nsMAPIConfiguration::GetMAPIConfiguration();
+    if (pConfig != nsnull)
+        if (nsMapiHook::Initialize())
+            hr = S_OK;
+
+    PR_Unlock(m_Lock);
+
+    return hr;
+}
+
+STDMETHODIMP nsMapiImp::Login(unsigned long aUIArg, LOGIN_PW_TYPE aLogin, LOGIN_PW_TYPE aPassWord,
+                unsigned long aFlags, unsigned long *aSessionId)
+{
+    HRESULT hr = E_FAIL;
+    PRBool bNewSession = PR_FALSE;
+    char *id_key = nsnull;
+
+    if (aFlags & MAPI_NEW_SESSION)
+        bNewSession = PR_TRUE;
+
+    // Check For Profile Name
+
+    if (aLogin != nsnull && aLogin[0] != '\0')
+    {
+        if (nsMapiHook::VerifyUserName(aLogin, &id_key) == PR_FALSE)
+    {
+        *aSessionId = MAPI_E_LOGIN_FAILURE;
+        return hr;
+    }
+    }
+
+    // finally register(create) the session.
+
+    PRUint32 nSession_Id;
+    PRInt16 nResult = 0;
+
+    nsMAPIConfiguration *pConfig = nsMAPIConfiguration::GetMAPIConfiguration();
+    if (pConfig != nsnull)
+        nResult = pConfig->RegisterSession(aUIArg, aLogin, aPassWord,
+                                           (aFlags & MAPI_FORCE_DOWNLOAD), bNewSession,
+                                           &nSession_Id, id_key);
+
+    switch (nResult)
+    {
+        case -1 :
+        {
+            *aSessionId = MAPI_E_TOO_MANY_SESSIONS;
+            return hr;
+        }
+        case 0 :
+        {
+            *aSessionId = MAPI_E_INSUFFICIENT_MEMORY;
+            return hr;
+        }
+        default :
+        {
+            *aSessionId = nSession_Id;
+            break;
+        }
+    }
+
+    return S_OK;
+}
+
+STDMETHODIMP nsMapiImp::SendMail( unsigned long aSession, lpnsMapiMessage aMessage,
+     short aRecipCount, lpnsMapiRecipDesc aRecips , short aFileCount, lpnsMapiFileDesc aFiles , 
+     unsigned long aFlags, unsigned long aReserved)
+{
+    HRESULT hr = SUCCESS_SUCCESS ;
+
+    // Assign the pointers in the aMessage struct to the array of Recips and Files
+    // recieved here from MS COM. These are used in BlindSendMail and ShowCompWin fns 
+    aMessage->lpRecips = aRecips ;
+    aMessage->lpFiles = aFiles ;
+
+    nsresult rv ;
+
+    /** create nsIMsgCompFields obj and populate it **/
+    nsCOMPtr<nsIMsgCompFields> pCompFields = do_CreateInstance(NS_MSGCOMPFIELDS_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pCompFields) ) return MAPI_E_INSUFFICIENT_MEMORY ;
+
+    if (aFlags & MAPI_UNICODE)
+        rv = nsMapiHook::PopulateCompFields(aMessage, pCompFields) ;
+    else
+        rv = nsMapiHook::PopulateCompFieldsWithConversion(aMessage, pCompFields) ;
+    
+    if (NS_SUCCEEDED (rv))
+    {
+        // see flag to see if UI needs to be brought up
+        if (!(aFlags & MAPI_DIALOG))
+        {
+            rv = nsMapiHook::BlindSendMail(aSession, pCompFields);
+        }
+        else
+        {
+            rv = nsMapiHook::ShowComposerWindow(aSession, pCompFields);
+        }
+    }
+
+    // return success
+    if (NS_SUCCEEDED (rv)) return hr ;
+    // if failure return the related MAPI failure code
+    switch (rv)
+    {
+        case NS_MSG_NO_RECIPIENTS :
+            hr = MAPI_E_BAD_RECIPTYPE ;
+            break ;
+        case NS_ERROR_COULD_NOT_GET_USERS_MAIL_ADDRESS :
+            hr = MAPI_E_INVALID_RECIPS ; 
+            break ;
+        case NS_ERROR_COULD_NOT_LOGIN_TO_SMTP_SERVER :
+            hr = MAPI_E_LOGIN_FAILURE ;
+            break ;
+        case NS_MSG_UNABLE_TO_OPEN_FILE :                 
+        case NS_MSG_UNABLE_TO_OPEN_TMP_FILE :
+        case NS_MSG_COULDNT_OPEN_FCC_FOLDER :
+        case NS_ERROR_FILE_INVALID_PATH :
+            hr = MAPI_E_ATTACHMENT_OPEN_FAILURE ;
+            break ;
+        case NS_ERROR_FILE_TARGET_DOES_NOT_EXIST :
+            hr = MAPI_E_ATTACHMENT_NOT_FOUND ;
+            break ;
+        case NS_MSG_CANCELLING :
+            hr = MAPI_E_USER_ABORT ;
+            break ;
+        case NS_MSG_ERROR_WRITING_FILE :
+        case NS_MSG_UNABLE_TO_SAVE_TEMPLATE :
+        case NS_MSG_UNABLE_TO_SAVE_DRAFT :
+            hr = MAPI_E_ATTACHMENT_WRITE_FAILURE ;
+            break ;
+        default :
+            hr = MAPI_E_FAILURE ;
+            break ;
+    }
+    
+    return hr ;
+}
+
+
+STDMETHODIMP nsMapiImp::SendDocuments( unsigned long aSession, LPTSTR aDelimChar,
+                            LPTSTR aFilePaths, LPTSTR aFileNames, ULONG aFlags)
+{
+    HRESULT hr = SUCCESS_SUCCESS ;
+    nsresult rv = NS_OK ;
+
+    /** create nsIMsgCompFields obj and populate it **/
+    nsCOMPtr<nsIMsgCompFields> pCompFields = do_CreateInstance(NS_MSGCOMPFIELDS_CONTRACTID, &rv) ;
+    if (NS_FAILED(rv) || (!pCompFields) ) return MAPI_E_INSUFFICIENT_MEMORY ;
+
+    if (aFilePaths)
+    {
+        rv = nsMapiHook::PopulateCompFieldsForSendDocs(pCompFields, aFlags, aDelimChar, aFilePaths) ;
+    }
+
+    if (NS_SUCCEEDED (rv)) 
+        rv = nsMapiHook::ShowComposerWindow(aSession, pCompFields);
+
+    // return success
+    if (NS_SUCCEEDED (rv)) return hr ;
+    // if failure return the related MAPI failure code
+    switch (rv)
+    {
+        case NS_ERROR_COULD_NOT_LOGIN_TO_SMTP_SERVER :
+            hr = MAPI_E_LOGIN_FAILURE ;
+            break ;
+        case NS_MSG_UNABLE_TO_OPEN_FILE :                 
+        case NS_MSG_UNABLE_TO_OPEN_TMP_FILE :
+        case NS_MSG_COULDNT_OPEN_FCC_FOLDER :
+        case NS_ERROR_FILE_INVALID_PATH :
+            hr = MAPI_E_ATTACHMENT_OPEN_FAILURE ;
+            break ;
+        case NS_ERROR_FILE_TARGET_DOES_NOT_EXIST :
+            hr = MAPI_E_ATTACHMENT_NOT_FOUND ;
+            break ;
+        case NS_MSG_CANCELLING :
+            hr = MAPI_E_USER_ABORT ;
+            break ;
+        case NS_MSG_ERROR_WRITING_FILE :
+        case NS_MSG_UNABLE_TO_SAVE_TEMPLATE :
+        case NS_MSG_UNABLE_TO_SAVE_DRAFT :
+            hr = MAPI_E_ATTACHMENT_WRITE_FAILURE ;
+            break ;
+        default :
+            hr = MAPI_E_FAILURE ;
+            break ;
+    }
+
+    return hr ;
+}
+
+STDMETHODIMP nsMapiImp::Logoff (unsigned long aSession)
+{
+    nsMAPIConfiguration *pConfig = nsMAPIConfiguration::GetMAPIConfiguration();
+
+    if (pConfig->UnRegisterSession((PRUint32)aSession))
+        return S_OK;
+
+    return E_FAIL;
+}
+
+STDMETHODIMP nsMapiImp::CleanUp()
+{
+    nsMapiHook::CleanUp();
+    return S_OK;
+}
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiImp.h
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiImp.h
@@ -0,0 +1,87 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_IMP_H
+#define MSG_MAPI_IMP_H
+
+#include <windows.h>
+#include <mapi.h>
+#include "msgMapi.h"
+#include "nsXPIDLString.h"
+#include "nspr.h"
+
+class nsMapiImp : public nsIMapi
+{
+
+public :
+
+    // IUnknown
+
+    STDMETHODIMP            QueryInterface(const IID& aIid, void** aPpv);
+    STDMETHODIMP_(ULONG)    AddRef();
+    STDMETHODIMP_(ULONG)    Release();
+
+    // Interface INsMapi
+
+    STDMETHODIMP Login(unsigned long aUIArg, LOGIN_PW_TYPE aLogin, 
+                       LOGIN_PW_TYPE aPassWord, unsigned long aFlags,
+                       unsigned long *aSessionId);
+
+    STDMETHODIMP SendMail( unsigned long aSession, lpnsMapiMessage aMessage,
+         short aRecipCount, lpnsMapiRecipDesc aRecips , 
+         short aFileCount, lpnsMapiFileDesc aFiles , 
+         unsigned long aFlags, unsigned long aReserved) ;
+
+    STDMETHODIMP SendDocuments( unsigned long aSession, LPTSTR aDelimChar,
+                                LPTSTR aFilePaths, LPTSTR aFileNames, ULONG aFlags);
+
+    STDMETHODIMP Initialize();
+    STDMETHODIMP IsValid();
+    STDMETHODIMP IsValidSession(unsigned long aSession);
+
+    STDMETHODIMP Logoff (unsigned long aSession);
+    STDMETHODIMP CleanUp();
+
+    nsMapiImp();
+    ~nsMapiImp();
+
+private :
+
+    PRLock *m_Lock;
+    PRInt32 m_cRef;
+};
+
+#endif // MSG_MAPI_IMP_H
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiMain.cpp
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiMain.cpp
@@ -0,0 +1,340 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "msgMapiMain.h"
+#include "nsIServiceManager.h"
+#include "nsCOMPtr.h"
+
+// move to xpcom bug 81956.
+class nsPRUintKey : public nsHashKey {
+protected:
+    PRUint32 mKey;
+public:
+    nsPRUintKey(PRUint32 key) : mKey(key) {}
+
+    PRUint32 HashCode(void) const {
+        return mKey;
+    }
+
+    PRBool Equals(const nsHashKey *aKey) const {
+        return mKey == ((const nsPRUintKey *) aKey)->mKey;
+    }
+    nsHashKey *Clone() const {
+        return new nsPRUintKey(mKey);
+    }
+    PRUint32 GetValue() { return mKey; }
+};
+//
+
+
+nsMAPIConfiguration *nsMAPIConfiguration::m_pSelfRef = nsnull;
+PRUint32 nsMAPIConfiguration::session_generator = 0;
+PRUint32 nsMAPIConfiguration::sessionCount = 0;
+
+nsMAPIConfiguration *nsMAPIConfiguration::GetMAPIConfiguration()
+{
+    if (m_pSelfRef == nsnull)
+        m_pSelfRef = new nsMAPIConfiguration();
+
+    return m_pSelfRef;
+}
+
+nsMAPIConfiguration::nsMAPIConfiguration()
+: m_nMaxSessions(MAX_SESSIONS),
+  m_ProfileMap(nsnull),
+  m_SessionMap(nsnull)
+{
+    m_Lock = PR_NewLock();
+    m_ProfileMap = new nsHashtable();
+    m_SessionMap = new nsHashtable();
+    NS_ASSERTION(m_SessionMap && m_ProfileMap, "hashtables not created");
+}
+
+static PRBool
+FreeSessionMapEntries(nsHashKey *aKey, void *aData, void* aClosure)
+{
+    nsMAPISession *pTemp = (nsMAPISession*) aData;
+    delete pTemp;
+    pTemp = nsnull;
+    return PR_TRUE;
+}
+
+static PRBool
+FreeProfileMapEntries(nsHashKey *aKey, void *aData, void* aClosure)
+{
+    return PR_TRUE;
+}
+
+nsMAPIConfiguration::~nsMAPIConfiguration()
+{
+    if (m_Lock)
+        PR_DestroyLock(m_Lock);
+
+    if (m_SessionMap)
+    {
+        m_SessionMap->Reset(FreeSessionMapEntries);
+        delete m_SessionMap;
+        m_SessionMap = nsnull;
+    }
+
+    if (m_ProfileMap)
+    {
+        m_ProfileMap->Reset(FreeProfileMapEntries);
+        delete m_ProfileMap;
+        m_ProfileMap = nsnull;
+    }
+}
+
+void nsMAPIConfiguration::OpenConfiguration()
+{
+    // No. of max. sessions is set to MAX_SESSIONS.  In future
+    // if it is decided to have configuration (registry)
+    // parameter, this function can be used to set the
+    // max sessions;
+
+    return;
+}
+
+PRInt16 nsMAPIConfiguration::RegisterSession(PRUint32 aHwnd,
+                const PRUnichar *aUserName, const PRUnichar *aPassword,
+                PRBool aForceDownLoad, PRBool aNewSession,
+                PRUint32 *aSession, char *aIdKey)
+{
+    PRInt16 nResult = 0;
+    PRUint32 n_SessionId = 0;
+
+    PR_Lock(m_Lock);
+
+    // Check whether max sessions is exceeded
+
+    if (sessionCount >= m_nMaxSessions)
+    {
+        PR_Unlock(m_Lock);
+        return -1;
+    }
+
+    if (aUserName != nsnull && aUserName[0] != '\0')
+    {
+    nsStringKey usernameKey(aUserName);
+    n_SessionId = (PRUint32) m_ProfileMap->Get(&usernameKey);
+    }
+
+    // try to share a session; if not create a session
+
+    if (n_SessionId > 0)
+    {
+        nsPRUintKey sessionKey(n_SessionId);
+        nsMAPISession *pTemp = (nsMAPISession *)m_SessionMap->Get(&sessionKey);
+        if (pTemp != nsnull)
+        {
+            pTemp->IncrementSession();
+            *aSession = n_SessionId;
+            nResult = 1;
+        }
+    }
+    else if (aNewSession || n_SessionId == 0) // checking for n_SessionId is a concession
+    {
+        // create a new session ; if new session is specified OR there is no session
+        nsMAPISession *pTemp = nsnull;
+        pTemp = new nsMAPISession(aHwnd, aUserName,
+                               aPassword, aForceDownLoad, aIdKey);
+
+        if (pTemp != nsnull)
+        {
+            session_generator++;
+
+            // I don't think there will be (2 power 32) sessions alive
+            // in a cycle.  This is an assumption
+
+            if (session_generator == 0)
+                session_generator++;
+
+            nsPRUintKey sessionKey(session_generator);
+            m_SessionMap->Put(&sessionKey, pTemp);
+            if (aUserName != nsnull && aUserName[0] != '\0')
+            {
+                nsStringKey usernameKey(aUserName);
+            m_ProfileMap->Put(&usernameKey, (void*)session_generator);
+            }
+
+            *aSession = session_generator;
+            sessionCount++;
+            nResult = 1;
+        }
+    }
+
+    PR_Unlock(m_Lock);
+    return nResult;
+}
+
+PRBool nsMAPIConfiguration::UnRegisterSession(PRUint32 aSessionID)
+{
+    PRBool bResult = PR_FALSE;
+
+    PR_Lock(m_Lock);
+
+    if (aSessionID != 0)
+    {
+        nsPRUintKey sessionKey(aSessionID);
+        nsMAPISession *pTemp = (nsMAPISession *)m_SessionMap->Get(&sessionKey);
+
+        if (pTemp != nsnull)
+        {
+            if (pTemp->DecrementSession() == 0)
+            {
+                if (pTemp->m_pProfileName.get() != nsnull)
+                {
+                nsStringKey stringKey(pTemp->m_pProfileName.get());
+                m_ProfileMap->Remove(&stringKey);
+                }
+                m_SessionMap->Remove(&sessionKey);
+                sessionCount--;
+                bResult = PR_TRUE;
+            }
+        }
+    }
+
+    PR_Unlock(m_Lock);
+    return bResult;
+}
+
+PRBool nsMAPIConfiguration::IsSessionValid(PRUint32 aSessionID)
+{
+    if (aSessionID == 0)
+        return PR_FALSE;
+
+    PRBool retValue = PR_FALSE;
+    nsPRUintKey sessionKey(aSessionID);
+
+    PR_Lock(m_Lock);
+
+    retValue = m_SessionMap->Exists(&sessionKey);
+        
+    PR_Unlock(m_Lock);
+
+    return retValue;
+}
+
+
+PRUnichar *nsMAPIConfiguration::GetPassWord(PRUint32 aSessionID)
+{
+    PRUnichar *pResult = nsnull;
+
+    PR_Lock(m_Lock);
+
+    if (aSessionID != 0)
+    {
+        nsPRUintKey sessionKey(aSessionID);
+        nsMAPISession *pTemp = (nsMAPISession *)m_SessionMap->Get(&sessionKey);
+
+        if (pTemp)
+        {
+            pResult = pTemp->GetPassWord();
+        }
+    }
+
+    PR_Unlock(m_Lock);
+
+    return pResult;
+}
+
+char *nsMAPIConfiguration::GetIdKey(PRUint32 aSessionID)
+{
+    char *pResult = nsnull;
+
+    PR_Lock(m_Lock);
+
+    if (aSessionID != 0)
+    {
+        nsPRUintKey sessionKey(aSessionID);
+        nsMAPISession *pTemp = (nsMAPISession *)m_SessionMap->Get(&sessionKey);
+        if (pTemp)
+        {
+           pResult = pTemp->GetIdKey();
+        }
+    }
+
+    PR_Unlock(m_Lock);
+    return pResult;
+}
+
+
+
+nsMAPISession::nsMAPISession(PRUint32 aHwnd, const PRUnichar *aUserName,\
+                             const PRUnichar *aPassword, \
+                             PRBool aForceDownLoad, char *aKey)
+: m_bIsForcedDownLoad(aForceDownLoad),
+  m_hAppHandle(aHwnd),
+  m_nShared(1),
+  m_pIdKey(aKey)
+{
+    m_pProfileName.Assign(aUserName);
+    m_pPassword.Assign(aPassword);
+}
+
+nsMAPISession::~nsMAPISession()
+{
+    if (m_pIdKey != nsnull)
+    {
+        delete [] m_pIdKey;
+        m_pIdKey = nsnull;
+    }
+}
+
+PRUint32 nsMAPISession::IncrementSession()
+{
+    return ++m_nShared;
+}
+
+PRUint32 nsMAPISession::DecrementSession()
+{
+    return --m_nShared;
+}
+
+PRUint32 nsMAPISession::GetSessionCount()
+{
+    return m_nShared;
+}
+
+PRUnichar *nsMAPISession::GetPassWord()
+{
+    return (PRUnichar *)m_pPassword.get();
+}
+
+char *nsMAPISession::GetIdKey()
+{
+    return m_pIdKey;
+}
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiMain.h
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiMain.h
@@ -0,0 +1,104 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_MAIN_H_
+#define NSG_MAPI_MAIN_H_
+
+#define        MAX_NAME_LEN    256
+#define        MAX_PW_LEN      256
+#define        MAX_SESSIONS    50
+
+#include "nsXPIDLString.h"
+#include "nspr.h"
+#include "nsString.h"
+#include "nsHashtable.h"
+
+class nsMAPIConfiguration
+{
+private :
+
+    static PRUint32 session_generator;
+    static PRUint32 sessionCount;
+    static nsMAPIConfiguration *m_pSelfRef;
+    PRLock *m_Lock;
+    PRUint32  m_nMaxSessions;
+
+
+    nsHashtable *m_ProfileMap;
+    nsHashtable *m_SessionMap;
+    nsMAPIConfiguration();
+
+public :
+    static nsMAPIConfiguration *GetMAPIConfiguration();
+    void OpenConfiguration();
+    PRInt16 RegisterSession(PRUint32 aHwnd, const PRUnichar *aUserName, \
+                            const PRUnichar *aPassword, PRBool aForceDownLoad, \
+                            PRBool aNewSession, PRUint32 *aSession, char *aIdKey);
+    PRBool IsSessionValid(PRUint32 aSessionID);
+    PRBool UnRegisterSession(PRUint32 aSessionID);
+    PRUnichar *GetPassWord(PRUint32 aSessionID);
+    char *GetIdKey(PRUint32 aSessionID);
+    ~nsMAPIConfiguration();
+};
+
+class nsMAPISession
+{
+    friend class nsMAPIConfiguration;
+
+    private :
+
+        PRBool   m_bIsForcedDownLoad;
+        PRBool   m_bApp_or_Service;
+        PRUint32 m_hAppHandle;
+        PRUint32 m_nShared;
+        char     *m_pIdKey;
+        nsString m_pProfileName;
+        nsString m_pPassword;
+
+    public :
+
+        nsMAPISession(PRUint32 aHwnd, const PRUnichar *aUserName, \
+                      const PRUnichar *aPassword, \
+                      PRBool aForceDownLoad, char *aKey);
+        PRUint32 IncrementSession();
+        PRUint32 DecrementSession();
+        PRUint32 GetSessionCount();
+        PRUnichar *nsMAPISession::GetPassWord();
+        char *nsMAPISession::GetIdKey();
+        ~nsMAPISession();
+};
+
+#endif    // MSG_MAPI_MAIN_H_
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiSupport.cpp
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiSupport.cpp
@@ -0,0 +1,146 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "msgMapiSupport.h"
+#include "nsISupports.h"
+
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5, \
+                              {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+
+PRBool WINAPI DllMain(HINSTANCE aInstance, DWORD aReason, LPVOID aReserved)
+{
+    switch (aReason)
+    {
+        case DLL_PROCESS_ATTACH :
+        {
+            // Initialize MAPI Support
+
+            nsMapiSupport *pTemp = nsMapiSupport::GetNsMapiSupport();
+            break;
+        }
+        case DLL_PROCESS_DETACH :
+        {
+            nsMapiSupport *pTemp = nsMapiSupport::GetNsMapiSupport();
+            pTemp->UnInitMSCom();
+            delete pTemp;
+            pTemp = nsnull;
+        }
+    }
+
+    return PR_TRUE;
+}
+
+extern "C"
+{
+    void __declspec(dllexport) Init()
+    {
+        nsMapiSupport *pTemp = nsMapiSupport::GetNsMapiSupport();
+        if (pTemp != nsnull)
+            pTemp->InitMSCom();
+    }
+}
+
+nsMapiSupport* nsMapiSupport::m_pSelfRef = nsnull;
+
+nsMapiSupport *nsMapiSupport::GetNsMapiSupport()
+{
+    if (m_pSelfRef == nsnull)
+        m_pSelfRef = new nsMapiSupport();
+
+    return m_pSelfRef;
+}
+
+nsMapiSupport::nsMapiSupport()
+: m_dwRegister(0),
+  m_nsMapiFactory(nsnull)
+{
+}
+
+nsMapiSupport::~nsMapiSupport()
+{
+}
+
+PRBool nsMapiSupport::RegsiterComponents()
+{
+    if (m_nsMapiFactory == nsnull)    // No Registering if already done.  Sanity Check!!
+    {
+        m_nsMapiFactory = new nsMapiFactory();
+
+        if (m_nsMapiFactory != nsnull)
+        {
+            HRESULT hr = ::CoRegisterClassObject(CLSID_nsMapiImp, \
+                                                 m_nsMapiFactory, \
+                                                 CLSCTX_LOCAL_SERVER, \
+                                                 REGCLS_MULTIPLEUSE, \
+                                                 &m_dwRegister);
+
+            if (FAILED(hr))
+            {
+                m_nsMapiFactory->Release() ;
+                m_nsMapiFactory = nsnull;
+                return PR_FALSE;
+            }
+        }
+    }
+
+    return PR_TRUE;
+}
+
+PRBool nsMapiSupport::UnRegisterComponents()
+{
+    if (m_dwRegister != 0)
+        ::CoRevokeClassObject(m_dwRegister);
+
+    if (m_nsMapiFactory != nsnull)
+    {
+        m_nsMapiFactory->Release();
+        m_nsMapiFactory = nsnull;
+    }
+
+    return PR_TRUE;
+}
+
+void nsMapiSupport::InitMSCom()
+{
+    ::CoInitialize(nsnull);
+    RegsiterComponents();
+}
+
+void nsMapiSupport::UnInitMSCom()
+{
+    UnRegisterComponents();
+    ::CoUninitialize();
+}
--- a/mozilla/mailnews/mapi/mapihook/src/msgMapiSupport.h
+++ b/mozilla/mailnews/mapi/mapihook/src/msgMapiSupport.h
@@ -0,0 +1,64 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is 
+ # Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika (kkhandrika@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef MSG_MAPI_SUPPORT_H_
+#define MSG_MAPI_SUPPORT_H_
+
+#include "msgMapiFactory.h"
+#include "prtypes.h"
+
+class __declspec(dllexport) nsMapiSupport
+{
+    private :
+
+        DWORD   m_dwRegister;
+        static nsMapiSupport *m_pSelfRef;
+        nsMapiFactory *m_nsMapiFactory;
+
+        nsMapiSupport();
+
+    public :
+
+        static nsMapiSupport *GetNsMapiSupport();
+        ~nsMapiSupport();
+
+        PRBool RegsiterComponents();
+        void UnInitMSCom();
+        void InitMSCom();
+        PRBool UnRegisterComponents();
+};
+
+#endif  // MSG_MAPI_SUPPORT_H_
--- a/mozilla/mailnews/mapi/mapihook/src/nsMapiRegistry.cpp
+++ b/mozilla/mailnews/mapi/mapihook/src/nsMapiRegistry.cpp
@@ -0,0 +1,252 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+ 
+#include "nsIServiceManager.h"
+#include "nsMapiRegistry.h"
+#include "nsIGenericFactory.h"
+#include "nsXPIDLString.h"
+#include "nsIPromptService.h"
+#include "nsIStringBundle.h"
+#include "nsIProxyObjectManager.h"
+#include "nsProxiedService.h"
+
+#include "nsMapiRegistryUtils.h" 
+#include "nsString.h"
+
+static NS_DEFINE_CID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID);
+
+nsresult ShowMapiErrorDialog();
+
+/** Implementation of the nsIMapiRegistry interface.
+ *  Use standard implementation of nsISupports stuff.
+ */
+NS_IMPL_ISUPPORTS1(nsMapiRegistry, nsIMapiRegistry);
+
+nsMapiRegistry::nsMapiRegistry() {
+    NS_INIT_ISUPPORTS();
+    m_ShowDialog = !verifyRestrictedAccess();
+    m_DefaultMailClient = IsDefaultMailClient();
+}
+
+nsMapiRegistry::~nsMapiRegistry() {
+}
+
+NS_IMETHODIMP
+nsMapiRegistry::GetIsDefaultMailClient(PRBool * retval) {
+    // we need to get the value from registry everytime
+    // because the registry settings can be changed from
+    // other mail applications.
+    *retval = IsDefaultMailClient();
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMapiRegistry::GetShowDialog(PRBool * retval) {
+    *retval = m_ShowDialog;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMapiRegistry::SetDefaultMailClient() {
+    nsresult rv = setDefaultMailClient();
+    if (NS_SUCCEEDED(rv))
+        m_DefaultMailClient = PR_TRUE;
+    else
+       rv = ShowMapiErrorDialog();
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMapiRegistry::UnsetDefaultMailClient() {
+    nsresult rv = unsetDefaultMailClient();
+    if (NS_SUCCEEDED(rv))
+        m_DefaultMailClient = PR_FALSE;
+    else
+        ShowMapiErrorDialog();
+    return NS_OK;
+}
+
+/** This will bring up the dialog box only once per session and 
+ * only if the current app is not default Mail Client.
+ * This also checks the registry if the registry key
+ * showMapiDialog is set
+ */
+NS_IMETHODIMP
+nsMapiRegistry::ShowMailIntegrationDialog(nsIDOMWindow *aParentWindow) {
+    nsresult rv;
+    if (!m_ShowDialog || !getShowDialog()) return NS_OK;
+    nsCOMPtr<nsIPromptService> promptService(do_GetService(
+                  "@mozilla.org/embedcomp/prompt-service;1", &rv));
+    if (NS_SUCCEEDED(rv) && promptService)
+    {
+        nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(
+                                         kStringBundleServiceCID, &rv));
+        if (NS_FAILED(rv) || !bundleService) return NS_ERROR_FAILURE;
+
+        nsCOMPtr<nsIStringBundle> bundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://messenger/locale/mapi.properties",
+                        getter_AddRefs(bundle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsCOMPtr<nsIStringBundle> brandBundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://global/locale/brand.properties",
+                        getter_AddRefs(brandBundle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString brandName;
+        rv = brandBundle->GetStringFromName(
+                           NS_LITERAL_STRING("brandShortName").get(),
+                           getter_Copies(brandName));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString dialogTitle;
+        const PRUnichar *brandStrings[] = { brandName.get() };
+        NS_NAMED_LITERAL_STRING(dialogTitlePropertyTag, "dialogTitle");
+        const PRUnichar *dTitlepropertyTag = dialogTitlePropertyTag.get();
+        rv = bundle->FormatStringFromName(dTitlepropertyTag,
+                                          brandStrings, 1,
+                                          getter_Copies(dialogTitle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+        
+        nsXPIDLString dialogText;
+        NS_NAMED_LITERAL_STRING(dialogTextPropertyTag, "dialogText");
+        const PRUnichar *dpropertyTag = dialogTextPropertyTag.get();
+        rv = bundle->FormatStringFromName(dpropertyTag,
+                                          brandStrings, 1,
+                                          getter_Copies(dialogText));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString checkboxText;
+        rv = bundle->GetStringFromName(
+                           NS_LITERAL_STRING("checkboxText").get(),
+                           getter_Copies(checkboxText));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        PRBool checkValue = PR_FALSE;
+        PRInt32 buttonPressed = 0;
+        rv = promptService->ConfirmEx(aParentWindow,
+                                      dialogTitle,
+                                      dialogText.get(),
+                                      (nsIPromptService::BUTTON_TITLE_YES * 
+                                      nsIPromptService::BUTTON_POS_0) +
+                                      (nsIPromptService::BUTTON_TITLE_NO * 
+                                      nsIPromptService::BUTTON_POS_1),
+                                      nsnull,
+                                      nsnull,
+                                      nsnull,
+                                      checkboxText,
+                                      &checkValue,
+                                      &buttonPressed);
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, "Software\\Mozilla\\Desktop", 
+                                "showMapiDialog", (checkValue) ? "0" : "1");
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        m_ShowDialog = PR_FALSE;
+        if (!buttonPressed)
+            rv = SetDefaultMailClient();
+    }
+    return rv;
+}
+
+nsresult ShowMapiErrorDialog() {
+    nsresult rv;
+    nsCOMPtr<nsIPromptService> promptService(do_GetService(
+                  "@mozilla.org/embedcomp/prompt-service;1", &rv));
+    if (NS_SUCCEEDED(rv) && promptService)
+    {
+        nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(
+                                         kStringBundleServiceCID, &rv));
+        if (NS_FAILED(rv) || !bundleService) return NS_ERROR_FAILURE;
+
+        nsCOMPtr<nsIStringBundle> bundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://messenger/locale/mapi.properties",
+                        getter_AddRefs(bundle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsCOMPtr<nsIStringBundle> brandBundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://global/locale/brand.properties",
+                        getter_AddRefs(brandBundle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString brandName;
+        rv = brandBundle->GetStringFromName(
+                           NS_LITERAL_STRING("brandShortName").get(),
+                           getter_Copies(brandName));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString dialogTitle;
+        const PRUnichar *brandStrings[] = { brandName.get() };
+        NS_NAMED_LITERAL_STRING(dialogTitlePropertyTag, "errorMessageTitle");
+        const PRUnichar *dTitlepropertyTag = dialogTitlePropertyTag.get();
+        rv = bundle->FormatStringFromName(dTitlepropertyTag,
+                                          brandStrings, 1,
+                                          getter_Copies(dialogTitle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+        nsXPIDLString dialogText;
+        NS_NAMED_LITERAL_STRING(dialogTextPropertyTag, "errorMessage");
+        const PRUnichar *dpropertyTag = dialogTextPropertyTag.get();
+        rv = bundle->FormatStringFromName(dpropertyTag,
+                                          brandStrings, 1,
+                                          getter_Copies(dialogText));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+        rv = promptService->Alert(nsnull, dialogTitle,
+                                  dialogText);
+    }
+    return rv;
+}
+
+
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsMapiRegistry);
+
+// The list of components we register
+static nsModuleComponentInfo components[] = 
+{
+  {
+    NS_IMAPIREGISTRY_CLASSNAME, 
+    NS_IMAPIREGISTRY_CID,
+    NS_IMAPIWINHOOK_CONTRACTID, 
+    nsMapiRegistryConstructor
+  }
+};
+
+NS_IMPL_NSGETMODULE(nsMapiRegistryModule, components);
+
--- a/mozilla/mailnews/mapi/mapihook/src/nsMapiRegistry.h
+++ b/mozilla/mailnews/mapi/mapihook/src/nsMapiRegistry.h
@@ -0,0 +1,73 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsmapiregistry_h____
+#define nsmapiregistry_h____
+
+#include "nsIMapiRegistry.h"
+
+#ifndef MAX_BUF
+#define MAX_BUF 4096
+#endif
+
+/* c5be14ba-4e0a-4eec-a1b8-04363761d63c */
+#define NS_IMAPIREGISTRY_CID \
+ { 0xc5be14ba, 0x4e0a, 0x4eec, {0xa1, 0xb8, 0x04, 0x36, 0x37, 0x61, 0xd6, 0x3c} }
+#define NS_IMAPIREGISTRY_CONTRACTID    "@mozilla.org/mapiregistry;1"
+#define NS_IMAPIREGISTRY_CLASSNAME "Mozilla MAPI Registry"
+
+class nsMapiRegistry : public nsIMapiRegistry {
+public:
+    // ctor/dtor
+    nsMapiRegistry();
+    virtual ~nsMapiRegistry();
+
+    // Declare all interface methods we must implement.
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIMAPIREGISTRY
+
+protected:
+    
+    PRBool m_DefaultMailClient;
+    PRBool m_ShowDialog;
+
+private:
+    // Special member to handle initialization.
+    PRBool mHaveBeenSet;
+}; // nsMapiRegistry
+
+#endif // nsmapiregistry_h____
--- a/mozilla/mailnews/mapi/mapihook/src/nsMapiRegistryUtils.cpp
+++ b/mozilla/mailnews/mapi/mapihook/src/nsMapiRegistryUtils.cpp
@@ -0,0 +1,652 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#undef UNICODE
+#undef _UNICODE
+
+#include "nsIServiceManager.h"
+#include "nsMapiRegistryUtils.h"
+#include "nsString.h"
+#include "nsIStringBundle.h"
+#include "nsXPIDLString.h"
+#include "nsSpecialSystemDirectory.h"
+#include "nsDirectoryService.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsAppDirectoryServiceDefs.h"
+
+// returns TRUE if the Mapi32.dll is smart dll.
+static PRBool isSmartDll();
+
+// returns TRUE if the Mapi32.dll is a Mozilla dll.
+static PRBool isMozDll();
+
+static NS_DEFINE_CID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID);
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5, {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+
+// Returns the (fully-qualified) name of this executable.
+static nsCString thisApplication() {
+    static nsCAutoString result;
+
+    if (result.IsEmpty()) {
+        char buffer[MAX_PATH] = {0};
+        DWORD len = ::GetModuleFileName(NULL, buffer, sizeof buffer);
+        len = ::GetShortPathName(buffer, buffer, sizeof buffer);
+    
+        result = buffer;
+        result.ToUpperCase();
+    }
+
+    return result;
+}
+
+/** This returns the brand name for this application
+  */
+static nsCString brandName() {
+    static nsCAutoString brand;
+    nsresult rv;
+    if (brand.IsEmpty()) {
+        nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(
+                                         kStringBundleServiceCID, &rv));
+        if (NS_SUCCEEDED(rv) && bundleService) {
+            nsCOMPtr<nsIStringBundle> brandBundle;
+            rv = bundleService->CreateBundle(
+                        "chrome://global/locale/brand.properties",
+                        getter_AddRefs(brandBundle));
+            if (NS_SUCCEEDED(rv)) {
+                nsXPIDLString brandName;
+                rv = brandBundle->GetStringFromName(
+                           NS_LITERAL_STRING("brandShortName").get(),
+                           getter_Copies(brandName));
+                if (NS_SUCCEEDED(rv)) {
+                    brand.AssignWithConversion(brandName.get());
+                }
+            }
+        }
+    }
+    return brand;
+}
+
+// verifyRestrictedAccess - Returns PR_TRUE if this user only has restricted access
+// to the registry keys we need to modify.
+PRBool verifyRestrictedAccess() {
+    char   subKey[] = "Software\\Mozilla - Test Key";
+    PRBool result = PR_FALSE;
+    DWORD  dwDisp = 0;
+    HKEY   key;
+    // Try to create/open a subkey under HKLM.
+    DWORD rc = ::RegCreateKeyEx(HKEY_LOCAL_MACHINE,
+                                subKey,
+                                0,
+                                NULL,
+                                REG_OPTION_NON_VOLATILE,
+                                KEY_WRITE,
+                                NULL,
+                                &key,
+                                &dwDisp);
+
+    if (rc == ERROR_SUCCESS) {
+        // Key was opened; first close it.
+        ::RegCloseKey(key);
+        // Delete it if we just created it.
+        switch(dwDisp) {
+            case REG_CREATED_NEW_KEY:
+                ::RegDeleteKey(HKEY_LOCAL_MACHINE, subKey);
+                break;
+            case REG_OPENED_EXISTING_KEY:
+                break;
+        }
+    } else {
+        // Can't create/open it; we don't have access.
+        result = PR_TRUE;
+    }
+    return result;
+}
+
+nsresult SetRegistryKey(HKEY baseKey, const char * keyName, 
+                        const char * valueName, char * value)
+{
+    nsresult result = NS_ERROR_FAILURE;
+    HKEY   key;
+    LONG   rc = ::RegCreateKey(baseKey, keyName, &key);
+  
+    if (rc == ERROR_SUCCESS) {
+        rc = ::RegSetValueEx(key, valueName, NULL, REG_SZ, 
+                                 (LPBYTE)(const char*)value, strlen(value));
+        if (rc == ERROR_SUCCESS) {
+            result = NS_OK;
+        }
+        ::RegCloseKey(key);
+    }
+    return result;
+}
+
+nsresult DeleteRegistryValue(HKEY baseKey, const char * keyName, 
+                        const char * valueName)
+{
+    nsresult result = NS_ERROR_FAILURE;
+    HKEY   key;
+    LONG   rc = ::RegOpenKey(baseKey, keyName, &key);
+  
+    if (rc == ERROR_SUCCESS) {
+        rc = ::RegDeleteValue(key, valueName);
+        if (rc == ERROR_SUCCESS)
+            result = NS_OK;
+        ::RegCloseKey(key);
+    }
+    return result;
+}
+
+nsCString GetRegistryKey(HKEY baseKey, const char * keyName, 
+                         const char * valueName)
+{
+    nsCAutoString value;
+    HKEY   key;
+    LONG   rc = ::RegOpenKey(baseKey, keyName, &key);
+    if (rc == ERROR_SUCCESS) {
+        char buffer[MAX_PATH] = {0};
+        DWORD len = sizeof buffer;
+        rc = ::RegQueryValueEx(key, valueName, NULL, NULL, 
+                               (LPBYTE)buffer, &len);
+        if (rc == ERROR_SUCCESS) {
+            if (len)
+                value = buffer;
+        }
+        ::RegCloseKey(key);
+     }
+     return value;
+}
+
+#define EXE_EXTENSION ".exe" 
+
+/** Returns TRUE if the current application is default mail client.
+ */
+PRBool IsDefaultMailClient()
+{
+    if (!isSmartDll() && !isMozDll()) 
+        return PR_FALSE;
+    nsCAutoString name(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                      "Software\\Clients\\Mail", ""));
+    if (!name.IsEmpty()) {
+         nsCString keyName("Software\\Clients\\Mail\\");
+         keyName += name.get(); 
+         keyName += "\\protocols\\mailto\\shell\\open\\command";
+
+         nsCAutoString result(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                             keyName.get(), ""));
+         if (!result.IsEmpty()) {
+             nsCAutoString strExtension;
+             strExtension.Assign(EXE_EXTENSION);
+             result.ToUpperCase();
+             strExtension.ToUpperCase();
+             PRInt32 index = result.RFind(strExtension.get());
+             if (index != kNotFound) {
+                 result.Truncate(index + strExtension.Length());
+             }
+             return (result == thisApplication());
+        }
+    }
+    return PR_FALSE;
+
+}
+
+/** Saves the current setting of the default Mail Client in 
+ * HKEY_LOCAL_MACHINE\\Software\\Mozilla\\Desktop
+ */
+nsresult saveDefaultMailClient()
+{
+    nsresult rv;
+    nsCAutoString name(GetRegistryKey(HKEY_LOCAL_MACHINE,
+                                    "Software\\Clients\\Mail", ""));
+    if (!name.IsEmpty()) {
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "HKEY_LOCAL_MACHINE\\Software\\Clients\\Mail", 
+                            (char *)name.get());
+        if (NS_SUCCEEDED(rv)) {
+            nsCString keyName("Software\\Clients\\Mail\\");
+            keyName += name.get(); 
+            keyName += "\\protocols\\mailto\\shell\\open\\command";
+            nsCAutoString appPath(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                               keyName.get(), ""));
+            if (!appPath.IsEmpty()) {
+                nsCString stringName("HKEY_LOCAL_MACHINE\\");
+                stringName += keyName.get();
+                rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                  "Software\\Mozilla\\Desktop", 
+                                  stringName.get(), (char *)appPath.get());
+            }
+        }
+    }
+    else
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "HKEY_LOCAL_MACHINE\\Software\\Clients\\Mail", 
+                            "");
+    return rv;
+} 
+
+/** Saves the current user setting of the default Mail Client in 
+ * HKEY_LOCAL_MACHINE\\Software\\Mozilla\\Desktop
+ */
+nsresult saveUserDefaultMailClient()
+{
+    nsresult rv;
+    nsCAutoString name(GetRegistryKey(HKEY_CURRENT_USER,
+                                    "Software\\Clients\\Mail", ""));
+    if (!name.IsEmpty()) {
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "HKEY_CURRENT_USER\\Software\\Clients\\Mail", 
+                            (char *)name.get());
+    }
+    else {
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "HKEY_CURRENT_USER\\Software\\Clients\\Mail", 
+                            "");
+   }
+   return rv;
+}
+
+/**
+ * Check whether it is a smart dll or not. Smart dll is the one installed by
+ * IE5 or Outlook Express which forwards the MAPI calls to the dll based on the 
+ * registry key setttings.
+ * Returns TRUE if is a smart dll.
+ */
+
+typedef HRESULT (FAR PASCAL GetOutlookVersionFunc)(); 
+static PRBool isSmartDll() 
+{ 
+    char buffer[MAX_PATH] = {0};
+    if (GetSystemDirectory(buffer, sizeof(buffer)) == 0) 
+        return PR_FALSE;
+    PL_strcatn(buffer, sizeof(buffer), "\\Mapi32.dll");
+    
+    HINSTANCE hInst; 
+    GetOutlookVersionFunc *doesExist = nsnull;
+    hInst = LoadLibrary(buffer); 
+    if (hInst == nsnull) 
+        return PR_FALSE;
+        
+    doesExist = (GetOutlookVersionFunc *) GetProcAddress (hInst, "GetOutlookVersion"); 
+    FreeLibrary(hInst); 
+
+    return (doesExist != nsnull); 
+} 
+
+typedef HRESULT (FAR PASCAL GetMapiDllVersion)(); 
+/**
+ * Checks whether mapi32.dll is installed by this app. 
+ * Returns TRUE if it is.
+ */
+static PRBool isMozDll() 
+{ 
+    char buffer[MAX_PATH] = {0};
+    if (GetSystemDirectory(buffer, sizeof(buffer)) == 0) 
+        return PR_FALSE;
+    PL_strcatn(buffer, sizeof(buffer), "\\Mapi32.dll"); 
+
+    HINSTANCE hInst; 
+    GetMapiDllVersion *doesExist = nsnull;
+    hInst = LoadLibrary(buffer); 
+    if (hInst == nsnull) 
+        return PR_FALSE;
+        
+    doesExist = (GetMapiDllVersion *) GetProcAddress (hInst, "GetMapiDllVersion"); 
+    FreeLibrary(hInst); 
+
+    return (doesExist != nsnull); 
+} 
+
+/** Renames Mapi32.dl in system directory to Mapi32_moz_bak.dll
+ *  copies the mozMapi32.dll from bin directory to the system directory
+ */
+nsresult CopyMozMapiToWinSysDir()
+{
+    nsresult rv;
+    char buffer[MAX_PATH] = {0};
+    if (GetSystemDirectory(buffer, sizeof(buffer)) == 0) 
+        return NS_ERROR_FAILURE;
+
+    nsCAutoString filePath(buffer);
+    filePath.Append("\\Mapi32_moz_bak.dll");
+
+    nsCOMPtr<nsILocalFile> pCurrentMapiFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv);
+    if (NS_FAILED(rv) || !pCurrentMapiFile) return rv;        
+    pCurrentMapiFile->InitWithPath(filePath.get());
+
+    nsCOMPtr<nsIFile> pMozMapiFile;
+    nsCOMPtr<nsIProperties> directoryService =
+          do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
+    if (!directoryService) return NS_ERROR_FAILURE;
+    rv = directoryService->Get(NS_OS_CURRENT_PROCESS_DIR,
+                              NS_GET_IID(nsIFile),
+                              getter_AddRefs(pMozMapiFile));
+
+    if (NS_FAILED(rv)) return rv;
+    pMozMapiFile->Append("mozMapi32.dll");
+
+    PRBool bExist;
+    rv = pMozMapiFile->Exists(&bExist);
+    if (NS_FAILED(rv) || !bExist) return rv;
+
+    rv = pCurrentMapiFile->Exists(&bExist);
+    if (NS_SUCCEEDED(rv) && bExist)
+    {
+        rv = pCurrentMapiFile->Remove(PR_FALSE);
+    }
+    if (NS_FAILED(rv)) return rv;
+    filePath.Assign(buffer);
+    filePath.Append("\\Mapi32.dll");
+    pCurrentMapiFile->InitWithPath(filePath.get());
+    rv = pCurrentMapiFile->Exists(&bExist);
+    if (NS_SUCCEEDED(rv) && bExist)
+    {
+        rv = pCurrentMapiFile->MoveTo(nsnull, "Mapi32_moz_bak.dll");
+        if (NS_FAILED(rv)) return rv;
+        nsCAutoString fullFilePath(buffer);
+        fullFilePath.Append("\\Mapi32_moz_bak.dll");
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "Mapi_backup_dll", 
+                            (char *)fullFilePath.get());
+        if (NS_FAILED(rv)) {
+             RestoreBackedUpMapiDll();
+             return rv;
+        }
+    }
+    
+    nsAutoString fileName;
+    fileName.AssignWithConversion("Mapi32.dll");
+    filePath.Assign(buffer);
+    pCurrentMapiFile->InitWithPath(filePath.get());
+    rv = pMozMapiFile->CopyToUnicode(pCurrentMapiFile, fileName.get());
+    if (NS_FAILED(rv))
+        RestoreBackedUpMapiDll();
+    return rv;
+}
+
+/** deletes the Mapi32.dll in system directory and renames Mapi32_moz_bak.dll
+ *  to Mapi32.dll
+ */
+nsresult RestoreBackedUpMapiDll()
+{
+    nsresult rv;
+    char buffer[MAX_PATH] = {0};
+    if (GetSystemDirectory(buffer, sizeof(buffer)) == 0) 
+        return NS_ERROR_FAILURE;
+
+    nsCAutoString filePath(buffer);
+    nsCAutoString previousFileName(buffer);
+    filePath.Append("\\Mapi32.dll");
+    previousFileName.Append("\\Mapi32_moz_bak.dll");
+
+    nsCOMPtr <nsILocalFile> pCurrentMapiFile = do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv);
+    if (NS_FAILED(rv) || !pCurrentMapiFile) return NS_ERROR_FAILURE;        
+    pCurrentMapiFile->InitWithPath(filePath);
+    
+    nsCOMPtr<nsILocalFile> pPreviousMapiFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv);
+    if (NS_FAILED(rv) || !pPreviousMapiFile) return NS_ERROR_FAILURE;       
+    pPreviousMapiFile->InitWithPath(previousFileName);
+
+    PRBool bExist;
+    rv = pCurrentMapiFile->Exists(&bExist);
+    if (NS_SUCCEEDED(rv) && bExist) {
+        rv = pCurrentMapiFile->Remove(PR_FALSE);
+        if (NS_FAILED(rv)) return rv;
+    }
+
+    rv = pPreviousMapiFile->Exists(&bExist);
+    if (NS_SUCCEEDED(rv) && bExist)
+        rv = pPreviousMapiFile->MoveTo(nsnull, "Mapi32.dll");
+    if (NS_SUCCEEDED(rv))
+        DeleteRegistryValue(HKEY_LOCAL_MACHINE,
+                            "Software\\Mozilla\\Desktop", 
+                            "Mapi_backup_dll");
+    return rv;
+}
+
+/** Sets Mozilla as default Mail Client
+ */
+nsresult setDefaultMailClient()
+{
+    nsresult rv;
+    nsresult mailKeySet=NS_ERROR_FAILURE;
+    if (verifyRestrictedAccess()) return NS_ERROR_FAILURE;
+    if (!isSmartDll()) {
+        if (NS_FAILED(CopyMozMapiToWinSysDir())) return NS_ERROR_FAILURE;
+    }
+    rv = saveDefaultMailClient();
+    if (NS_FAILED(saveUserDefaultMailClient()) ||
+        NS_FAILED(rv)) return NS_ERROR_FAILURE;
+    nsCAutoString keyName("Software\\Clients\\Mail\\");
+
+    nsCAutoString appName(brandName());
+    if (!appName.IsEmpty()) {
+        keyName.Append(appName.get());
+        // hardcoding this for 0.9.4 branch
+        // need to change it before merging into the trunk
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                        (char *)keyName.get(), 
+                        "", "Netscape 6.2 Mail"); 
+    }
+    else
+        rv = NS_ERROR_FAILURE;
+    if (NS_SUCCEEDED(rv)) {
+        nsCAutoString dllPath(thisApplication());
+        PRInt32 index = dllPath.RFind("\\");
+        if (index != kNotFound)
+            dllPath.Truncate(index + 1);
+        dllPath += "mozMapi32.dll";
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            (char *)keyName.get(), "DLLPath", 
+                            (char *)dllPath.get());
+        if (NS_SUCCEEDED(rv)) {
+            keyName.Append("\\protocols\\mailto");
+            rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                (char *)keyName.get(), 
+                                "", "URL:MailTo Protocol");
+            if (NS_SUCCEEDED(rv)) {
+                nsCAutoString appPath(thisApplication());
+                appPath += " \"%1\"";
+                keyName.Append("\\shell\\open\\command");
+                rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                       (char *)keyName.get(), 
+                       "", (char *)appPath.get());
+                if (NS_SUCCEEDED(rv)) {
+                    rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                        "Software\\Clients\\Mail", 
+                                        "", (char *)appName.get());
+                }
+                if (NS_SUCCEEDED(rv)) {
+                    nsCAutoString mailAppPath(thisApplication());
+                    mailAppPath += " -mail";
+                    nsCAutoString appKeyName ("Software\\Clients\\Mail\\");
+                    appKeyName.Append(appName.get());
+                    appKeyName.Append("\\shell\\open\\command");
+                    rv = SetRegistryKey(HKEY_LOCAL_MACHINE,
+                                        (char *)appKeyName.get(),
+                                        "", (char *)mailAppPath.get());
+                }
+                if (NS_SUCCEEDED(rv)) {
+                    nsCAutoString iconPath(thisApplication());
+                    iconPath += ",0";
+                    nsCAutoString iconKeyName ("Software\\Clients\\Mail\\");
+                    iconKeyName.Append(appName.get());
+                    iconKeyName.Append("\\DefaultIcon");
+                    mailKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE,
+                                        (char *)iconKeyName.get(),
+                                        "", (char *)iconPath.get());
+                }
+            }            
+        }
+    }
+
+    if (NS_SUCCEEDED(mailKeySet)) {
+        nsresult desktopKeySet = SetRegistryKey(HKEY_CURRENT_USER, 
+                                                "Software\\Clients\\Mail",
+                                                "", (char *)appName.get());
+        if (NS_SUCCEEDED(desktopKeySet)) {
+            desktopKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                           "Software\\Mozilla\\Desktop", 
+                                           "defaultMailHasBeenSet", "1");
+        }
+        ::SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, 
+                     (LPARAM)"Software\\Clients\\Mail");
+        RegisterServer(CLSID_nsMapiImp, "Mozilla MAPI", "mozMapi", "mozMapi.1");
+        return desktopKeySet;
+    }
+    
+    return mailKeySet;
+}
+
+/** Removes Mozilla as the default Mail client and restores the previous setting
+ */
+nsresult unsetDefaultMailClient() {
+    nsresult result = NS_OK;
+    nsresult mailKeySet = NS_ERROR_FAILURE;
+    if (verifyRestrictedAccess()) return NS_ERROR_FAILURE;
+    if (!isSmartDll()) {
+        if (NS_FAILED(RestoreBackedUpMapiDll())) return NS_ERROR_FAILURE;
+    }
+    nsCAutoString name(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                      "Software\\Mozilla\\Desktop", 
+                                      "HKEY_LOCAL_MACHINE\\Software\\Clients\\Mail"));
+    nsCAutoString appName(brandName());
+
+    if (!name.IsEmpty() && !appName.IsEmpty() && name.Equals(appName)) {
+        nsCAutoString keyName("HKEY_LOCAL_MACHINE\\Software\\Clients\\Mail\\");
+        keyName.Append(appName.get());
+        keyName.Append("\\protocols\\mailto\\shell\\open\\command");
+        nsCAutoString appPath(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                        "Software\\Mozilla\\Desktop", 
+                        (char *)keyName.get()));
+        if (!appPath.IsEmpty()) {
+            keyName.Assign("Software\\Clients\\Mail\\");
+            keyName.Append(appName.get());
+            keyName.Append("\\protocols\\mailto\\shell\\open\\command");
+            result = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                       (char *) keyName.get(), 
+                       "", (char *)appPath.get());
+            if (NS_SUCCEEDED(result)) {
+                PRInt32 index = appPath.RFind("\\");
+                if (index != kNotFound)
+                    appPath.Truncate(index + 1);
+                appPath += "mozMapi32.dll";
+                keyName.Assign("Software\\Clients\\Mail\\");
+                keyName.Append(appName.get());
+                result = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                        (char *)keyName.get(), 
+                                        "DLLPath", (char *) appPath.get());
+            }
+        }
+    }
+    if (!name.IsEmpty()) {
+        if (NS_SUCCEEDED(result)) {
+            mailKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                "Software\\Clients\\Mail", 
+                                "", (char *)name.get());
+        }
+    }
+    else
+        mailKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                "Software\\Clients\\Mail", 
+                                "", "");
+
+    if (NS_SUCCEEDED(mailKeySet)) {
+        nsCAutoString userAppName(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                  "Software\\Mozilla\\Desktop", 
+                                  "HKEY_CURRENT_USER\\Software\\Clients\\Mail"));
+        nsresult desktopKeySet = NS_OK;
+        if (!userAppName.IsEmpty()) {
+            desktopKeySet = SetRegistryKey(HKEY_CURRENT_USER, 
+                                           "Software\\Clients\\Mail", 
+                                           "", (char *)userAppName.get());
+        }
+        else {
+            DeleteRegistryValue(HKEY_CURRENT_USER, "Software\\Clients\\Mail", "");
+        }
+        if (NS_SUCCEEDED(desktopKeySet)) {
+            desktopKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                           "Software\\Mozilla\\Desktop", 
+                                           "defaultMailHasBeenSet", "0");
+        }
+        ::SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, 
+                     (LPARAM)"Software\\Clients\\Mail");
+        UnregisterServer(CLSID_nsMapiImp, "mozMapi", "mozMapi.1");
+        return desktopKeySet;
+    }
+    return mailKeySet;
+}
+
+/** Returns FALSE if showMapiDialog is set to 0.
+ *  Returns TRUE otherwise
+ *  Also returns TRUE if the Mozilla has been set as the default mail client
+ *  and some other application has changed that setting.
+ *  This function gets called only if the current app is not the default mail
+ *  client
+ */
+PRBool getShowDialog() {
+    PRBool rv = PR_FALSE;
+    nsCString showDialog(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                        "Software\\Mozilla\\Desktop", 
+                                        "showMapiDialog"));
+    // if the user has not selected the checkbox, show dialog 
+    if (showDialog.IsEmpty() || showDialog.Equals("1"))
+            rv = PR_TRUE;
+
+    if (!rv) {
+        // even if the user has selected the checkbox
+        // show it if some other application has changed the 
+        // default setting.
+        nsCAutoString setMailDefault(GetRegistryKey(HKEY_LOCAL_MACHINE,
+                                       "Software\\Mozilla\\Desktop", 
+                                       "defaultMailHasBeenSet"));
+        if (setMailDefault.Equals("1")) {
+            // need to reset the defaultMailHasBeenSet to "0"
+            // so that after the dialog is displayed once,
+            // we do not keep displaying this dialog after the user has
+            // selected the checkbox
+            rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                "Software\\Mozilla\\Desktop", 
+                                "defaultMailHasBeenSet", "0");
+            rv = PR_TRUE;
+        }
+    }
+    return rv;
+}
--- a/mozilla/mailnews/mapi/mapihook/src/nsMapiRegistryUtils.h
+++ b/mozilla/mailnews/mapi/mapihook/src/nsMapiRegistryUtils.h
@@ -0,0 +1,90 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsmapiregistryutils_h____
+#define nsmapiregistryutils_h____
+
+#include <windows.h>
+#include <string.h>
+#include <winreg.h>
+
+#include "Registry.h"
+#include "nsString.h"
+
+//Sets the registry key for basekey/keyname valuename.
+nsresult SetRegistryKey(HKEY baseKey, const char * keyName, 
+                        const char * valueName, char * value);
+
+// Deletes the registry key for base/keyname/valuename
+nsresult DeleteRegistryValue(HKEY baseKey, const char * keyName, 
+                        const char * valueName);
+
+// Gets the current regiistry setting for the key.
+nsCString GetRegistryKey(HKEY baseKey, const char * keyName, 
+                         const char * valueName);
+// Returns PR_TRUE if this user only has restricted access
+// to the registry keys we need to modify.
+PRBool verifyRestrictedAccess();
+
+// Returns true if mozilla is the default mail client
+// by checking the registry.
+PRBool IsDefaultMailClient();
+
+// Save the current setting for the default mail client.
+nsresult saveDefaultMailClient();
+
+// Saves the current user setting for the default mail client.
+nsresult saveUserDefaultMailClient();
+
+// Renames Mapi32.dl in system directory to Mapi32_moz_bak.dll
+// copies the mozMapi32.dll from bin directory to the system directory
+nsresult CopyMozMapiToWinSysDir();
+
+// deletes the Mapi32.dll in system directory and renames Mapi32_moz_bak.dll
+//  to Mapi32.dll
+nsresult RestoreBackedUpMapiDll();
+
+// Sets mozilla as the default mail client	
+nsresult setDefaultMailClient();
+
+// unsets mozilla and resets the default mail client setting to previous one
+nsresult unsetDefaultMailClient();
+
+// returns true if we need to show the mail integration dialog.
+PRBool getShowDialog();
+
+#endif
--- a/mozilla/mailnews/mapi/registry/makefile.win
+++ b/mozilla/mailnews/mapi/registry/makefile.win
@@ -0,0 +1,42 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+# Srilatha Moturi <srilatha@netscape.com>
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+DEPTH=..\..\..
+
+DIRS=public src
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/mailnews/mapi/registry/public/makefile.win
+++ b/mozilla/mailnews/mapi/registry/public/makefile.win
@@ -0,0 +1,48 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+# Srilatha Moturi <srilatha@netscape.com>
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+DEPTH=..\..\..\..
+
+MODULE=nsMapiRegistry
+XPIDL_MODULE=mapiregistry
+
+XPIDLSRCS =	\
+           .\nsIMapiRegistry.idl \
+            $(NULL)
+
+include <$(DEPTH)\config\rules.mak>
+
--- a/mozilla/mailnews/mapi/registry/public/nsIMapiRegistry.idl
+++ b/mozilla/mailnews/mapi/registry/public/nsIMapiRegistry.idl
@@ -0,0 +1,78 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsISupports.idl"
+
+interface nsIDOMWindow;
+
+/**
+ * This interface provides support for registering Mozilla as the default
+ * Mail Client. This interface can also be used to get/set the user preference
+ * for the default Mail Client.
+ * 
+ */
+[scriptable, uuid(c5be14ba-4e0a-4eec-a1b8-04363761d63c)]
+interface nsIMapiRegistry: nsISupports {
+
+   /** This is set to TRUE if Mozilla is the default Application
+    */
+   readonly attribute boolean isDefaultMailClient;
+
+   /** This is set TRUE only once per session.
+    */
+   readonly attribute boolean showDialog;
+
+   /** This will update the registry keys to set Mozilla as default Mail Client.
+    */
+   void setDefaultMailClient();
+
+   /** This will reset the registry keys for the default Mail Client.
+    */
+   void unsetDefaultMailClient();
+
+   /** This will bring the dialog asking the user if he/she wants to set
+    * Mozilla as default Mail Client.
+    * Call this only if Mozilla is not the default Mail client
+    */
+   void showMailIntegrationDialog(in nsIDOMWindow parentWindow);
+   
+};
+
+%{C++
+#define NS_IMAPIWINHOOK_CONTRACTID    "@mozilla.org/mapiregistry;1"
+#define NS_IMAPIWINHOOK_CLASSNAME "Mozilla MAPI Registry"
+%}
--- a/mozilla/mailnews/mapi/registry/src/Registry.cpp
+++ b/mozilla/mailnews/mapi/registry/src/Registry.cpp
@@ -0,0 +1,321 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Krishna Mohan Khandrika <kkhandrika@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <objbase.h>
+#include <assert.h>
+#include "nsString.h"
+#include "Registry.h"
+
+#define MAPI_PROXY_DLL_NAME   "MapiProxy.dll"
+#define MAPI_STARTUP_ARG      " /MAPIStartUp"
+#define MAX_SIZE              2048
+
+// Size of a CLSID as a string
+const int CLSID_STRING_SIZE = 39;
+
+// Proxy/Stub Dll Routines
+
+typedef HRESULT (__stdcall ProxyServer)();
+
+
+// Convert a CLSID to a char string.
+
+BOOL CLSIDtochar(const CLSID& clsid, char* szCLSID,
+                 int length)
+{
+    LPOLESTR wszCLSID = NULL;
+
+    // Get CLSID
+    HRESULT hr = StringFromCLSID(clsid, &wszCLSID);
+    if (FAILED(hr))
+        return FALSE;
+
+    // Covert from wide characters to non-wide.
+    wcstombs(szCLSID, wszCLSID, length);
+
+    // Free memory.
+    CoTaskMemFree(wszCLSID);
+
+    return TRUE;
+}
+
+// Create a key and set its value.
+
+BOOL setKeyAndValue(nsCAutoString keyName, const char* subKey,
+                    const char* theValue)
+{
+    HKEY hKey;
+    BOOL retValue = TRUE;
+
+    nsCAutoString theKey(keyName);
+    if (subKey != NULL)
+    {
+        theKey += "\\";
+        theKey += subKey;
+    }
+
+    // Create and open key and subkey.
+    long lResult = RegCreateKeyEx(HKEY_CLASSES_ROOT, theKey.get(), 
+                                  0, NULL, REG_OPTION_NON_VOLATILE,
+                                  KEY_ALL_ACCESS, NULL, &hKey, NULL);
+    if (lResult != ERROR_SUCCESS)
+        return FALSE ;
+
+    // Set the Value.
+    if (theValue != NULL)
+    {
+       lResult = RegSetValueEx(hKey, NULL, 0, REG_SZ, (BYTE *)theValue, 
+                      strlen(theValue)+1);
+       if (lResult != ERROR_SUCCESS)
+           retValue = FALSE;
+    }
+
+    RegCloseKey(hKey);
+    return TRUE;
+}
+
+// Delete a key and all of its descendents.
+
+LONG recursiveDeleteKey(HKEY hKeyParent,           // Parent of key to delete
+                        const char* lpszKeyChild)  // Key to delete
+{
+    // Open the child.
+    HKEY hKeyChild ;
+    LONG lRes = RegOpenKeyEx(hKeyParent, lpszKeyChild, 0,
+                             KEY_ALL_ACCESS, &hKeyChild) ;
+    if (lRes != ERROR_SUCCESS)
+    {
+        return lRes ;
+    }
+
+    // Enumerate all of the decendents of this child.
+    FILETIME time ;
+    char szBuffer[MAX_SIZE] ;
+    DWORD dwSize = MAX_SIZE ;
+    while (RegEnumKeyEx(hKeyChild, 0, szBuffer, &dwSize, NULL,
+                        NULL, NULL, &time) == S_OK)
+    {
+        // Delete the decendents of this child.
+        lRes = recursiveDeleteKey(hKeyChild, szBuffer) ;
+        if (lRes != ERROR_SUCCESS)
+        {
+            // Cleanup before exiting.
+            RegCloseKey(hKeyChild) ;
+            return lRes;
+        }
+        dwSize = MAX_SIZE;
+    }
+
+    // Close the child.
+    RegCloseKey(hKeyChild) ;
+
+    // Delete this child.
+    return RegDeleteKey(hKeyParent, lpszKeyChild) ;
+}
+
+void RegisterProxy()
+{
+    HINSTANCE h = NULL;
+    ProxyServer *RegisterFunc = NULL;
+
+    char szModule[MAX_SIZE];
+    char *pTemp = NULL;
+
+    HMODULE hModule = GetModuleHandle(NULL);
+    DWORD dwResult  = ::GetModuleFileName(hModule, szModule,
+                                          sizeof(szModule)/sizeof(char));
+    if (dwResult == 0)
+        return;
+
+    pTemp = strrchr(szModule, '\\');
+    if (pTemp == NULL)
+        return;
+
+    *pTemp = '\0';
+    nsCAutoString proxyPath(szModule);
+
+    proxyPath += "\\";
+    proxyPath += MAPI_PROXY_DLL_NAME;
+
+    h = LoadLibrary(proxyPath.get());
+    if (h == NULL)
+        return;
+
+    RegisterFunc = (ProxyServer *) GetProcAddress(h, "DllRegisterServer");
+    if (RegisterFunc)
+        RegisterFunc();
+
+    FreeLibrary(h);
+}
+
+void UnRegisterProxy()
+{
+    HINSTANCE h = NULL;
+    ProxyServer *UnRegisterFunc = NULL;
+
+    char szModule[MAX_SIZE];
+    char *pTemp = NULL;
+
+    HMODULE hModule = GetModuleHandle(NULL);
+    DWORD dwResult  = ::GetModuleFileName(hModule, szModule,
+                                          sizeof(szModule)/sizeof(char));
+    if (dwResult == 0)
+        return;
+
+    pTemp = strrchr(szModule, '\\');
+    if (pTemp == NULL)
+        return;
+
+    *pTemp = '\0';
+    nsCAutoString proxyPath(szModule);
+
+    proxyPath += "\\";
+    proxyPath += MAPI_PROXY_DLL_NAME;
+
+    h = LoadLibrary(proxyPath.get());
+    if (h == NULL)
+        return;
+
+    UnRegisterFunc = (ProxyServer *) GetProcAddress(h, "DllUnregisterServer");
+    if (UnRegisterFunc)
+        UnRegisterFunc();
+
+    FreeLibrary(h);
+}
+
+// Register the component in the registry.
+
+HRESULT RegisterServer(const CLSID& clsid,         // Class ID
+                       const char* szFriendlyName, // Friendly Name
+                       const char* szVerIndProgID, // Programmatic
+                       const char* szProgID)       //   IDs
+{
+    HMODULE hModule = GetModuleHandle(NULL);
+    char szModuleName[MAX_SIZE];
+    char szCLSID[CLSID_STRING_SIZE];
+
+    nsCAutoString independentProgId(szVerIndProgID);
+    nsCAutoString progId(szProgID);
+
+    DWORD dwResult = ::GetModuleFileName(hModule, szModuleName,
+                              sizeof(szModuleName)/sizeof(char));
+
+    if (dwResult == 0)
+        return S_FALSE;
+
+    nsCAutoString moduleName(szModuleName);
+    nsCAutoString registryKey("CLSID\\");
+
+    moduleName += MAPI_STARTUP_ARG;
+
+    // Convert the CLSID into a char.
+
+    if (!CLSIDtochar(clsid, szCLSID, sizeof(szCLSID)))
+        return S_FALSE;
+    registryKey += szCLSID;
+
+    // Add the CLSID to the registry.
+    if (!setKeyAndValue(registryKey, NULL, szFriendlyName))
+        return S_FALSE;
+
+    if (!setKeyAndValue(registryKey, "LocalServer32", moduleName.get()))
+        return S_FALSE;
+
+    // Add the ProgID subkey under the CLSID key.
+    if (!setKeyAndValue(registryKey, "ProgID", szProgID))
+        return S_FALSE;
+
+    // Add the version-independent ProgID subkey under CLSID key.
+    if (!setKeyAndValue(registryKey, "VersionIndependentProgID", szVerIndProgID))
+        return S_FALSE;
+
+    // Add the version-independent ProgID subkey under HKEY_CLASSES_ROOT.
+    if (!setKeyAndValue(independentProgId, NULL, szFriendlyName))
+        return S_FALSE; 
+    if (!setKeyAndValue(independentProgId, "CLSID", szCLSID))
+        return S_FALSE;
+    if (!setKeyAndValue(independentProgId, "CurVer", szProgID))
+        return S_FALSE;
+
+    // Add the versioned ProgID subkey under HKEY_CLASSES_ROOT.
+    if (!setKeyAndValue(progId, NULL, szFriendlyName))
+        return S_FALSE; 
+    if (!setKeyAndValue(progId, "CLSID", szCLSID))
+        return S_FALSE;
+
+    RegisterProxy();
+
+    return S_OK;
+}
+
+LONG UnregisterServer(const CLSID& clsid,         // Class ID
+                      const char* szVerIndProgID, // Programmatic
+                      const char* szProgID)       //   IDs
+{
+    LONG lResult = S_OK;
+
+    // Convert the CLSID into a char.
+
+    char szCLSID[CLSID_STRING_SIZE];
+    if (!CLSIDtochar(clsid, szCLSID, sizeof(szCLSID)))
+        return S_FALSE;
+
+    UnRegisterProxy();
+
+    nsCAutoString registryKey("CLSID\\");
+    registryKey += szCLSID;
+
+    lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, registryKey.get());
+    if (lResult == ERROR_SUCCESS || lResult == ERROR_FILE_NOT_FOUND)
+        return lResult;
+
+    registryKey += "\\LocalServer32";
+
+    // Delete only the path for this server.
+
+    lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, registryKey.get());
+    if (lResult != ERROR_SUCCESS && lResult != ERROR_FILE_NOT_FOUND)
+        return lResult;
+
+    // Delete the version-independent ProgID Key.
+    lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, szVerIndProgID);
+    if (lResult != ERROR_SUCCESS && lResult != ERROR_FILE_NOT_FOUND)
+        return lResult;
+
+    lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, szProgID);
+
+    return lResult;
+}
--- a/mozilla/mailnews/mapi/registry/src/Registry.h
+++ b/mozilla/mailnews/mapi/registry/src/Registry.h
@@ -0,0 +1,57 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Krishna Mohan Khandrika <kkhandrika@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef _REGISTRY_H_
+#define _REGISTRY_H_
+
+#include <objbase.h>
+#include <assert.h>
+
+// This function will register a component in the Registry.
+
+HRESULT RegisterServer(const CLSID& clsid, 
+                       const char* szFriendlyName,
+                       const char* szVerIndProgID,
+                       const char* szProgID) ;
+
+// This function will unregister a component.
+
+HRESULT UnregisterServer(const CLSID& clsid,
+                         const char* szVerIndProgID,
+                         const char* szProgID) ;
+
+#endif
--- a/mozilla/mailnews/mapi/registry/src/makefile.win
+++ b/mozilla/mailnews/mapi/registry/src/makefile.win
@@ -0,0 +1,72 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+# Srilatha Moturi <srilatha@netscape.com>
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+DEPTH=..\..\..\..
+
+MODULE=nsMapiRegistry
+MAKE_OBJ_TYPE = DLL
+LIBRARY_NAME=$(MODULE)
+MODULE_NAME=nsMapiRegistry
+
+
+CPPSRCS= \
+	nsMapiRegistry.cpp	\
+	Registry.cpp        \
+	nsMapiRegistryUtils.cpp  \
+	$(NULL)
+
+CPP_OBJS=	\
+	.\$(OBJDIR)\nsMapiRegistry.obj	\
+	.\$(OBJDIR)\Registry.obj        \
+	.\$(OBJDIR)\nsMapiRegistryUtils.obj \
+	$(NULL)
+
+LLIBS=                               \
+ $(DIST)\lib\xpcom.lib               \
+ $(LIBNSPR)                          \
+ $(NULL)
+
+WIN_LIBS=       \
+	ole32.lib   \
+    $(NULL)
+EXPORTS=	\
+	nsMapiRegistry.h		\
+	Registry.h              \
+	nsMapiRegistryUtils.h   \
+	$(NULL)
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/mailnews/mapi/registry/src/nsMapiRegistry.cpp
+++ b/mozilla/mailnews/mapi/registry/src/nsMapiRegistry.cpp
@@ -0,0 +1,252 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+ 
+#include "nsIServiceManager.h"
+#include "nsMapiRegistry.h"
+#include "nsIGenericFactory.h"
+#include "nsXPIDLString.h"
+#include "nsIPromptService.h"
+#include "nsIStringBundle.h"
+#include "nsIProxyObjectManager.h"
+#include "nsProxiedService.h"
+
+#include "nsMapiRegistryUtils.h" 
+#include "nsString.h"
+
+static NS_DEFINE_CID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID);
+
+nsresult ShowMapiErrorDialog();
+
+/** Implementation of the nsIMapiRegistry interface.
+ *  Use standard implementation of nsISupports stuff.
+ */
+NS_IMPL_ISUPPORTS1(nsMapiRegistry, nsIMapiRegistry);
+
+nsMapiRegistry::nsMapiRegistry() {
+    NS_INIT_ISUPPORTS();
+    m_ShowDialog = !verifyRestrictedAccess();
+    m_DefaultMailClient = IsDefaultMailClient();
+}
+
+nsMapiRegistry::~nsMapiRegistry() {
+}
+
+NS_IMETHODIMP
+nsMapiRegistry::GetIsDefaultMailClient(PRBool * retval) {
+    // we need to get the value from registry everytime
+    // because the registry settings can be changed from
+    // other mail applications.
+    *retval = IsDefaultMailClient();
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMapiRegistry::GetShowDialog(PRBool * retval) {
+    *retval = m_ShowDialog;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMapiRegistry::SetDefaultMailClient() {
+    nsresult rv = setDefaultMailClient();
+    if (NS_SUCCEEDED(rv))
+        m_DefaultMailClient = PR_TRUE;
+    else
+       rv = ShowMapiErrorDialog();
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMapiRegistry::UnsetDefaultMailClient() {
+    nsresult rv = unsetDefaultMailClient();
+    if (NS_SUCCEEDED(rv))
+        m_DefaultMailClient = PR_FALSE;
+    else
+        ShowMapiErrorDialog();
+    return NS_OK;
+}
+
+/** This will bring up the dialog box only once per session and 
+ * only if the current app is not default Mail Client.
+ * This also checks the registry if the registry key
+ * showMapiDialog is set
+ */
+NS_IMETHODIMP
+nsMapiRegistry::ShowMailIntegrationDialog(nsIDOMWindow *aParentWindow) {
+    nsresult rv;
+    if (!m_ShowDialog || !getShowDialog()) return NS_OK;
+    nsCOMPtr<nsIPromptService> promptService(do_GetService(
+                  "@mozilla.org/embedcomp/prompt-service;1", &rv));
+    if (NS_SUCCEEDED(rv) && promptService)
+    {
+        nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(
+                                         kStringBundleServiceCID, &rv));
+        if (NS_FAILED(rv) || !bundleService) return NS_ERROR_FAILURE;
+
+        nsCOMPtr<nsIStringBundle> bundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://messenger/locale/mapi.properties",
+                        getter_AddRefs(bundle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsCOMPtr<nsIStringBundle> brandBundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://global/locale/brand.properties",
+                        getter_AddRefs(brandBundle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString brandName;
+        rv = brandBundle->GetStringFromName(
+                           NS_LITERAL_STRING("brandShortName").get(),
+                           getter_Copies(brandName));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString dialogTitle;
+        const PRUnichar *brandStrings[] = { brandName.get() };
+        NS_NAMED_LITERAL_STRING(dialogTitlePropertyTag, "dialogTitle");
+        const PRUnichar *dTitlepropertyTag = dialogTitlePropertyTag.get();
+        rv = bundle->FormatStringFromName(dTitlepropertyTag,
+                                          brandStrings, 1,
+                                          getter_Copies(dialogTitle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+        
+        nsXPIDLString dialogText;
+        NS_NAMED_LITERAL_STRING(dialogTextPropertyTag, "dialogText");
+        const PRUnichar *dpropertyTag = dialogTextPropertyTag.get();
+        rv = bundle->FormatStringFromName(dpropertyTag,
+                                          brandStrings, 1,
+                                          getter_Copies(dialogText));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString checkboxText;
+        rv = bundle->GetStringFromName(
+                           NS_LITERAL_STRING("checkboxText").get(),
+                           getter_Copies(checkboxText));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        PRBool checkValue = PR_FALSE;
+        PRInt32 buttonPressed = 0;
+        rv = promptService->ConfirmEx(aParentWindow,
+                                      dialogTitle,
+                                      dialogText.get(),
+                                      (nsIPromptService::BUTTON_TITLE_YES * 
+                                      nsIPromptService::BUTTON_POS_0) +
+                                      (nsIPromptService::BUTTON_TITLE_NO * 
+                                      nsIPromptService::BUTTON_POS_1),
+                                      nsnull,
+                                      nsnull,
+                                      nsnull,
+                                      checkboxText,
+                                      &checkValue,
+                                      &buttonPressed);
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, "Software\\Mozilla\\Desktop", 
+                                "showMapiDialog", (checkValue) ? "0" : "1");
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        m_ShowDialog = PR_FALSE;
+        if (!buttonPressed)
+            rv = SetDefaultMailClient();
+    }
+    return rv;
+}
+
+nsresult ShowMapiErrorDialog() {
+    nsresult rv;
+    nsCOMPtr<nsIPromptService> promptService(do_GetService(
+                  "@mozilla.org/embedcomp/prompt-service;1", &rv));
+    if (NS_SUCCEEDED(rv) && promptService)
+    {
+        nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(
+                                         kStringBundleServiceCID, &rv));
+        if (NS_FAILED(rv) || !bundleService) return NS_ERROR_FAILURE;
+
+        nsCOMPtr<nsIStringBundle> bundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://messenger/locale/mapi.properties",
+                        getter_AddRefs(bundle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsCOMPtr<nsIStringBundle> brandBundle;
+        rv = bundleService->CreateBundle(
+                        "chrome://global/locale/brand.properties",
+                        getter_AddRefs(brandBundle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString brandName;
+        rv = brandBundle->GetStringFromName(
+                           NS_LITERAL_STRING("brandShortName").get(),
+                           getter_Copies(brandName));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+
+        nsXPIDLString dialogTitle;
+        const PRUnichar *brandStrings[] = { brandName.get() };
+        NS_NAMED_LITERAL_STRING(dialogTitlePropertyTag, "errorMessageTitle");
+        const PRUnichar *dTitlepropertyTag = dialogTitlePropertyTag.get();
+        rv = bundle->FormatStringFromName(dTitlepropertyTag,
+                                          brandStrings, 1,
+                                          getter_Copies(dialogTitle));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+        nsXPIDLString dialogText;
+        NS_NAMED_LITERAL_STRING(dialogTextPropertyTag, "errorMessage");
+        const PRUnichar *dpropertyTag = dialogTextPropertyTag.get();
+        rv = bundle->FormatStringFromName(dpropertyTag,
+                                          brandStrings, 1,
+                                          getter_Copies(dialogText));
+        if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
+        rv = promptService->Alert(nsnull, dialogTitle,
+                                  dialogText);
+    }
+    return rv;
+}
+
+
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsMapiRegistry);
+
+// The list of components we register
+static nsModuleComponentInfo components[] = 
+{
+  {
+    NS_IMAPIREGISTRY_CLASSNAME, 
+    NS_IMAPIREGISTRY_CID,
+    NS_IMAPIWINHOOK_CONTRACTID, 
+    nsMapiRegistryConstructor
+  }
+};
+
+NS_IMPL_NSGETMODULE(nsMapiRegistryModule, components);
+
--- a/mozilla/mailnews/mapi/registry/src/nsMapiRegistry.h
+++ b/mozilla/mailnews/mapi/registry/src/nsMapiRegistry.h
@@ -0,0 +1,73 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsmapiregistry_h____
+#define nsmapiregistry_h____
+
+#include "nsIMapiRegistry.h"
+
+#ifndef MAX_BUF
+#define MAX_BUF 4096
+#endif
+
+/* c5be14ba-4e0a-4eec-a1b8-04363761d63c */
+#define NS_IMAPIREGISTRY_CID \
+ { 0xc5be14ba, 0x4e0a, 0x4eec, {0xa1, 0xb8, 0x04, 0x36, 0x37, 0x61, 0xd6, 0x3c} }
+#define NS_IMAPIREGISTRY_CONTRACTID    "@mozilla.org/mapiregistry;1"
+#define NS_IMAPIREGISTRY_CLASSNAME "Mozilla MAPI Registry"
+
+class nsMapiRegistry : public nsIMapiRegistry {
+public:
+    // ctor/dtor
+    nsMapiRegistry();
+    virtual ~nsMapiRegistry();
+
+    // Declare all interface methods we must implement.
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIMAPIREGISTRY
+
+protected:
+    
+    PRBool m_DefaultMailClient;
+    PRBool m_ShowDialog;
+
+private:
+    // Special member to handle initialization.
+    PRBool mHaveBeenSet;
+}; // nsMapiRegistry
+
+#endif // nsmapiregistry_h____
--- a/mozilla/mailnews/mapi/registry/src/nsMapiRegistryUtils.cpp
+++ b/mozilla/mailnews/mapi/registry/src/nsMapiRegistryUtils.cpp
@@ -0,0 +1,652 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#undef UNICODE
+#undef _UNICODE
+
+#include "nsIServiceManager.h"
+#include "nsMapiRegistryUtils.h"
+#include "nsString.h"
+#include "nsIStringBundle.h"
+#include "nsXPIDLString.h"
+#include "nsSpecialSystemDirectory.h"
+#include "nsDirectoryService.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsAppDirectoryServiceDefs.h"
+
+// returns TRUE if the Mapi32.dll is smart dll.
+static PRBool isSmartDll();
+
+// returns TRUE if the Mapi32.dll is a Mozilla dll.
+static PRBool isMozDll();
+
+static NS_DEFINE_CID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID);
+const CLSID CLSID_nsMapiImp = {0x29f458be, 0x8866, 0x11d5, {0xa3, 0xdd, 0x0, 0xb0, 0xd0, 0xf3, 0xba, 0xa7}};
+
+// Returns the (fully-qualified) name of this executable.
+static nsCString thisApplication() {
+    static nsCAutoString result;
+
+    if (result.IsEmpty()) {
+        char buffer[MAX_PATH] = {0};
+        DWORD len = ::GetModuleFileName(NULL, buffer, sizeof buffer);
+        len = ::GetShortPathName(buffer, buffer, sizeof buffer);
+    
+        result = buffer;
+        result.ToUpperCase();
+    }
+
+    return result;
+}
+
+/** This returns the brand name for this application
+  */
+static nsCString brandName() {
+    static nsCAutoString brand;
+    nsresult rv;
+    if (brand.IsEmpty()) {
+        nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(
+                                         kStringBundleServiceCID, &rv));
+        if (NS_SUCCEEDED(rv) && bundleService) {
+            nsCOMPtr<nsIStringBundle> brandBundle;
+            rv = bundleService->CreateBundle(
+                        "chrome://global/locale/brand.properties",
+                        getter_AddRefs(brandBundle));
+            if (NS_SUCCEEDED(rv)) {
+                nsXPIDLString brandName;
+                rv = brandBundle->GetStringFromName(
+                           NS_LITERAL_STRING("brandShortName").get(),
+                           getter_Copies(brandName));
+                if (NS_SUCCEEDED(rv)) {
+                    brand.AssignWithConversion(brandName.get());
+                }
+            }
+        }
+    }
+    return brand;
+}
+
+// verifyRestrictedAccess - Returns PR_TRUE if this user only has restricted access
+// to the registry keys we need to modify.
+PRBool verifyRestrictedAccess() {
+    char   subKey[] = "Software\\Mozilla - Test Key";
+    PRBool result = PR_FALSE;
+    DWORD  dwDisp = 0;
+    HKEY   key;
+    // Try to create/open a subkey under HKLM.
+    DWORD rc = ::RegCreateKeyEx(HKEY_LOCAL_MACHINE,
+                                subKey,
+                                0,
+                                NULL,
+                                REG_OPTION_NON_VOLATILE,
+                                KEY_WRITE,
+                                NULL,
+                                &key,
+                                &dwDisp);
+
+    if (rc == ERROR_SUCCESS) {
+        // Key was opened; first close it.
+        ::RegCloseKey(key);
+        // Delete it if we just created it.
+        switch(dwDisp) {
+            case REG_CREATED_NEW_KEY:
+                ::RegDeleteKey(HKEY_LOCAL_MACHINE, subKey);
+                break;
+            case REG_OPENED_EXISTING_KEY:
+                break;
+        }
+    } else {
+        // Can't create/open it; we don't have access.
+        result = PR_TRUE;
+    }
+    return result;
+}
+
+nsresult SetRegistryKey(HKEY baseKey, const char * keyName, 
+                        const char * valueName, char * value)
+{
+    nsresult result = NS_ERROR_FAILURE;
+    HKEY   key;
+    LONG   rc = ::RegCreateKey(baseKey, keyName, &key);
+  
+    if (rc == ERROR_SUCCESS) {
+        rc = ::RegSetValueEx(key, valueName, NULL, REG_SZ, 
+                                 (LPBYTE)(const char*)value, strlen(value));
+        if (rc == ERROR_SUCCESS) {
+            result = NS_OK;
+        }
+        ::RegCloseKey(key);
+    }
+    return result;
+}
+
+nsresult DeleteRegistryValue(HKEY baseKey, const char * keyName, 
+                        const char * valueName)
+{
+    nsresult result = NS_ERROR_FAILURE;
+    HKEY   key;
+    LONG   rc = ::RegOpenKey(baseKey, keyName, &key);
+  
+    if (rc == ERROR_SUCCESS) {
+        rc = ::RegDeleteValue(key, valueName);
+        if (rc == ERROR_SUCCESS)
+            result = NS_OK;
+        ::RegCloseKey(key);
+    }
+    return result;
+}
+
+nsCString GetRegistryKey(HKEY baseKey, const char * keyName, 
+                         const char * valueName)
+{
+    nsCAutoString value;
+    HKEY   key;
+    LONG   rc = ::RegOpenKey(baseKey, keyName, &key);
+    if (rc == ERROR_SUCCESS) {
+        char buffer[MAX_PATH] = {0};
+        DWORD len = sizeof buffer;
+        rc = ::RegQueryValueEx(key, valueName, NULL, NULL, 
+                               (LPBYTE)buffer, &len);
+        if (rc == ERROR_SUCCESS) {
+            if (len)
+                value = buffer;
+        }
+        ::RegCloseKey(key);
+     }
+     return value;
+}
+
+#define EXE_EXTENSION ".exe" 
+
+/** Returns TRUE if the current application is default mail client.
+ */
+PRBool IsDefaultMailClient()
+{
+    if (!isSmartDll() && !isMozDll()) 
+        return PR_FALSE;
+    nsCAutoString name(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                      "Software\\Clients\\Mail", ""));
+    if (!name.IsEmpty()) {
+         nsCString keyName("Software\\Clients\\Mail\\");
+         keyName += name.get(); 
+         keyName += "\\protocols\\mailto\\shell\\open\\command";
+
+         nsCAutoString result(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                             keyName.get(), ""));
+         if (!result.IsEmpty()) {
+             nsCAutoString strExtension;
+             strExtension.Assign(EXE_EXTENSION);
+             result.ToUpperCase();
+             strExtension.ToUpperCase();
+             PRInt32 index = result.RFind(strExtension.get());
+             if (index != kNotFound) {
+                 result.Truncate(index + strExtension.Length());
+             }
+             return (result == thisApplication());
+        }
+    }
+    return PR_FALSE;
+
+}
+
+/** Saves the current setting of the default Mail Client in 
+ * HKEY_LOCAL_MACHINE\\Software\\Mozilla\\Desktop
+ */
+nsresult saveDefaultMailClient()
+{
+    nsresult rv;
+    nsCAutoString name(GetRegistryKey(HKEY_LOCAL_MACHINE,
+                                    "Software\\Clients\\Mail", ""));
+    if (!name.IsEmpty()) {
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "HKEY_LOCAL_MACHINE\\Software\\Clients\\Mail", 
+                            (char *)name.get());
+        if (NS_SUCCEEDED(rv)) {
+            nsCString keyName("Software\\Clients\\Mail\\");
+            keyName += name.get(); 
+            keyName += "\\protocols\\mailto\\shell\\open\\command";
+            nsCAutoString appPath(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                               keyName.get(), ""));
+            if (!appPath.IsEmpty()) {
+                nsCString stringName("HKEY_LOCAL_MACHINE\\");
+                stringName += keyName.get();
+                rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                  "Software\\Mozilla\\Desktop", 
+                                  stringName.get(), (char *)appPath.get());
+            }
+        }
+    }
+    else
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "HKEY_LOCAL_MACHINE\\Software\\Clients\\Mail", 
+                            "");
+    return rv;
+} 
+
+/** Saves the current user setting of the default Mail Client in 
+ * HKEY_LOCAL_MACHINE\\Software\\Mozilla\\Desktop
+ */
+nsresult saveUserDefaultMailClient()
+{
+    nsresult rv;
+    nsCAutoString name(GetRegistryKey(HKEY_CURRENT_USER,
+                                    "Software\\Clients\\Mail", ""));
+    if (!name.IsEmpty()) {
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "HKEY_CURRENT_USER\\Software\\Clients\\Mail", 
+                            (char *)name.get());
+    }
+    else {
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "HKEY_CURRENT_USER\\Software\\Clients\\Mail", 
+                            "");
+   }
+   return rv;
+}
+
+/**
+ * Check whether it is a smart dll or not. Smart dll is the one installed by
+ * IE5 or Outlook Express which forwards the MAPI calls to the dll based on the 
+ * registry key setttings.
+ * Returns TRUE if is a smart dll.
+ */
+
+typedef HRESULT (FAR PASCAL GetOutlookVersionFunc)(); 
+static PRBool isSmartDll() 
+{ 
+    char buffer[MAX_PATH] = {0};
+    if (GetSystemDirectory(buffer, sizeof(buffer)) == 0) 
+        return PR_FALSE;
+    PL_strcatn(buffer, sizeof(buffer), "\\Mapi32.dll");
+    
+    HINSTANCE hInst; 
+    GetOutlookVersionFunc *doesExist = nsnull;
+    hInst = LoadLibrary(buffer); 
+    if (hInst == nsnull) 
+        return PR_FALSE;
+        
+    doesExist = (GetOutlookVersionFunc *) GetProcAddress (hInst, "GetOutlookVersion"); 
+    FreeLibrary(hInst); 
+
+    return (doesExist != nsnull); 
+} 
+
+typedef HRESULT (FAR PASCAL GetMapiDllVersion)(); 
+/**
+ * Checks whether mapi32.dll is installed by this app. 
+ * Returns TRUE if it is.
+ */
+static PRBool isMozDll() 
+{ 
+    char buffer[MAX_PATH] = {0};
+    if (GetSystemDirectory(buffer, sizeof(buffer)) == 0) 
+        return PR_FALSE;
+    PL_strcatn(buffer, sizeof(buffer), "\\Mapi32.dll"); 
+
+    HINSTANCE hInst; 
+    GetMapiDllVersion *doesExist = nsnull;
+    hInst = LoadLibrary(buffer); 
+    if (hInst == nsnull) 
+        return PR_FALSE;
+        
+    doesExist = (GetMapiDllVersion *) GetProcAddress (hInst, "GetMapiDllVersion"); 
+    FreeLibrary(hInst); 
+
+    return (doesExist != nsnull); 
+} 
+
+/** Renames Mapi32.dl in system directory to Mapi32_moz_bak.dll
+ *  copies the mozMapi32.dll from bin directory to the system directory
+ */
+nsresult CopyMozMapiToWinSysDir()
+{
+    nsresult rv;
+    char buffer[MAX_PATH] = {0};
+    if (GetSystemDirectory(buffer, sizeof(buffer)) == 0) 
+        return NS_ERROR_FAILURE;
+
+    nsCAutoString filePath(buffer);
+    filePath.Append("\\Mapi32_moz_bak.dll");
+
+    nsCOMPtr<nsILocalFile> pCurrentMapiFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv);
+    if (NS_FAILED(rv) || !pCurrentMapiFile) return rv;        
+    pCurrentMapiFile->InitWithPath(filePath.get());
+
+    nsCOMPtr<nsIFile> pMozMapiFile;
+    nsCOMPtr<nsIProperties> directoryService =
+          do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
+    if (!directoryService) return NS_ERROR_FAILURE;
+    rv = directoryService->Get(NS_OS_CURRENT_PROCESS_DIR,
+                              NS_GET_IID(nsIFile),
+                              getter_AddRefs(pMozMapiFile));
+
+    if (NS_FAILED(rv)) return rv;
+    pMozMapiFile->Append("mozMapi32.dll");
+
+    PRBool bExist;
+    rv = pMozMapiFile->Exists(&bExist);
+    if (NS_FAILED(rv) || !bExist) return rv;
+
+    rv = pCurrentMapiFile->Exists(&bExist);
+    if (NS_SUCCEEDED(rv) && bExist)
+    {
+        rv = pCurrentMapiFile->Remove(PR_FALSE);
+    }
+    if (NS_FAILED(rv)) return rv;
+    filePath.Assign(buffer);
+    filePath.Append("\\Mapi32.dll");
+    pCurrentMapiFile->InitWithPath(filePath.get());
+    rv = pCurrentMapiFile->Exists(&bExist);
+    if (NS_SUCCEEDED(rv) && bExist)
+    {
+        rv = pCurrentMapiFile->MoveTo(nsnull, "Mapi32_moz_bak.dll");
+        if (NS_FAILED(rv)) return rv;
+        nsCAutoString fullFilePath(buffer);
+        fullFilePath.Append("\\Mapi32_moz_bak.dll");
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            "Software\\Mozilla\\Desktop", 
+                            "Mapi_backup_dll", 
+                            (char *)fullFilePath.get());
+        if (NS_FAILED(rv)) {
+             RestoreBackedUpMapiDll();
+             return rv;
+        }
+    }
+    
+    nsAutoString fileName;
+    fileName.AssignWithConversion("Mapi32.dll");
+    filePath.Assign(buffer);
+    pCurrentMapiFile->InitWithPath(filePath.get());
+    rv = pMozMapiFile->CopyToUnicode(pCurrentMapiFile, fileName.get());
+    if (NS_FAILED(rv))
+        RestoreBackedUpMapiDll();
+    return rv;
+}
+
+/** deletes the Mapi32.dll in system directory and renames Mapi32_moz_bak.dll
+ *  to Mapi32.dll
+ */
+nsresult RestoreBackedUpMapiDll()
+{
+    nsresult rv;
+    char buffer[MAX_PATH] = {0};
+    if (GetSystemDirectory(buffer, sizeof(buffer)) == 0) 
+        return NS_ERROR_FAILURE;
+
+    nsCAutoString filePath(buffer);
+    nsCAutoString previousFileName(buffer);
+    filePath.Append("\\Mapi32.dll");
+    previousFileName.Append("\\Mapi32_moz_bak.dll");
+
+    nsCOMPtr <nsILocalFile> pCurrentMapiFile = do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv);
+    if (NS_FAILED(rv) || !pCurrentMapiFile) return NS_ERROR_FAILURE;        
+    pCurrentMapiFile->InitWithPath(filePath);
+    
+    nsCOMPtr<nsILocalFile> pPreviousMapiFile = do_CreateInstance (NS_LOCAL_FILE_CONTRACTID, &rv);
+    if (NS_FAILED(rv) || !pPreviousMapiFile) return NS_ERROR_FAILURE;       
+    pPreviousMapiFile->InitWithPath(previousFileName);
+
+    PRBool bExist;
+    rv = pCurrentMapiFile->Exists(&bExist);
+    if (NS_SUCCEEDED(rv) && bExist) {
+        rv = pCurrentMapiFile->Remove(PR_FALSE);
+        if (NS_FAILED(rv)) return rv;
+    }
+
+    rv = pPreviousMapiFile->Exists(&bExist);
+    if (NS_SUCCEEDED(rv) && bExist)
+        rv = pPreviousMapiFile->MoveTo(nsnull, "Mapi32.dll");
+    if (NS_SUCCEEDED(rv))
+        DeleteRegistryValue(HKEY_LOCAL_MACHINE,
+                            "Software\\Mozilla\\Desktop", 
+                            "Mapi_backup_dll");
+    return rv;
+}
+
+/** Sets Mozilla as default Mail Client
+ */
+nsresult setDefaultMailClient()
+{
+    nsresult rv;
+    nsresult mailKeySet=NS_ERROR_FAILURE;
+    if (verifyRestrictedAccess()) return NS_ERROR_FAILURE;
+    if (!isSmartDll()) {
+        if (NS_FAILED(CopyMozMapiToWinSysDir())) return NS_ERROR_FAILURE;
+    }
+    rv = saveDefaultMailClient();
+    if (NS_FAILED(saveUserDefaultMailClient()) ||
+        NS_FAILED(rv)) return NS_ERROR_FAILURE;
+    nsCAutoString keyName("Software\\Clients\\Mail\\");
+
+    nsCAutoString appName(brandName());
+    if (!appName.IsEmpty()) {
+        keyName.Append(appName.get());
+        // hardcoding this for 0.9.4 branch
+        // need to change it before merging into the trunk
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                        (char *)keyName.get(), 
+                        "", "Netscape 6.2 Mail"); 
+    }
+    else
+        rv = NS_ERROR_FAILURE;
+    if (NS_SUCCEEDED(rv)) {
+        nsCAutoString dllPath(thisApplication());
+        PRInt32 index = dllPath.RFind("\\");
+        if (index != kNotFound)
+            dllPath.Truncate(index + 1);
+        dllPath += "mozMapi32.dll";
+        rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                            (char *)keyName.get(), "DLLPath", 
+                            (char *)dllPath.get());
+        if (NS_SUCCEEDED(rv)) {
+            keyName.Append("\\protocols\\mailto");
+            rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                (char *)keyName.get(), 
+                                "", "URL:MailTo Protocol");
+            if (NS_SUCCEEDED(rv)) {
+                nsCAutoString appPath(thisApplication());
+                appPath += " \"%1\"";
+                keyName.Append("\\shell\\open\\command");
+                rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                       (char *)keyName.get(), 
+                       "", (char *)appPath.get());
+                if (NS_SUCCEEDED(rv)) {
+                    rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                        "Software\\Clients\\Mail", 
+                                        "", (char *)appName.get());
+                }
+                if (NS_SUCCEEDED(rv)) {
+                    nsCAutoString mailAppPath(thisApplication());
+                    mailAppPath += " -mail";
+                    nsCAutoString appKeyName ("Software\\Clients\\Mail\\");
+                    appKeyName.Append(appName.get());
+                    appKeyName.Append("\\shell\\open\\command");
+                    rv = SetRegistryKey(HKEY_LOCAL_MACHINE,
+                                        (char *)appKeyName.get(),
+                                        "", (char *)mailAppPath.get());
+                }
+                if (NS_SUCCEEDED(rv)) {
+                    nsCAutoString iconPath(thisApplication());
+                    iconPath += ",0";
+                    nsCAutoString iconKeyName ("Software\\Clients\\Mail\\");
+                    iconKeyName.Append(appName.get());
+                    iconKeyName.Append("\\DefaultIcon");
+                    mailKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE,
+                                        (char *)iconKeyName.get(),
+                                        "", (char *)iconPath.get());
+                }
+            }            
+        }
+    }
+
+    if (NS_SUCCEEDED(mailKeySet)) {
+        nsresult desktopKeySet = SetRegistryKey(HKEY_CURRENT_USER, 
+                                                "Software\\Clients\\Mail",
+                                                "", (char *)appName.get());
+        if (NS_SUCCEEDED(desktopKeySet)) {
+            desktopKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                           "Software\\Mozilla\\Desktop", 
+                                           "defaultMailHasBeenSet", "1");
+        }
+        ::SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, 
+                     (LPARAM)"Software\\Clients\\Mail");
+        RegisterServer(CLSID_nsMapiImp, "Mozilla MAPI", "mozMapi", "mozMapi.1");
+        return desktopKeySet;
+    }
+    
+    return mailKeySet;
+}
+
+/** Removes Mozilla as the default Mail client and restores the previous setting
+ */
+nsresult unsetDefaultMailClient() {
+    nsresult result = NS_OK;
+    nsresult mailKeySet = NS_ERROR_FAILURE;
+    if (verifyRestrictedAccess()) return NS_ERROR_FAILURE;
+    if (!isSmartDll()) {
+        if (NS_FAILED(RestoreBackedUpMapiDll())) return NS_ERROR_FAILURE;
+    }
+    nsCAutoString name(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                      "Software\\Mozilla\\Desktop", 
+                                      "HKEY_LOCAL_MACHINE\\Software\\Clients\\Mail"));
+    nsCAutoString appName(brandName());
+
+    if (!name.IsEmpty() && !appName.IsEmpty() && name.Equals(appName)) {
+        nsCAutoString keyName("HKEY_LOCAL_MACHINE\\Software\\Clients\\Mail\\");
+        keyName.Append(appName.get());
+        keyName.Append("\\protocols\\mailto\\shell\\open\\command");
+        nsCAutoString appPath(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                        "Software\\Mozilla\\Desktop", 
+                        (char *)keyName.get()));
+        if (!appPath.IsEmpty()) {
+            keyName.Assign("Software\\Clients\\Mail\\");
+            keyName.Append(appName.get());
+            keyName.Append("\\protocols\\mailto\\shell\\open\\command");
+            result = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                       (char *) keyName.get(), 
+                       "", (char *)appPath.get());
+            if (NS_SUCCEEDED(result)) {
+                PRInt32 index = appPath.RFind("\\");
+                if (index != kNotFound)
+                    appPath.Truncate(index + 1);
+                appPath += "mozMapi32.dll";
+                keyName.Assign("Software\\Clients\\Mail\\");
+                keyName.Append(appName.get());
+                result = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                        (char *)keyName.get(), 
+                                        "DLLPath", (char *) appPath.get());
+            }
+        }
+    }
+    if (!name.IsEmpty()) {
+        if (NS_SUCCEEDED(result)) {
+            mailKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                "Software\\Clients\\Mail", 
+                                "", (char *)name.get());
+        }
+    }
+    else
+        mailKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                "Software\\Clients\\Mail", 
+                                "", "");
+
+    if (NS_SUCCEEDED(mailKeySet)) {
+        nsCAutoString userAppName(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                  "Software\\Mozilla\\Desktop", 
+                                  "HKEY_CURRENT_USER\\Software\\Clients\\Mail"));
+        nsresult desktopKeySet = NS_OK;
+        if (!userAppName.IsEmpty()) {
+            desktopKeySet = SetRegistryKey(HKEY_CURRENT_USER, 
+                                           "Software\\Clients\\Mail", 
+                                           "", (char *)userAppName.get());
+        }
+        else {
+            DeleteRegistryValue(HKEY_CURRENT_USER, "Software\\Clients\\Mail", "");
+        }
+        if (NS_SUCCEEDED(desktopKeySet)) {
+            desktopKeySet = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                           "Software\\Mozilla\\Desktop", 
+                                           "defaultMailHasBeenSet", "0");
+        }
+        ::SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, 
+                     (LPARAM)"Software\\Clients\\Mail");
+        UnregisterServer(CLSID_nsMapiImp, "mozMapi", "mozMapi.1");
+        return desktopKeySet;
+    }
+    return mailKeySet;
+}
+
+/** Returns FALSE if showMapiDialog is set to 0.
+ *  Returns TRUE otherwise
+ *  Also returns TRUE if the Mozilla has been set as the default mail client
+ *  and some other application has changed that setting.
+ *  This function gets called only if the current app is not the default mail
+ *  client
+ */
+PRBool getShowDialog() {
+    PRBool rv = PR_FALSE;
+    nsCString showDialog(GetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                        "Software\\Mozilla\\Desktop", 
+                                        "showMapiDialog"));
+    // if the user has not selected the checkbox, show dialog 
+    if (showDialog.IsEmpty() || showDialog.Equals("1"))
+            rv = PR_TRUE;
+
+    if (!rv) {
+        // even if the user has selected the checkbox
+        // show it if some other application has changed the 
+        // default setting.
+        nsCAutoString setMailDefault(GetRegistryKey(HKEY_LOCAL_MACHINE,
+                                       "Software\\Mozilla\\Desktop", 
+                                       "defaultMailHasBeenSet"));
+        if (setMailDefault.Equals("1")) {
+            // need to reset the defaultMailHasBeenSet to "0"
+            // so that after the dialog is displayed once,
+            // we do not keep displaying this dialog after the user has
+            // selected the checkbox
+            rv = SetRegistryKey(HKEY_LOCAL_MACHINE, 
+                                "Software\\Mozilla\\Desktop", 
+                                "defaultMailHasBeenSet", "0");
+            rv = PR_TRUE;
+        }
+    }
+    return rv;
+}
--- a/mozilla/mailnews/mapi/registry/src/nsMapiRegistryUtils.h
+++ b/mozilla/mailnews/mapi/registry/src/nsMapiRegistryUtils.h
@@ -0,0 +1,90 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Srilatha Moturi <srilatha@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsmapiregistryutils_h____
+#define nsmapiregistryutils_h____
+
+#include <windows.h>
+#include <string.h>
+#include <winreg.h>
+
+#include "Registry.h"
+#include "nsString.h"
+
+//Sets the registry key for basekey/keyname valuename.
+nsresult SetRegistryKey(HKEY baseKey, const char * keyName, 
+                        const char * valueName, char * value);
+
+// Deletes the registry key for base/keyname/valuename
+nsresult DeleteRegistryValue(HKEY baseKey, const char * keyName, 
+                        const char * valueName);
+
+// Gets the current regiistry setting for the key.
+nsCString GetRegistryKey(HKEY baseKey, const char * keyName, 
+                         const char * valueName);
+// Returns PR_TRUE if this user only has restricted access
+// to the registry keys we need to modify.
+PRBool verifyRestrictedAccess();
+
+// Returns true if mozilla is the default mail client
+// by checking the registry.
+PRBool IsDefaultMailClient();
+
+// Save the current setting for the default mail client.
+nsresult saveDefaultMailClient();
+
+// Saves the current user setting for the default mail client.
+nsresult saveUserDefaultMailClient();
+
+// Renames Mapi32.dl in system directory to Mapi32_moz_bak.dll
+// copies the mozMapi32.dll from bin directory to the system directory
+nsresult CopyMozMapiToWinSysDir();
+
+// deletes the Mapi32.dll in system directory and renames Mapi32_moz_bak.dll
+//  to Mapi32.dll
+nsresult RestoreBackedUpMapiDll();
+
+// Sets mozilla as the default mail client	
+nsresult setDefaultMailClient();
+
+// unsets mozilla and resets the default mail client setting to previous one
+nsresult unsetDefaultMailClient();
+
+// returns true if we need to show the mail integration dialog.
+PRBool getShowDialog();
+
+#endif
--- a/mozilla/mailnews/mapi/resources/content/contents.rdf
+++ b/mozilla/mailnews/mapi/resources/content/contents.rdf
@@ -0,0 +1,117 @@
+<?xml version="1.0"?>
+
+<!-- If you modify this file, please also update the following files -->
+<!-- mailnews/mapi/resources/content/contents.rdf in the ns tree -->
+
+<RDF:RDF xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+         xmlns:chrome="http://www.mozilla.org/rdf/chrome#">
+
+  <!-- list all the packages being supplied by this jar -->
+  <RDF:Seq about="urn:mozilla:package:root">
+    <RDF:li resource="urn:mozilla:package:messenger"/>
+  </RDF:Seq>
+
+  <!-- package information -->
+  <RDF:Description about="urn:mozilla:package:messenger"
+        chrome:displayName="Messenger"
+        chrome:author="mozilla.org"
+        chrome:name="messenger"
+	chrome:localeVersion="0.9.4"
+		chrome:skinVersion="0.9.4">
+  </RDF:Description>
+
+  <!-- overlay information -->
+  <RDF:Seq about="urn:mozilla:overlays">
+    <RDF:li resource="chrome://communicator/content/pref/preftree.xul"/>
+    <RDF:li resource="chrome://communicator/content/pref/pref-appearance.xul"/>
+    <RDF:li resource="chrome://communicator/content/pref/pref-advanced.xul"/>
+    <RDF:li resource="chrome://communicator/content/tasksOverlay.xul"/>
+    <RDF:li resource="chrome://navigator/content/navigatorOverlay.xul"/>
+    <RDF:li resource="chrome://communicator/content/history/history.xul"/>
+    <RDF:li resource="chrome://communicator/content/bookmarks/bookmarks.xul"/>
+    <RDF:li resource="chrome://communicator/content/bookmarks/bm-find.xul"/>
+    <RDF:li resource="chrome://messenger/content/messenger.xul"/>
+    <RDF:li resource="chrome://messenger/content/mail3PaneWindowVertLayout.xul"/>
+    <RDF:li resource="chrome://messenger/content/messengercompose/messengercompose.xul"/>
+    <RDF:li resource="chrome://messenger/content/addressbook/addressbook.xul"/>
+    <RDF:li resource="chrome://messenger/content/addressbook/abSelectAddressesDialog.xul"/>
+    <RDF:li resource="chrome://editor/content/editor.xul"/>
+    <RDF:li resource="chrome://messenger/content/pref-mailnews.xul"/>
+  </RDF:Seq>
+
+
+  <!-- messenger preferences branches -->
+  <RDF:Seq about="chrome://communicator/content/pref/preftree.xul">
+    <RDF:li>chrome://messenger/content/mailPrefsOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger startup pref -->
+  <RDF:Seq about="chrome://communicator/content/pref/pref-appearance.xul">
+    <RDF:li>chrome://messenger/content/mailPrefsOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger js toggle pref -->
+  <RDF:Seq about="chrome://communicator/content/pref/pref-advanced.xul">
+    <RDF:li>chrome://messenger/content/mailPrefsOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger taskbar/tasks menu items -->
+  <RDF:Seq about="chrome://communicator/content/tasksOverlay.xul">
+    <RDF:li>chrome://messenger/content/mailTasksOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger items for History -->
+  <RDF:Seq about="chrome://communicator/content/history/history.xul">
+    <RDF:li>chrome://messenger/content/mailNavigatorOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger items for Bookmarks -->
+  <RDF:Seq about="chrome://communicator/content/bookmarks/bookmarks.xul">
+    <RDF:li>chrome://messenger/content/mailNavigatorOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger items for History -->
+  <RDF:Seq about="chrome://communicator/content/bookmarks/bm-find.xul">
+    <RDF:li>chrome://messenger/content/mailNavigatorOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger items for Navigator -->
+  <RDF:Seq about="chrome://navigator/content/navigatorOverlay.xul">
+    <RDF:li>chrome://messenger/content/mailNavigatorOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger items for Messenger -->
+  <RDF:Seq about="chrome://messenger/content/messenger.xul">
+    <RDF:li>chrome://messenger/content/mailMessengerOverlay.xul</RDF:li>
+  </RDF:Seq>
+  <RDF:Seq about="chrome://messenger/content/mail3PaneWindowVertLayout.xul">
+    <RDF:li>chrome://messenger/content/mailMessengerOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+  <!-- messenger items for Mail Compose -->
+  <RDF:Seq about="chrome://messenger/content/messengercompose/messengercompose.xul">
+    <RDF:li>chrome://messenger/content/mailMessengerComposeOverlay.xul</RDF:li>
+  </RDF:Seq>
+  
+  <!-- messenger items for Addressbook -->
+  <RDF:Seq about="chrome://messenger/content/addressbook/addressbook.xul">
+    <RDF:li>chrome://messenger/content/mailABOverlay.xul</RDF:li>
+  </RDF:Seq>
+  
+  <!-- messenger items for Select Addresses dialog -->
+  <RDF:Seq about="chrome://messenger/content/addressbook/abSelectAddressesDialog.xul">
+    <RDF:li>chrome://messenger/content/mailOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+
+  <!-- messenger items for Composer -->
+  <RDF:Seq about="chrome://editor/content/editor.xul">
+    <RDF:li>chrome://messenger/content/mailEditorOverlay.xul</RDF:li>
+  </RDF:Seq>
+  
+  <!-- mapi items for Mail And Newsgroups preferences pane -->
+  <RDF:Seq about="chrome://messenger/content/pref-mailnews.xul">
+    <RDF:li>chrome://messenger/content/pref-mailnewsOverlay.xul</RDF:li>
+  </RDF:Seq>
+
+</RDF:RDF>
--- a/mozilla/mailnews/mapi/resources/content/jar.mn
+++ b/mozilla/mailnews/mapi/resources/content/jar.mn
@@ -0,0 +1,4 @@
+messenger.jar:
+     content/messenger/pref-mailnewsOverlay.xul
+    content/messenger/contents.rdf 
+     content/messenger/pref-mailnewsOverlay.js
--- a/mozilla/mailnews/mapi/resources/content/makefile.win
+++ b/mozilla/mailnews/mapi/resources/content/makefile.win
@@ -0,0 +1,26 @@
+#!nmake
+# 
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+# 
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+# 
+# The Original Code is mozilla.org code.
+# 
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are 
+# Copyright (C) 2001 Netscape Communications Corporation.  All
+# Rights Reserved.
+# 
+# Contributor(s): 
+# Srilatha Moturi <srilatha@netscape.com>
+#
+
+DEPTH=..\..\..\..
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/mailnews/mapi/resources/content/overlays.rdf
+++ b/mozilla/mailnews/mapi/resources/content/overlays.rdf
@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<RDF:RDF xmlns:chrome="http://www.mozilla.org/rdf/chrome#"
+         xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+
+   <!-- mapi items for mailnews preferences -->
+   <RDF:Seq about="urn:mozilla:overlays">
+     <RDF:li resource="chrome://messenger/content/pref-mailnews.xul"/>
+   </RDF:Seq>
+
+   <RDF:Seq about="chrome://messenger/content/pref-mailnews.xul">
+     <RDF:li>chrome://messenger/content/pref-mailnewsOverlay.xul</RDF:li>
+   </RDF:Seq>
+
+</RDF:RDF>
--- a/mozilla/mailnews/mapi/resources/content/pref-mailnewsOverlay.js
+++ b/mozilla/mailnews/mapi/resources/content/pref-mailnewsOverlay.js
@@ -0,0 +1,104 @@
+/* 
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is mozilla.org code.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are 
+ * Copyright (C) 2001 Netscape Communications Corporation.  All
+ * Rights Reserved.
+ * 
+ * Contributor(s): 
+ * Srilatha Moturi <srilatha@netscape.com>
+ */
+
+function mailnewsOverlayStartup() {
+    mailnewsOverlayInit();
+    parent.hPrefWindow.registerOKCallbackFunc(onOK);
+    if (!("mapiPref" in parent)) {
+        parent.mapiPref = new Object;
+        parent.mapiPref.isDefaultMailClient = 
+               document.getElementById("mailnewsEnableMapi").checked;
+    }
+    else { 
+        // when we switch between different panes
+        // set the checkbox based on the saved state
+        var mailnewsEnableMapi = document.getElementById("mailnewsEnableMapi");
+        if (parent.mapiPref.isDefaultMailClient)
+            mailnewsEnableMapi.setAttribute("checked", "true");
+        else
+            mailnewsEnableMapi.setAttribute("checked", "false");
+    }
+}
+
+function mailnewsOverlayInit() {
+    try {
+        var mapiRegistry = Components.classes[ "@mozilla.org/mapiregistry;1" ].
+                   getService( Components.interfaces.nsIMapiRegistry );
+    }
+    catch(ex){
+        mapiRegistry = null;
+    }
+
+    const prefbase = "system.windows.lock_ui.";
+    var mailnewsEnableMapi = document.getElementById("mailnewsEnableMapi");
+    if (mapiRegistry) {
+    // initialise preference component.
+    // While the data is coming from the system registry, we use a set
+    // of parallel preferences to indicate if the ui should be locked.
+        try { 
+            var prefService = Components.classes["@mozilla.org/preferences-service;1"]
+                          .getService()
+                          .QueryInterface(Components.interfaces.nsIPrefService);
+            var prefBranch = prefService.getBranch(prefbase);
+            if (prefBranch && prefBranch.prefIsLocked("default_mail_client")) {
+                if (prefBranch.getBoolPref("default_mail_client"))
+                    mapiRegistry.setDefaultMailClient();
+                else
+                    mapiRegistry.unsetDefaultMailClient();
+                mailnewsEnableMapi.setAttribute("disabled", "true");
+           }
+        }
+        catch(ex) {}
+        if (mapiRegistry.isDefaultMailClient)
+            mailnewsEnableMapi.setAttribute("checked", "true");
+        else
+            mailnewsEnableMapi.setAttribute("checked", "false");
+    }
+    else
+        mailnewsEnableMapi.setAttribute("disabled", "true");
+}
+
+function onEnableMapi() {
+    // save the state of the checkbox
+    if ("mapiPref" in parent)
+        parent.mapiPref.isDefaultMailClient = 
+               document.getElementById("mailnewsEnableMapi").checked;
+}
+
+function onOK()
+{
+    try {
+        var mapiRegistry = Components.classes[ "@mozilla.org/mapiregistry;1" ].
+                   getService( Components.interfaces.nsIMapiRegistry );
+    }
+    catch(ex){
+        mapiRegistry = null;
+    }
+    if (mapiRegistry &&
+        ("mapiPref" in parent) && 
+        (mapiRegistry.isDefaultMailClient != parent.mapiPref.isDefaultMailClient)) { 
+        if (parent.mapiPref.isDefaultMailClient)
+            mapiRegistry.setDefaultMailClient();
+        else
+            mapiRegistry.unsetDefaultMailClient();
+    }  
+}
--- a/mozilla/mailnews/mapi/resources/content/pref-mailnewsOverlay.xul
+++ b/mozilla/mailnews/mapi/resources/content/pref-mailnewsOverlay.xul
@@ -0,0 +1,44 @@
+<?xml version="1.0"?>
+<!-- 
+The contents of this file are subject to the Mozilla Public
+License Version 1.1 (the "License"); you may not use this file
+except in compliance with the License. You may obtain a copy of
+the License at http://www.mozilla.org/MPL/
+
+oftware distributed under the License is distributed on an "AS
+IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+implied. See the License for the specific language governing
+rights and limitations under the License.
+
+The Original Code is mozilla.org code.
+The Initial Developer of the Original Code is Netscape
+Communications Corporation.  Portions created by Netscape are 
+Copyright (C) 2001 Netscape Communications Corporation.  All
+Rights Reserved.
+ 
+Contributor(s): 
+  Srilatha Moturi <srilatha@netscape.com>
+-->
+
+<!DOCTYPE window [
+<!ENTITY % brandDTD SYSTEM "chrome://global/locale/brand.dtd" >
+%brandDTD;
+<!ENTITY % prefMailnewsOverlayDTD SYSTEM "chrome://messenger/locale/pref-mailnewsOverlay.dtd" >
+%prefMailnewsOverlayDTD;
+]>
+<overlay id="prefMailnewsOverlay"
+         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+<script type="application/x-javascript">
+  <![CDATA[
+      _elementIDs.push("mailnewsEnableMapi");
+  ]]>
+</script>         
+<script type="application/x-javascript" src="chrome://messenger/content/pref-mailnewsOverlay.js"/>
+<hbox autostretch="never" id="mapi">
+  <checkbox id="mailnewsEnableMapi" label="&enableMapi.label;"
+            accesskey="&enableMapi.accesskey;"
+            oncommand="onEnableMapi();"
+            startFunc="mailnewsOverlayStartup();"/>
+</hbox>
+</overlay> 
--- a/mozilla/mailnews/mapi/resources/locale/en-US/jar.mn
+++ b/mozilla/mailnews/mapi/resources/locale/en-US/jar.mn
@@ -0,0 +1,3 @@
+en-US.jar:
+     locale/en-US/messenger/pref-mailnewsOverlay.dtd
+     locale/en-US/messenger/mapi.properties
--- a/mozilla/mailnews/mapi/resources/locale/en-US/makefile.win
+++ b/mozilla/mailnews/mapi/resources/locale/en-US/makefile.win
@@ -0,0 +1,26 @@
+#!nmake
+# 
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+# 
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+# 
+# The Original Code is mozilla.org code.
+# 
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are 
+# Copyright (C) 2001 Netscape Communications Corporation.  All
+# Rights Reserved.
+# 
+# Contributor(s): 
+# Srilatha Moturi <srilatha@netscape.com>
+# 
+
+DEPTH=..\..\..\..\..
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/mailnews/mapi/resources/locale/en-US/mapi.properties
+++ b/mozilla/mailnews/mapi/resources/locale/en-US/mapi.properties
@@ -0,0 +1,18 @@
+# Mail Integration Dialog
+dialogTitle=%S Mail
+dialogText=Do you want to use %S as the default mail application? 
+checkboxText=Do not display this dialog again
+
+# MAPI Messages
+loginText=Please enter your password for %S:
+loginTextwithName=Please enter your username and password 
+loginTitle=%S Mail
+PasswordTitle=%S Mail
+
+# MAPI Error Messages
+errorMessage=%S Mail could not be set as the default mail application because a registry key could not be updated. Verify with your system administrator that you have write access to your system registry, and then try again.
+errorMessageTitle=%S Mail
+
+# MAPI Security Messages
+mapiBlindSendWarning=Another application is attempting to send mail using your user profile. Are you sure you want to send mail?
+mapiBlindSendDontShowAgain=Warn me whenever other applications try to send mail from me
--- a/mozilla/mailnews/mapi/resources/locale/en-US/pref-mailnewsOverlay.dtd
+++ b/mozilla/mailnews/mapi/resources/locale/en-US/pref-mailnewsOverlay.dtd
@@ -0,0 +1,3 @@
+<!ENTITY enableMapiTitle.label        "When sending mail from other applications">
+<!ENTITY enableMapi.label             "Use &vendorShortName; Mail as the default mail application.">
+<!ENTITY enableMapi.accesskey         "u">
--- a/mozilla/mailnews/mapi/resources/locale/makefile.win
+++ b/mozilla/mailnews/mapi/resources/locale/makefile.win
@@ -0,0 +1,28 @@
+#!nmake
+# 
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+# 
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+# 
+# The Original Code is mozilla.org code.
+# 
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are 
+# Copyright (C) 2001 Netscape Communications Corporation.  All
+# Rights Reserved.
+# 
+# Contributor(s): 
+# Srilatha Moturi <srilatha@netscape.com>
+#
+
+DEPTH=..\..\..\..
+
+DIRS=en-US
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/mailnews/mapi/resources/makefile.win
+++ b/mozilla/mailnews/mapi/resources/makefile.win
@@ -0,0 +1,27 @@
+# 
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+# 
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+# 
+# The Original Code is mozilla.org code.
+# 
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are 
+# Copyright (C) 2001 Netscape Communications Corporation.  All
+# Rights Reserved.
+# 
+# Contributor(s): 
+# Srilatha Moturi <srilatha@netscape.com>
+#
+
+DEPTH=..\..\..
+
+DIRS=content locale
+
+include <$(DEPTH)\config\rules.mak>
--- a/mozilla/security/nss/lib/softoken/sdb.c
+++ b/mozilla/security/nss/lib/softoken/sdb.c
--- a/mozilla/security/nss/lib/softoken/sftkdb.c
+++ b/mozilla/security/nss/lib/softoken/sftkdb.c
--- a/mozilla/security/nss/lib/softoken/sftkpwd.c
+++ b/mozilla/security/nss/lib/softoken/sftkpwd.c