diff --git a/mozilla/mailnews/local/public/nsIPop3Service.idl b/mozilla/mailnews/local/public/nsIPop3Service.idl
index 2a9ebc382d2..2c46b90250e 100644
--- a/mozilla/mailnews/local/public/nsIPop3Service.idl
+++ b/mozilla/mailnews/local/public/nsIPop3Service.idl
@@ -19,6 +19,7 @@
 #include "nsISupports.idl"
 #include "nsIUrlListener.idl"
 #include "nsIPop3IncomingServer.idl"
+#include "nsIMsgFolder.idl"
 
 interface nsIURL;
 interface nsIStreamListener;
@@ -52,6 +53,7 @@ interface nsIPop3Service : nsISupports {
                     in nsIPop3IncomingServer popServer);
 
   nsIURL CheckForNewMail(in nsIUrlListener aUrlListener,
+						 in nsIMsgFolder inbox,
                          in nsIPop3IncomingServer popServer);
   
 };
diff --git a/mozilla/mailnews/local/public/nsIPop3Sink.idl b/mozilla/mailnews/local/public/nsIPop3Sink.idl
index d0947f744fd..d98f8696d0d 100644
--- a/mozilla/mailnews/local/public/nsIPop3Sink.idl
+++ b/mozilla/mailnews/local/public/nsIPop3Sink.idl
@@ -18,6 +18,7 @@
 
 #include "nsISupports.idl"
 #include "nsIPop3IncomingServer.idl"
+#include "nsIMsgFolder.idl"
 
 interface nsIURL;
 
@@ -43,10 +44,11 @@ interface nsIPop3Sink : nsISupports {
 
   void BiffGetNewMail();
 
-  void SetBiffStateAndUpdateFE(in unsigned long biffState);
+  void SetBiffStateAndUpdateFE(in unsigned long biffState, in long numNewMessages);
 
   void SetSenderAuthedFlag(in voidStar closure, in boolean authed);
 
   attribute nsIPop3IncomingServer popServer;
+  attribute nsIMsgFolder folder;
 
 };