diff --git a/mailnews/compose/public/nsIMsgSendListener.idl b/mailnews/compose/public/nsIMsgSendListener.idl
index 6123e9aa9794..3200ac3bfa92 100644
--- a/mailnews/compose/public/nsIMsgSendListener.idl
+++ b/mailnews/compose/public/nsIMsgSendListener.idl
@@ -80,4 +80,10 @@ interface nsIMsgSendListener : nsISupports {
      */
     void onGetDraftFolderURI(in string aFolderURI);
 
+    /**
+     * Notify the observer when the user aborts the send without actually doing the send
+     * eg : by closing the compose window without Send.
+     */
+    void onSendNotPerformed(in string aMsgID, in nsresult aStatus);
+
 };
diff --git a/mailnews/compose/resources/content/MsgComposeCommands.js b/mailnews/compose/resources/content/MsgComposeCommands.js
index bbd5242657fe..2cd3b45149f1 100644
--- a/mailnews/compose/resources/content/MsgComposeCommands.js
+++ b/mailnews/compose/resources/content/MsgComposeCommands.js
@@ -206,8 +206,19 @@ var stateListener = {
       SetContentAndBodyAsUnmodified();
      
       if (gCloseWindowAfterSave)
+      {
+        // Notify the SendListener that Send has been aborted and Stopped
+        if (gMsgCompose)
+        {
+          var externalListener = gMsgCompose.getExternalSendListener();
+          if (externalListener)
+          {
+              externalListener.onSendNotPerformed(null, Components.results.NS_ERROR_ABORT);
+          }
+        }
         MsgComposeCloseWindow(true);
     }
+    }
    
     gCloseWindowAfterSave = false;
   },
@@ -996,6 +1007,17 @@ function DoCommandClose()
 {
   var retVal;
   if ((retVal = ComposeCanClose())) {
+
+    // Notify the SendListener that Send has been aborted and Stopped
+    if (gMsgCompose)
+    {
+      var externalListener = gMsgCompose.getExternalSendListener();
+      if (externalListener)
+      {
+        externalListener.onSendNotPerformed(null, Components.results.NS_ERROR_ABORT);
+      }
+    }
+
     MsgComposeCloseWindow(true);
 	  // at this point, we might be caching this window.
 	  // in which case, we don't want to close it
diff --git a/mailnews/compose/src/nsMsgCompose.cpp b/mailnews/compose/src/nsMsgCompose.cpp
index 7775d8ad6d8e..71c152b36884 100644
--- a/mailnews/compose/src/nsMsgCompose.cpp
+++ b/mailnews/compose/src/nsMsgCompose.cpp
@@ -2284,6 +2284,29 @@ nsMsgComposeSendListener::OnStatus(const char *aMsgID, const PRUnichar *aMsg)
   return NS_OK;
 }
   
+nsresult nsMsgComposeSendListener::OnSendNotPerformed(const char *aMsgID, nsresult aStatus)
+{
+ // since OnSendNotPerformed is called in the case where the user aborts the operation
+ // by closing the compose window, we need not do the stuff required 
+ // for closing the windows. However we would need to do the other operations as below.
+
+  nsresult rv = NS_OK;
+
+  nsCOMPtr<nsIMsgCompose>compose = do_QueryReferent(mWeakComposeObj);
+  if (compose)
+  {
+    compose->NotifyStateListeners(eComposeProcessDone,aStatus);
+
+    nsCOMPtr<nsIMsgSendListener> externalListener;
+    compose->GetExternalSendListener(getter_AddRefs(externalListener));
+    if (externalListener)
+      externalListener->OnSendNotPerformed(aMsgID, aStatus) ;
+  }
+
+  return rv ;
+}
+
+
 nsresult nsMsgComposeSendListener::OnStopSending(const char *aMsgID, nsresult aStatus, const PRUnichar *aMsg, 
                                      nsIFileSpec *returnFileSpec)
 {
diff --git a/mailnews/compose/src/nsMsgSendLater.cpp b/mailnews/compose/src/nsMsgSendLater.cpp
index 60ffb3b955e3..fdbe7b67dad1 100644
--- a/mailnews/compose/src/nsMsgSendLater.cpp
+++ b/mailnews/compose/src/nsMsgSendLater.cpp
@@ -376,6 +376,12 @@ SendOperationListener::OnStatus(const char *aMsgID, const PRUnichar *aMsg)
 
   return NS_OK;
 }
+
+nsresult
+SendOperationListener::OnSendNotPerformed(const char *aMsgID, nsresult aStatus)
+{
+  return NS_OK;
+}
   
 nsresult
 SendOperationListener::OnStopSending(const char *aMsgID, nsresult aStatus, const PRUnichar *aMsg, 
diff --git a/mailnews/import/eudora/src/nsEudoraCompose.cpp b/mailnews/import/eudora/src/nsEudoraCompose.cpp
index 787b8081dec8..de7a0dd8f3bf 100644
--- a/mailnews/import/eudora/src/nsEudoraCompose.cpp
+++ b/mailnews/import/eudora/src/nsEudoraCompose.cpp
@@ -124,6 +124,9 @@ public:
 		return NS_OK;
 	}
 
+    /* void OnSendNotPerformed */
+    NS_IMETHOD OnSendNotPerformed(const char *aMsgID, nsresult aStatus) {return NS_OK;}
+
   /* void OnGetDraftFolderURI (); */
   NS_IMETHOD OnGetDraftFolderURI(const char *aFolderURI) {return NS_OK;}
 
diff --git a/mailnews/import/outlook/src/nsOutlookCompose.cpp b/mailnews/import/outlook/src/nsOutlookCompose.cpp
index 9a460b3ccf8a..1d5e0673bb4c 100644
--- a/mailnews/import/outlook/src/nsOutlookCompose.cpp
+++ b/mailnews/import/outlook/src/nsOutlookCompose.cpp
@@ -122,6 +122,9 @@ public:
 		return NS_OK;
 	}
 
+   /* void OnSendNotPerformed */
+   NS_IMETHOD OnSendNotPerformed(const char *aMsgID, nsresult aStatus) {return NS_OK;}
+
   /* void OnGetDraftFolderURI (); */
   NS_IMETHOD OnGetDraftFolderURI(const char *aFolderURI) {return NS_OK;}