detect ssl layer error doing start tls in imap code, add error to log, sr=mscott 311939

mailnews/imap/src/nsImapProtocol.cpp

@@ -1345,13 +1345,29 @@ PRBool nsImapProtocol::ProcessCurrentURL()
               nsCOMPtr<nsISSLSocketControl> sslControl = do_QueryInterface(secInfo, &rv);
 
               if (NS_SUCCEEDED(rv) && sslControl)
+              {
                 rv = sslControl->StartTLS();
-            }
-
+                if (NS_SUCCEEDED(rv))
                   Capability();
               }
+            }
+            if (NS_FAILED(rv))
+            {
+              nsCAutoString logLine("STARTTLS negotiation failed. Error 0x");
+              logLine.AppendInt(rv, 16);
+              Log("ProcessCurrentURL", nsnull, logLine.get());    
+              if (m_socketType == nsIMsgIncomingServer::alwaysUseTLS)
+              {
+                SetConnectionStatus(-1);        // stop netlib
+                m_transport->Close(rv);
+              }
+            }
+          }
           else if (m_socketType == nsIMsgIncomingServer::alwaysUseTLS)
-            return PR_FALSE;
+          {
+            SetConnectionStatus(-1);        // stop netlib
+            m_transport->Close(rv);
+          }
         }
 
         logonFailed = !TryToLogon();