The reported error was "Could not send message: WriteStream: MAPI error MAPI_E_CALL_FAILED (0x80004005) occurred".
The same problem here after upgrade to 12.10.
The reported error was "Could not send message: WriteStream: MAPI error MAPI_E_CALL_FAILED (0x80004005) occurred".
The same problem here after upgrade to 12.10.