Can't the message-server do some filtering.. If it detects Windows XP in a mail, return it to the sender and tell him why :-) /Flognat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/