That idea is bad for two reasons.
First, it requires opening up settings in the Internet Mail Service that
permits mail loops, which can kill your server if not detected soon enough.
Second, replies just tell Spammers that they've reached a live mailbox.
MVP - Exchange
> Dear All,
> I'm new to this newsgroup and new to Exchange5.5 too. How
> can I configurate the EXchange 5.5 so that it can
> automatically reply the message for indvidual user?
> (Actually the user is no longer work for our company, I
> want to make a auto-reply for mails sending to his