Having a server based solution check for invalid email addresses and dropping them would also eliminate tons of spam. I don't know if that is even possible. -----Original Message----- From: MSU Network Administrators Group [mailto:[log in to unmask]] On Behalf Of John Valenti Sent: Wednesday, March 03, 2004 2:47 PM To: [log in to unmask] Subject: Re: [MSUNAG] Virus notifications; repository for official mailings Would it be possible to generalize this blocking and reject any message that claims to be from an @msu.edu address that doesn't exist? Might help for tomorrow's virus. -John Rich Wiggins wrote: > The mail team is now blocking mail from sending addresses known to be > bogus and used by the worm: > > [log in to unmask] > [log in to unmask] > [log in to unmask] > [log in to unmask] >