[10165] in North American Network Operators' Group
Re: Blocking spam
daemon@ATHENA.MIT.EDU (Bill Becker)
Thu Jun 19 07:07:14 1997
Date: Thu, 19 Jun 1997 06:42:23 -0400 (EDT)
From: Bill Becker <bbecker@iconn.net>
To: Brian Horvitz <horvitz@websecure.net>
cc: nanog@merit.edu
In-Reply-To: <Pine.GSO.3.95.970618214553.7047A-100000@sp02.websecure.net>
On Wed, 18 Jun 1997, Brian Horvitz wrote:
> Can someone give me a clue on filtering mail on using the stock sendmail
> that comes with Solaris? I am unfortunately without a sysadmin right now
> (anyone need a job?) but I do know enough to monkey with what needs
> monkeying. Anyway, a certain user decided to dial up (to somewhere
> else) and use my mail system to send mail to every single AOL user. Today
First upgrade to sendmail 8.8.5 (or try 8.8.6) and then take a look at:
http://www.informatik.uni-kiel.de/%7Eca/email/english.html
> alone I probably got about 600 copies of his bounced mail...never mind
> that this is deffinately not cool. Anyway, I have the email address that
> he is using as for the FROM: field so I'd like to simply block that out.
> Help would be appreciated.
You also need to prevent people from using your server as a relay. If
you don't, you are doomed.
Bill