[7712] in North American Network Operators' Group
Re: karl and paul, expostulating
daemon@ATHENA.MIT.EDU (Dima Volodin)
Thu Feb 20 14:46:06 1997
From: Dima Volodin <dvv@lsiinc.com>
To: paul@vix.com (Paul A Vixie)
Date: Thu, 20 Feb 1997 14:36:37 -0500 (EST)
Cc: nanog@merit.edu
In-Reply-To: <199702201836.KAA18255@wisdom.home.vix.com> from "Paul A Vixie" at Feb 20, 97 10:36:53 am
In the last two weeks or so I got spammed from SPRY/Compuserve at lest
half-a-dozen times. You don't seem to be blocking them, do you?
Dima
Paul A Vixie writes:
>
> > What's so elegant about that if a spammer with elementary knowledge
> > about SMTP and DNS can easily bounce his stuff off of any of the
> > thousands of unsuspecting hosts and/or use unsuspecting forwarding
> > name servers in the slave mode?
>
> http://www.sendmail.org/antispam/ has the answer to that. As we find
> these servers (which means: as they are used as unintended relays for
> the forwarding of spam) we educate their owners and they upgrade. Or
> they get blocked during spam episodes, which process will shortly become
> automatic. eBGP converges quickly enough that I can inject a /32 and
> have it in 4 countries in less than a minute.
>
> They rotate phaser frequencies, we rotate shield frequencies. And while
> the war of escalation goes on, providers are educated -- and that's the
> real goal, so no matter who's "winning" at the moment, *I* am winning.
>