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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: karl and paul, expostulating
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. > - - - - - - - - - - - - - - - - -
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