[Mimedefang] New spam technique

Joseph Brennan brennan at columbia.edu
Tue Jul 6 08:52:43 EDT 2004



> I think spammers have adapted by sending only a few addresses at
> a time, perhaps from virus-owned zombie relays.

Definitely.  Over 1/10 our smtp connections have user unknowns.

I am trying to find peace in the idea that they can waste their time
building lists of addresses that are going to be useless when we
reject the actual spam.  Let 'em spin their wheels.

Of course I'll change my mind when we identify a solution.

Joseph Brennan
Academic Technologies Group, Academic Information Systems (AcIS)
Columbia University in the City of New York






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