[Mimedefang] SpamAssassin and using a local SpamHaus zone DNS server

Joseph Brennan brennan at columbia.edu
Thu Mar 29 08:30:31 EST 2007



--On Wednesday, March 28, 2007 16:55 -0500 -ray <ray at ops.selu.edu> wrote:

> Jan already mentioned how to setup your local zone in named.conf.  We are
> doing that for the spamhaus and surbl zones that we mirror.  Just wanted
> to say that we use spamhaus as a dnsbl in sendmail to outright block IPs
> on the Spamhaus SBL/XBL list.  In over 2 years and a few 100k messages a
> day, I think we've had 2 complaints.


I'll go beyond that-- with 2.5M a day, rejecting .5M a day based on
Spamhaus, I don't think we had 2 complaints in 2 years.

Joseph Brennan
Lead Email Systems Engineer
Columbia University Information Technology



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