For those running Postfix, I cannot recommend policyd-weight highly enough. It gets rid of about 80% of the spam *and* viruses *and* phishing scams before they ever reach the MTA. It's a fantastic program that has almost a zero false-positive rate. I use it on two internet-facing MTAs, and it's a lifesaver. It reduce my workload tremendously.I am running SA on my server, it work well but I am studying a move onto dspam. I think it will give me much more granularity than SA, people say that it is also much more accurate. I am yet to see!
<http://www.policyd-weight.org/>Its purpose is to reject *all* mail from bogus MTAs - dialups, misconifigured servers, MTAs that aren't registered in the domains' DNS as a "legal" MX, MTAs that don't reverse properly, etc., etc. If the email is forged in any way, it will never make it to DATA.
Paul Schmehl ([EMAIL PROTECTED]) Adjunct Information Security Officer The University of Texas at Dallas http://www.utdallas.edu/ir/security/
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