Requiring RFC Compliance -- Tagging for MS ?

Rob Poe rpoe at
Mon May 5 17:34:08 IST 2008

I had my MTA's set to require that forward and reverse DNS is set up properly, however the amount of brain dead sysadmins who do NOT set their Forward <-> Reverse DNS is staggering.

It *DID* reduce the spam amounts significantly, however the collateral damage was just too great.

Does anyone know how to make Sendmail tag in the header, so as to provide a scoring method for SA ?

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