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HowtoForge: How To Implement SPF In Postfix

Feb 27, 2007, 06:15 (0 Talkback[s])
(Other stories by Falko Timme)

[ Thanks to Falko Timme for this link. ]

"This tutorial shows how to implement SPF (Sender Policy Framework) in a Postfix 2.x installation. The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery (see http://www.openspf.org/Introduction). There are lots of SPF extensions and patches available for Postfix, but most require that you recompile Postfix. Therefore we will install the postfix-policyd-spf-perl package from openspf.org which is a Perl package and can be implemented in existing Postfix installations (no Postfix compilation required)..."

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