Postfix documentation says: "Postfix already ships with SPF support, in the form of a plug-in policy daemon. This is the preferred integration model, at least until SPF is mandated by standards. "
I have not yet found the SPF plug-in policy daemon of Postfix, nor how to configure it. Am I reading the documentation wrongly? Also I note that SPF is on standards track in IETF. Does that then fulfill the condition that SPF is mandated by standards? I am running Centos 5 on some mail servers with postfix. I would like to run SPF, preferably in a maintained way with possible patches from a RPM repository. Any advice on how to do that? Best regards Keld
