policyd-spf-fs policyd-spf-fs is a policy daemon for Postfix to check SPF records (RCF 4408).
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daemon Policy Daemon Policy SPF policy Postfix policy SPF

policyd-spf-fs Description

policyd-spf-fs is a policy daemon for Postfix to check SPF records (RCF 4408). policyd-spf-fs is a policy daemon for Postfix to check SPF records (RCF 4408). The application uses the libspf2 library. Currently, it is only tested to run under Debian/GNU Linux, but it should be compilable under most *NIX derivates with a recent gcc.It was written because there did not exist any recent policy daemon which worked reliably enough for a high load mail system and suports ip6 spf entries. Requirements:· libspf2 >= 1.2.5· Postfix 2.4.xCompilationShould be straight forward, just type "make"With "make install" the policy daemon will be installed in /usr/local/sbinInstallationAdd the following to master.cf# Policy daemon for SPFspf-policy unix - n n - - spawn user=nobody argv=/usr/local/sbin/policyd-spf-fs --debug=1And this to main.cfsmtpd_sender_restrictions = your policy here ... reject_unknown_sender_domain reject_unverified_sender check_policy_service unix:private/spf-policyBe sure to have SPF after reject_unverified_sender else you will probably get an open relay!TuningUnder high load it is important, that the maxproc parameter (the last before spawn) matches the amount of smtpd which can make requests the the policyd, else you will get service unavailable in your log.What's New in This Release:· A better Makefile for packaging, a man page, and other minor fixes.· No operational changes were made.

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