Mail::SpamAssassin::Plugin::SPF - perform SPF verification tests
loadplugin Mail::SpamAssassin::Plugin::SPF
This plugin checks a message against Sender Policy Framework (SPF) records published by the domain owners in DNS to fight email address forgery and make it easier to identify spams.
Just like whitelist_from, multiple addresses per line, separated by spaces,
are OK. Multiple whitelist_from_spf
lines are also OK.
The headers checked for whitelist_from_spf addresses are the same headers used for SPF checks (Envelope-From, Return-Path, X-Envelope-From, etc).
Since this whitelist requires an SPF check to be made network tests must be
enabled. It is also required that your trust path be correctly configured.
See the section on trusted_networks
for more info on trust paths.
e.g.
whitelist_from_spf joe@example.com fred@example.com whitelist_from_spf *@example.com
whitelist_from_spf
, but used for the default whitelist entries
in the SpamAssassin distribution. The whitelist score is lower, because
these are often targets for spammer spoofing.