Mailfetch::Rule::SPFQuery - check SPF status of HELO, From: and sender IP
perl -MMailfetch::Rule::SPFQuery=test,mailfile -e1
This rule uses Mail::SPF::Query to check wether the HELO header, the
From: address and the IP address of the sender according to the
Received: headers coincide with the SPF status.
Currently, no caching is performed.