Any message headers can be filtered. On my own server, most of my filters are for "From" and "Subject", but one very persistent spammer recently forced me to add a "To" filter as well. I try to add as few header filters as possible, but it just depends what the incoming spam looks like.
-- Sam Clippinger On Aug 18, 2017, at 12:02 PM, Pablo Murillo (rednet) via spamdyke-users <spamdyke-users@spamdyke.org> wrote: > Hi > > Which are the valid headers to filter ? > > I think, the obviuos ones are: FROM SUBJECT > REPLY-TO > > But.. > > Return-Path: > Message-ID: > Received: > List-* > > Are allowed ? > _______________________________________________ > spamdyke-users mailing list > spamdyke-users@spamdyke.org > http://www.spamdyke.org/mailman/listinfo/spamdyke-users
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