> >> Ideally a milter will fake a return-path header when it fakes the > >> required received header. > > > > For the record, current versions of MIMEDefang do this. I believe > > someone mentioned that current versions of Amavisd-new also do this. > > YMMV with older releases and other milters. > > Ditto Qmail-Scanner. Any MTA-level agent that calls SA should be doing > this (adding Return-Path or X-Envelope-From). If not, it's a bug (well, > a lack of a feature ;-).
Correct, amavisd-new adds 'Return-Path:' with an envelope sender address, and adds a 'X-Envelope-To:' with a comma-separated list of all envelope recipient addresses - to a message that is given to SA for checking. Mark
