>There are other possibilities. For example, List-Id: is generally the >list's submission address with the "@" changed to a ".". You might try >saying "If it comes from IP X, the value of this field ought to look like >*.Y, where Y is the Organizational Domain Name associated with X". And >maybe the domain name part of that needs also to be DMARC-aligned. I'm >making this up as I go, but you get the idea.
That still has the spammer endorsing his own mail problem. (If it's not obvious, the spammer would be running a fake list.) After all these years, it seems to me that the chances of us coming up with any new answers to this old problem are pretty low. R's, John _______________________________________________ dmarc-discuss mailing list [email protected] http://www.dmarc.org/mailman/listinfo/dmarc-discuss NOTE: Participating in this list means you agree to the DMARC Note Well terms (http://www.dmarc.org/note_well.html)
