>The W3C mailing list manager (MLM) is apparently configured to do >rfc5322.from field re-writing which seems to ameliorate the DMARC-MLM >issues (in my experience, at least), and it would be helpful if the IETF >would take similar measures. Due to the volume of mail from IETF lists, I have a bunch of procmail rules to sort them that would break if the lists put the list address on the From: line. And, of course, then you can't reply to the author. I doubt that I'm the only one in this situation. There are DMARC workarounds that are more work but suck less. See http://wiki.asrg.sp.am/wiki/Mitigating_DMARC_damage_to_third_party_mail R's, John