>So the edge system generates a bounce message (MDN). Knowing that >RFC5321.MailFrom will "<>". >To be DMARC compliant the RFC5321.HELO/.EHLO name must be align with the >RFC5322.From of the MDN.
Why wouldn't you add a DKIM signature that matches the domain name in the message From: line? The envelope bounce return address is empty, but the From: line isn't. R's, John _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc