On Nov 25, 2018, at 1:06 PM, Mark Sapiro <m...@msapiro.net> wrote: > > A .forward normally does not cause issues with DMARC because .forward > redirection normally does not transform the message in ways that break > DKIM signatures.
Which assumes that the sending system includes a DKIM signature in the original message. If it does not, and the receiving system relies on SPF for DMARC alignment, then DMARC will fail since mail redirected through a .forward will always fail SPF validation. Sent from my iPhone ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org https://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: https://mail.python.org/mailman/options/mailman-users/archive%40jab.org
