On Sun, 2014-04-27 at 10:34 -0700, Mark Sapiro wrote: > On 04/27/2014 10:16 AM, Lindsay Haisley wrote: > > My understanding is that DMARC alignment depends on both SPF and DKIM > > and that if a test using either protocol passes, then a DMARC will pass. > > This is probably an oversimplification, but I'm exploring the idea of > > whether it might be possible to interpose a milter using OpenDKIM > > (perhaps zdkimfilter) between Mailman and the outgoing SMTP server > > (courier-MTA) so that outgoing list posts are appropriately signed. > > > This doesn't help. The whole idea behind DMARC is the message must pass > either SPF or DKIM with a domain that 'aligns' with the domain of the > address in the From: header. > > You can't DKIM sign for the yahoo.com or aol.com or whatever.com domain > because you don't know their private keys. You can only DKIM sign for > your own domain which won't 'align' with the From: domain.
OK, Thanks Mark. This makes sense. No need for anyone else to post a reply to my post. -- Lindsay Haisley | "Everything works if you let it" FMP Computer Services | 512-259-1190 | --- The Roadie http://www.fmp.com | ------------------------------------------------------ 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