On 04/13/2014 03:03 PM, Jim Popovitch wrote: > > DMARC checks alignment of *both* DKIM and SPF, if either is broken DMARC > fails. > >> SPF does not check the "From:" header line, and that's where the >> troubles begin with DMARC. > > SPF checks sending IPs (of which your IPs won't match Yahoo's, thus > breaking DMARC) > > Either an SPF failure or a DKIM failure will cause a DMARC rejection > if p=reject.
I'm not sure that's correct. I've been testing this so many ways, I'm not sure what I'm seeing, but I think a reject requires BOTH DKIM and SPF to be absent or fail. If either passes, no DMARC reject occurs. There are weird issues though. It seems I can't post from my gmail address to my yahoo group. I get a non-delivery notice from gmail. I'm not sure why. The yahoo group exists and my gmail address is a member with posting privileges. I'll follow up more after dinner break. -- Mark Sapiro <m...@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan ------------------------------------------------------ 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
