On 04/13/2014 06:03 PM, Jim Popovitch wrote: > On Sun, Apr 13, 2014 at 4:54 PM, Joseph Brennan > <bren...@columbia.edu> wrote: >> >> Jim Popovitch <jim...@gmail.com> wrote: >> >>> DMARC works off of SPF as well. >> >> >> Not really. > > DMARC checks alignment of *both* DKIM and SPF, if either is broken > DMARC fails.
Nooooooo... If either one passes, DMARC passes. >> 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. Even if that were the case, which it is not, SPF should pass - since typically the list is the envelope sender. -- Joe Sniderman <joseph.snider...@thoroquel.org> ------------------------------------------------------ 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
