On Tue, Apr 15, 2014 at 9:50 PM, Conrad G T Yoder <con...@yoders.org> wrote: > On Apr 15, 2014, at 2:11 PM, Jim Popovitch <jim...@gmail.com> wrote: > >> On Tue, Apr 15, 2014 at 2:05 PM, Lindsay Haisley <fmo...@fmp.com> wrote: >>> On Tue, 2014-04-15 at 12:38 -0400, Jim Popovitch wrote: >>>> Just to be clear, all those domains (other than yahoo.com) will bounce >>>> email to you if your list sends out an email from a yahoo.com >>>> subscriber. It's not the case that you need to prevent all those >>>> other domains (AOL/MSN/etc) from posting, just don't allow yahoo.com >>>> addresses to post to the list. >>> >>> So just to be clear, putting a damper on this at this point requires >>> _only_ that posts from yahoo.com be blocked from posting to a list. Is >>> this correct? This can be done by selectively unsubscribing (or >>> moderating) current yahoo.com users and adding "^.*@yahoo\.com" to the >>> ban_list of addresses banned from membership going forward. Should some >>> other ESP start publishing advisory DMARC records then said ESP would >>> need to be added to the ban_list as well. >>> >>> Am I correct in this? >> >> You don't need to ban yahoo members, you just most likely don't want >> them posting. >> >> As of right now, today, you should prevent yahoo.com addrs from >> posting to your lists. Of course that could all change tomorrow if >> Hotmail published a dmarc p=reject record. However, given the yahoo >> fallout, I think it will be a while before we see anymore of this >> kinds of shenanigans. I'm still predicting that yahoo pulls their >> dmarc record (unless of course they are getting out of the end-user >> email biz) > > So it really doesn’t affect domain email hosted by Yahoo such as att.net, > sbcglobal.net, ymail.com, etc? Yahoo has not added a dmarc p=reject record > for email from these domains?
Correct. But that could all change tomorrow if they do add dmarc records for those domains. -Jim P. ------------------------------------------------------ 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
