Jayson Smith writes: > Good point about DMARC. Does anyone know if Charter suddenly started > caring about some DMARC policies on or around this past Friday?
I for one don't know. You'd have to ask their postmaster, or get the subscriber to do so, to be sure. I think it's as likely that they got an update to their filters from a vendor. That could be sensitive to DMARC from alignment, or it could be something else. > I have my list set to munge the From: lines of messages from > senders E.G. AOL, Yahoo, etc. that publish a DMARC rejection > policy. You could try setting up your list mail to participate in the ARC protocol.[1] I think most MTAs have options or plugins for this by now. Also Mailman 3 has an option to handle it itself, but it is preferable for the MTA to handle it as Mailman 3 can't validate SPF. > On a slightly different topic, I've heard from a few Outlook users > that list messages are consistently ending up in their junkmail > folders. All of the big providers have this problem occasionally, although my impression that it's more of a problem with Microsoft than Google or Yahoo!. Again, ARC might help. Footnotes: [1] Authenticated Received Chain, https://datatracker.ietf.org/doc/html/rfc8617 ------------------------------------------------------ Mailman-Users mailing list -- mailman-users@python.org To unsubscribe send an email to mailman-users-le...@python.org https://mail.python.org/mailman3/lists/mailman-users.python.org/ Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: https://www.mail-archive.com/mailman-users@python.org/ https://mail.python.org/archives/list/mailman-users@python.org/