Tom, Good point. It has been a LONG time since I wandered into attempting to read email headers. Here is a sample header from the list that recently had the domain related bounce issue Let me know if you see anything that is mis-configured. BTW, the ISP is going to switch to the current Mailman version 3 fairly soon. I don't know if this is going to help the situation or not.
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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: msing-ride-boun...@lists.msinglinks.org Sender: MSing-ride <msing-ride-boun...@lists.msinglinks.org> ============================================================================================================= On Sun, Jan 31, 2021 at 12:46 PM Thomas Coradeschi via Mailman-Users < mailman-users@python.org> wrote: > > > On 30 Jan 2021, at 5:22 PM, steve lund <slund...@gmail.com> wrote: > > > > Mark, > > > > On Fri, Jan 29, 2021 at 10:36 AM Mark Sapiro <m...@msapiro.net> wrote: > > > >> On 1/29/21 5:38 AM, steve lund wrote: > >>> > >>> ...And everyone else who replied, yes, this does indeed look like a > DMARC > >>> issue. I looked at the help pages and it looks like some things can be > >>> changed but from what I gather any changes would likely affect > >>> functionality for the users. > >>> > >>> I am a member of a different list that munged the FROM header to the > list > >>> address with the down side that ALL replies had to go back through the > >> list > >>> even if it was specific to one individual. Not a great experience just > to > >>> pick up a few members who had AOL email domains. > >> > >> > >> Is this a Mailman list? Both Mailman 2.1 and Mailman 3 take pains to > >> create Munged From messages which exhibit the same behavior for 'reply' > >> and 'reply-all' as non-munged messages. Here's what we say: > >> > > > > I don't know if it was a Mailman list or not. This was 2-3 years ago. I > > looked at a current list message and there is no indication of the list > > sender. Is there any way that I can send a query to get this information? > > Look at the message headers - if it’s a mailman list, you should find > > X-Mailman-Version: xx.yy.zz > > > — > Tom Coradeschi > tjc...@icloud.com > > ------------------------------------------------------ > 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/ > ------------------------------------------------------ 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/