On 6/19/23 12:17, Richard wrote:
Another issue on this relates to DMARC. If the mailing list doesn't
rewrite the From: header and your mail service provider's servers
enforce DMARC (DKIM/SPF), your mail service provider's servers will
reject messages from list senders whose domains have DMARC set. You
can often get a hint of this if you see messages on a list with
replies to messages that you haven't gotten. E.g., you never see
messages from person X, but you do see replies to their messages on
the list or their messages are in the list archive.
Mailman 3 has the necessary tools for dealing with this, but it looks
like mail.kde.org is still running version 2. So my guess is that
they aren't doing header rewriting, and that that's likely your
issue. You'll need to take this up with them.
See:<https://dmarcian.com/mailing-lists-dmarc/> for a very quick
intro to this issue.
As far as I can tell, the Fedora mailing list doesn't do this, either. I
get a STACK of error messages every time I send email to this list.
Every message says that the addresses I've published via DNS don't match
the IP address of the Fedora mailing list server, so I have to look at
dozens of error messages. It's incredibly frustrating. Like, frustrating
to the point that I am about to just quit using DMARC because the signal
to noise ratio is unacceptable.
--
Thomas
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