Am Mon, Feb 23, 2026 at 03:59:23PM -0800 schrieb Mark Sapiro: > On 2/23/26 13:56, Laurens Kils-Huetten wrote: > > > > I have recently installed mailman3 on a Debian trixie system. > > How? By following > <https://docs.mailman3.org/en/latest/install/virtualenv.html>, installing > Debian packages or ??
I've used the debian packages: apt install mailman3-full mailman3-web > > > While I managed to set up most of it (the mailing lists, postorius and > > also a working gateway to our inn2 news server) I'm seeing a weird > > duplication of messages, that seems to be related to the error > > messages posted below. > > > What is the result from the command `mailman conf -s nntp`? [nntp] gatenews_every: 5m [nntp] host: localhost [nntp] password: [nntp] port: 119 [nntp] remove_headers: nntp-posting-host nntp-posting-date x-trace x-complaints-to xref date-received posted posting-version relay-version received [nntp] rewrite_duplicate_headers: To X-Original-To CC X-Original-CC Content-Transfer-Encoding X-Original-Content-Transfer-Encoding MIME-Version X-MIME-Version [nntp] user: > What are all the settings for the list at Settings->Newsgroup Gateway in > Postorius? Gateway to mail: yes Gateway to news: yes Linked newsgroup: grenzland.test Newsgroup moderation: Not Moderated NNTP include subject prefix: No > > When I switch off gating to nntp the duplication stops. Also only mail > > messages are duplicated, not the postings on the news server. > > > > Any pointers as to what to look into, or how to remedy this problem > > are greatly appreciated :) > > > > Thanks, > > > > Laurens > > > > here come the error logs: > > Feb 23 20:39:08 2026 (2776528) ACCEPT: > > <[email protected]> > > Feb 23 20:39:10 2026 (2776528) ACCEPT: > > <[email protected]> > > The above duplicate post comes before the following error, so I don't think > the error is related to the duplication. makes sense, however when I set both Gateway flags to no I don't get those duplicates anymore. And obviously no error since mailman won't talk to NNTP. > > Feb 23 20:39:12 2026 (2776530) <[email protected]> > > NNTP error for [email protected] > > Traceback (most recent call last): > > File "/usr/lib/python3/dist-packages/mailman/runners/nntp.py", line 94, > > in _dispose > > conn.post(fp) > > ~~~~~~~~~^^^^ > > File "/usr/lib/python3/dist-packages/nntplib/__init__.py", line 916, in > > post > > return self._post('POST', data) > > ~~~~~~~~~~^^^^^^^^^^^^^^ > > File "/usr/lib/python3/dist-packages/nntplib/__init__.py", line 909, in > > _post > > return self._getresp() > > ~~~~~~~~~~~~~^^ > > File "/usr/lib/python3/dist-packages/nntplib/__init__.py", line 492, in > > _getresp > > raise NNTPTemporaryError(resp) > > nntplib.NNTPTemporaryError: 441 Can't set system Injection-Info header field > > This is a response from your nntp server. > > Note: the above traceback indicates that this nntplib is standard-nntplib > from PyPI which is normally only installed if Python is 3.13. If this is > Python 3.13 and you have installed Mailman from other than the head of the > gitlab branch, see > <https://lists.mailman3.org/archives/list/[email protected]/message/KQQEGPQJG7KWSFQ6R3VGZQQDHNHPKIVX/> It's python 3.13.5 I looked at the patch and it seems like the change is already applied to the debian package. Thank you so much for having a look at this! Cheers, lkh > > -- > Mark Sapiro <[email protected]> The highway is for gamblers, > San Francisco Bay Area, California better use your sense - B. Dylan > > _______________________________________________ > Mailman-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > https://lists.mailman3.org/mailman3/lists/mailman-users.mailman3.org/ > Archived at: > https://lists.mailman3.org/archives/list/[email protected]/message/SECXG4JU4I67CZ7CEKQQUWPXRELJK7L6/ > > This message sent to [email protected] -- https://social.sdf-eu.org/web/@lkh IRC: lkh on Libera.chat and others Discord: lkh#2319 _______________________________________________ Mailman-users mailing list -- [email protected] To unsubscribe send an email to [email protected] https://lists.mailman3.org/mailman3/lists/mailman-users.mailman3.org/ Archived at: https://lists.mailman3.org/archives/list/[email protected]/message/RFDH2KL722QAEHW7XHHIVTEUGF5EZUY5/ This message sent to [email protected]
