- Mailman-users - lists.mailman3.org

which mailman3 containers to use?
by Thing Oct. 6, 2026

Oct. 6, 2026

Hi, Is maxking/docker-mailman still the recommended container deployment for a new Mailman 3 installation in 2026? I am building a PoC on RHEL 10 using rootless Podman, with MariaDB running externally on the host (for now to ease backup issues). The repository appears somewhat inactive and its example compose file uses maxking/mailman-core:0.4 and maxking/mailman-web:0.4. Are these images still maintained and suitable for a new deployment, or is another container image or installation method now recommended? regards Steven

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Stopped getting my own messages to a list
by Lars Bjørndal Oct. 5, 2026

Oct. 5, 2026

I recently stopped getting my own messages when posting to one of the lists. I get my own mail when posting to other lists. Receive own postings is set to Yes. I'm a non-member on the list I'm posting to, but that list has another list as a member, and I'm a member of that list, with Receive my own post set to yes. I've not configured these lists for a long time, and it has worked until recently. Any idea on where to search for the cause? I've changed dmarc policy on the domain from none to quarantine. Should that matter? Lars

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How to delete empty archives by script?
by Andreas Vetter Oct. 5, 2026

Oct. 5, 2026

Hi, We usually configure our lists to have no archives, but sometimes this is done after hyperkitty already creates the empty archive. Is there a way (script) to delete empty archives using a script? Regards, Andreas

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finding all memberships for a user using a string match in REST API
by bulger＠baeri.org Oct. 4, 2026

Oct. 4, 2026

I'm trying to return all the memberships for members with email addresses that match a given string. The equivalent of 'mailman findmember jo', which returns 'john(a)example.com' and lists, 'joe(a)example.com' and lists, etc. What I'm doing now is finding users with a string match, then for each user getting their addresses, and then for each address getting memberships. Is there anything more direct? I tried to query memberships using 'user' but I guess that's not supported?

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Implement a simple non javascript captcha to mailman
by Lars Bjørndal Oct. 4, 2026

Oct. 4, 2026

I need to implement some sort of captcha for Mailman accounts. As all my lists are for Norwegians, I think it's enough to have a simple question in Norwegian that has to be answered. I'm not a Python programmer, and I asked Gemini. He suggested that I should add a settings_local.py file in /etc/mailman3, which settings.py from the same folder should import, as it have, at the end: ``` try: from .settings_local import * except ImportError: pass ``` But the code from settings_local.py doesn't semm to be run. The settings_local.py have: ``` import sys import os CURRENT_DIR = os.path.dirname(os.path.abspath(__file__)) if CURRENT_DIR not in sys.path: sys.path.insert(0, CURRENT_DIR) ACCOUNT_ADAPTER = 'mailman_local.adapter.CustomMailmanAccountAdapter' ACCOUNT_FORMS = {'signup': 'mailman_local.forms_no.DynamicMathCaptchaSignupForm'} INSTALLED_APPS += ('mailman_local',) ``` I have the directory /etc/mailman3/mailman_local with the following files: - adapter.py - forms_no.py - __init__.py If this at all is possible, I'd like to have the extra code/files in a place where an upgrade doesn't affect them, so /etc/mailman3 seems to be a good location. Do you have suggestions in how to get this or a similar approach to work? Thanks, Lars

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REST API list of endpoints?
by bulger＠baeri.org Oct. 2, 2026

Oct. 2, 2026

Is there a list of the commands available through the REST API? Or maybe it's something I could generate from some part of the code in the repository?

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problem with sqlalchemmy
by simo＠oziosi.org Sept. 28, 2026

Sept. 28, 2026

Hi after a pip reinstall, my mailman (3.3.10, on mariadb) fails with: ------------------------------- 2026-09-26 22:08:25 [FALCON] [ERROR] GET /3.1/lists?advertised=true&count=0&page=1 => Traceback (most recent call last): File "/opt/mailman/venv/lib/python3.11/site-packages/falcon/app.py", line 481, in __call__ responder(req, resp, **params) File "/opt/mailman/venv/lib/python3.11/site-packages/mailman/rest/lists.py", line 342, in on_get resource = self._make_collection(request) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/mailman/venv/lib/python3.11/site-packages/mailman/rest/helpers.py", line 171, in _make_collection start, total_size, collection = self._paginate( ^^^^^^^^^^^^^^^ File "/opt/mailman/venv/lib/python3.11/site-packages/mailman/rest/helpers.py", line 153, in _paginate total_size = len(collection) ^^^^^^^^^^^^^^^ File "/opt/mailman/venv/lib/python3.11/site-packages/mailman/utilities/queries.py", line 48, in __len__ .scalars(select(func.count()).select_from(self._query)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<sqlalchemy generated _generative() wrapper for sqlalchemy.sql.selectable.Select.select_from>", line 2, in select_from return target(fn, self, *froms) ^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/mailman/venv/lib/python3.11/site-packages/sqlalchemy/sql/base.py", line 296, in _generative x = fn(self, *args, **kw) ^^^^^^^^^^^^^^^^^^^^^ File "/opt/mailman/venv/lib/python3.11/site-packages/sqlalchemy/sql/selectable.py", line 6631, in select_from self._from_obj += tuple( ^^^^^^ File "/opt/mailman/venv/lib/python3.11/site-packages/sqlalchemy/sql/selectable.py", line 6632, in <genexpr> coercions.expect( File "/opt/mailman/venv/lib/python3.11/site-packages/sqlalchemy/sql/coercions.py", line 434, in expect return impl._implicit_coercions( ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/mailman/venv/lib/python3.11/site-packages/sqlalchemy/sql/coercions.py", line 1287, in _implicit_coercions self._raise_for_expected(element, argname, resolved) File "/opt/mailman/venv/lib/python3.11/site-packages/sqlalchemy/sql/coercions.py", line 705, in _raise_for_expected super()._raise_for_expected( File "/opt/mailman/venv/lib/python3.11/site-packages/sqlalchemy/sql/coercions.py", line 528, in _raise_for_expected raise exc.ArgumentError(msg, code=code) from err sqlalchemy.exc.ArgumentError: FROM expression, such as a Table or alias() object expected, got <sqlalchemy.sql.selectable.Select object at 0x7f1a27269050>. To create a FROM clause from a <class 'sqlalchemy.sql.selectable.Select'> object, use the .subquery() method. (Background on this error at: https://sqlalche.me/e/21/89ve) [26/Sep/2026:22:08:25 +0200] "GET /3.1/lists?advertised=true&count=0&page=1 HTTP/1.1" 500 38 "-" "GNU Mailman REST client v3.3.5" ------------------------------- I tried to add: debug: yes to [database] and [logging.database] level: debug path: mailman.database.log But i cannot get more details when the error happens. Any hints to help me debug the problem? many thanks, simon

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Moderation via command line
by alain williams Sept. 24, 2026

Sept. 24, 2026

I upgraded my server from Debian 12 to Debian 13. This broke several things one of which was mailman. It is now running 3.3.10-2. The web front end is not usable, it is failing with: django.db.utils.OperationalError: (1054, "Unknown column 'socialaccount_socialapp.provider_id' in 'SELECT'") so I suspect that some mysql tables were not modified. Anyway, until that is fixed I need to be able to do admin work. I have learned how to use the command line mailman-wrapper to add/remove users - great. What I need is the ability to see the posts that are held for moderation and release or remove them. Please what command line incantations should I use to do this ? Thanks in advance. -- Alain Williams Linux/GNU Consultant - Mail systems, Web sites, Networking, Programmer, IT Lecturer. +44 (0) 787 668 0256 https://www.phcomp.co.uk/ Parliament Hill Computers. Registration Information: https://www.phcomp.co.uk/Contact.html #include <std_disclaimer.h>

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Re: Restrict the visible mailing lists to the current domain? – SOLVED
by H.-Dirk Schmitt Sept. 20, 2026

Sept. 20, 2026

Am Sonntag, dem 20.09.2026 um 09:01 -0700 schrieb Mark Sapiro: > On 9/20/26 08:38, dirk(a)computer42.org wrote: > > > > my mailman instance is hosting mailing lists for different domains. > > How can I restrict the visible mailing lists to only the mailing > > list of the current domain. > > Set `FILTER_VHOST = True` in your `settings` file. > Thanks – this setting fixed my problem. IMHO it is undocumented in https://docs.mailman3.org/en/latest/ Best Regards, H.-Dirk Schmitt -- H.-Dirk Schmitt Dipl.Math. eMail:dirk.schmitt@computer42.org mobile:+49 177 616 8564 Signal:+221 786 084 539 Schillerstr. 42, D-53489 Sinzig pgp: http://www.computer42.org/~dirk/OpenPGP-fingerprint.html

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Restrict the visible mailing lists to the current domain?
by dirk＠computer42.org Sept. 20, 2026

Sept. 20, 2026

Hi! my mailman instance is hosting mailing lists for different domains. How can I restrict the visible mailing lists to only the mailing list of the current domain. See e.g. https://lists.weg-der-sterne.de/mailman3/postorius/lists/ or https://lists.computer42.org/mailman3/postorius/lists/ Both web sites are displaying all public lists – also from the „foreign“ domain. Best regards, H.-Dirk Schmitt

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