- Mailman-users - lists.mailman3.org

Pkl files with ".last" extension
by Keith Christian 12 Jul '24

12 Jul '24

In the MM2 to MM3 migration project I'm involved with, I see files with names like config.pkl.last along with config.pkl. Is there a special reason for the ".last" extension and if so, what is it? Thanks, -------- Keith

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bulk deletion of messages from Hyperkitty
by Danil Smirnov 12 Jul '24

12 Jul '24

Hi, community! After importing from Mailman 2, thousands of badly compiled messages from the past appeared with empty content on the same date (date of import). Is there a safe way to delete them all? If we delete them from the database - hyperkitty_email table - do we need to do some clean-up of hyperkitty_thread table as well? Any advice? BR, Danil Smirnov

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Hyperkitty stuck files
by zoltan＠circle-interactive.co.uk 11 Jul '24

11 Jul '24

Hi, I have a mailman3 setup in venv with python 3.11.2 mailman 3.3.9 mailman-hyperkitty 1.2.1 I feel I have read a lot about issues with stucked files in spool directory still I am not able to proceed with debugging in my case. Ideas would be welcome and appreciated. Thanks This is the error in archiver.log Jul 09 10:56:12 2024 (47531) HyperKitty archiver processing queued filebase: 1720522497.980487+a88492922feca24ced15594a5ec16556195 6f3ad Jul 09 10:56:12 2024 (47531) hyperkitty archiver: sending message <B9E91239-ED71-4CC6-8FFF-3308C5C4DE2E(a)me.com> Jul 09 10:56:12 2024 (47531) HyperKitty failure on http://127.0.0.1:8000/archives/api/mailman/archive: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Server Error</title> <link rel="shortcut icon" href="/static/postorius/img/favicon.ico"> <link rel="stylesheet" href="/static/postorius/libs/bootstrap/css/bootstrap.min.css"> <link rel="stylesheet" href="/static/django-mailman3/css/main.css"> <link rel="stylesheet" href="/static/postorius/css/style.css"> </head> <body> <div class="container"> <h1>Server error</h1> <div class="alert alert-danger">An error occurred while processing your request.</div> </div> </body> </html> (500) Jul 09 10:56:12 2024 (47531) Could not archive the message with id <B9E91239-ED71-4CC6-8FFF-3308C5C4DE2E(a)me.com> Jul 09 10:56:12 2024 (47531) archiving failed, re-queuing (mailing-list act.lists.contextualscience.org, message <B9E91239-ED71-4CC6-8FFF-3308C5C4DE2E(a)me.com>) Jul 09 10:56:12 2024 (47531) Exception in the HyperKitty archiver: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Server Error</title> <link rel="shortcut icon" href="/static/postorius/img/favicon.ico"> <link rel="stylesheet" href="/static/postorius/libs/bootstrap/css/bootstrap.min.css"> <link rel="stylesheet" href="/static/django-mailman3/css/main.css"> <link rel="stylesheet" href="/static/postorius/css/style.css"> </head> <body> <div class="container"> <h1>Server error</h1> <div class="alert alert-danger">An error occurred while processing your request.</div> </div> </body> </html> Jul 09 10:56:12 2024 (47531) Traceback (most recent call last): File "/opt/mailman/venv/lib/python3.11/site-packages/mailman_hyperkitty/__init__.py", line 158, in _archive_message url = self._send_message(mlist, msg) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/mailman/venv/lib/python3.11/site-packages/mailman_hyperkitty/__init__.py", line 228, in _send_message raise ValueError(result.text) ValueError: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Server Error</title> <link rel="shortcut icon" href="/static/postorius/img/favicon.ico"> <link rel="stylesheet" href="/static/postorius/libs/bootstrap/css/bootstrap.min.css"> <link rel="stylesheet" href="/static/django-mailman3/css/main.css"> <link rel="stylesheet" href="/static/postorius/css/style.css"> </head> <body> <div class="container"> <h1>Server error</h1> <div class="alert alert-danger">An error occurred while processing your request.</div> </div> </body> </html>

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Postfix SMTP REJECT non-subscribers
by Matthew Blissett 11 Jul '24

11 Jul '24

Hi, With Mailman 2, I have configuration and scripts to reject non-members from posting to lists _during the SMTP connection_. This is better than bouncing (no backscatter), better than discarding messages (the user finds out) and better than moderation (spammy messages aren't forwarded to external email systems). The configuration and scripts are described here: https://code.launchpad.net/~jimpop/mailman/check_subscriber Is anything like this built-in to Mailman 3? I cannot find it in Gitlab. Thanks, Matt

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An issue with the postfix_domains directory creation and the mailman start command.
by Keith Christian 10 Jul '24

10 Jul '24

From Mark's reply of Jul 5, 2024, 3:18 PM: RE: The `mailman aliases` command generates the postfix_domains and postfix_lmtp files and calls the configured postmap_command (default /usr/sbin/postmap) to create the .db files. `mailman start` also generates these files by default. 1 [mailman3@somehost ~]$ ./venv/bin/mailman start 2 Starting Mailman's master runner 3 Generating MTA alias maps 4 [mailman3@somehost ~]$ sudo ls -l /opt/mailman3/mm/var/data/postfix_domains 5 ls: cannot access '/opt/mailman3/mm/var/data/postfix_domains': No such file or directory 6 [mailman3@somehost ~]$ ls -dl /opt/mailman3/mm/var/data/ 7 drwxr-xr-x. 2 mailman3 mailman3 6 Jul 5 13:38 /opt/mailman3/mm/var/data/ What should I do about lines 4-7? Thought it might be a permissions issue but it's owned by the correct user. Not sure that i missed any steps, suggestions appreciated.

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Dropdown problem in postorius due to bootstrap
by Greg Newby 09 Jul '24

09 Jul '24

(My first post) As has been observed, the Ubuntu 24.04 LTS packaging for native Mailman3 can be challenging. I've been solving all kinds of issues, and I'm writing here about something I've so far been unable to solve. The problem: *In Postorius, dropdown menus are not working*. I.e., as a list admin you can click on a menu option like "Users" or "Mass operations," and nothing happens. As a regular user, the top-right icon to manage settings and logout does not do anything. The same behavior occurs regardless of which browser I use. The dropdown in HyperKitty works, and HyperKitty uses a different code base. In the browser developer console (Firefox & others), the error is: “Uncaught TypeError: n.createPopper is not a function.” I've dug deeply into this. The relevant <script> is bootstrap.min.js. Postorius (via django) is using version 5.3.1 via package libjs-bootstrap5: ** This is what django is using: /usr/share/bootstrap-html/js/bootstrap.bundle.min.js -- version 5.3.1, linked to: /usr/share/javascript/bootstrap5/js/bootstrap.bundle.min.js /usr/share/python3-django-postorius/static/postorius/libs/bootstrap/js/bootstrap.bundle.min.js Here is detail of the error from the Firefox developer console: Uncaught TypeError: n.createPopper is not a function _createPopper dropdown.js:241 show dropdown.js:139 toggle dropdown.js:121 <anonymous> dropdown.js:446 i event-handler.js:118 R event-handler.js:184 on event-handler.js:216 <anonymous> dropdown.js:444 <anonymous> bootstrap.bundle.min.js:6 <anonymous> bootstrap.bundle.min.js:6 By temporarily replacing /usr/share/python3-django-postorius/static/postorius/libs/bootstrap/js/bootstrap.bundle.min.js I have tried moving back to 4.6.1 (from libjs-bootstrap4). I have also retrieved the latest 5.3.1 from the CDN, which is slightly different but doesn't change the error: https://cdn.jsdelivr.net/npm/bootstrap@5.3.1/dist/js/bootstrap.bundle.min.js Here's the JavaScript section from the bottom of a sample page from my Postorius site (view-source: https://lists.ogf.org/mailman3/postorius/lists/gfsg.lists.ogf.org/held_mess… ): <script src="/mailman3/static/postorius/libs/jquery/jquery-3.6.0.min.js"></script> <script src="/mailman3/static/postorius/libs/bootstrap/js/bootstrap.bundle.min.js"></script> <script src="/mailman3/static/django-mailman3/js/main.js"></script> <script src="/mailman3/static/postorius/js/script.js" defer></script> <script> // Add the .js-enabled class to the body so we can style the elements // depending on whether Javascript is enabled. $(document).ready(function(){ $("body").addClass("js-enabled"); $(".gravatar").addClass("rounded-circle"); }); </script> I would appreciate suggestions about how to solve this problem. Thanks to everyone who is doing a great job building and supporting Mailman3. I've been using Mailman2 for a long time, and have dozens of lists on multiple servers. ~ Greg Newby

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hyperkitty_import performance boosting potential
by dlb-ml＠anl.gov 09 Jul '24

09 Jul '24

Our organization is moving to MM3 from MM2, and I'm at the point where I am testing importing our archives. However, many of the lists that we want to transfer over have pretty large mbox files, so it takes a significant amount of time for it to process them. I can throw all of the resources I need at it in order to make it faster, but I'm not sure if the import application is single-threaded only. Is there a way to enable a multi-threaded option? Can I safely run multiple commands at the same time using something like /usr/bin/parallel? Thanks

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E-mail every minute: "Cron <www-data@sharky5> ..."
by Robert Heller 08 Jul '24

08 Jul '24

What am I missing? I *think* I have mailman3 *mostly* setup, but there are still some configuration things that are missing, but I am not sure how to fix them (the docs are NOT clear). I am getting an e-mail *every* minute that looks like: From www-data(a)deepsoft.com Sat Jul 6 17:38:03 2024 Return-Path: <www-data(a)deepsoft.com> X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-13) on sharky5.deepsoft.com X-Spam-Level: X-Spam-Status: No, score=-850.0 required=5.0 tests�YES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NO_RELAYS,URIBL_BLOCKED, USER_IN_WELCOMELIST autolearn=ham autolearn_force=no version=4.0.0 X-Original-To: www-data Delivered-To: www-data(a)deepsoft.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d�epsoft.com; s�epsoft.com; t20301883; bh=qGrVTBfV1NiqgxCIzSaXwoKZ0lKxKvaK56k31yXU2Sk=; h=From:To:Subject:Date:From; b=jTml1ZF+qGkmS2tcz5kgZHjOyPxeaWIQiX1mzAF3ZfZWb0ziVLxutkcej5mGapUOq PpH6ExYM1TEipMTYQ/JRY/74vz2dEpebDrZqjyY3KakxLWiyFFEb5glmQYZGvz9wr2 e5ljD0Shku4fbRoaxO7XMQCn/fmx3+D8tI/ZPbMQReceived: by sharky5.deepsoft.com (Postfix, from userid 33) id 5257D4C1296; Sat, 6 Jul 2024 17:38:03 -0400 (EDT) From: root(a)deepsoft.com (Cron Daemon) To: www-data(a)deepsoft.com Subject: Cron <www-data@sharky5> [ -f /usr/bin/django-admin ] && flock -n /var/run/mailman3-web/cron.minutely /usr/share/mailman3-web/manage.py runjobs minutely MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Cron-Env: <SHELL=/bin/sh> X-Cron-Env: <HOME=/var/www> X-Cron-Env: <PATH=/usr/bin:/bin> X-Cron-Env: <LOGNAME=www-data> Message-Id: <20240706213803.5257D4C1296(a)sharky5.deepsoft.com> Date: Sat, 6 Jul 2024 17:38:03 -0400 (EDT) X-Scanned-By: MIMEDefang 3.3 on 108.161.129.198 Status: R /usr/lib/python3/dist-packages/django_q/conf.py:139: UserWarning: Retry and timeout are misconfigured. Set retry larger than timeout, failure to do so will cause the tasks to be retriggered before completion. See https://django-q.readthedocs.io/en/latest/configure.html#retry for details. warn( System check identified some issues: WARNINGS: django_mailman3.MailDomain: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the DjangoMailman3Config.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. django_mailman3.Profile: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the DjangoMailman3Config.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Attachment: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Email: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Favorite: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.LastView: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.MailingList: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Profile: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Tag: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Tagging: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Thread: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.ThreadCategory: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Vote: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. postorius.EmailTemplate: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the PostoriusConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. And I get this output from sudo mailman-web check --no-color : System check identified some issues: WARNINGS: django_mailman3.MailDomain: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the DjangoMailman3Config.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. django_mailman3.Profile: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the DjangoMailman3Config.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Attachment: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Email: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Favorite: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.LastView: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.MailingList: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Profile: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Tag: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Tagging: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Thread: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.ThreadCategory: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. hyperkitty.Vote: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the HyperKittyConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. postorius.EmailTemplate: (models.W042) Auto-created primary key used when not defining a primary key type, by default 'django.db.models.AutoField'. HINT: Configure the DEFAULT_AUTO_FIELD setting or the PostoriusConfig.default_auto_field attribute to point to a subclass of AutoField, e.g. 'django.db.models.BigAutoField'. System check identified 14 issues (0 silenced). Again, the docs are not helpful (at least not to me). -- Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364 Deepwoods Software -- Custom Software Services http://www.deepsoft.com/ -- Linux Administration Services heller(a)deepsoft.com -- Webhosting Services

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Mailman 3 install questions: HAYSTACK_CONNECTIONS
by heller＠deepsoft.com 07 Jul '24

07 Jul '24

I am using the debian 12 repo versions of mailman3, django, posterious, hyperkitty, and xapian: sharky5% dpkg-query -l python3-{django,django-mailman3,django-hyperkitty,django-postorius,xapian} mailman3\* | grep '^ii' ii mailman3 3.3.8-2~deb12u2 all Mailing list management system ii mailman3-doc 3.3.8-2~deb12u2 all Mailing list management system documentation ii mailman3-web 0+20200530-2.1 all Django project integrating Mailman3 Postorius and HyperKitty ii python3-django 3:3.2.19-1+deb12u1 all High-level Python web development framework ii python3-django-hyperkitty 1.3.7-1 all Web user interface to access GNU Mailman3 archives ii python3-django-mailman3 1.3.9-1 all Django library to help interaction with Mailman3 (Python 3 version) ii python3-django-postorius 1.3.8-3 all Web user interface to access GNU Mailman3 ii python3-xapian 1.4.22-1 amd64 Xapian search engine interface for Python3 Before adding the HAYSTACK_CONNECTIONS options, I have this: sharky5% sudo mailman-web haystack_info --no-color --skip-checks Number of handled 1 index(es). - Model: Email by Index: <hyperkitty.search_indexes.EmailIndex object at 0x7fd0de1b0470> When I add this to /etc/mailman3/maymail_web.py (adapted from the section titled: "Setting up Fulltext search (xapian)" on https://docs.mailman3.org/en/latest/install/virtualenv.html#set-up-xapian HAYSTACK_CONNECTIONS = { 'default': { 'PATH': "/var/lib/mailman3/web/fulltext_index", 'ENGINE': 'xapian_backend.XapianEngine' }, } I get: File "/usr/lib/python3.11/importlib/__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<frozen importlib._bootstrap>", line 1206, in _gcd_import File "<frozen importlib._bootstrap>", line 1178, in _find_and_load File "<frozen importlib._bootstrap>", line 1142, in _find_and_load_unlocked ModuleNotFoundError: No module named 'xapian_backend' So, do I use Xapian or not? Is something missing somewhere? Is this a documentation bug or something else? -- Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364 Deepwoods Software -- Custom Software Services http://www.deepsoft.com/ -- Linux Administration Services heller(a)deepsoft.com -- Webhosting Services

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Subject Munging
by Sam Darwin 06 Jul '24

06 Jul '24

Hi, We have a user who is proposing that reply messages from a mailing list should be in the following format: Re: [MM3-users] Ubuntu 24.04 upgrade notes and not [MM3-users] Re: Ubuntu 24.04 upgrade notes Their reason... is that mailman2, and other lists, used to do it that way. I myself am agnostic about the difference, and probably prefer to keep things the way mailman3 recommends. The questions are: 1. What could be explained to the user to convince them the new method is preferable. 2. Can this be customized with a Setting? (Not that we will end up modifying it. Just curious). Thanks.

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