You are correct. I do see the address correctly VERPed in the Return-Path: header. Thank you for clarifying that.
After going back to look at older emails from mailman 2, I guess I was wrong. I'm just fighting a few auto-responders that don't get any hint as to what email address is subscribed. Luckily it's only a few and I guess I'll just block them. Thanks, John On Sun, Feb 08, 2026 at 02:17:41AM +0900, Stephen J. Turnbull wrote: > Redirecting to Mailman 3 users <[email protected]>. > > John Price via Mailman-Users writes: > > > I attempted to setup VERP on Mailman3 and it doesn't seem to be > > changing the sender address. > > Please explain why you think that. > > Note: The sender address that is changed is the envelope address. You > won't see it in the message headers in most cases. There should be > relevant log messages in your MTA log that have the envelope sender as > "from=<...sender...>" in the case of Postfix. I forget what Exim4 and > Sendmail use. > > > What else should I provide that will help? > > - Log entries from Mailman and the MTA pertaining to one or more > messages that should have been VERPed. > - What is your MTA? > - What is the setting for recipient_delimiter (if Postfix, or the > equivalent for other MTAs)? > - How did you install Mailman? Note that if you installed from Debian > packages, the first thing you should do is contact the Debian > maintainers for their packages. > > The rest of this message is preserved from the original post to > [email protected] for completeness. > > Steve > > > I don't know what the problem is. > > > > I am using the '_' character for my verp delimiter. This is what I > > have been using with mailman2 for about 15 years. It has been > > working perfectly. > > > > I'm using Postfix 3.10.5. > > > > $ mailman conf | grep verp > > [mta] verp_confirm_format: ${address}_${cookie} > > [mta] verp_confirm_regexp: ^(.*<)?(?P<addr>[^_]+?)_(?P<cookie>[^@]+)@.*$ > > [mta] verp_confirmations: yes > > [mta] verp_delimiter: _ > > [mta] verp_delivery_interval: 1 > > [mta] verp_format: ${bounces}_${local}=${domain} > > [mta] verp_personalized_deliveries: yes > > [mta] verp_probe_format: ${bounces}_${token}@${domain} > > [mta] verp_probe_regexp: ^(?P<bounces>[^_]+?)_(?P<token>[^@]+)@.*$ > > [mta] verp_probes: yes > > [mta] verp_regexp: > ^(?P<bounces>[^_]+?)_(?P<local>[^=]+)=(?P<domain>[^@]+)@.*$ > > > > $ mailman info > > GNU Mailman 3.3.10 (Tom Sawyer) > > Python 3.13.5 (main, Jun 25 2025, 18:55:22) [GCC 14.2.0] > > config file: /etc/mailman3/mailman.cfg > > db url: > mysql+pymysql://mm3:blah@localhost/mailman3?charset=utf8&use_unicode=1 > > devmode: DISABLED > > REST root url: https://localhost:8001/3.1/ > > REST credentials: admin:password > > > > $ cat /etc/debian_version > > 13.3 > > > > TIA, > > John > > -- > GNU Mailman consultant (installation, migration, customization) > Sirius Open Source https://www.siriusopensource.com/ > Software systems consulting in Europe, North America, and Japan -- Did you hear about the blind alcoholic? He walked into a bar! Have a great day and don't forget to laugh! http://www.gcfl.net (The Good, Clean Funnies List): Good, clean daily funnies you can safely tell your Mom! _______________________________________________ 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/ERD6YUBRBV4X5WDNHTMDTZ5RGHHW7EHG/ This message sent to [email protected]
