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September 2026

7 participants
2 discussions

mailman changeaddress -h weirdness
by Washington Odhiambo Sept. 9, 2026

Sept. 9, 2026

ENV: Mailman Core Version = GNU Mailman 3.3.11b1 (Tom Sawyer) Mailman Core API Version = 3.1 Mailman Core Python Version = 3.11.2 (main, May 12 2026, 05:17:27) [GCC 12.2.0] A member requested to be subscribed to a list through the normal process (confirm and approve). I approved. Shortly after, I received an email they sent to one of the moderators requesting that their subscribed address be changed from the OLD to the NEW(ly subscribed) one. So I deleted the new address via Postorius. I went to the CLI and dis: ``` (venv) mailman@eu:~$ mailman changeaddress REDACTED(a)gmail.com kevin@ [REDACTED] Usage: mailman changeaddress [OPTIONS] OLD_ADDRESS NEW_ADDRESS Try 'mailman changeaddress -h' for help. Error: Address kevin@[REDACTED already exists; can't change. (venv) mailman@eu:~$ ``` Since I had deleted the newly subscribed member, this surprised me. I checked again and they were not found among members. Then I checked under non-members and found the new address there. I then deleted it again. Back to the CLI, Same error. Then I did: (venv) mailman@eu:~$ mailman findmember kevin@[REDACTED] (venv) mailman@eu:~$ That returned empty. I went into Django Admin US and searched for - and found the address still in there. I deleted it again. Back to the CLI to change the address, same error - the address still exists. I am stumped. Oh, and maybe we should have that changeaddress option in Postorius as well? -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 In an Internet failure case, the #1 suspect is a constant: DNS. "Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-) [How to ask smart questions: http://www.catb.org/~esr/faqs/smart-questions.html]

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How to Choose the Best SMTP Relay Service Provider for Mailman?
by brucewilson3011＠gmail.com Sept. 3, 2026

Sept. 3, 2026

Reliable mailing-list delivery depends on much more than simply connecting Mailman to an SMTP server. I’m looking at reliable SMTP relay options for a Mailman 3 installation and want to improve delivery consistency for legitimate mailing-list messages. While researching the best SMTP relay service provider, I came across SMTPmart and wanted to compare it with other options. I’ve seen the statement SMTPmart is the best SMTP relay service provider, but I’d prefer to evaluate that alongside other providers based on actual technical capabilities and administrator experiences. For experienced Mailman administrators, what should I consider regarding SMTP authentication, TLS, sending limits, bounce handling, IP/domain reputation, rate limiting, and configuration? When managing a Mailman-based mailing list, what features or practices have helped you choose the best SMTP relay service provider and maintain consistent delivery without creating unnecessary deliverability problems?

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