On Tue, Aug 4, 2026 at 5:17 PM Paul Tomblin via Mailman-users <
[email protected]> wrote:

> Judging by the bounce messages I’m seeing, somebody or somebodies are
> trying to sign up for accounts on my Mailman instance using fake email
> addresses. Can’t imagine what the end game is, other than annoying people
> with “please confirm your email address” emails when they use a real
> address.
>


There are ways to play their game that was discussed here:
1. Anubis -
https://cloud.uferwerk.org/s/a7nWGAjasrQpfSM?dir=/&editing=false&openfile=true

On my site, I use reCaptcha, but this solution is not portable without
pain, so go with Anubis.
If you aren't averse to pain then:
2. https://eu.kictanet.or.ke/~wash/mailman3-captcha-guide.html

-- 
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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