I may have a somewhat different problem, but I was getting subscription
attempts (to Mailman 2) through the web site from addresses that didn't
exist. I was worried about too much "backscatter" ruining our "reputation"
on services that prevent users from deciding what isn't spam.
I tried one of the recommended modifications, which was to add to
/etc/mailman/mm_cfg.py the simplest possible test to the web site, to
prevent "bots" from trying to sign up, which came from Defaults.py:
SUBSCRIBE_FORM_SECRET = "<sRiI8Cye0i9QpHq1yKlMMzQY>"
SUBSCRIBE_FORM_MIN_TIME = seconds(10)
CAPTCHAS = {
'en': [
('What is two times six?', '(12|twelve)'),
],
}
I'm not sure that the first line did any good, but the second one seems to
have worked like a charm. The problem completely went away. There are
fancier solutions in Defaults.py, but this one worked for me.
HOWEVER, I also had to edit
/var/lib/mailman/lists/jdm-society/en/listinfo.html
to add the line
<tr><td><mm-captcha-ui></td></tr>
just before the row with "Your name".
Jon
On 04/14/21 21:15, Bader, Robert (Bob) wrote:
> I think I have a situation where someone is sending email to one of my lists
> request address ie
> (lista-reque...@domain.com<mailto:lista-reque...@domain.com>) from an invalid
> email address (maybe spoofing the sending address). Or they may be able to
> trying to subscribe and entering an invalid email address on the wbesite.
>
> So what happens is the list admins gets a bunch of bounces. What is the best
> way to stop this? If I add an email to the ban section for a list, will
> mailman drop any email or requests from them if they are spoofing as a sender
> or trying to subscribe?
--
Jonathan Baron, Professor of Psychology, University of Pennsylvania
Home page: https://www.sas.upenn.edu/~baron
Editor: Judgment and Decision Making (http://journal.sjdm.org)
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