> > If "my-mail-server-IP" is in fact your mail server's IP, then you may > > have a problem: spammers may be using your server as a relay for > > spoofed emails. > > It is also possible, or even likely that these are the result of bad > actors maliciously requesting subscriptions for 3rd parties. Since this > is a 421 status, these mails should remain queued in your mail server > for a while and can be examined[1]. If this is the case, you may be able > to mitigate this by setting > SHOW_ANONYMOUS_SUBSCRIBE_FORM = False > in your Django settings. See > https://docs.mailman3.org/projects/postorius/en/latest/news.html#news-1-3-9 > [1] For example if your MTA is Postfix > postcat /var/spool/deferred/4/4d08rT4xMHzMCD6S > and if that shows a subscription or email verification request > postsuper -d 4d08rT4xMHzMCD6S > to delete it so it isn't retried. > -- this is most likely the case. I tried adding the setting in Django as suggested but it doesnot seem to work. I see the documentation is for Postorius 1.3.9 but my version is 1.3.8 I suppose I need to upgrade Postorius _______________________________________________ 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/QEMRUOYGLURHJRHK2ULXWH4BRUZYPN36/
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