On Wed, 21 Jan 2026 03:17:25 -0800, Matus UHLAR - fantomas via Postfix-users wrote:
> If you forward recipients of bogus.com to well-known smtp server, and > that server is able to reject non-existing users, you can use > reject_unverified_recipient > as described in > http://www.postfix.org/ADDRESS_VERIFICATION_README.html which is really helpful and works quite well, but i could use a bit more guidance 2026-01-24T23:05:06.468429+00:00 m0 postfix/smtp[198459]: 2224EFF995: to=<[email protected]>, relay=my-relay.com[2001:418:19::63]:25, delay=1.3, delays=0.51/0.02/0.74/0.07, dsn=5.0.0, status=bounced (host my-relay.com[2001:418:19::63] said: 550 unknown user (in reply to RCPT TO command)) `status=bounced` means that the spam caused the system to try to send a bounce back to the sender^Hspammer. i realize that tradidionally one wants a human sender to know that claire emimigrated to santiago in 2014. on the other hand, spam predominates and the sender is often spoofed or just a commercial machine gun. so the bounce is just adding to global pollution. what is the wise path? is there one, or is this rock and hard place? randy _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
