I had soft_bounce = yes. Thanks El 24/9/2021 a las 13:59, Wietse Venema escribió: > Wietse Venema: >> Francesc Pe?alvez: >>> I re-ask again since my postscreen responds to connections with dnsbl >>> code 450 instead of a 5xx, with which those servers are trying to resend >>> the mail again and again >>> >>> postfix/submission/postscreen[1724625]: NOQUEUE: reject: RCPT from >>> [XXX.XXX.XXX.XXX]:46994: 450 4.7.1 Service unavailable; client >>> [XXX.XXX.XXX.XXX] blocked using zen.spamhaus.org; >>> from=<laurel.trinklein-nazcar=almogavers....@shifts.top>, >>> to=<naz...@almogavers.net>, proto=ESMTP, helo=<mail.shifts.top> >>> >>> this my conf: >> With "postscreen_blacklist_action = enforce", postscreen logs DNSBL >> rejects as "550 5.7.1 Service unavailable...". > Correction - it logs the reject after doing the soft_bounce > modification. > >> With "soft_bounce = yes", postscreen will replace the status with >> "450 4.7.1" before it sends the reply to the SMTP client. > Wietse >
smime.p7s
Description: Firma criptográfica S/MIME