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