On Thu, Apr 09, 2026 at 04:49:38PM -0700, Randy Bush via Postfix-users wrote:
> but then postfix seems to be telling the sender to retry later 450. > > 2026-04-09T23:15:36.547760+00:00 m0 postfix/smtpd[4892]: NOQUEUE: reject: > RCPT from > mail-australiaeastazrln10220002.outbound.protection.outlook.com[52.103.200.2]: > 450 4.1.1 <[email protected]>: Recipient address rejected: unverified address: > delivery temporarily suspended: connect to psg.com[147.28.0.62]:25: > Connection timed out; from=<[email protected]> > to=<[email protected]> proto=ESMTP > helo=<SY8PR01CU002.outbound.protection.outlook.com> Consider changing the safety-net default unverified_recipient_reject_code = 450 to: unverified_recipient_reject_code = 550 -- Viktor. 🇺🇦 Слава Україні! _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
