On 10/29/20 5:48 PM, Viktor Dukhovni wrote:
On Thu, Oct 29, 2020 at 05:44:55PM -0700, PGNet Dev wrote:my postfix config includes unknown_client_reject_code = 550------a legit sender, sending from their provider, accidentally typo'd their own sender address------2020-10-28T13:15:23.753811-07:00 svr017 postfix/postscreen-internal/smtpd[24098]: NOQUEUE: reject: RCPT from smtp.clearbearing.net[64.25.214.9]: 450 4.1.8 <legitsen...@example.con>: Sender address rejected: Domain not--------------found; from=<legitsen...@example.con> to=<m...@mydomain.com> proto=ESMTP helo=<obermeyer.clearbearing.net>$ postconf -d | grep '_reject_code' access_map_reject_code = 554 invalid_hostname_reject_code = 501 maps_rbl_reject_code = 554 multi_recipient_bounce_reject_code = 550 non_fqdn_reject_code = 504 plaintext_reject_code = 450 relay_domains_reject_code = 554 unknown_address_reject_code = 450 unknown_client_reject_code = 450 unknown_hostname_reject_code = 450 unknown_local_recipient_reject_code = 550 unknown_relay_recipient_reject_code = 550 unknown_virtual_alias_reject_code = 550 unknown_virtual_mailbox_reject_code = 550 unverified_recipient_reject_code = 450 unverified_sender_reject_code = 450
Any questions?
"A less patronising tone would be welcome ..."
