Hallo, For as long as I can I remember, I have blocked connections purporting to be my own domain/IP address using a postmapped file called helo_checks.
This is checked AFTER permit_sasl_authenticated. smtpd_recipient_restrictions = reject_non_fqdn_sender, reject_non_fqdn_recipient, permit_sasl_authenticated, reject_sender_login_mismatch, rejected_authenticated_sender_login_mismatch, check_helo_access hash:/etc/postfix/helo_checks, . . . permit_mynetworks, reject_unauth_destination, a bunch more RBLs, permit Since upgrading to 2.11 yesterday (yes, I am on a path to move up through debian versions), all mail coming in on postfix/submission/smtpd is being rejected by the domain check in that file, even though the user is sasl authenticated. Can someone help me figure out why? I can probably remove/comment the offending line and rely on other rejection parameters, but it still rejects a significant of spam attempts, so I'd prefer to keep it. Many thanks. Simon
