Hi, Wanted to add to my previous post.
> For compleness, here is my smtpd_recipient_restrictions: > > smtpd_recipient_restrictions = > reject_non_fqdn_recipient, > check_client_access hash:/etc/postfix/client_checks_special, > check_sender_access hash:/etc/postfix/sender_checks_special, > reject_non_fqdn_sender, > reject_unlisted_recipient, > permit_mynetworks, > reject_unauth_destination, > reject_unknown_sender_domain, > reject_unknown_recipient_domain, > reject_rhsbl_reverse_client mykey.dbl.dq.spamhaus.net, > reject_rhsbl_sender mykey.dbl.dq.spamhaus.net, > reject_rhsbl_helo mykey.dbl.dq.spamhaus.net > check_helo_access pcre:/etc/postfix/helo_checks.pcre, > reject_invalid_helo_hostname, > check_policy_service inet:127.0.0.1:2501, > check_client_access hash:/etc/postfix/client_checks, > check_sender_access hash:/etc/postfix/sender_checks, > check_recipient_access pcre:/etc/postfix/relay_recips_access, > check_recipient_access pcre:/etc/postfix/property_recip_map, > check_recipient_access pcre:/etc/postfix/recipient_checks, > check_recipient_access pcre:/etc/postfix/relay_recips_ecartis, > permit I remembered that I previously added unknown hosts to sender_checks_special, and this file was created in the first place because the regular sender_checks file was too far down for helo checks, so it was created to disrupt my config as little as possible. Thanks, Alex