Hi everyone, We're running multi-instance postfix 3.1.15 and we want to rewrite message headers via LDAP tables using smtp generic (so that it happens after transport selection).
Our transport table has: domain1.invalid affiliate:[external1.invalid] And master.cf has: affiliate unix - - n - - smtp -o smtp_generic_maps=${ldap}generic-ldap.cf smtp_generic_maps is unset in main.cf: $ postmulti -i postfix-mta-out -x postconf smtp_generic_maps smtp_generic_maps = We get the following warning in our logs: 2021-02-16T20:41:17.544+00:00 server.invalid postfix-mta-out/proxymap[634976]: warning: to approve this table for read-only access, list proxy:ldap:/etc/postfix-mta-out/generic-ldap.cf in main.cf:proxy_read_maps To get around this, in main.cf, we set: proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps $sender_bcc_maps $recipient_bcc_maps $smtp_generic_maps $lmtp_generic_maps $alias_maps $smtpd_client_restrictions $smtpd_helo_restrictions $smtpd_sender_restrictions $smtpd_relay_restrictions $smtpd_recipient_restrictions $address_verify_sender_dependent_default_transport_maps $address_verify_sender_dependent_relayhost_maps $address_verify_transport_maps $fallback_transport_maps $lmtp_discard_lhlo_keyword_address_maps $lmtp_pix_workaround_maps $lmtp_sasl_password_maps $lmtp_tls_policy_maps $mailbox_command_maps $mailbox_transport_maps $postscreen_discard_ehlo_keyword_address_maps $rbl_reply_maps $sender_dependent_default_transport_maps $sender_dependent_relayhost_maps $smtp_discard_ehlo_keyword_address_maps $smtp_pix_workaround_maps $smtp_sasl_password_maps $smtp_tls_policy_maps $smtpd_discard_ehlo_keyword_address_maps $virtual_gid_maps $virtual_uid_maps, proxy:ldap:/etc/postfix-mta-out/generic-ldap.cf Is this only necessary because we're setting smtp_generic_maps in master.cf instead of main.cf? Thanks, -Matt