compatibility_level = 3.6 queue_directory = /var/spool/postfix data_directory = /var/lib/postfix mail_owner = postfix setgid_group = postdrop header_checks = regexp:{ { /^Received:.*/ IGNORE }, { /^X-Originating-IP:.*/ IGNORE } } mail_spool_directory = /var/mail/ myhostname = @HOSTNAME@ smtpd_use_tls = yes smtpd_tls_cert_file = /etc/letsencrypt/live/@HOSTNAME@/fullchain.pem smtpd_tls_key_file = /etc/letsencrypt/live/@HOSTNAME@/privkey.pem smtp_use_tls = $smtpd_use_tls smtp_tls_cert_file = $smtpd_tls_cert_file smtp_tls_key_file = $smtpd_tls_key_file smtp_tls_security_level = may recipient_delimiter = + smtpd_sasl_tls_security_options = noanonymous smtpd_tls_security_level = may smtpd_tls_auth_only = yes smtpd_relay_restrictions = $smtpd_recipient_restrictions smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes cyrus_sasl_config_path = /etc/sasl2 debug_peer_list = 127.0.0.1 milter_default_action = accept