This is the config for my SMTP server, anything stand out?
anvil_rate_time_unit = 180s body_checks = regexp:/etc/postfix/body_checks bounce_size_limit = 1500 broken_sasl_auth_clients = yes default_destination_concurrency_limit = 5 disable_vrfy_command = yes header_checks = regexp:/etc/postfix/header_checks html_directory = /var/www/html/postfix initial_destination_concurrency = 5 local_destination_concurrency_limit = 5 local_transport = error:local mail delivery disabled maximal_backoff_time = 90m message_size_limit = 14500000 mydomain = smtp1.example.net myhostname = smtp1.example.net mynetworks = 127.0.0.0/8 myorigin = example.net readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES relocated_maps = hash:/etc/postfix/relocated smtp_connect_timeout = 45s smtpd_data_restrictions = reject_multi_recipient_bounce smtpd_error_sleep_time = 0 smtpd_etrn_restrictions = reject smtpd_helo_required = yes smtpd_recipient_restrictions = reject_unauth_destination reject_non_fqdn_recipient reject_non_fqdn_sender reject_unlisted_recipient reject_invalid_hostname reject_unknown_sender_domain reject_unknown_recipient_domain smtpd_reject_unlisted_sender = yes smtpd_sasl_auth_enable = yes smtpd_sasl_local_domain = $myhostname smtpd_sender_login_maps = mysql:/etc/postfix/sql/relay_recipient_map.conf smtpd_sender_restrictions = permit_sasl_authenticated check_policy_service inet:127.0.0.1:10031 reject_sender_login_mismatch reject_unauth_destination reject_non_fqdn_recipient reject_non_fqdn_sender reject_unlisted_recipient reject_invalid_hostname reject_unknown_sender_domain reject_unknown_recipient_domain smtpd_tls_CAfile = /usr/share/ssl/certs/ca-bundle.crt smtpd_tls_cert_file = /etc/postfix/certs/smtp1.example.net.cert smtpd_tls_key_file = /etc/postfix/certs/smtp1.example.net.key smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:/etc/postfix/smtpd_scache smtpd_tls_session_cache_timeout = 7200s smtpd_use_tls = yes transport_maps = hash:/etc/postfix/transport virtual_alias_maps = hash:/etc/postfix/domains/localhost hash:/etc/postfix/domains/example.com hash:/etc/postfix/domains/example.net hash:/etc/postfix/domains/example.org