smtp_data_xfer_timeout = 600s
smtpd_helo_required = yes
smtpd_helo_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_helo_hostname, reject_invalid_helo_hostname, check_helo_access pcre:/etc/postfix/helo_access.pcre
queue_run_delay = 300s
minimal_backoff_time = 300s
maximal_backoff_time = 4000s
enable_original_recipient = no
disable_vrfy_command = yes
home_mailbox = Maildir/
allow_min_user = no
message_size_limit = 15728640
virtual_minimum_uid = 2000
virtual_uid_maps = static:2000
virtual_gid_maps = static:2000
virtual_mailbox_base = /var/vmail
transport_maps = hash:/etc/postfix/transport
virtual_alias_maps = proxy:ldap:/etc/postfix/ad_virtual_alias_maps.cf, proxy:ldap:/etc/postfix/ad_virtual_group_maps.cf
virtual_mailbox_domains = /etc/postfix/domains
virtual_mailbox_maps = proxy:ldap:/etc/postfix/ad_virtual_mailbox_maps.cf
sender_bcc_maps =
recipient_bcc_maps =
relay_domains =
smtpd_sender_login_maps = proxy:ldap:/etc/postfix/ad_sender_login_maps.cf
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = xxxxxx.com
broken_sasl_auth_clients = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_authenticated_header = no
smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unlisted_recipient, check_policy_service inet:127.0.0.1:7777, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, check_policy_service inet:127.0.0.1:10031
smtpd_tls_security_level = may
smtpd_tls_loglevel = 0
smtpd_tls_key_file = /etc/pki/tls/private/mail_xxxx.key
smtpd_tls_cert_file = /etc/pki/tls/certs/mail_xxxx.crt
smtpd_tls_CAfile = /etc/pki/tls/certs/mail_xxxxx_CA.crt
tls_random_source = dev:/dev/urandom
# Uncomment below line to enable policyd sender throttle.
#smtpd_end_of_data_restrictions = check_policy_service inet:127.0.0.1:10032
mailbox_command = /usr/libexec/dovecot/deliver
virtual_transport = dovecot
dovecot_destination_recipient_limit = 1
smtpd_sasl_type = dovecot
smtpd_sasl_path = ./dovecot-auth
content_filter = smtp-amavis:[127.0.0.1]:10024
smtp-amavis_destination_recipient_limit = 1
relay_recipient_maps =
smtp_tls_security_level = may