address_verify_map = btree:/etc/postfix/verify
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
daemon_directory = /usr/lib/postfix
mailbox_command =
mailbox_size_limit = 0
message_size_limit = 25000000
mydestination = imail.<mydomain>.com, localhost
mynetworks = 127.0.0.0/8, 10.20.30.0/24, 141.175.97.0/24, 141.175.96.0/24, 216.232.202.0/24, hash:/var/lib/pop-before-smtp/hosts
myorigin = /etc/mailname
recipient_delimiter = +
relay_domains = <mydomain>
setgid_group = postdrop
smtp_tls_note_starttls_offer = yes
smtp_use_tls = yes
smtpd_banner = $myhostname ESMTP $mail_name
smtpd_client_restrictions = permit_mynetworks,  permit_mx_backup,       permit_sasl_authenticated,      reject_invalid_hostname,        reject_non_fqdn_sender, reject_non_fqdn_hostname,      reject_unknown_sender_domain,   reject_unknown_recipient_domain,        reject_maps_rbl,        check_relay_domains,    reject_rbl_client bl.spamcop.net,    reject_rbl_client malaysia.blackholes.us,    reject_rbl_client nigeria.blackholes.us,    reject_rbl_client cbl.abuseat.org,    reject_rbl_client opm.blitzed.org,    reject_rbl_client relays.ordb.org,    reject_rbl_client sbl.spamhaus.org,    reject_rbl_client list.dsbl.org,    reject_rbl_client dnsbl.ahbl.org,    reject_rbl_client dnsbl.njabl.org,    reject_rbl_client dynablock.njabl.org,    reject_rhsbl_sender dsn.rfc-ignorant.org,    reject_rhsbl_sender blackhole.securitysage.com
smtpd_recipient_restrictions = permit_mynetworks,       reject_unauth_destination,      reject_unverified_recipient
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain =
smtpd_sasl_security_options = noanonymous
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = yes
tls_random_source = dev:/dev/urandom
transport_maps = hash:/etc/postfix/transport
virtual_alias_maps = hash:/etc/postfix/virtual