compatibility_level = 2

mail_owner = postfix
myhostname = {{getenv "MYHOSTNAME"}}
mydomain = {{getenv "MYDOMAIN"}}
myorigin = $mydomain
mydestination = localhost

unknown_local_recipient_reject_code = 550
mynetworks_style = subnet
relay_domains = $mydestination
recipient_delimiter = +

mailbox_transport = lmtp:{{getenv "LMTP_HOST"}}
mailbox_size_limit = {{getenv "MAILBOX_SIZELIMIT" "0"}}
smtpd_banner = {{getenv "SMTP_BANNER"}} $myhostname ESMTP $mail_name

virtual_mailbox_domains = proxy:ldap:/etc/postfix/ldap-virtual-mailbox-domains.cf
virtual_mailbox_maps = proxy:ldap:/etc/postfix/ldap-virtual-mailbox-maps.cf
virtual_alias_maps = proxy:ldap:/etc/postfix/ldap-virtual-alias-maps.cf
virtual_transport = lmtp:inet:{{getenv "LMTP_HOST"}}:{{getenv "LMTP_PORT"}}

smtpd_tls_key_file=/etc/ssl/mail/{{getenv "CERT_DOMAIN"}}.crt
smtpd_tls_cert_file=/etc/ssl/mail/{{getenv "CERT_DOMAIN"}}.key

smtpd_tls_security_level = {{getenv "TLS_SECURITY_LEVEL" "may"}}
smtpd_tls_auth_only = yes

smtpd_tls_mandatory_protocols = {{getenv "TLS_PROTOCOLS" "!SSLv2, !SSLv3"}}
smtpd_tls_protocols = {{getenv "TLS_PROTOCOLS" "!SSLv2, !SSLv3"}}
smtpd_tls_mandatory_ciphers = {{getenv "TLS_CIPHERS" "high"}}
smtpd_tls_ciphers = {{getenv "TLS_CIPHERS" "high"}}
smtpd_tls_mandatory_exclude_ciphers = {{getenv "TLS_EXCLUDE_CIPHERS" "aNULL, MD5, 3DES"}}
smtpd_tls_exclude_ciphers = {{getenv "TLS_EXCLUDE_CIPHERS" "aNULL, MD5, 3DES"}}
smtpd_tls_wrappermode = no

smtp_tls_mandatory_ciphers = $smtpd_tls_mandatory_ciphers
smtp_tls_ciphers = $smtpd_tls_ciphers

lmtp_tls_mandatory_ciphers = $smtpd_tls_mandatory_ciphers
lmtp_tls_ciphers = $smtpd_tls_ciphers

smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

smtpd_sasl_type = dovecot
smtpd_sasl_path = inet:{{getenv "DOVECOT_HOST"}}:{{getenv "DOVECOT_AUTH_PORT"}}
smtpd_sasl_auth_enable = yes

smtpd_relay_restrictions = permit_mynetworks,permit_sasl_authenticated,defer_unauth_destination

smtpd_milters =
    unix:/var/run/spamass-milter/spamass.sock
    inet:{{getenv "DKIM_HOST"}}:{{getenv "DKIM_PORT"}}
non_smtpd_milters = $smtpd_milters
milter_default_action = accept
milter_macro_daemon_name = ORIGINATING
milter_connect_macros = "i j {daemon_name} v {if_name} _"

message_size_limit = {{getenv "MESSAGE_SIZELIMIT" "20000000"}}

tls_preempt_cipherlist = yes

smtputf8_enable = no
biff = no