smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no
append_dot_mydomain = no
readme_directory = no
compatibility_level = 2
smtpd_use_tls=yes
smtpd_tls_session_cache_database = <%text>btree:${data_directory}/smtpd_scache</%text>
smtp_tls_session_cache_database = <%text>btree:${data_directory}/smtp_scache</%text>
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = ${hostname}
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = $myhostname, localhost.localdomain, localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
message_size_limit = ${10**8}

virtual_mailbox_domains = pgsql:/etc/postfix/virtual_mailbox_domains.cf
virtual_mailbox_maps = pgsql:/etc/postfix/virtual_mailbox_maps.cf
virtual_alias_maps = pgsql:/etc/postfix/virtual_alias_maps.cf,pgsql:/etc/postfix/virtual_mailbox_maps.cf
smtpd_sender_login_maps = pgsql:/etc/postfix/virtual_alias_maps.cf
virtual_transport = lmtp:unix:private/dovecot-lmtp

smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes

smtpd_tls_security_level = may
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /var/lib/dehydrated/certs/${hostname}/fullchain.pem
smtpd_tls_key_file = /var/lib/dehydrated/certs/${hostname}/privkey.pem
smtp_tls_security_level = may
% if debug:
smtpd_tls_loglevel = 3
% endif
smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1

smtpd_restriction_classes = mua_sender_restrictions, mua_client_restrictions, mua_helo_restrictions
mua_client_restrictions = permit_sasl_authenticated, reject
mua_sender_restrictions = permit_sasl_authenticated, reject
mua_helo_restrictions = permit_mynetworks, reject_non_fqdn_hostname, reject_invalid_hostname, permit

smtpd_milters = inet:localhost:8891 inet:127.0.0.1:11332
non_smtpd_milters = inet:localhost:8891 inet:127.0.0.1:11332

# opendkim
milter_protocol = 6
milter_default_action = accept

# rspamd
milter_mail_macros = "i {mail_addr} {client_addr} {client_name} {auth_authen}"