smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no
myorigin = {{ smtprelay_origin }}

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mydestination = $myhostname, localhost.$mydomain, localhost

## sending email
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
smtp_use_tls = yes
relayhost = [{{ smtprelay_host }}]:{{ smtprelay_port }}

## only accepts local relay
mynetworks = 127.0.0.0/8, 172.17.0.1/16
inet_interfaces = loopback-only

smtpd_relay_restrictions = permit_mynetworks,defer_unauth_destination,reject