eea.docker.postfix/docker-setup.sh at master · eea/eea.docker.postfix · GitHub

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#!/bin/bash

# configure postfix

function setup_conf_and_secret {
    postconf -e 'smtp_tls_CAfile = /etc/ssl/certs/ca-bundle.trust.crt'
    postconf -e "relayhost = [$MTP_RELAY]:$MTP_PORT"
    postconf -e 'smtp_sasl_auth_enable = yes'
    postconf -e 'smtp_sasl_password_maps = hash:/etc/postfix/relay_passwd'
    postconf -e 'smtp_sasl_security_options = noanonymous'
    postconf -e 'smtp_tls_security_level = encrypt'
    postconf -e 'mynetworks = 127.0.0.0/8 172.16.0.0/12 172.17.0.0/16 10.0.0.0/8'
    echo "$MTP_RELAY   $MTP_USER:$MTP_PASS" > /etc/postfix/relay_passwd
    postmap /etc/postfix/relay_passwd
}

if [ -z "$MTP_INTERFACES" ]; then
  postconf -e "inet_interfaces = all"
else
  postconf -e "inet_interfaces = $MTP_INTERFACES"
fi

if [ -n "$MTP_PROTOCOLS" ]; then
  postconf -e "inet_protocols = $MTP_PROTOCOLS"
fi

if [ -n "$MTP_HOST" ]; then
  postconf -e "myhostname = $MTP_HOST"
fi

if [ -n "$MTP_DESTINATION" ]; then
  postconf -e "mydestination = $MTP_DESTINATION"
fi

if [ -n "$MTP_BANNER" ]; then
  postconf -e "smtpd_banner = $MTP_BANNER"
fi

if [ -n "$MTP_RELAY_DOMAINS" ]; then
  postconf -e "relay_domains = $MTP_RELAY_DOMAINS"
fi

if [ -n "$MTP_MS_SIZE_LIMIT" ]; then
   postconf -e "message_size_limit = $MTP_MS_SIZE_LIMIT"
fi

if [ ! -z "$MTP_RELAY" -a ! -z "$MTP_PORT" -a ! -z "$MTP_USER" -a ! -z "$MTP_PASS" ]; then
    setup_conf_and_secret
else
    postconf -e 'mynetworks = 127.0.0.1/32 192.168.0.0/16 172.16.0.0/12 172.17.0.0/16 10.0.0.0/8'
fi

if [ $(grep -c "^#header_checks" /etc/postfix/main.cf) -eq 1 ]; then
	sed -i 's/#header_checks/header_checks/' /etc/postfix/main.cf
        echo "/^Subject:/     WARN" >> /etc/postfix/header_checks
        postmap /etc/postfix/header_checks
fi

if [ -n "$SMTPD_TLS_SECURITY_LEVEL" ]; then
  postconf -e "smtpd_tls_security_level = $SMTPD_TLS_SECURITY_LEVEL"
else
  postconf -e "smtpd_tls_security_level = none"
fi

if [ -n "$SMTP_TLS_SECURITY_LEVEL" ]; then
  postconf -e "smtp_tls_security_level = $SMTP_TLS_SECURITY_LEVEL"
else
  postconf -e "smtp_tls_security_level = may"
fi

postconf -e "maillog_file=/dev/stdout"
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