docker-mailserver/target/scripts/startup/setup.d/saslauthd.sh

#!/bin/bash


function _setup_saslauthd() {
  _log 'debug' 'Setting up SASLAUTHD'

  if [[ ! -f /etc/saslauthd.conf ]]; then
    _log 'trace' 'Creating /etc/saslauthd.conf'
    cat > /etc/saslauthd.conf << EOF
ldap_servers: ${SASLAUTHD_LDAP_SERVER}

ldap_auth_method: ${SASLAUTHD_LDAP_AUTH_METHOD}
ldap_bind_dn: ${SASLAUTHD_LDAP_BIND_DN}
ldap_bind_pw: ${SASLAUTHD_LDAP_PASSWORD}

ldap_search_base: ${SASLAUTHD_LDAP_SEARCH_BASE}
ldap_filter: ${SASLAUTHD_LDAP_FILTER}

ldap_start_tls: ${SASLAUTHD_LDAP_START_TLS}
ldap_tls_check_peer: ${SASLAUTHD_LDAP_TLS_CHECK_PEER}

${SASLAUTHD_LDAP_TLS_CACERT_FILE}
${SASLAUTHD_LDAP_TLS_CACERT_DIR}
${SASLAUTHD_LDAP_PASSWORD_ATTR}
${SASLAUTHD_LDAP_MECH}

ldap_referrals: yes
log_level: 10
EOF
  fi

  sed -i \
    -e "/^[^#].*smtpd_sasl_type.*/s/^/#/g" \
    -e "/^[^#].*smtpd_sasl_path.*/s/^/#/g" \
    /etc/postfix/master.cf

  sed -i \
    -e "/smtpd_sasl_path =.*/d" \
    -e "/smtpd_sasl_type =.*/d" \
    -e "/dovecot_destination_recipient_limit =.*/d" \
    /etc/postfix/main.cf

  gpasswd -a postfix sasl >/dev/null
}