#! /bin/bash

DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-relaymap.cf}

DOMAIN="$1"

usage() {
	echo "Usage: excluderelayhost <domain>"
}

errex() {
	echo "$@" 1>&2
	exit 1
}

[ -z "$DOMAIN" ] && { usage; errex "no domain specified"; }

if grep -qi "^@$DOMAIN" $DATABASE 2>/dev/null; then
	sed -i "s/^@"$DOMAIN".*/@"$DOMAIN"/" $DATABASE
else
	echo -e "@$DOMAIN" >> $DATABASE
fi