#! /bin/bash

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

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

[ -f $DATABASE ] || errex "No postfix-virtual.cf file"
[ -s $DATABASE ] || errex "Empty postfix-virtual.cf - no aliases have been added"

(grep -v "^\s*$\|^\s*\#" $DATABASE || true)