#!/usr/bin/env bash
# Notify if rejected emails were found
function monitor-rejects
{
	while true
	do
		bash -c 'tail -n +0 --pid=$$ -f /var/log/mail/maillog* | grep --line-buffered -F -v -f /var/log/mail/reject.log | { sed "/NOQUEUE: reject/q" && kill $$ ;}'
		local reject="$(grep "NOQUEUE: reject" /var/log/mail/maillog* | grep -F -v -f /var/log/mail/reject.log)"
		echo ${reject} >>/var/log/mail/reject.log
		cat <<- mail | sendmail reject@${MYVEMAIL_DOMAIN}
		From: reject@${MYVEMAIL_DOMAIN}
		To: reject@${MYVEMAIL_DOMAIN}
		Subject: Rejected email found

		${reject}
		mail
	done
}

monitor-rejects &