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

	$(tail -n 1 /var/log/mail/reject.log)
	mail
done >/dev/null &