Moved email rejects to its own file

build/run/docker-entrypoint/init.d/70-reject.sh

@@ -0,0 +1,20 @@
+#!/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 &