#!/bin/bash # # Description: Expose metrics from postfix. # # Author: Alexandre Iooss mailq_length="$(/usr/bin/mailq | grep "[^ ]*@crans.org" | wc -l)" echo '# HELP postfix_mailq_length Pending mails in mailq.' echo '# TYPE postfix_mailq_length gauge' echo "postfix_mailq_length ${mailq_length}"