#! /usr/bin/env bash

set -euo pipefail
IFS=$'\n\t'

set +e
postfix_received=$(journalctl --since "0:00" _EXE=/usr/lib/postfix/bin/smtpd|grep "proxy-accept"| wc -l)
rbl_dropped=$(journalctl --since "0:00" -u postfix |grep "Service unavailable"|wc -l)
spampd_clean=$(journalctl --since "0:00" -u spampd| grep "clean message"| wc -l)
spampd_spam=$(journalctl --since "0:00" -u spampd| grep "identified spam"| wc -l)
sieve_spam=$(journalctl --since "0:00" _EXE=/usr/lib/dovecot/dovecot-lda| grep "Spam"| wc -l)
postfix_sent=$(journalctl --since "0:00" _EXE=/usr/lib/postfix/bin/smtp |grep "sent"| wc -l)
date=$(date -I)
set -e

echo "Mail statistics for $(hostname) on $date"
echo "Received total: $postfix_received"
echo "RBL dropped: $rbl_dropped"
echo "Spampd clean: $spampd_clean"
echo "Spampd spam: $spampd_spam"
echo "Sieve spam: $spampd_spam"
echo "Sent: $postfix_sent"