List IPs by number of successful mail transactions
(2024-11-22)
for z in /var/log/maillog* ; do
for i in `grep stat= $z | awk '{print $6}' | sort -u` ; do
grep $i $z | grep 'Hello' | sed -e 's/^.*\[//' -e 's/\].*$//'
done
done | sort | uniq -c | sort -nr