exim main logs file locations: /var/log/exim_mainlog /var/log/exim_mainlog.1.gz /var/log/exim_mainlog.2.gz /var/log/exim_mainlog.3.gz /var/log/exim_mainlog.4.gz Find successful mail from an address: for i in $(grep FROM_ADDRESS /var/log/exim_mainlog|grep “<=” | awk {‘print $3’}); do grep $i