Exim

Disable IPV6

ipv6-disable

Eximstat

Linux: Debian 8

echo -e "#"'!'"/bin/sh\neximstats -nr -nt -tnl -include_original_destination -bydomain -byemail /var/log/exim4/main.log | mail -s "EXIM statistics" [email protected]\n#" > /etc/cron.daily/eximstat
chmod +x /etc/cron.daily/eximstat