CPanel email logs

You can check email logs in the following location.

/var/log/exim_mainlog
/var/log/maillog

Use "grep domainname /var/log/exim_mainlog" for checking a particular domain.

Similarly "grep emailaddress /var/log/exim_mainlog" for particular email address.

tail -f /var/log/exim_mainlog for viewing the log in realtime.