Extended logging in Exim

1. Open /etc/exim.conf

#vi /etc/exim.conf

2. Enter the following 


log_selector=+all


3. Save the file and change its attribute


# chattr + i  /etc/exim.conf


4. Restart Exim


# /etc/init.d/exim restart


Thats it! now check the exim log


# tail -f /var/log/exim_mainlog