Check EXIM version in WHM/cPanel

There are multiple methods to check the EXIM SMTP server version in cPanel. If the current version doesn’t match the version reported by the SMTP connection, consider restarting the EXIM service.

Method 1: via API command

 whmapi1 installed_versions packages=1|grep exim 

Method 2: in WHM

Go in WHM > Server Status > Service status