Install geximon by entering the following commands in the terminal:
sudo apt update sudo apt install geximon
Description:
a monitor for the exim MTA
geximon is a Gtk2 reimplementation of eximon, an X monitor for the exim mail transport agent. It has all features of the original (tracking the log, managing the mail queue, plotting, etc.) and more. It also integrates with exiwhat (allowing you to manage active exim instances), exigrep, and eximstats. The interface is intuitive, compact, and easy to use.
Homepage: http://projects.planetwatson.co.uk/wiki/geximon
Version: 0.7.7-2.1
Section: universe/mail