eximon4 software package provides monitor application for the Exim MTA (v4) (X11 interface), you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install eximon4
eximon4 is installed in your system.
Make ensure the eximon4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep eximon4 *
You will get with eximon4 package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | |
| Package | eximon4 |
| Version | 4.87-3ubuntu1 |
| Description | monitor application for the Exim MTA (v4) (X11 interface) |
| Sub Section |