grepmail software package provides search mailboxes for mail matching an expression, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install grepmail
grepmail is installed in your system.
Make ensure the grepmail package were installed using the commands given below,
$ sudo dpkg-query -l | grep grepmail *
You will get with grepmail package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | |
| Package | grepmail |
| Version | 5.3033-7 |
| Description | search mailboxes for mail matching an expression |
| Sub Section |