mail-expire software package provides Utility to extract outdated messages from mbox files, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install mail-expire
mail-expire is installed in your system.
Make ensure the mail-expire package were installed using the commands given below,
$ sudo dpkg-query -l | grep mail-expire *
You will get with mail-expire package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | mail-expire |
| Version | 0.7 |
| Description | Utility to extract outdated messages from mbox files |
| Sub Section | Utils |