biff software package provides a mail notification tool, 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 biff
biff is installed in your system.
Make ensure the biff package were installed using the commands given below,
$ sudo dpkg-query -l | grep biff *
You will get with biff package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | |
| Package | biff |
| Version | 1:0.17.pre20000412-5 |
| Description | a mail notification tool |
| Sub Section |