courier-filter-perl software package provides purely Perl-based mail filter framework for the Courier MTA, 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 courier-filter-perl
courier-filter-perl is installed in your system.
Make ensure the courier-filter-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep courier-filter-perl *
You will get with courier-filter-perl package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Perl |
| Package | courier-filter-perl |
| Version | 0.200+ds-4 |
| Description | purely Perl-based mail filter framework for the Courier MTA |
| Sub Section | perl |