$ sudo apt-get update
$ sudo apt-get install libemail-find-perl 

libemail-find-perl is installed in your system.

Make ensure the libemail-find-perl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libemail-find-perl *

You will get with libemail-find-perl package name, version, architecture and description in a table

libemail-find-perl package basic information: