Install coolmail by entering the following commands in the terminal:
sudo apt update sudo apt install coolmail
Description:
Mail notifier with 3d graphics
Coolmail is like xbiff -- it watches your inbox mail file and lets you know when you have mail. But unlike xbiff, it can launch your favorite mail utility when you click on it, and it has cool animated 3D graphics.
Version: 1.3-12
Section: universe/mail