Install kopano-webapp-titlecounter by entering the following commands in the terminal:
sudo apt update sudo apt install kopano-webapp-titlecounter
Description:
Kopano WebApp Titlecounter plugin
This package is a plugin for kopano-webapp, a web interface for Kopano from Zarafa. . Titlecounter plugin for kopano-webapp which shows the amount of unread inbox mail items in the browsers title window.
Homepage: https://github.com/Kopano-dev/kopano-webapp
Version: 3.4.6+dfsg1-1
Section: universe/web