Install gnome-gmail by entering the following commands in the terminal:
sudo apt update sudo apt install gnome-gmail
Description:
support for Gmail as the preferred email application in GNOME
GNOME Gmail integrates the Gmail web interface into the GNOME environment. Once installed, Gmail becomes a choice as the default Mail Reader in the GNOME Preferred Applications administration application. When selected, a Gmail web page will be used whenever an email service is requested. . Logout to complete the configuration.
Homepage: https://davesteele.github.io/gnome-gmail/
Version: 2.5.4-3
Section: universe/gnome