New mail indicator. It checks the notifications in the message tray related to a new mail coming from your default email client, no extra configuration needed, very light extension. Click on the icon does toggle your email client window. *** Do not disable the notifications of your default email client! *** It is not a standalone mail checker, you need your email client to be running.

Extension Homepage

https://github.com/fthx/new-mail-indicator

Download

Shell version… Extension version…