https://help.myob.com/wiki/x/KZSwBQ
With Nimbus 4, you are able to disable incoming emails, but still be notified of incoming files, conversations etc.
The Notification widget displays a listing of all incoming notifications.
Once you have read a notification, you can remove it from the widget.
Hover over the notification you wish to delete.
Click the X to the right of the filename.The notification is removed from the widget.
