Setting Notification Preferences
By default GeoNode sends notifications to the users for events that the users could be subscribe such as a new layer uploaded or a new rate added to a map. You can adjust your notification settings by clicking on the Notifications link of the Profile page (see Updating the Profile).
Make sure to have a verified email address to which notices can be sent. If not see Associating your Account with an e-mail.
Now check/uncheck the notification types you wish to receive or not receive. It is possible to be notified for the events shown in the picture below.