When you are subscribed to a Collaboration object and a notification event occurs on that object, the system sends you a notification e-mail informing you about the event. For a list of notification events and Collaboration objects that you can be subscribed to, see About Notification Events.
You use the Subscriptions page to view and manage your current subscriptions.
To access the Subscriptions page:
Click My Account.
Click Collaboration Settings.
Under Settings on the left, click Subscriptions.