After adding your course, you can receive notifications on your course activity.
The update notifications are opt-in at the course level. All others are based on actions, and are sent immediately.
Owners, Uploaders and Developers will automatically be subscribed when assigned to a course. Reviewers may subscribe by checking the box on the course’s dashboard.
Types of updates include: New/updated comments, new comment discussions and comment assignments.
You also have the option of how often you’d like to receive notifications by going into your Account >Profile then in the drop-down, select how often: