Subscribing to a discussion forum in Blackboard Learn nine point one. In order to subscribe to a forum simply enter the forum from the discussions tool, and click the button marked subscribe. You are now subscribed to the form. Every time a message is posted to the forum you'll receive an e-mail in the account which is listed in your Blackboard Learn profile, which contains a notice that a message has been posted to this discussion forum and the full text of the message. You can unsubscribe ay any time by simply clicking the unsubscribe button.