The email course tool allows you to send emails to your course members directly to their AUC email accounts within Blackboard. You can send emails to individual users or a group of users.
How to send an Email from Blackboard?
1.From the course home page, click on the Email tool in the left panel.

2. Choose from the different options of recipients.

3. Type the subject of the email and the message to be sent.
4. Attach any files if needed.
5. Click Submit