What is difference between D2L and Lone Star email?

Brightspace Email

Brightspace email allows you to communicate with your instructor and fellow students by providing email addresses for all of them inside the Brightspace Learning Management System.

Identifies Email in Communication dropdown menu.

Lone Star Email

Through the MyLonestar portal, you have a fully functioning email system. You can email anyone, even outside Lone Star College. However, you do not have the email addresses of your classmates contained in your contacts.
Shows MyLonestar portal main menu.Shows student email in MyLonestar.