The followings give the brief procedures for setting up ThunderBird to use the SMTP gateway (smtp.office365.com) to send emails in the campus.
Procedures:
- From the menu bar, click Tools -> Account Settings...
 - Click the Outgoing Server (SMTP) from the left panel. Then highlight the default server and click the Edit button.
 - Make sure you enter the following information correctly.
 - Server Name: smtp.office365.com
 - Port: 587
 - Connection security: STARTTLS
 - Authentication method: Normal password
 - User name: your username
