Setup for SMTP Message Sources

SMTP message sources are available for new customers with a Secure Email Threat Defense advantage license.

Secure Email Threat Defense setup includes the following:

1. Sign in to Your Account

2. Define Your Secure Email Gateway (SEG)

3. Define Your Message Source

4. Define Your Visibility

5. Set up Your Message Source

6. Integrate with Microsoft 365

7. Review Your Policy Settings

These steps assume you meet the Requirements.