Mailing Service & Defense Configuration
- GMAIL warning users of suspicious content
- Google Workspace - Email Header Trust-listing
- Google Workspace/Google Apps Trust-listing
- Microsoft O365 - ATP Advanced Delivery (Phishing Simulation)
- Microsoft O365 - Automatic Download Images - Group Policy/OCT
- Microsoft Outlook 365 Trust-listing
- Office 365 - ATP Safe Links
- Office 365 - Mail Flow Rules
- Office 365 Advanced Threat Protection, Anti-Phishing Policy
- Send Emails using Custom Exchange