#Email Security

3 guides

Diagram-style cover showing layered Microsoft 365 phishing defenses: anti-phishing policy, Safe Links, MFA, and email authentication records

How to Protect Microsoft 365 from Phishing Emails

Build layered phishing defense in Microsoft 365: anti-phishing policies, impersonation protection, Safe Links and Attachments, MFA, DMARC/SPF/DKIM, and user reporting.

MCSA Guru Team Aug 30, 2026 8 min read

Diagram-style cover comparing Safe Links rewriting a URL at time of click against Safe Attachments detonating a file in a sandbox

Microsoft 365 & Exchange

Safe Links vs Safe Attachments in Microsoft Defender

Safe Links and Safe Attachments both protect Microsoft 365 email, but they work differently. Here's what each does, when it triggers, and how to set up the policies.

MCSA Guru Team Aug 9, 2026 8 min read

Diagram-style cover showing external email auto-forwarding being blocked by a Microsoft 365 outbound spam policy

Microsoft 365 & Exchange

How to Stop Users from Auto-Forwarding Emails Outside the Company

Stop Microsoft 365 users from auto-forwarding email outside your company. Use the outbound spam policy, anti-phishing, and mail flow rules to block external forwarding.

MCSA Guru Team Jun 24, 2026 8 min read