A complete, practical guide to mastering Exchange Online Mailbox Auditing. Learn how to verify audit status, customize audit actions, extend log retention, analyze audit logs with KQL, and apply best practices for investigations, compliance, and VIP mailbox monitoring. Includes real PowerShell examples and troubleshooting tips.

A complete step-by-step guide on applying Zero Trust principles to Exchange Online using SPF, DKIM, DMARC, Safe Links, Safe Attachments, and continuous monitoring. Improve email security, protect against phishing and spoofing, and harden your Microsoft 365 environment.