Powerful Anti-Spam and Anti-Malware Policies Explained
When teaching Microsoft 365 Security, I always start with a foundational topic that affects every tenant, every mailbox, and every single message that flows through …
Email Security
Automatic Forwarding Risks & How to Disable It
Welcome back to my Exchange Online training series. In today’s session we’ll dive into Automatic Forwarding Risks & How to Disable It, a critical topic …
Understanding RawEmail.eml in Message Bounces: A Deep Dive Into Email Size Limits and Cisco IronPort Restrictions
When you’re managing Exchange Online mail flow, it’s only a matter of time before you’ll run into a strange bounce message that includes a mysterious …
How to Investigate Phishing Attacks in Microsoft 365 – Admin Playbook
How to Investigate Phishing Attacks in Microsoft 365 ? Phishing attacks are the number one entry point for Microsoft 365 account compromise. A single successful phishing email …
How To Respond To A Compromised Microsoft 365 Account (Admin Guide)
Microsoft 365 accounts are a prime target for attackers due to email access, SharePoint data, OneDrive files, and privileged admin roles. If even one account is compromised, attackers can …