Feed / Exchange
mediumExchangeDirectory-Based Edge Blockingnew featurelearn_exchange · Jun 1, 2026
Use Directory-Based Edge Blocking to reject messages sent to invalid recipients in Exchange Online
Exchange Online now supports Directory-Based Edge Blocking (DBEB) to reject messages sent to invalid recipients during migration scenarios. This feature helps prevent spam and ensures proper message routing in Microsoft 365 environments.
“Admins can learn how to configure Directory-Based Edge Blocking (DBDB) to reject messages sent to invalid recipients in Microsoft 365 during a migration.”
View original article →Security
threat_protection
Audience
adminsecurity_engineer
Environment
cloudhybrid
Ontology Topics
AZ-500
Classification confidence: 95%
Loading correlations…