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mediumExchangeTenant External Recipient Rate Limit (TERRL)updatem365_message_center · Aug 14, 2026
Updates to Tenant External Recipient Rate Limit (TERRL) Quotas for New, Trial, and Education Tenants
Microsoft is updating the Tenant External Recipient Rate Limit (TERRL) quota calculation for new, trial, and education tenants to improve protection against abuse and ensure fair use of Exchange Online resources.
“Services: Microsoft 365 suite. <p><b>[What and Why:]</b></p><p> To strengthen protection against abuse and ensure fair use of Exchange Online resources, we are updating how the <b>Tenant External Recipient Rate Limit (TERRL)</b> quota is calculated for certain tenants.</p><p>These changes improve how quotas account f…”
View original article →Security
threat_protection
Audience
admin
Environment
cloud
Ontology Topics
AZ-500SC-300
Classification confidence: 95%
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