Update 6/9/2025: Updated the rollout schedule.
As with all cloud services, Exchange Online imposes service limits to prevent misuse of Exchange Online resources and ensure availability for all user...
Updated Jun 09, 2025
Version 16.0
Blog Post
The_Exchange_Team Arindam_Thokder - Have you taken into consideration tenant-to-tenant mailbox migration activity using Microsoft recommended procedures, i.e. temp use of SMTP mailbox forwards, resulting in high amounts of mail being sent externally? Microsoft 365 tenant-to-tenant migrations - Microsoft 365 Enterprise | Microsoft Learn I feel this type of activity should not be counted against TERRL.