*For this entry exists the more relevant or more recent entry MC1158911
check before: 2025-11-01
Product:
Exchange, Microsoft 365 Apps
Platform:
Mac, Online, Web, Windows Desktop, World tenant
Status:
Rolling out
Change type:
Links:
Details:
We're simplifying how organizations grant applications permission to send email on behalf of mailboxes. Today, customers must manually assign permissions to each individual mailbox using PowerShell, which is time-consuming and inefficient. With this new capability, admins can assign the SMTP.SendAsApp role to an app through App Role-Based Access Control (RBAC), enabling group-based or scoped access to mailboxes. This eliminates the need for per-mailbox configuration and streamlines onboarding for SMTP clients using OAuth. It’s a scalable, secure, and modern approach to managing mailbox access for applications.
Change Category:
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Scope:
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Release Phase:
General Availability, Preview
Created:
2025-07-11
updated:
2025-11-17
Public Preview Start Date
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Docu to Check
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Please, look at the most relevant linked item for details
explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2025-11-17 | RM Status | In development | Rolling out |
| 2025-09-23 | RM Release | October CY2025 | November CY2025 |
Last updated 3 weeks ago ago
