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Roadmap ID 526780 Launched

Microsoft Teams: Tenant-Owned Domain Impersonation Protection for Teams Messaging

Microsoft 365 roadmap entry

Summary

Identify if an external user comes from a domain that is impersonating the recipient tenant's own domains, during their initial contact with an enterprise user via Teams messages.

Status
Launched
General availability target
Dec 2025
Preview target
Not published
Products
Microsoft Teams
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Android, Desktop, iOS, Mac, Web
Added to the roadmap
11 Nov 2025
Last changed
11 Dec 2025 · 10mo ago
recently changed
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