Outlook: Unverified Senders- warn users about spoofing and impersonation attempts
When you receive messages from senders we weren’t able to verify as safe, you’ll see a tag in the message list and a ribbon on the reading pane warning you to be cautious when interacting with it.

| Product | Outlook |
|---|---|
| Release phase | General Availability |
| Release date | June CY2025 |
| Platform | Android |
| Cloud Instance | Worldwide (Standard Multi-Tenant) |
| Created | 2025-04-29 |
| Roadmap ID | 491471 |
| Roadmap Link | https://www.microsoft.com/microsoft-365/roadmap?id=491471 |

HANDS ON tek
M365 Admin


