If you want to make your environment more secure, it's recommended to disable Legacy Authentication in Microsoft 365. Check this post to know how to do the same.
Another clue is the lack of context. Genuine voicemail notifications typically include details like call duration, phone ...
17hon MSN
No escape: Microsoft flatlines Office Online Server — it's now Microsoft 365 cloud or nothing
Microsoft is officially ending support for Office Online Server on December 31, 2026, marking the end of its self-hosted ...
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