Skip to main content

Email Error: "Not Recognized as a Valid Sender"

This article applies to: Email for Faculty and Staff

This error message indicates that Microsoft has flagged your account as exhibiting spam-like behavior. See our Microsoft's Exchange Online Protection article for details and what to do about it.

About this Article

Last updated: 

Wednesday, October 4, 2017 - 11:59am

Was this page helpful?

Your feedback helps improve the site.