The deprecation of the SmartScreen filter for Exchange Server and Outlook turns out to have had other implications, particularly for organizations running Exchange Server 2016 on Windows Server 2016.

Edge Canary expands Scareware Blocker with new controls, blocking scam sites by default & sharing details with Defender ...

Microsoft SmartScreen is a security filter that is leveraged by a few of the company’s products, including Internet Explorer and Edge.

Windows Defender setting In Windows Defender, you can also change Edge's SmartScreen to merely warn you when you are about to download a file it deems suspicious instead of it outright blocking it.

Edge already includes ‘SmartScreen Filter,’ which protects users against phishing and malware. As such, this new security option is additional and works along with SmartScreen.

The SmartScreen spam filters should not be confused with the SmartScreen site reputation protections that are part of the Microsoft Edge and Internet Explorer browsers.