SmartScreen in Outlook/Exchange–end of support

Microsoft has announced within this MS blog post the end of support for the Outlook and Exchange SmartScreen filter. Here are a few details about the topic.


SmartScreen is the spam filter supported in Microsoft Outlook client and also in Microsoft Exchange Each message is scanned via SmartScreen filter in Outlook (desktop app) and in Exchange e-mails. Depending on a rating (Spam Confidence Level (SCL)) the message is eventually send to the Spam folder.

  • On November 1, 2016, Microsoft will stop generating updates for the SmartScreen spam filters in Exchange Server 2016 and earlier (2013, 2010, 2007), Outlook 2016 for Windows and earlier (2013, 2010, 2007) and Outlook 2011 for Mac.
  • The SmartScreen spam filter will be removed from future versions of Exchange Server and Outlook for Windows. (SmartScreen is not available in any other version of Outlook).

This announcement does not affect the SmartScreen Filter online protection features built into Windows, Microsoft Edge and Internet Explorer browsers. While branded similarly, those features are technically distinct. These SmartScreen Filters to help people to stay protected from malicious websites and downloads.

Why this step?

Microsoft wrote that SmartScreen spam filters in Outlook and Exchange have become obsolete. It have been replaced by Exchange Online Protection (EOP), a more effective cloud-based email filtering service. EOP is built into to all Office 365 and accounts and available for purchase to protect Microsoft Exchange Server (on-premises). (via)


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