Exchange and Outlook Lose SmartScreen Antispam Updates

Spam signature updates for the Outlook and Exchange SmartScreen spam protection features will not be available from Microsoft after Nov. 1, 2016. Without ongoing spam signature updates, the SmartScreen service will continue to use the last signatures, but the spam protection may not detect the latest spam attacks. Therefore, to ensure ongoing protection from spam, Microsoft recommends that customers acquire an Office 365 or Exchange Online Protection (EOP) subscription or third-party spam protection by Nov. 1, 2016.

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