Exchange Online Protection

Exchange Online Protection (EOP) is a Microsoft-hosted service that offers e-mail filtering to block the commonest types of spam, malware, and phishing messages.

Service Overview

Key features of EOP include the following:

Malware filtering uses a mixture of Microsoft and third-party engines and their signature databases to recognize and block known malware.

Spam filtering uses reputation services (such as Spamhaus) and Microsoft's own databases and methods to block likely unwanted mail.

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