Exchange Online Protection (EOP) is the cloud-based filtering service that protects your organization against spam, malware, and other email threats. EOP is included in all [[Microsoft 365]] organizations with [[Exchange Online]] mailboxes. # Anti-Spam Protection ^[[Anti-spam protection | Microsoft Learn](https://learn.microsoft.com/en-us/microsoft-365/security/office-365-security/anti-spam-protection-about?view=o365-worldwide)] ![[Bulk complaint level (BCL) in Exchange Online Protection]] # Sources [Configure spam filter policies | Microsoft Learn](https://learn.microsoft.com/en-us/microsoft-365/security/office-365-security/anti-spam-policies-configure?view=o365-worldwide) [Microsoft recommendations for EOP and Defender for Office 365 security settings | Microsoft Learn](https://learn.microsoft.com/en-us/microsoft-365/security/office-365-security/recommended-settings-for-eop-and-office365?view=o365-worldwide#eop-anti-spam-policy-settings)