MetaDefender Email Security by OPSWAT is a threat protection platform that processes inbound, outbound, and internal email traffic. Its security capabilities include multiscanning with multiple anti-malware engines, Deep Content Disarm and Reconstruction (CDR) for file sanitization, and an adaptive sandbox for dynamic behavior analysis. The system performs real-time anti-phishing with URL analysis, evaluates SPF, DKIM, and DMARC policies, and incorporates proactive Data Loss Prevention (DLP) for automated information redaction. It also supports the decryption and sanitization of password-protected attachments.
The solution is deployable as an on-premises gateway or a cloud-based service for Microsoft 365, with options for active protection or monitoring modes. The cloud service processes data in designated regional locations with encryption at rest. Administration is performed through a Web Management Console, REST API, or OPSWAT Central Management, which is used to configure security rules and manage quarantine. The architecture supports high-availability and clustered deployments, offers configurable logging with Syslog integration and CEF formatting, and includes PowerShell utilities for on-premises deployments and Single Sign-On (SSO) for the cloud service.