Microsoft Exchange 2019 Transport Filtering Agent vs Proofpoint Core Email Protection: side-by-side comparison (2026)

Microsoft Exchange 2019 Transport Filtering Agent: Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries.

Proofpoint Core Email Protection: Email security platform with AI-based threat detection and DLP capabilities. Built by Proofpoint.

The table above shows where their features, integrations, deployment and company size fit differ.

Microsoft Exchange 2019 Transport Filtering Agent is open-source with 20 GitHub stars. Proofpoint Core Email Protection is made by Proofpoint. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Microsoft Exchange 2019 Transport Filtering Agent and Proofpoint Core Email Protection are both Email Security Platforms products. Key differences: Microsoft Exchange 2019 Transport Filtering Agent is Free while Proofpoint Core Email Protection is Commercial, Microsoft Exchange 2019 Transport Filtering Agent is open-source. Use the table above to see where features, deployment and company size fit differ.