Microsoft Exchange 2019 Transport Filtering Agent vs Sublime Email Security: 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.

Sublime Email Security: AI-powered email security platform with agentic automation and detection. Built by Sublime Security.

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. Sublime Email Security is made by Sublime Security. 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 Sublime Email Security are both Email Security Platforms products. Key differences: Microsoft Exchange 2019 Transport Filtering Agent is Free while Sublime Email Security 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.