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

Infonaligy Proofpoint Email Security: Managed Proofpoint email security service for phishing & BEC protection. Built by Infonaligy.

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

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

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

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