Microsoft Exchange 2019 Transport Filtering Agent vs Red Sift OnDMARC: 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.

Red Sift OnDMARC: Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols. Built by Red Sift.

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