KnowBe4 Cloud Email Security vs TrustLayer Mail: side-by-side comparison (2026)

KnowBe4 Cloud Email Security: AI-driven email security platform for Microsoft 365 inbound/outbound threats. Built by KnowBe4.

TrustLayer Mail: Email security platform with inline threat protection and compliant archiving. Built by TrustLayer.

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

KnowBe4 Cloud Email Security is made by KnowBe4. TrustLayer Mail is made by TrustLayer. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. KnowBe4 Cloud Email Security and TrustLayer Mail are both Email Security Platforms products, and both cover Microsoft 365. Use the table above to see where features, deployment and company size fit differ.