Beyond Encryption Mailock for M365 vs Kiteworks Secure Email: side-by-side comparison (2026)

Beyond Encryption Mailock for M365: AES-256 encrypted email add-on for M365 with auth & revocation. Built by Beyond Encryption.

Kiteworks Secure Email: Secure email platform with encryption, DLP, and policy automation. Built by Kiteworks.

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

Beyond Encryption Mailock for M365 is made by Beyond Encryption. Kiteworks Secure Email is made by Kiteworks. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Beyond Encryption Mailock for M365 and Kiteworks Secure Email are both Email Encryption products, and both cover Encryption. Use the table above to see where features, deployment and company size fit differ.