Beyond Encryption Mailock for M365 is a commercial email encryption solution by Beyond Encryption. OpenText Core Email Encryption is a commercial email encryption solution by OpenText Cybersecurity. Features, integrations, deployment and the company behind each one, side by side.
AES-256 encrypted email add-on for M365 with auth & revocation.
Cloud-based email encryption with automated DLP policies and delivery methods
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Common questions when comparing Beyond Encryption Mailock for M365 vs OpenText Core Email Encryption for email encryption.
Beyond Encryption Mailock for M365: AES-256 encrypted email add-on for M365 with auth & revocation. Built by Beyond Encryption.
OpenText Core Email Encryption: Cloud-based email encryption with automated DLP policies and delivery methods. Built by OpenText Cybersecurity.
The table above shows where their features, integrations, deployment and company size fit differ.
Beyond Encryption Mailock for M365 is made by Beyond Encryption. OpenText Core Email Encryption is made by OpenText Cybersecurity. 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 OpenText Core Email Encryption are both Email Encryption products. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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