Beyond Encryption Mailock for Outlook is a commercial email encryption solution by Beyond Encryption. Zivver Secure Email Gateway is a commercial email encryption solution by Zivver. Features, integrations, deployment and the company behind each one, side by side.
Outlook add-in for end-to-end email encryption with recipient auth & revoke.
Secure email gateway with automated DLP and zero-knowledge encryption
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Based on what each listing shows: deployment, company size, price and open source.
Beyond Encryption Mailock for Outlook fits if you want a cloud product.
Zivver Secure Email Gateway fits if you need both cloud and on-premises options.
Common questions when comparing Beyond Encryption Mailock for Outlook vs Zivver Secure Email Gateway for email encryption.
Beyond Encryption Mailock for Outlook: Outlook add-in for end-to-end email encryption with recipient auth & revoke. Built by Beyond Encryption.
Zivver Secure Email Gateway: Secure email gateway with automated DLP and zero-knowledge encryption. Built by Zivver.
The table above shows where their features, integrations, deployment and company size fit differ.
Beyond Encryption Mailock for Outlook is made by Beyond Encryption. Zivver Secure Email Gateway is made by Zivver. 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 Outlook and Zivver Secure Email Gateway are both Email Encryption products, and both cover Encryption. 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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