Beyond Encryption Mailock for Outlook is a commercial email encryption solution by Beyond Encryption. StealthMail is a commercial email encryption solution by StealthMail. 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.
Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities.
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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 and you are a small business.
StealthMail fits if you need both cloud and on-premises options.
Common questions when comparing Beyond Encryption Mailock for Outlook vs StealthMail 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.
StealthMail: Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities, built by StealthMail.
The table above shows where their features, integrations, deployment and company size fit differ.
Beyond Encryption Mailock for Outlook is made by Beyond Encryption. StealthMail is made by StealthMail. 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 StealthMail are both Email Encryption products, and both cover Encryption. Use the table above to see where features, deployment and company size fit differ.
No Email Encryption shortlist yet. This is the closest one.
Updated 2026-11-01
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