Beyond Encryption Mailock Free is a free email encryption solution by Beyond Encryption. Z1 SecureMail Gateway is a commercial email encryption solution by Zertificon Solutions GmbH. Features, integrations, deployment and the company behind each one, side by side.
Free encrypted email tool with Q&A recipient auth for individuals.
Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing.
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Based on what each listing shows: deployment, company size, price and open source.
Beyond Encryption Mailock Free fits if you want a cloud product and you need a free product.
Z1 SecureMail Gateway fits if you need both cloud and on-premises options and you are a small business or a mid-market company or an enterprise.
Common questions when comparing Beyond Encryption Mailock Free vs Z1 SecureMail Gateway for email encryption.
Beyond Encryption Mailock Free: Free encrypted email tool with Q&A recipient auth for individuals. Built by Beyond Encryption.
Z1 SecureMail Gateway: Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing. Built by Zertificon Solutions GmbH. Core capabilities include Digital email signing for authenticity and integrity, Automated certificate management via CertMagic®, Inter-organizational encrypted email exchange via GlobalCrypt®.
The table above shows where their features, integrations, deployment and company size fit differ.
Beyond Encryption Mailock Free is made by Beyond Encryption. Z1 SecureMail Gateway is made by Zertificon Solutions GmbH. 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 Free and Z1 SecureMail Gateway are both Email Encryption products, and both cover Encryption. Key differences: Beyond Encryption Mailock Free is Free while Z1 SecureMail Gateway is Commercial. 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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