Beyond Encryption Mailock for M365 vs Zertificon Z1 Solutions: 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. Core capabilities include AES-256 end-to-end email encryption, Recipient identity verification via SMS, Q&A, or Unipass ID, Message revocation after send (including post-open)..

Zertificon Z1 Solutions: Email encryption gateway, secure file transfer, and energy market comms suite. built by Zertificon Solutions GmbH. Core capabilities include Centralized email encryption using S/MIME and OpenPGP, Automated digital email signing, CertMagic automated certificate management..

Both serve the Email Encryption market but differ in approach, feature depth, and target audience.

Beyond Encryption Mailock for M365 differentiates with AES-256 end-to-end email encryption, Recipient identity verification via SMS, Q&A, or Unipass ID, Message revocation after send (including post-open). Zertificon Z1 Solutions differentiates with Centralized email encryption using S/MIME and OpenPGP, Automated digital email signing, CertMagic automated certificate management.

Beyond Encryption Mailock for M365 is developed by Beyond Encryption. Zertificon Z1 Solutions is developed by Zertificon Solutions GmbH. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Beyond Encryption Mailock for M365 integrates with Microsoft 365, Microsoft Outlook, Exchange Online, Unipass ID, CRM (generic). Zertificon Z1 Solutions integrates with Microsoft 365, Google Workspace, Hetzner, IONOS. Check integration compatibility with your existing security stack before deciding.

Beyond Encryption Mailock for M365 and Zertificon Z1 Solutions serve similar Email Encryption use cases: both are Email Encryption tools, both cover Encryption, Microsoft 365. Review the feature comparison above to determine which fits your requirements.