Beyond Encryption Mailock for M365 vs CloudMask End-to-End Encryption: 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)..

CloudMask End-to-End Encryption: E2EE solution for emails, files & SaaS apps with user-held encryption keys. built by CloudMask. Core capabilities include End-to-end encryption for emails, files, and SaaS application data, User-controlled encryption keys stored only on user devices, never transmitted, One-click encryption via CloudMask Lock button within existing applications..

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). CloudMask End-to-End Encryption differentiates with End-to-end encryption for emails, files, and SaaS application data, User-controlled encryption keys stored only on user devices, never transmitted, One-click encryption via CloudMask Lock button within existing applications.

Beyond Encryption Mailock for M365 is developed by Beyond Encryption. CloudMask End-to-End Encryption is developed by CloudMask. 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). CloudMask End-to-End Encryption integrates with Gmail, Google Drive, Clio. Check integration compatibility with your existing security stack before deciding.

Beyond Encryption Mailock for M365 and CloudMask End-to-End Encryption serve similar Email Encryption use cases: both are Email Encryption tools, both cover Encryption. Review the feature comparison above to determine which fits your requirements.