Beyond Encryption Mailock for M365 vs Galaxkey Email Encryption Software: 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)..

Galaxkey Email Encryption Software: Email encryption software using FIPS 140-2 compliant modules and RSA keys. built by GALAXKEY. Core capabilities include FIPS 140-2 compliant encryption modules, 2048-bit or 4096-bit RSA key encryption, Keyring technology for multiple keys..

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). Galaxkey Email Encryption Software differentiates with FIPS 140-2 compliant encryption modules, 2048-bit or 4096-bit RSA key encryption, Keyring technology for multiple keys.

Beyond Encryption Mailock for M365 is developed by Beyond Encryption. Galaxkey Email Encryption Software is developed by GALAXKEY. 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). Galaxkey Email Encryption Software integrates with Microsoft Outlook 2013, Microsoft Outlook 2010, Microsoft Outlook 2003. Check integration compatibility with your existing security stack before deciding.

Beyond Encryption Mailock for M365 and Galaxkey Email Encryption Software 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.