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.