Beyond Encryption Mailock® Secure Email vs DigiCert Secure Email (S/MIME) Certs: Side-by-Side Comparison (2026)

Beyond Encryption Mailock® Secure Email: Encrypted email platform with recipient verification, tracking, and revocation. built by Beyond Encryption. Core capabilities include AES-256 encryption for email messages and attachments, Multi-factor recipient authentication and identity verification, Message delivery and open tracking for compliance..

DigiCert Secure Email (S/MIME) Certs: S/MIME certificates for end-to-end email encryption and signing. built by DigiCert. Core capabilities include End-to-end email encryption using S/MIME, Digital message signing with public/private key pairs, Automated certificate request and delivery..

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

Beyond Encryption Mailock® Secure Email differentiates with AES-256 encryption for email messages and attachments, Multi-factor recipient authentication and identity verification, Message delivery and open tracking for compliance. DigiCert Secure Email (S/MIME) Certs differentiates with End-to-end email encryption using S/MIME, Digital message signing with public/private key pairs, Automated certificate request and delivery.

Beyond Encryption Mailock® Secure Email is developed by Beyond Encryption. DigiCert Secure Email (S/MIME) Certs is developed by DigiCert. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Beyond Encryption Mailock® Secure Email and DigiCert Secure Email (S/MIME) Certs 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.