DigiCert Secure Email (S/MIME) Certs vs Intermedia Email Encryption: side-by-side comparison (2026)

DigiCert Secure Email (S/MIME) Certs: S/MIME certificates for end-to-end email encryption and signing. Built by DigiCert.

Intermedia Email Encryption: Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs. Built by Intermedia.

The table above shows where their features, integrations, deployment and company size fit differ.

DigiCert Secure Email (S/MIME) Certs is made by DigiCert. Intermedia Email Encryption is made by Intermedia. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. DigiCert Secure Email (S/MIME) Certs and Intermedia Email Encryption are both Email Encryption products, and both cover Encryption. Use the table above to see where features, deployment and company size fit differ.