S/MIME email certificates compared
An S/MIME certificate binds an email address to a key pair so that mail clients can verify signatures and encrypt messages. Mailbox-validated certificates only prove control of the address; organization-validated ones also carry your company name.
Certificates in this category
Sorted by lowest verified 1-year price. Commissions never change the order or which sellers are shown.
| Certificate | Validation | Covers | Lowest price / yr |
|---|---|---|---|
| SSL.com Basic S/MIMESSL.com | Mailbox | 1 email address | $14.00/yrSSL.com |
| DigiCert S/MIME Class 1DigiCert | Mailbox | 1 email address | $19.00/yrThe SSL Store |
| Sectigo S/MIME Mailbox ValidatedSectigo | Mailbox | 1 email address | $28.25/yrGoGetSSL · 2 sellers |
| Sectigo S/MIME Organization ValidatedSectigo | Organization | 1 email address | $38.25/yrGoGetSSL · 2 sellers |
Prices are 1-year subscription prices in US dollars before tax, as shown on each seller's site on the verified date. Prices change often; the seller's checkout is authoritative.
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