DigiCert S/MIME Certificate Secures Email Identity
Total $ 68.40
Encrypt and Digitally Sign Emails

Ensure your Private Email Communication is Safe, Secure and Validated.

DigiCert Brand

DigiCert S/MIME Certificate

Encrypt Emails + All Its Content

A DigiCert S/MIME Email Certificate uses a robust 2048-bit RSA signature key asymmetric cryptography to encrypt your emails, making it impossible for unauthorized users or hackers to read them. It also applies your cryptographic (digital) signature to emails so that recipients can quickly verify the email is coming from you and that there was no tampering while in transit.

Protect your Email Communication from Cyber Criminals

30 Days Money Back 30 Days Money Back
Powerful Email Security Powerful Email Security
Two-Factor Authentication Two-Factor
Digital Email Encryption Digital Email

Encrypt your Email by Digitally Sign it.

DigiCert's S/MIME Certificate enhances network, app, and server protection with certificate-based two-factor authentication. Only authorized users with client certificates access sensitive data, reducing reliance on usernames and passwords.

Some of the most used email clients that support DigiCert S/MIME are:

It offers good compatibility with most of all the popular email clients and mobile devices:

  • Gmail
  • MailMate
  • Apple Mail
  • CipherMail
  • IBM Notes
  • iPhone iOS Mail
  • Mozilla Thunderbird
  • Microsoft Outlook or Outlook on the Web
SMIME Email Signing – Video

DigiCert S/MIME Certificate Features

  • 2FA (Two Factor Authentication)
  • Email and Document Security
  • Organization Validation
  • Establish crypto-unique Identities
  • Trusted Remote Identity Verification (RIV)
  • Intuitive DocuSign integrations
  • Flexible Workflow Options
  • Secures Organizational Email
  • Outlook, Apple Mail, and Other Clients Supported

DigiCert S/MIME Certificate Benefits

Digital SigningDigital Signing

It enables users to sign their emails and documents digitally. This digital signature assures the user receiving the email or document regarding the legitimacy and integrity of the received digitally signed content.

Versatile CompatibilityVersatile Compatibility

S/MIME Certificates offered by DigiCert are compatible with "n" number of email clients. This broad compatibility ensures users can seamlessly integrate digital signatures and encryption into their preferred communication tools.

Trust and AssuranceTrust and Assurance

DigiCert, a trusted CA, is renowned for its unwavering commitment to security and reliability. Utilizing their S/MIME Certificate instills high trust and assurance in both the sender and recipient of digitally signed content.

Robust Encryption StrengthRobust Encryption Strength

It gives you strong encryption for all the signed emails you send. It shields it using a robust RSA public-key SHA-2 algorithm that assure email is secure and isn't modified or read by an unintended entity.

Frequently Asked Questions

Have Questions? We're here to help.

What is a S/MIME certificate?

S/MIME, or Secure/Multipurpose Internet Mail Extensions, empowers users to safeguard email integrity and privacy. Its encryption protocol uses a two-key system (Public and Private) to encrypt and decrypt an email and prevent external tampering.

Why to use S/MIME certificates?

S/MIME secures email communication from cyber-attacks like phishing, spoofing, and social engineering. It also provides users and partners an explicit trust and security level with the use of digital signatures.

How to use DigiCert S/MIME in the Google Chrome web browser?

To use DigiCert S/MIME in Outlook in the Google Chrome web browser, set and configure the Chromium policy named ExtensionInstallForcelist to install the Microsoft S/MIME extension in Chrome.

Which three signature hash options are available when buying a DigiCert S/MIME certificate?

When buying the DigiCert S/MIME Email Certificate, you have three (3) signature hash options: SHA-256, SHA-384, and SHA512. Depending on your requirements, you can pick anyone.

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