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DigiCert S/MIME Email Certificates

Secure email for individuals and organizations of every size

Secure Email (S/MIME) Certificates

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Pair your Thawte certificate with an S/MIME certificate from DigiCert to get end-to-end encryption that protects against tampering, phishing and man-in-the-middle attacks.

Every S/MIME-protected message you or your employees send or receive will travel securely from outbox to inbox, giving you confidence no one has manipulated the contents along the way.

  • 24x5 standard support
  • Automated certificate request and delivery
  • DigiCert CertCentral certificate management platform
  • Supported by Gmail, Yahoo and all major email services
  • Compatible with email apps like Microsoft Outlook and Apple Mail

Secure Email (S/MIME) Certificates

S/MIME Certificate Product Image

Pair your Thawte certificate with an S/MIME certificate from DigiCert to get end-to-end encryption that protects against tampering, phishing and man-in-the-middle attacks.

Every S/MIME-protected message you or your employees send or receive will travel securely from outbox to inbox, giving you confidence no one has manipulated the contents along the way.

  • 24x5 standard support
  • Automated certificate request and delivery
  • DigiCert CertCentral certificate management platform
  • Supported by Gmail, Yahoo and all major email services
  • Compatible with email apps like Microsoft Outlook and Apple Mail

Secure Email (S/MIME) Certificates

S/MIME Certificate Product Image

Pair your Thawte certificate with an S/MIME certificate from DigiCert to get end-to-end encryption that protects against tampering, phishing and man-in-the-middle attacks.

Every S/MIME-protected message you or your employees send or receive will travel securely from outbox to inbox, giving you confidence no one has manipulated the contents along the way.

  • 24x5 standard support
  • Automated certificate request and delivery
  • DigiCert CertCentral certificate management platform
  • Supported by Gmail, Yahoo and all major email services
  • Compatible with email apps like Microsoft Outlook and Apple Mail
Secure Email (S/MIME) Certificates

Features

Flexible solutions


Flexible S/MIME signing allows you to meet security requirements, stay compliant and satisfy every email use case.

Secure Email for Individuals


Ideal for individuals or small teams using Google or other shared email platforms.

Secure Email for Business


Employee subscriptions for individuals (i.e., firstname.lastname@example.com) or group subscriptions for shared or corporate email addresses (info@example.com), perfect for companies looking to guarantee the authenticity of users and their communications.

Specifications

  • IETF Compliant EKU
  • Meets CA/B Forum standards
  • Enables mailbox-validated, individual-validated, organization-validated and sponsor-validated signatures

Frequently Asked Questions
 

Related resources

Secure S/MIME Email Certificates Image
GUIDE

S/MIME Validation Guidelines

Secure S/MIME Email Certificates Image
GUIDE

S/MIME Industry Requirements

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Securing email: Digital trust in communications

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Use cases

DigiCert S/MIME Certificates are the ideal solution for individuals and organizations seeking to improve email visibility and security, including:

  • Meeting strict compliance and/or regulatory environments
  • Protecting company data and Intellectual Property
  • Guarding users against phishing and spoofing attacks
  • Improving user trust
  • Securing sensitive data in transit
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