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New Certificate Profile Requirements for Public Secure Email (S/MIME) Certificates 2025

The S/MIME Baseline Requirements currently support three certificate profiles for Secure Email (S/MIME) certificates: Strict, Multipurpose, and Legacy. The baseline requirements refer to these as generation profiles.

Keygen support dropped with Firefox 69 | PKI Platform

The support for the non-standard <keygen> HTML element and HTMLKeygenElement DOM interface has been removed with Firefox 69.

MacOS Catalina Certificate pickup fails | PKI Platform

Run the following command with Admin rights: sudo defaults write /Library/Preferences/com.apple.security.smartcard Legacy -bool true

Browser Extension Instructions | PKI Client

Install Authentication Client browser extension, then enroll for your certificate. Return to the same enrollment page to complete your certificate installation.

DigiCert PKI Platform Enterprise Gateway deployment guide

DigiCert PKI Enterprise Gateway integrates with your Active Directory and network infrastructure to issue certificates to end users.

Plesk Administrator : SSL Certificate Installation

This page provides instruction on how to install SSL certificate in Plesk Administrator.

Windows: Intermediate Certificate Troubleshooting

This page provides instruction on how to resolve intermediate certificate error.

IBM Websphere : SSL Certificate Installation

This page provides instruction on how to install SSL certificate in IBM website.

Mac OS X Mavericks : SSL Certificate Export and Import

This page provides instructions on how to export and import SSL certificate in Mac OS X Mavericks.

Zimbra : CSR Creation & SSL Installation Instructions

This page provides instruction on how to create CSR and install SSL for Zimbra.