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Account Security Feature: Approved User Email Domains

CertCentral Administrators can now specify what email domains users can create a CertCentral account for. This helps prevent emails from being sent to non-approved, generic email domains (,, or domains owned by third parties. If a user attempts to set or change a user email address to a non-approved domain, they receive an error.

Find this setting in Settings > Preferences. Expand Advanced Settings, and look for the Approved email domains section.

Note: This does not affect existing users with non-approved email addresses. It only impacts new users and email changes made after configuring this setting.