Knowledge Base

How to Create a DNS BIMI record

Legal Existence for VMC/CMC

Minimum requirements for mark certificates

Guidelines for replacement of VMC/CMC

Clarification about SA CRF for VMC/CMC

Access New Sectigo Public Certificate Chain

Explains what a pre-validation order is in the Sectigo Account Portal and how to locate its order number and current validation status.

S/MIME certificate validation verifies identity, mailbox control, and authorization to ensure secure email communication. Customers can expect steps like email verification, agreement completion, and callback authentication to prevent fraudulent certificate issuance.

The reason you will see this error message is that an email certificate has already been issued to your email address. If you want to get a new one, then you will have to first revoke the current certificate.

This article references key information from Apple’s Policy Requirements page