Knowledge Base

Currently, secure certificates of any type CANNOT be issued to individuals or business entities in the following countries, websites, or the following country-code-top-level domains (TLDs):

Check whether your organization is eligible for a VMC or CMC and learn which validation checks Sectigo performs before issuance.

When a VMC authorization letter is required, why Sectigo asks for one, and how to respond when Sectigo requests it.

Replace or reissue a VMC or CMC to update organization details, domains, logo, or CSR, and learn which changes need revalidation.

Access New Sectigo Public Certificate Chain

Learn how Sectigo validates the legal identity, signer identity, assumed name, and physical address of an organization that applies for a VMC or CMC.

Learn who the Contract Signer, Requester, and Approver are for a VMC or CMC order, how they are identified, and how their identity is verified.

Create a DNS TXT record for BIMI so that your VMC logo can display in email for each domain or subdomain.

The verified telephone numbers and email addresses Sectigo accepts for callback validation, and the sources those details must come from.

How a certificate applicant locates the Sectigo Subscriber Agreement link and accepts the agreement so the order can move forward.