Contact Comodo (now Sectigo) Support
No, I have not received the DCV (approval) email
I completed DCV but the order is not issued (Brand validation)
How to complete HTTP-based validation
How can I complete the domain control validation (DCV) for my SSL certificate?
EV process and its documentation
What do I need to validate an EV certificate?
What do I need to validate an OV certificate?
Can I get an OV/EV certificate if I apply as an individual and don’t have a registered organization?
What is the difference between very high, high, medium and low assurance certificates?
Validation of PositiveSSL and EssentialSSL Certificates
Why do I need to provide documentation when ordering a certificate?
How to deal with the orders rejected during validation
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