@Arthur L Thank you for reaching out to us, As per the documentation - https://zcusa.951200.xyz/en-us/azure/trusted-signing/quickstart?tabs=registerrp-portal%2Caccount-portal%2Ccertificateprofile-portal%2Cdeleteresources-portal#:~:text=legal%20business%20entity.-,Primary%20Email,-Enter%20the%20email
Enter the email address associated with the legal business entity undergoing validation. Part of the Identity Validation process, a verification link is sent to this email address and the link expires in seven days. Ensure that the email address can receive emails(with links) from external email addresses.
Reference: https://melatonin.dev/blog/code-signing-on-windows-with-azure-trusted-signing/
Let me know if you have any further questions, feel free to post back.
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