Closes: https://github.com/fleetdm/confidential/issues/6158 Changes: - Added two new config variables to website/config/custom: - `bannedEmailDomainsForCSRSigning` An array of email domains that are not allowed for CSR signing requests - `bannedEmailDomainsForWebsiteSubmissions` an array of email domains that are not allowed for website signups and contact form submissions. - Updated the `deliver-apple-csr`, `deliver-talk-to-us-form-submission`, `deliver-contact-form-message`, and `signup` actions to use the new config variables.