New domain for Sign in with Apple and iCloud+ Hide My Email

Apple will unify the email domains for Sign in with Apple and iCloud+ Hide My Email under private.icloud.com later this summer. New addresses for both features will use this shared domain, replacing privaterelay.appleid.com and icloud.com. Existing legacy domain addresses will remain functional and continue forwarding mail without interruption. Developers utilizing Sign in with Apple must update their account systems, email validation logic, and allowlists to ensure they accept addresses from the new private.icloud.com domain.