If an app asks for the email address when a guest set up a new account with Sign in with Apple, the guest have two options:
- Choose Share My Email to share your personal email address with an app developer. If a user is familiar with the app and is comfortable with them being able to identify him/her using the email address, User can choose Share My Email option.
- Choose Hide My Email to hide your personal email address and share a unique, random address instead. If user is not familiar with the developer yet or prefer more privacy, user might want to choose Hide My Email.
If a guest "choose Hide My Email", A unique, random email address is created, so the personal email address isn't shared with the app or website developer during the account setup and sign in process. This address is unique to the guest and the developer and follows this format: <unique-alphanumeric-string>@privaterelay.appleid.com
For example, if firstname.lastname@example.org is the Apple ID, the unique, random email address for a given app might look like email@example.com.
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