How does Apple intercept overseas text messages?

1. First, Apple intercepts overseas text messages and finds settings-notifications-information in iOS. Then, find "Show iMessage Reminders for the following people" and select "Only My Address Book" to complete.

2. Secondly, as long as you receive the iMessage information sent by the contacts in the address book, it will not be displayed by ID such as email address.

Finally, if a stranger also uses the iPhone, the normally sent iMessage message will also be intercepted.