How does Apple's mobile phone view blocked messages?

The interception that comes with the system can't receive any messages that you are blacklisted at all, so if you use the interception function that comes with the system instead of the third-party software to set interception, then you won't see the intercepted messages.

Intercept SMS settings:

1, mobile phone-settings;

2. Settings-notification;

3. Notice-information;

4. Select the option "Remind from my address book only" to prevent the display of strange spam and sound reminders.