How does Iphone intercept overseas SMS?

1. Open Settings-Info-Open Filter Unknown Senders button.

2. You can report when you see foreign or spam messages. There is a report button at the bottom of the unfamiliar iMessage message.

3. If you don't want to watch it at all, you have to disable the iMessage function.

_ The message is transmitted through the network, and the operator cannot intercept it. If you want to completely cut off the harassment of using iMessage to send spam messages, you can only turn off iMessage function.