Mail rejection has an exclamation point, but there is no exclamation point.

There is an exclamation point, but there is no exclamation point. 1, exclamation point: When you receive a message, you can't receive it normally because the other party blacked you out or blocked you. At this point, the system will display an exclamation point in the message prompt to remind you that the message has been rejected.

2. No exclamation point: In another case, when the message you sent is rejected by the other party, the system will not intentionally display an exclamation point. You will only receive a notification of sending failure, reminding you that the other party rejected your message.