How to block the news of someone among QQ strangers?

QQ rejects stranger messages and blocks stranger messages:

1, if this stranger is on your QQ stranger list, then you can directly blacklist this person, so that the system will automatically block the messages he sends you. draw

If you add a stranger as a friend, you can find him in your friend list. Then right-click to enter the permission settings, and click to block this person's information, so you can't receive his information either. draw

Baidu experience reference

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