There is a read receipt function in QQ mailbox. Many people don’t know where to see this function when using it. So now let’s take a look at the tutorial on viewing read receipts brought by the editor.
1. First log in to the QQ mailbox web version and click [Write a letter] ;
2. Then click [Other Options] on the page where you are writing a letter;
3. After the last click, you can see the [Read Receipt] ;
