Netease Battle.net always sends verification code to my mailbox. What does it verify?

Nothing is being verified, it is a measure to remind players to play. It can be forced to close in the background.

The mailbox has been receiving spam, which can be solved by setting a way to prohibit the mailbox from receiving spam. The specific operation steps are as follows:

1, go to the home page of email first:

2. Then click the label marked as, and click the advertising email in the pop-up drop-down menu:

3. Then, you can see that the spam you just received has been successfully marked:

4. In this way, you won't receive spam in the process of using email: