How to fill in the e-mail format accurately?

E-mail format writing, taking qq mailbox as an example, the specific operation method is as follows:

1. First log in to QQ mailbox, and there will be a "Settings" option at the top of the main interface. Click the "Settings" option to enter the settings, as shown in the figure below.

2. After logging in, you can set four different QQ email accounts in the setting interface, and select the second "Account" option, as shown in the figure below.

3. Then, select email at this time. The default QQ email account is :number@QQ.com, and the email suffix is @ qq.com, as shown in the figure below.

4. Then there is the setting of English email account, which can be alphanumeric, email suffix or @ @qq.com, as shown in the figure below.

5. Secondly, it is more formal to set up a Foxmail email account, which can be used for company work. The suffix of the email is @foxmail.com, as shown in the figure below.

6. The last one is the mobile phone mailbox, with the mobile phone number @ @qq.com, which can be opened by sending a text message, so that the mobile phone will have a text message reminder when receiving important emails, as shown below.