The email address when applying for a credit card is invalid because it is filled in incorrectly. The correct filled in is: personal address@email service address.com, such as: XXXXXX@XX.com.

E-MAIL BOX is an electronic information space for network communication provided to network customers through the network electronic post office.

E-mail has the function of storing and sending and receiving electronic information, and is the most important information exchange tool on the Internet.

In the network, the email box can automatically receive emails sent by any email box on the network, and can store electronic files in various formats of specified sizes.

The e-mail address has a separate network domain name, and its e-mail address is marked after @.