Is the full name of the mailbox, the structure is: user name @ mail server, the user name is the login name used on the host, and the logo (domain name) of the post office service computer is given by the post office after @. For example, "Support @ 68abc.com" is an email address.
When you need to send an email to someone online, you must know their email address, and you need one yourself. The so-called e-mail refers to letters written, sent and received through the Internet, with the purpose of realizing the information interaction between the sender and the recipient. Also known as email, email for short. E-mail addresses are the same as letters commonly used in real life, including the name and address of the recipient.
2. E-mail address is a character string used to represent the e-mail address when sending e-mail, and it is a passport for individuals to surf the Internet, which was created by ray Tomlinson. Tomlinson's invention became an instant hit, which was supported by the National Defense Forward Research Projects Agency and became the first choice for internal communication.