The general format of the email address is: username@domain name. The e-mail address has a separate network domain name, and its e-mail address is marked after @.
1. A complete Internet email address consists of the following two parts. The format is as follows: login name@hostname.domain name
Use a in the middle to indicate "at" (at ) is separated by the symbol "@", the left side of the symbol is the login name, and the right side is the complete host name, which consists of the host name and domain name. Among them, the domain name consists of several parts, each part is called a subdomain, and each subdomain is separated by a dot ".". Each subdomain will tell the user some information about this mail server.
2. A complete email consists of two basic parts: letterhead and letter body.
(1) Letterhead generally has the following parts:
①Recipient, that is, the email address of the recipient;
②Cc, indicating There can be multiple email addresses of other people who can receive the email at the same time;
③The subject is a summary description of the content of the email, which can be one word or one sentence. Prepared by the sender.
(2) Letter body. The body of the letter is the content of the letter that you want the recipient to see. Sometimes the body of the letter can also include attachments. An attachment is one or more computer files contained in a letter. Attachments can be separated from the letter and become independent computer files.
Extended information:
E-mails are mainly divided into two categories. One category mainly provides free personal email services for individual users, and the other category provides paid corporate email services for enterprises.
1. Personal mailboxes mainly include: 163 mailbox - the first brand of Chinese mailboxes; Sina mailbox; tom mailbox; 21cn mailbox; Sohu mailbox, the famous brand of Chinese mailboxes; QQ mailbox; Gmail mailbox; Hotmail mailbox; 139 Email; 2980 Email.
2. The main corporate mailboxes include: 35 Internet; China Resources; Wanwang; Xinwang; Xinwang; NetEase; Microsoft; Google; Tencent; Sina.
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Reference materials: Baidu Encyclopedia-E-mail