How to write the correct e-mail format

The general format of e-mail is: user name @ domain name. E-mail 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, and the format is as follows: login name @ hostname. Domain name.

The middle is separated by the symbol @, which means "in". On the left of the symbol is the login name, and on the right is the complete host name, which consists of host name and domain name. Among them, the domain name consists of several parts, each part is called a subdomain, and the subdomains are separated by a dot. Each subdomain will tell users some information about this mail server.

2. A complete email consists of two basic parts: the title and the text.

(1) letterhead generally has the following parts:

(1) Recipient, that is, the e-mail address of the recipient;

(2) CC refers to the email addresses of other people who can receive emails at the same time, and there can be multiple;

The subject is a general description of the content of the email, which can be a word or a sentence. It was written by the sender.

2 letter. The text of the letter is what the recipient wants to see, and sometimes the text of the letter can also contain attachments. Attachments are one or more computer files contained in a letter, which can be separated from the letter and become independent computer files.

Extended data:

E-mail is mainly divided into two categories, one is to provide personal free e-mail service for individual users, and the other is to provide paid e-mail service for enterprises.

1, personal mailboxes mainly include: 163 mailbox-the first brand of Chinese mailbox; Sina mailbox; Tom's mailbox; 2 1cn mailbox; Sohu mailbox Chinese mailbox famous brand; QQ mailbox; Gmail mailbox; Hotmail mailbox; 139 mailbox; 2980 mailbox.

2. Enterprise mailboxes mainly include: three-five interconnection; China resources; Wang Wan; New network; New network; Netease; Microsoft; Google; Tencent; Sina.

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References:

Baidu encyclopedia-E-mail