Specific introduction:
I. Introduction to E-mail
E-mail is an electronic information space for network users to communicate through the network e-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 e-mail box can automatically receive the e-mail sent by any e-mail box on the network, and can store electronic files with specified size and other formats. E-mail has a separate network domain name, and its e-mail address is marked after @. You can watch it at any time in the back, information and so on.
Second, the characteristics
The biggest feature of e-mail is that people can send and receive letters at any time, which solves the limitation of time and space, greatly improves work efficiency and provides great convenience for office automation and business activities.
Third, the type
Mail service providers are mainly divided into two categories, one is to provide personal free email service for individual users, and the other is to provide paid corporate email service for enterprises.