说明：  电子邮件(简称E-mai1)又称电子信箱、电子邮政，它是—种用电子手段提供信息交换的通信方式。它是全球多种网络上使用最普遍的一项服务。这种非交互式的通信,加速了信息的交流及数据传送,它是—个简易、快速的方法。通过连接全世界的Internet,实现各类信号的传送、接收、存贮等处理,将邮件送到世界的各个角落。到目前为止,可以说电子邮件是Internet资源使用最多的一种服务，E-mai1不只局限于信件的传递,还可用来传递文件、声音及图形、图像等不同类型的信息。
(electronic mail (E-mai1) also known as e-mail, e-mail, it is- species using electronic means for the exchange of information communication. It is a global network on a variety of the most widely used one service. This non-interactive communication and accelerate the exchange of information and the transmission of data, it is- a simple, rapid method. Connecting the world through the Internet, various types of signals to achieve the transmission, reception, storage, etc., mail sent to all corners of the world. So far, it can be said that e-mail is the most used Internet resources as a service, E-mail mai1 not confined to the transfer, can also be used to transmit documents, voice and graphics, images of different types of information.)