在因特网上通过电子邮件交往联系的过程中,为了方便收信人与发信人的沟通,可将发信人所在单位、联系地址、邮政编码、电话以及联系方法等信息存入签名文件中,每次发送电子邮件时,该文件将自动附在信件内容的最后,省去每次输入上述信息的麻烦。签名文件可以是一般的文本文件,也可以是超文本文件,在后一种签名文件中当然可以放入图片、声音等多媒体信息,但为了缩短信件的长度,签名 In the process of contact and contact through e-mail on the Internet, in order to facilitate the communication between the addressee and the sender, the sender’s address, postal code, telephone number and contact information can be stored in the signature file and sent each time E-mail, the file will be automatically attached to the contents of the final letter, eliminating the need to enter the above information each time the trouble. The signature file can be a normal text file or a hypertext file. Of course, the latter signature file can be used for multimedia information such as pictures and sound, but in order to shorten the length of the message, the signature