Many server and client mail systems only file mail on "incoming" or "new" E-mail and become useless once the E-mail reaches the user's mailbox.

许多服务器和客户端邮件系统仅对“传入的”或者“新的”电子邮件进行归档，并且在电子邮件到达用户的邮箱之后便失去了作用。

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When you send an e-mail you can also send a file as an attachment and that file can be a graphic, a program, a sound or whatever.

当发送电子邮件时，你还可以把一份文件作为附件发送，该文件可以是图片、程序、或声音文件等。

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That file was electronic message, so suddenly in about 1971, we had e-mail. So an e-mail was pretty much the major use of the internet for the next 20 years.

那种文件就是电子消息，如此突然的，约在,1971年，我们有了电子邮件，电子邮件,基本上是此后20年互联网的主要运用形式。

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Applicants can also file via mail, but completing the form online makes future renewals easier.

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The rest was remote access to computer networks, e-mail and file transfers from one computer to another.

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For example, even if you use commercial tax prep software, you can either e-file or print and mail your return.

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