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。

youdao

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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This redirection allows users to access their mail files without needing to know the name of the file or mail server.

这种重定向允许用户访问不同服务器的邮件文件，而无需知道文件或邮件服务器的名称。

youdao

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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