1. 最简单的一个例子： mail-s test yangfang@fudan.edu.cn 这条命令的结果是发一封标题为test的空信给后面的邮箱，如果你有mta并且后面的邮箱不会挡这种可能莫名奇妙的信的时候，就能收到这封信了。如果你不想被这种乱七八糟的事情干扰，后面的邮箱请使用本地帐户。

linux mail.txt

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