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1·This kind of bomb is actually send out from unknown address, great amount, huge capacity, full of chaos codes and nonsense mails. Most of the time send away same mail repeatedly.

这类炸弹实质上是发送地址不详、数量巨、容量庞大、充满乱码或没有意义的垃圾邮件，大多数时候通过大量重复发送信件来实现。