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The Internet: The Missing Manual by David Pogue, J.D. Biersdorfer

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Fighting Email Pests

As helpful and convenient as the Internet can be, it's also a fairly lawless land. Email has become a tool of sleazy, shady individuals, so treat all messages from strangers with a skeptical eye and a cautious mouse. Many of the programs mentioned in Chapter 21 can help protect you and your computer from two of the Internet's biggest infectious parasites: spam and viruses.

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