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Chapter 8. E-mail Security > The Mechanics of E-mail

The Mechanics of E-mail

Sometimes it seems that the Internet only exists to support the transmission of e-mail. In e-mail's brief history, it has grown as a hacker's creation for communication on the small ARPAnet into a neoteric communication method that spans the globe. It's a wonderful way to stay in touch with friends and family and to conduct business. The benefits of e-mail seem enormous, but, of course, dangers also exist.

This section covers e-mail software such as Eudora (www.eduora.com), Netscape Mail (mail.netscape.com), and Microsoft Outlook (www.microsoft.com/outlook); however, everything we say can also be applied to online mail services such as Yahoo! Mail and Hotmail. In the next few sections, we will have a closer look at some of the dangers of e-mail, followed by the measures you can take to protect against them. First, we need to mention POP3, IMAP4, and SMTP, the major e-mail protocols in use today:


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