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Chapter 18. Secure E-mail > How E-Mail Security Works

How E-Mail Security Works

Secure e-mails rely on digital certificates to establish a trust relationship between two computers. Digital certificates are issued by certification authorities, which can be trusted third parties or certificate servers set up by your company.

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Some well-known certificate authorities include VeriSign and Thawte. You will learn how to get a free e-mail signing certificate later in this chapter, in the section “Getting a Digital Certificate.”



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