Electronic Mail Security E-mail –what it is and how it works. E-mail security threats. Secure e-mail standards and products - PGP and S/MIME. 3
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E-mail –what it is and how it works What is an e-mail? An e-mail is a message made up of a string of ASCII characters in a format specified by RFC 822 Two parts, separated by blank line: The header: sender, recipient, date, subject, delivery path,…The body: containing the actual message content. 4