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Chapter 8. Protecting Email
Email is
a terrific medium for communication, but it's
neither private nor secure. For example, did you know that:
- Each message you send may pass through many other machines en route
to its intended recipient? - Even on the recipient's computer, other users
(particularly superusers) can conceivably read your messages as they
sit on disk? - Messages traveling over a traditional POP or IMAP connection can be
captured and read in transit by third parties?
In this chapter, we provide recipes to secure different segments of
the email trail:
Secure your email messages, using encryption and signing
Protect your mail session, using secure IMAP, secure POP, or tunneling
Avoid exposing a public mail server, using
fetchmail or SMTP authentication
We assume that you have already created a GnuPG key pair (private
and public) on your GnuPG keyring, a prerequisite for many recipes in
this chapter. [Recipe 7.6]
