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E-mail security

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douggym | 13:23 Fri 14th Jul 2006 | Technology
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Is there any way of ensuring that the e-mails I send can only be read by the e-mail address to which I send them? Is it possible that someone could intercept the e-mails and read them? How could I tell if the 'wrong' person is getting them?
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Try Pretty Good Privacy (PGP). It's an email encyption program that ensures that only the person who can read your emails is the person you sent it to. The other person must also have PGP on their system for it to work. If you email is "intercepted" by a third party, all they'll see is gibberish. Try http://www.pgpi.org/ and follow the download links.
As birdie says, what you want is a form of Public Key encryption. One such program is PGP, but the free version is a little limited. A free (as in speech, too) implementation is called GnuPG. This is a good version of it for windows, and totally free. The receiver also needs to have it.

You each have your own public and private keys, and then you encypt your email message with their public key. Now only they can read it, which they need their private key for. No government agency can read it. No clever cracker. No-one.

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