Reliably encrypting emails using GnuPG
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Evangelizing
The methods I have described here using GnuPG, Enigmail, and Thunderbird are not limited to Linux. Mac OS X allows you to encrypt your emails with this combination and the additional GPG tools for Mac OS X [4]. Windows provides the Gpg4win project [5] as a GnuPG implementation.
Thunderbird also has alternatives. For example, the Mac OS X mail client has a native GnuPG implementation with its GPG Suite plugin [6], and Windows also has workable GnuPG mail programs. The biggest hurdle isn't the technology but the willingness to embrace the email encryption concept.
My experience shows that a bit of evangelical work helps in spreading the GnuPG gospel. It has some concrete benefits: The better the PGP's Web of Trust works, the harder it is for third parties to spy on your emails.
Infos
- "Password Strength" comic: http://xkcd.com/936/
- Enigmail for Thunderbird: https://addons.mozilla.org/de/thunderbird/addon/enigmail/
- Key signing at FOSDEM: https://fosdem.org/2015/keysigning/
- GPG tools for Mac OS X: https://gpgtools.org
- Gpg4win: http://www.gpg4win.de/index.html
- GPG tools: https://gpgtools.org
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