Combining the Enigmail add-on and the GnuPG encryption software gives Thunderbird users a powerful tool for encrypting and signing email.
Email communication has become an indispensable part of our daily lives. In addition to private correspondence, it is standard to send business messages by electronic mail. Of course, this means sending all kinds of confidential information across the wire, but you will be hard pressed to find anybody who really worries about the security of this medium, even though messages typically are transmitted in the clear to the recipient. This said, encryption is not exactly rocket science; in fact, thanks to modern software, it is quite simple and convenient.
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