We’ve already shown you how to shutdown Windows via SMS with Outlook and how to do the same on a Mac using Mail.app, but a user on the Hak5 forums demonstrates how to setup a similar SMS shutdown using the venerable Thunderbird email client. The method requires the Mailbox Alert extension and a little configuration, but once you’re done you can save some power with a quick text message next time you forget to shutdown your computer. The tutorial is Windows-specific, but I’m guessing you could mesh the Mail.app method with this one and accomplish the same thing for OS X.

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