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Sending an encrypted email, for most people, is hard. Although a wave of secure messaging tools have flooded app stores since Edward Snowden's NSA revelations, and clear tutorials on how to set up encrypted email have since been penned, it can still be a daunting task for somebody who doesn't have the time or technical know-how.But if my mum can successfully send an encrypted email with this, I'm pretty sure anyone else would be able to.