Denying service to my own mail server

We had some intermittent problems recently with a mail server not being available. As it turns out, I basically was doing a “denial of service” attack on my own mail server, thanks to some caveats in how IMAP, push notifications, and my mobile email client, K9 work together. The problem One of the mail servers […]

Drones for good, pirates in the sky

You’re enjoying a sunny day in the park with some friends. You get out your smart phone to find that piece of music your friends really should hear, and all of a sudden, a flock of colourful mini helicopters appears out of nowhere, and perform a gracious dance in the sky above you while the […]