I showed a new to IT guy about open relays and he was about to send an email from the CEO but thinking better, he sent the joke email from "JohnDoeTotallyTheCEO

I showed a new to IT guy about open relays and he was about to send an email from the CEO but thinking better, he sent the joke email from "JohnDoeTotallyTheCEO@gmail.com" (real name instead obviously) - the amount of people STILL thinking it was the real thing was embarrassing.