Gmail Witchcraft

Say your email is If people are giving that out or things get hacked, it's über difficult to trace.

So… you can append '+' with any word to the first part ('you' in the above example), and it'll still be delivered to you. So as your uber email, you could try You now have unlimited sibling addresses for anything, making it a cinch to track spammers, et cetera.

P.S. I hear this is just for Gmail, but I just tested between two Zoho accounts and it seems to work…