That's what I've always done, with an upper limit of 1. More seriously, this just kicks the can a little bit. "Already people can chuck a + in the user part..

That's what I've always done, with an upper limit of 1. More seriously, this just kicks the can a little bit. "Already people can chuck a + in the user part...so really there's not much point trying to maintain a 25:1 user to email ratio"