FYI, i've been seeing some complaints about emails not showing up or taking a long time, so in order to not hinder new sign ups, i went ahead and suspended email verification for now. I might look at turning it back on later, but for now I wanted the user on boarding experience to go better.
This means that you should, after setting up your account, add an email to it, just to make sure you have the ability to recover your account at a later date.
I highly recommend adding a question and the captcha though.
There is a big problem with bots accounts the last few days.