I have an application set up with Devise handling authentication for me and Devise allows me to create multiple accounts with the same email address. Considerin

I have an application set up with Devise handling authentication for me and Devise allows me to create multiple accounts with the same email address. Considering how commonly used Devise is for setting up a site with Ruby on Rails, this is a huge open hole for a lot of websites who might not appreciate multiple user accounts tied to the same email.