New User (without e-mail)

Ahoy,

I’m running a WP-site for a gymnastics team. It turned out last season that quite a few of our gymnasts only got an email address to get a Facebook account and since then have forgot everything about their email address.

Since last season I’ve switched host – and relaunched the site and I’m about to add the gymnasts once again. But I’d like to do that without having to type in an e-mail address for each user… Is it somehow possible to bypass the “E-mail (required)”-field when adding a new user?

// Bvian