unable to recreate account with identical settings, esp. domain name

i deleted an account, now i want to either undelete it (how), or just sign the user up again. i can not create the account when it has the same domain, apparently. :frowning:

heeeelp…
?(

edit
like this : http://support.jodohost.com/showthread.php?t=2593
/edit

edit2
but more this: http://support.jodohost.com/showthread.php?t=2337