when i sign up it says my user is my email address but when i try to log in i cant use the @ and it says username cant be found what should i do?

THIS IS WHAT IT SAYS

Welcome to the PlaneShift Crystal Blue internal testing!

Your username is : alllovelost@hotmail.com
Your Verification ID is :
Please note that you will not be asked for this ID because it\'s in the link
below, it\'s only for evidence that you got this mail and that you own this
account

Use the link to verify your account so you can begin playing.