Fake Email Adresses?

[ilovevbull]

Is there anyway i can get rid of people signing up with fake emails? for example i have it where people cant just sign up and post i have to aprove them and i keep getting emails like this

xjkzbxbarrerajhwotug@gmail.com
hoyhoyhey22@gmail.com
o-hime-sama@hotmail.com

They just dont look like real emails to me it looks like spam,how can i get rid of these any idea's?

[Ronald0]

Enable the email activation. Where they have to go to their email and activate their account.

[ilovevbull]

Thank u for replying where is this located at?

[Ronald0]

Admin CP>Vbulletin Options> User Registration.