CB 2 new user email account set up

can a field be added to registration and/or profile edit field to allow a user to select a field if they want there own email account threw the site. ex Nick.A@mysite.com :)

what is the best options avail for password? , or would use the password used in registration? i like using the user login password. same password for both.

if not possible,

how about setting up a auto action, that once selected in registration and/or profile edit,
would auto create a email account using the username entered in registration,

same questions about password

I would like to add, i am completely impressed with the work being done with CB 2 , especially the youtube vids , I wait for the next one to come out daily, thank you to everyone working on CB 2 to make it as newbie friendly as possible. thank you

You would need to discuss this with your host. They would need to provide some sort of PHP API or HTTP endpoint for you to call. As for the email address and password I would just use the users username and password as given to CB. Ideally you could use CB Auto Actions and act on the after registration trigger then update the password when it changes on the after profile update trigger, but I've no idea how your host intends on allowing you to create email accounts like that.