Microsoft Office Live Small Business Community

I have my prefered domain hosted elsewhere. I would like to use the Office Live Small Business for my Email and a website, but Not for all of my websites. So I would like to be able to redirect my MX record and a host on my DNS say live.mydomain.net. Is there a way to do this, or is all or all web, or...

Hi Just signed up to OLSB this afternoon and haven't managed to get very far yet!! I'm stuck trying to get a domain name as I can't confirm because it tells me the credit card number is invalid but there is no box available to enter any credit card information!!! The steps I've taken...