We Only ask you for a Valid Email Address, and you can use same of your domains of Other. We allow you to change your password any time because We dont Store Your Password... and dont need to do.

You need Validate One Email Address in http://www.passport.com

You Login with your choosen email, and the password is validated Versus Passport.com , but we dont store the Password.

For your information, you DO NOT need a MSN/Hotmail email account to use MSN Messenger or Passport. You CAN use your own email address to login MSN Messenger. You just need to register a Passport with your own email address, then you can login MSN Messenger with the email. The password can be other than your webmail/pop3 password.