http://www.mailinator.com/mailinator/index.jsp
That site offers your personal disposable email account. Here is how it works: Wherever you are, someone (or some webpage) asks for your email. You know if you give it, you're gambling with your privacy.
On the other hand, you do want at least one message from that person. The answer is to give them a mailinator address. You don't need to sign-up. You just make it up on the spot. — pick anything you want.