Do a Google search for temporary email or anonymous email.  You'll find several possibilities.  I do not endorse any, proceed at your own risk.

One I found interesting was Mailinator.  It was mentioned on another site as the best and top rated   http://www.mailinator.com/

The site that mentioned the rating was Sizlopedia's

Top 20 Temporary and Disposable Email Services

See it at http://www.sizlopedia.com/2007/05/27/top-20-temporary-and-disposabl...