Mailinator

Free. Disposable. Email. No sign up! Use any inbox, any time you don't want to expose your personal email to potential spam.

Create any email address @mailinator.com, and inbox is created with email waiting for you! Whether you need it just once or you'd like to use it again and again, it's yours! Features include alternate domains, RSS capabilities, and a your own personal mailbox hero - Mailinator Guy!