Disposable e-mail Addresses
If you've ever wanted to sign up for a website just to check it out, but were hesitant to surrender your e-mail address for the fear of worthless e-mails filling your inbox to the brim, there is a solution as elegant as disposable tissues - and it's called Guerrilla Mail.
This website provides you with disposable e-mail addresses which expire after 15 Minutes. You can read and reply to e-mails that are sent to the temporary e-mail address within the given time frame.
Link : Guerrilla Mail