I still use hushmail for "throwaway" type emails where I have to sign up for something I'm pretty sure will be used as an email marketing platform. Then if one alias gets compromised I just delete it. hushmail has decent anti-spam measures also. I wouldn't trust it to send that really important email for Snowden only but it works great for basically unlimited email aliases. Then I can also see more easily who's probably selling off their address list and stop using their product.