LazyInbox is described as 'It gives its users the ability to create free, anonymous, encrypted temporary email accounts in a matter of seconds' and is a disposable email service in the security & privacy category. There are more than 10 alternatives to LazyInbox, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Windows Mobile. The best alternative is Guerrilla Mail, which is both free and Open Source. Other great sites and apps similar to LazyInbox are Shitmail, Tempr.email, Fake Mail Generator and Sneakemail.
Guerrilla Mail gives you a disposable email address. You can give your email address to whomever you don't trust. You can read the email using Guerrilla Mail, click on any confirmation link, and even reply.
Tempr.email is a service for temporary email addresses (Temp mail), also called trashmail addresses or fake email addresses. The service was founded in 2004, at that time still under Discardmail.com and later Spambog.com. Tempr.
Fed up with spam filling your inbox ? Get a temporary email address for a few minutes, hours or days (as you need) : all received emails will be automatically redirected to your real email address until expiry.
FakeMail is a free temporary email address generator and throwaway email service provider offering temporary, secure, anonymous, free, disposable email addresses where you can receive email temporarily but self-destructs after a certain time.
Minute Mailbox is a temporary email service that allows you to generate email IDs and receive emails right the way. You can get your temporary addresses for free with a click of the mouse and let them self-destruct after 24 hours.