I justn looked at 33mail and they ask for a signup. As re_todd says, mailinator asks for nothing from the user. The accounts are created automatically. Just

I justn looked at 33mail and they ask for a signup. As re_todd says, mailinator asks for nothing from the user. The accounts are created automatically. Just send mail to some-new-account-foobarbaz@mailinator.com and an account (user) is automatically created. No passwords. No sign in.