Free temporary Email account without sigup required
What is Disposable Temporary E-mail?
Disposable email - is a service that allows to receive email at a temporary address that self-destructed after a certain time elapses. It is also known by names like : tempmail, 10minutemail, throwaway email, fake-mail or trash-mail. Many forums, Wi-Fi owners, websites and blogs ask visitors to register before they can view content, post comments or download something. Temp-Mail - is most advanced throwaway email service that helps you avoid spam and stay safe.
Website: https://temp-mail.org/en/
Anonymous email features
The Temp Mail service is currently available in 29 languages in a web version, and as a multilingual Android app and browser plugins (Chrome). A user may choose any of the nine preferred domains for the email address. The list includes some eye-catching domains such as @12storage.com, 
Benefits of disposable email:
protection from getting into spammers’ lists and junk mail blacklists;
hiding of a real email address from fraudsters;
protection from phishing;secured downloading of e-books and software that require a user to leave his email address.
one-time receipt of messages from doubtful senders.