TempMail4U is a free service that gives you a temporary email address. You can use it to sign up on websites, receive verification emails, or avoid spam—without using your real email. No sign-up is needed. Just open the site, copy the email, and start using it. Your inbox shows emails instantly and stays active for a short time. You can also save it for later if needed. It’s fast, private, and perfect for one-time use.