Disclosure: I run Mail.td, the service recommended below. Everything here is checkable on the site itself.

Most temporary email services have a flaw nobody mentions: the inbox is public. Anyone who knows or guesses the address can open it and read everything in it — including your verification codes and password reset links. If you only need an address for ten minutes and nothing sensitive ever lands in it, fine. The moment a signup matters, that design stops being acceptable.

So when people ask me which temp mail to use, my answer starts with one filter: does the inbox have a password? Almost none do. This is the one I recommend, and why.

The recommendation: Mail.td

Mail.td is a temporary email service built around a password-protected inbox. You create an address, set a password, and that password is what reopens the inbox — on any device, later, without an account signup.…