Dave used to do a custom version of this (I heard rumors that he stopped, I’m not sure). You’d put your email in a web form and his web server would create a te

Dave used to do a custom version of this (I heard rumors that he stopped, I’m not sure). You’d put your email in a web form and his web server would create a temporary email address that would forward to his actual email for like 24hrs and then stop. You’d receive an email with the temporary address so you could send him whatever email you wanted to send him. A pain, but he was serious about hating email spam.