I did it in the early 2000s with a domain I picked up just for that purpose, which I'm almost positive was "myspamstopper.com", but I let the registration lapse

I did it in the early 2000s with a domain I picked up just for that purpose, which I'm almost positive was "myspamstopper.com", but I let the registration lapse and it was snapped up. It's amazing what was still available back then to easily register.