Form 1500
It’s time for my yearly check-in and you make me regurgitate html… sad thing too, this opt-out you’re looking for is another google wonder.
It’s magical. Form 1500 – fill it out, attach it to your pornographic mail (like you’d return that) or OFFENSIVE mail, take it to the post office (a bit of work involved here) and they cannot deliver mail from that sender to you.
I’m thinking, print out a few dozen of these, collect up all the litter that fills your box and make one final visit to snail headquarters. voila.