[Arthur McGowan]

I use their pre-paid reply envelope every time, to let them know they are getting nothing.

[Resettozero]

I use their pre-paid reply envelope every time, to let them know they are getting nothing.

I stopped doing that some years back when I noticed that my wife and I each had begun to receive TWO mailings each time. Now that's really spamming the mailbox!

Shredder.

[editor-surveyor]

.
You have to remove all names and numbers if you do that, otherwise you go down as a contributor as the mail is scanned in.