I spent 5 years trying to get AT&T Time Warner to stop sending monthly ads for their cable internet. I finally got someone to admit that they don't maintain a "

I spent 5 years trying to get AT&T Time Warner to stop sending monthly ads for their cable internet. I finally got someone to admit that they don't maintain a "do not mail" list and that every other CSR I spoke to had lied to me. What finally worked was threatening a lawsuit and restraining order. The ads stopped immediately.