+1 For years I asked them to put me on their do not contact list. I eventually asked someone with authority. Whenever I am still contacted by managers, I sim

+1 For years I asked them to put me on their do not contact list. I eventually asked someone with authority. Whenever I am still contacted by managers, I simply forward that email with a polite note to that stakeholder. I get apologies and they get a lesson in their responsibilities from someone to which they are liable.