Yup, the only part you are not saying is that the CPA companies subscribe them to hundreds if not thousands of other opt-in lists, so, have fun un-subscribing from them all.

You are right about the primary email thingy, but i bet you know that most of your users that earnt something from your site didn't bother to use throw away emails, and the ones that did use throw away emails/fake data were the ones that never got their CPA offers to convert.

I do CPA for a living for some years now, i know that market inside out, doesn't matter how golden you paint the picture, I KNOW THE PICTURE IS BLACK!