Yes, that's what we do. We have the one-click through the client at the top, and the link at the bottom takes you to a more robust "preference center" that comb

Yes, that's what we do. We have the one-click through the client at the top, and the link at the bottom takes you to a more robust "preference center" that combines preferences from multiple systems (marketing, sales, product, etc). That doesn't stop people from sending in a spate of complaint emails every single day. But this is kind of the local minimum we have found and no one really wants to mess with it at this point.