AT&T E-mail Admin

Could someone forward me over to someone in AT&T's e-mail department? I've got an IP that's seemingly mistakenly on their RBL. It isn't on any blacklists listed at MXToolbox and the logs don't show any recent SPAM like activity. I filled out their form, but no response yet and I suspect they won't take too kindly to my "There's nothing wrong." response in it.