Oh yes Dr, Might be early publishers and they dont seems accepting new publishers Also those two a are very big forums and our one is just a 1xxx od members forum. Might also taking note of the visitors location i think. in this case we asia.
if you are looking to get in with cpx, i run an exclusive deal with them, so signing up with me i can get you the same rates if not better than what they can provide. Dont mean to "spam" but i do have a campaign of theirs running right now. Its huge. So if you wanna technically publish for them the door is open.
I had a forum and they accepted my request long agos . I think that they changed their tos last month , so now they dont accept forums .