You're looking to host an adult forum, be it a specific fetish community, or just as a platform where you share explicit pictures with each other, but you don't know.
Do you aspire an entrepreneurship in the adult industry? If this so in the already established forums, and second by creating your own forum.
Whether You'll get support or not is up to the staff though. Probably still will. I don't see anything that says "We'll deny support to users of sites.
where can I get a free create forum for adult? Example: freeforums. org (adult not allowed - TOS: I agree not to have any Adult/Nudity.