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www.wifewantstoplay.com
While the automated keyword censorship, inbuilt in the forum software is annoying, it is one administrative/moderation tool to avoid otherwise problematic content in an automated way. In objective terms, this site is one of the few remaining that hasn't gone the full censorship route, with age verification, etc.
The moderators I've found to be pretty flexible and open-minded. The rules and policies are there to avoid problematic legal/regulatory conflicts.