Have you thought about publishing over at Elora's Cave? That site is recognized by the Romance Authors Association (??, I think that's the right name) Any way they are legit. Two reasons for you to think about it, you get paid higher than what you are asking, and they have a huge audience. So if they take you on it would be tremendous publicity for your new site. Also, you can use a pen name if you like.
There is really nothing wrong with good porn, you know what you are writing, but some people will turn their noses up, others could care less. The real question is "How do YOU feel about it?" There are some things some people just won't do and that is between them and themselves.
For myself if there is something I'm not sure about I always ask myself what I would do if xx found out I'd done this? If my answer is find myself a deep cave and crawl in, I don't do it. If I answer, they'll just have to get over it, I go for it.
If you are simply afraid, join the crowd, you're in good company. Doing whatever scares the crap out of you is a real rush you may not want to miss
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Let us know how you decide and post a url--striclty for us to give our expert advice and encouragment, of course