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Godaddy paid hosting allows it. I asked the question specifically to them.
Don't know if I can actually recommend them, but they do allow it.
Reaching an audience is the real trick, for that I think Literotica and similar sites are really the best bet. The infrastructure helps people find the good stories with the subject matter they want, and Literotica specifically IIRC has the highest traffic rating that I've seen among the various alternatives.