The Alt Sex Stories Text Repository at https://www.asstr.org/ started as a collection of stories posted to the usenet group alt.sex.stories, but broadened to host text erotica from anywhere. It, includes both web and FTP access. Some authors have set up mini-web-sites within ASSTR.
Note, the home page includes a NSFW image.
I'm assuming that your question is about publishing your entire manuscript, not just a chapter or two. In that case, I agree with those who recommend a Beta reader. If you're seeking feedback on just certain parts of your book, there are forums which are not accessible to people who are not members of the forum, so it's unlikely an editor would even know you ...
Have a look at the standard and co-publishing contract options available across John Hunt Publishing's large array of imprints.
I've published with them and worked with them for a while before moving on. They do what they say they will do. And the rights deals are comparatively favourable.
There's a lot of useful ...