Here's another option:
TheMovieDB.org (TMDb) has reopened its forums for
all shows, movies, and people in its database.
Here's their
Enterprise
page:
https://www.themoviedb.org/tv/314-star-trek-enterprise
and here's their board for this show:
https://www.themoviedb.org/tv/314-star-trek-enterprise/discuss
(currently empty, waiting for posts)
Recent posts from their other boards can be seen here:
https://www.themoviedb.org/discuss
Support discussions are here:
https://www.themoviedb.org/talk