Forum OpenACS Q&A: Response to Email alerts grouped by topic

I am interested in this and wonder if the unification ONLY
needs better integration with a mail program.  I've assumed
that qmail is the best in this regard.  So you have the bboard
with messages in the database.  You use a qmail interface
to allow posting new messages to a bboard/topic and replying
to messages via email that get dumped into the database.