very interested.
Well, the feature I need is simpler. I wish to forward all emails I received to one BBS board.
People in my group are costumed to use mailing list, so to transfer them to a forum, we need a transition period.
If we could forward every post, from a normal subscriber of a mailing list, to a board of SMF would be great, since then people won't need to receive unwanted emails everyday.
And we don't need to tell users the email address we use for the subscription of the mailing list, so there's no spam-issue here.