How about group email on demand? Setting up a group takes a few seconds, so does exiting or blocking. Ever imagine doing that with yahoo groups? I have some per

How about group email on demand? Setting up a group takes a few seconds, so does exiting or blocking. Ever imagine doing that with yahoo groups? I have some permanent groups but we have created and dropped so many need based groups. No need to accept the group by logging in here and clicking this and so on.