>I also liked a way of knowing the credentials of the person responding, but
>this could easily be done with something in the signature block by each person
>if they so desire.

That's actually the way I would have preferred it back when the blue envelopes were begun. I _think_ I'm glad it's back this way, but I'm not sure -- as Melissa said, it's a handy way to tell who knows their stuff. Allegedly, in my care... :-)