On Wed, 27 Jul 1994 18:36:02 +0200 Anita Cohen-Williams said:
>Has there been an answer to the question of how to get the # of recipients
>when a message is sent? I would like to have this flashed for the HISTARCH
>list.
 
Yes, Eric answered that the sender is notified when their message gets
distributed if the Ack header field is set.  However, to answer your question,
no, there is no way to have LISTSERV automatically tack on this information
to every outgoing post.