> A subscriber on one of our lists recently sent a couple of postings to the
> list and received two ACK messages back that have very different counts on
> the number of recepients.  These numbers also differ quit a bit from the
> actual number of concealed/non-concealed subscribers.  Any thoughts on why
> these numbers vary so much?
>
>
> Date:         Wed, 12 May 1999 23:27:05 -0500
> Your message dated Wed, 12 May 1999 23:17:03 -0500 with subject "Re: CHAT:
> Born to copyedit?" has been  successfully distributed to the COPYEDITING-L
> list (1094 recipients).
>
> Date:         Thu, 13 May 1999 00:53:54 -0500
> Your message dated Thu, 13 May 1999 00:53:53 -0500 with subject "USAGE: One
> space or two"  has been successfully distributed to  the COPYEDITING-L list
> (1137 recipients).
>
>
> * Total number of "concealed" subscribers: 25
> * Total number of users subscribed to the list: 1464 (non-"concealed" only)
> * Total number of local host users on the list: 0 (non-"concealed" only)

The message subjects suggest that topics may be in use on the list.  Those
who are not subscribed to the topic don't get the message and are therefore
not counted.  Also, those subscribers with NOMAIL, DIGEST, or INDEX set won't
be counted.