Great explanation Pete and Douglas!  This confused me alot!
Val
(going nomail)
On Fri, 2004-11-26 at 14:12, Winship wrote:
> In addition to Pete Weiss' observation that you have set a 16 day delay on
> automatic deletions, I will suggest that those singleton items, for no
> subscribed address, are listname-request, or "you are not allowed to post
> or "your posting has been forwarded to the moderator" type errors.  That is
> someone, who is not subscribed, sends something to the list or to
> listname-request, which generates an auto-reponse. The auto-response cannot
> be delivered so you get an error message.  Not infrequently these are spam
> items.  I get a lot of these every day of the week.
>
> Douglas Winship  [log in to unmask]