On Wed, 8 Nov 2000 [log in to unmask] wrote:
>   I have a problem I haven't experienced in 3 years of managing a list of
> >2500 subscribers.  On the daily error report there is an email address with
> a zillion errors reported.  It is not subscribed to the list and we receive
> no messages bounced from it.  It is apparently an address that is being
> forwarded to from the subscribed address, but without the bounced message we
> have no header to figure out what the subscribed address is.  I have written
> to the postmaster there and received no response.  Any suggestions?  Thank
> you.

Yup. Set up your list for passive probing and auto deletion. This
should help you track down the faulty subscription address.