Same thing is happening to me.  I assume that one of my subscribers
has forwarded mail to an account that no longer exists.  So the
account that bounces is not subscribed, but that account that is
forwarding mail to it is.  How to determine which subscribed account
is responsible for this is the challenge.  If you had an actual
bounced message you probably could do it, but you don't.

Dennis

On Mon, 2 Feb 2004, Ahern, Shannon wrote:

> Hi-
>
> I am getting Daily Error Monitoring Reports that contain references to
> accounts the do not even exist on the list. These are private,
> approval-only lists that require domain authentication for website
> access (and are SSL). I cannot understand why I would get monitoring
> reports for accounts not actually subscribed.
>
> I know that the spam-generating viruses going around can fake mail from
> any accounts, so when I see that stuff, I know it isn't real. But how on
> earth can anything make my listserv ping or probe a non-subscribed
> account and then send me a report of the results? I am baffled. This
> person is not a subscriber - how can they be monitored?
>
> Here's one of the reports:
>
>
> The following 1 subscriber is currently being monitored:
>
> Err First Last  Address
> --- ----- ----- -------
>   1 01/30 01/30 [log in to unmask]
>                 Last error: SMTP; 550 5.1.1 unknown or illegal alias:
>                             [log in to unmask]
>
>
>
> TIA for any insight!
>
> Shannon
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Shannon Ahern
> DevelopMentor
> Website Project Manager
> 310-543-1716
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Malum consilium quod mutari non potest.
> It is a bad plan that cannot be changed.
>
>