> As I recall, there are some also pathalogical cases involving the D.E.M.:
> subscriber is auto-unsubscribed, but bounces continue to be monitored
> because the delivery of previously generated list traffic is in-progress.
>
> Sometimes the original problem is cleared up, but the in-progress messages
> are going to continue to bounce.  User resubscribes but the
> auto-unsubscribe counting is still taking place for those old in-progress
> messages.

Sure, but when the error count is 371 and the threshold is 50 (a recent
case I had), I feel safe in presuming it's not just messages already in
the queue.  Also, the Error Monitor Report notifies you when someone is
automatically deleted because of errors.