On Sat, 30 Oct 1999 01:26:54 -0500, Winship <[log in to unmask]> wrote:

>Got a subscriber who can't do anything as her system keeps sending back to
>her errors, [log in to unmask] unknown host/domain.
>
>Her computer folk are at a loss as to why this happens.  I have suggested
>to her that perhaps a "connection refused" (she always sends her stuff at
>8 am her time which is 10 am Buffalo time) is being misinterpreted as
>unknown host/domain.

It's a problem with the DNS service at her service provider.  That is what is
saying 'unknown host'.  Since other places that look it up are receiving a
correct answer and being able to properly deliver mail, it must be local to her
and/or her service provider.