<DouglasGWalker@discussions.microsoft.com> wrote:

>I have a win2003 server configured to deliver mail addressed to our domain to
>an Exchange 2003 server. All other email goes out to the rest of the world.
>
>Everything works fine but at least once a day (or more) mail destined for
>Exchange backs up in the queue. Mail to the rest of the world is slowed
>(because the queue is backed up) but it does go out.
>
>If I change the DNS servers in TCP/IP settings on the NIC mail to Exchange
>starts to flow immediately. That's all I have to do ... change the DNS
>server entries in TCP/IP.

"Jeff Cochran" wrote:
>
> Check the logs.
>
> Jeff