Hiya,
I have a big problem with a Exchange configuration. Server is a Windows 2000 server with SP4 and Exchange 2000 server with SP3 + SP3 Post september 2003. After applying these Service packs the trouble started. DNS correctly gets all mx records for email directed to the outside world.
Problem:
For a customer where i have to deliver email there are 3 mx records available, namely (fiction)
mail.customer.nl 10 mx preference (unreachable)
fallback.customer.nl 20 mx preference (unreachable)
relay1.isp.nl 100 mx preference
(active)
Exchange tries to deliver to the first 2 adresses and then stops. It doesnt deliver to the relay server.
I have the same problem with other adresses where the first is their own mailserver and second or third is a relay server with an provider.
If the first or second mx record is up there are no problems with mail delivery.
The problem is if their are more then 1 MX record and the 1 or second mx record