We are using Exchange and a static IP to receive and send email. All was
working fine until we upgraded our SBS server from version 4.5 to 2000.
Inbound email is working properly but we are failing to send outbound email
to some, but not all, addresses. Our configuration is using DNS for address
resolution and is pointed to the DNS at our local ISP. The failures appear
sucessfully send email to others.
Any help would be greatly appreciated.