I'm having a strange problem. We use Exchange 5.5. We can receive and send emails from/to everyone except any address in one particular organization. I have talked to their networking ppl and they keep saying they can send and receive to/from everyone except us and it must be our problem. I have no idea why our email would be working with everyone except this one particular place. Any ideas?
Thankyou in advance.
Thankyou in advance.