I tried setting up IMAP on my exchange server 2003
I have on the exchange server two SMTP virtual server
Default SMTP virtual server
My inbound is working but the outbound is giving me an error
You do not have permission to send to this recipient. For assistance, contact your system administrator.
<webmail.mycompany.com #5.7.1 smtp;550 5.7.1 Message rejected (no valid recipients).>
Both services are working