I have set this up flawless in our old server (QV 10, Server 2003) but in the new server that we have (QV 11, Server 2008), it's giving me an error.
Transaction failed. The server response was: 5.7.1 <d****d@v**e.com>: Relay access denied
I have enabled already the SMPT Virtual Server. It is running and Relay Restrictions granted the following IP: