550 5.7.1 Unable to Relay Mail From Exchange Server
Open the “New SMTP Receive Connector wizard”
Click Properties of Connectors,
Click Permissions, and others,
Select annonymous
Save
After open terminal write this TESTED !!!
[crayon-6684a698ef179170411086/]
OUTPUT
[crayon-6684a698ef17f890040739/]
You need to do this for all of connectors, PORT 25 and 587