Currently ussing a single domain on exchange 2010, recenlty we have registered another domain name, and i need to put that new domain name in exchange 2010, just wonder where i can create the new domain in exchange 2010, MX records has been created for the new domain name in NS server, i could nslookup it, when i try to sent mail to the new created domain mail box i received "Delivery Failure Report " 554 5.7.1 <email@example.com>: Relay access denied" , is the step i have done below is correct ?
i have added the new registered domain in below
1. organization configuration -> Hub Transport -> Accepted domain
2. create a new mailbox for the new domain
3. from the user mailbox -> property -> E-Mail Addresses -> Add -> enter the new domain mail address