Question : Exchange 2007 error 550

We have purchased a secondary domain it is being hosted by GoDaddy.  Our primary domain is hosted by network solutions.  I have the mx record for pointing to which is the main MX record for the company.  When I try to send an email to an email address on from the inside our exchange environment it does work.  The barracuda does see the email coming in and it claims it has delivered the email.  From the we can also send email both internally and externally.

<[email protected]>: host[] said: 550 5.7.1 Unable to
   relay (in reply to RCPT TO command)

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Spam-&-Virus-Firewall; host[] said: 550
   5.7.1 Unable to relay (in reply to RCPT TO command)

Answer : Exchange 2007 error 550

you would need to configure your exchange to allow the emails for the second domain.

Take help from the article below:

I hope that would help.

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