Hi. Some help on this would be great.
I have an Exchange 2003 server set up to deliver email through a SmartHost (which is my ISP's mail server). This setup is working fine with no problems. However there are two external domains that anyone on my network can't send emails to for some reason. However we can send emails to those domains using Hotmail.
I get the following error message bounce back to me straight away:
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Your message did not reach some or all of the intended recipients.
Subject: test
Sent: 2/07/2008 9:45 AM
The following recipient(s) cannot be reached:
dan@domainname.com.au on 2/07/2008 9:45 AM
The message cannot be delivered due to a configuration error on the server. Please contact your Administrator.
<SERVER.mydomain.local #5.3.0 smtp;553 5.3.0 <dan@domainname.com.au>...
No such user>
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Any tips on how to troubleshoot this?
Thanks for you advice.
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