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Weird Exchange2003 +MX Record Issues

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Weird Exchange2003 +MX Record Issues - 19.Feb.2004 5:03:00 PM

adam1982

Posts: 22
Joined: 13.Jan.2003
From: australia
Status: offline

Hi All,

Just installed Win2003 server and exchange 2003 server, all's running well and good except for a small issue. When email gets sent to users from certain domains the person sending the email gets it bounced back with something like this:

This message was created automatically by mail delivery software (Exim).

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

user@mydomain.com
all relevant MX records point to non-existent hosts:
it appears that the DNS operator for this domain has installed an invalid MX record with an IP address instead of a domain name on the right hand side

------ This is a copy of the message, including all the headers. ------

So far its been happening from two different domains. one of them is a school (edu) domain and the other is some company in the USA.

Does anyone have any suggestions? Email seems to be working from everywere else including yahoo.com, hotmail.com, my work, and quite a few others?

Any ideas?

Thanks
Adam