How to relay external email when going through a CName record.
I have an application that is trying to send external emails through our Exchange 2007 server. When I enter the IP of the Exchange server in the application it works. However, when I enter in the CName record (alias record) of emailrelay.domain.local it does not work. If I use the cname to only send internal email it will work. I am using a domain user to authenticate. Any ideas?
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