HELP! I have Windows Server 2003 and Exchange 2003. My internal domain is “ABC.local” however my external domain is “mydomain.biz”. We can receive all external email however it seems that when we send mail externally, and other companies do a reverse DNS lookup, they can’t resolve our server (which appears in the email header as “myserver.abc.local”. I purchased a DYNDNS account and set it up properly but it doesn’t seem to resolve this issue. Has anyone had this problem before?
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Can't get exchange to send external email (DNS Lookup)