I have setup an exchange 2013 server and so far it is up and running. I can access OWA and al the server side of things looks good but I do not understand how to setup the DNS settings. I have a IP for the exchange box alone and an A record of mail.example.com to the IP also MX Records pointing to mail.example.com.
The parts that is eluding me is who to configure the DNS within exchange. I have a DC running DNS internally and use both a External DNS from my ISP and OpenDNS.
Do I need to contact my ISP to setup a PTR? or what would they need to do?
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