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Originally Posted by joeleo  One thing I wanted to confirm about the DNS setup is this. This article seems to imply that DNS (BIND) is to be installed and running on the same box that Zimbra is installed on. For me, I have my DNS running on separate box, therefore, don't need to install BIND9. All that would be needed is to config /etc/resolv.conf on the Zimbra box to point to your internal DNS (nameservers). |
You're right, Joe. If you have a separate DNS that Zimbra can resolve properly to find what it needs to find (it's own identity and mx records), then you have what you need. The reason I installed Bind on my server was because the Zimbra box lives on a DMZ, and its public IP address is achieved by DNAT/SNAT in my firewall. So the public ip is actually an ip that doesn't correspond to Zimbra's internal hardware at all. Therefore, I have one set of mx records that the Zimbra box can resolve (hosted by that box in bind9) and a separate set of records you'd find if you were to look up my domain from out in the world. This is necessary, because otherwise Zimbra can't send mail to itself.
But whether that internal resolution is effected right on the Zimbra box or somewhere else on your LAN/DMZ is immaterial, as long as you can correctly resolve the address.
Cheers,
Dan