Hi all Zimbras!
Im going to install a 8.8 on a Ubuntu 18.
First google-hit was this tutorial:
https://computingforgeeks.com/how-to-in ... 18-04-lts/
States I need a DNS-server.
Checking docs and searching forum:
Saying: "Depending on how the firewall and network are configured, the external address may not even be reachable from the mail host, and mail will not be delivered. "
In my case I have a FW and external ip and a local-ip for the mailserver.
My external ip-address for the server are accessable by the server.
I dont care about performance since it is just a handfull of domains.
Question 1: can I install WITHOUT a split-dns, and use my external DNS?
Question 2: is the issue with dns-record a "binary"-problem or can it work sometimes and sometimes not?
Thanks a lot in advance.
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