HT5697 How do i configure os x server wiki to use the external web server?

Question

I have a Mac mini Server with OS X 10.10 and Server 4.0 running in a DMZ behind a firewall. The firewall passes a select few ports through to this server, exposing services to the Internet.
I use two domains, one dummy domain only available on my local networks, and one proper domain available globally. Lets call them «example.lan» and «example.com». These domains are not hosted on the Mac mini, btw.
In the external domain, I have «server.example.com» registered on my firewalls official IP address.
In my internal domain, I have «server.example.lan» registered to my Mac mini internal (rfc1918) IP address.
Server 4.0 -> Websites seem to work as expected. I have three servers configured: «Server Website - All IP addresses», port 80 + 443. These serve the local networks. Then there is «server.example.com», port 443, serving the internet.
Now to my question: How to I control which of these websites we Wiki uses?
When I activate the Wiki, it is published on «server.example.lan/wiki», which seems rather pointless. In order for the wiki to be available to the internet, it needs to be published on «server.example.com/wiki», but I see no way of doing this. What am I missing here?
Regards,
Gakke

Answer 1

it does look like you can add virtual domains in the GUI of Server.app on at least some versions, but I don't have an OS X Server 10.8 version handy to check.
I'd encourage spending some time to learn the command line.  In general, the payoff for learning the command line will be worth the effort expended.  You're running a mail server here and sooner or later the capabilities of the GUI will fail you.  This whether due to a configuration omission in the GUI itself, or due to the need to troubleshoot a malfunctioning mail server, a need to automate one or more of the Postfix-related sequences, or some other IT-related task.  Entirely FWIW, of course.
Here's a cut-and-paste of the sequence just used to test the command line access to the Postfix configuration, first fetching the current value, appending example.com as the second domain, then displaying the new value, then restarting the Postfix server.  Don't enter the dollar signs; just the postconf command and following.  Adjust example.com to match your domain...
$ postconf mydestination
mydestination = $myhostname, localhost.$mydomain, localhost
$ sudo postconf -e 'mydestination = $myhostname, localhost.$mydomain, localhost, example.com'
Password: {your admin password here}
$ postconf mydestination
mydestination = $myhostname, localhost.$mydomain, localhost, example.com
$ sudo postfix reload
The Postfix and Postconf commands work irrespective of the OS X Server version; the tools reference the data files as needed.