No. You won't need split DNS unless Postfix(with private IP) is delevering mails to other internal MTA(with private IP) for which MX records points to public IP. And from the perspective of Postfix split DNS is nothing but a DNS server running with customized DNS zones on internal network.
On Thu, Dec 12, 2013 at 9:19 PM, Jason T. Slack-Moehrle < slackmoeh...@gmail.com> wrote: > > I am building a new CentOS 6.5 server. In the past I have just used Zimbra for ease. Not, since I am behind a pfsense box that does some IP mapping Zimbra requires a "split-dns" setup. > > I thought that it might be time to cum out Zimbra and just use Postfix, Dovecot, etc. I gound a great tutorial. > > So I have 5 statics and the pfSense box answers to all and forwards the traffic to the correct box that has a private IP. > > In this case, xx.xx.xx.27 -> 192.168.1.27 > > 192.168.1.27 is the IP address of the mail server. > > Am I going to still need this same "split-dns" setup? I cannot decide if it is something Zimbra needs or something I would need in any setup... > > Jason >
