Am 08.11.2011 18:23, schrieb Jonathan Vomacka: > Good afternoon Gentlemen, > > I have a question regarding /etc/hosts for CentOS 6 x64. I already have > a hostname set on my server, however there are 10 additional IP aliases > assigned to the box, one which I plan to use as a mail server. The mail > server will be serving mail for a completely different domain (different > then the default hostname of my box). My question is this: If I take one > of my additional IP addresses and bind it to postfix for mail, do I also > have to specify the remote IP and mail server hostname in /etc/hosts? > > For example my hosts looks something like this > 127.0.0.1 localhost > > Can I add? > 66.x.x.x mail.foo.bar > > Is this even necessary?
not if your dns-servers on LAN and WAN are configured right and if this is not the case you must not run a public mailserver
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