[CentOS] Linux hosts file /etc/hosts
Jonathan Vomacka
juvix88 at gmail.comTue Nov 8 17:23:47 UTC 2011
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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?
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