[Bug 948320] Re: main.cf should not refer to localhost

I'm in agreement with Scott; if your system can't resolve 'localhost' then its probably going to have a number of other issues as well. The Ubuntu Server guide has some helpful advice on network configuration that might help you out:

[Bug 948320] Re: main.cf should not refer to localhost

I'm in agreement with Scott; if your system can't resolve 'localhost' then its probably going to have a number of other issues as well. The Ubuntu Server guide has some helpful advice on network configuration that might help you out: