postfix warning: 127.0.0.1: hostname localhost verification failed: Name or service not known

Say, Centos 5.4 server.
How can I solve this?
shaunwinginAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

lanboyoCommented:
Put this in main.cf

smtp_host_lookup = native,dns
0
lanboyoCommented:
Or make sure that the chroot jail environment has DNS if you are running chroot.
0
Monis MontherSystem ArchitectCommented:
under mian.cf

change

inet_interfaces = localhost

to

inet_interfaces = 127.0.0.1

or to what ever you have 127.0.0.1 resolve under /etc/hosts

0
shaunwinginAuthor Commented:
I think I solved it by adding localhost to hosts table.
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Linux

From novice to tech pro — start learning today.