Hey,
I need help urgently,
I have my Centos-box in LAN and i am new to Linux env.
Mails don't work on this machine.
Could some one help me so that i can send and receive mail on my centos-box.

I need the steps to setup configuration files for mail.

Thanks,
Nitin Kumar

First of all, what do you mean by mail, are you talking about a email client to access your emails on an email server, or our you talking about an email server itself. If you are talking about a server then we need to know what MTA you want to use, eg. sendmail, qmail etc. What sort of email accounts do you need POP3, IMAP.

Do you have a registered domain name with a domain registrar, without a full y qualified domain name, you want be able to send or receive mail. You have asked a rather vague questions that is not easy to answer, if you can give some more information on what you are trying to achieve, it will be easier for someone to help.

Thanks,

I want to use sendmail + IMAP
and if i put the command as
df -h | mail "kumars.nitin123@gmail.com"
then kumars.nitin123@gmail.com should receive mail from root@computer.mydomain.com

But, I find the following logs in maillog:
Nov 5 11:07:12 computer sm-msp-queue[4178]: nA5G7AF5004178: to=postmaster, delay=00:00:00, xdelay=00:00:00, mailer=relay, pr
i=37296, relay=[127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]
Nov 5 11:45:55 computer sendmail[4789]: nA5Gjtjp004789: from=root, size=337, class=0, nrcpts=1, msgid=<200911051645.nA5Gjtjp
004789@computer.mydomain.com>, relay=root@localhost
Nov 5 11:45:55 computer sendmail[4789]: nA5Gjtjp004789: to=kumars.nitin123@gmail.com, ctladdr=root (0/0), delay=00:00:00, xdelay
=00:00:00, mailer=relay, pri=30337, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1
]

I have my domain registered and need configuration on my computer only.