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Trying to get mail working on a Linux machine

 
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Top Forums UNIX for Dummies Questions & Answers Trying to get mail working on a Linux machine
# 1  
Old 02-26-2009
Trying to get mail working on a Linux machine
I tried using the mail command on one of our Linux machines to send email, and it works fine. I tried using the same command on another one of our Linux machines, and it didn't work (no error message was returned either).

The machine that works has the following version information:
Code:
esgbuild@bbox003:/etc$ cat /proc/version
Linux version 2.6.12 (root@Knoppix) (gcc-Version 3.3.6 (Debian 1:3.3.6-7)) #2 SMP Tue Aug 9 23:20:52 CEST 2005
esgbuild@bbox003:/etc$ uname -a
Linux bbox003 2.6.12 #2 SMP Tue Aug 9 23:20:52 CEST 2005 i686 GNU/Linux

The machine that does not work has the following version information:
Code:
root@masterd:/opt/automate# cat /proc/version
Linux version 2.6.18-6-686 (Debian 2.6.18.dfsg.1-23etch1) (dannf@debian.org) (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) #1 SMP Fri Dec 12 16:48:28 UTC 2008
root@masterd:/opt/automate# uname -a
Linux masterd 2.6.18-6-686 #1 SMP Fri Dec 12 16:48:28 UTC 2008 i686 GNU/Linux

Can anyone tell me where I might look to see why the one machine can't send email? What configuration files I might want to look at? Thanks.
# 2  
Old 02-26-2009
Did you configure the DS record (your smtp server) in the sendmail.cf file? If you received no error, your mail is likely in the /var/spool/mqueue directory waiting to be routed off the host.

You can also use the -d option when using the mail command to get more information about what is happening.

EDIT: A couple typos
Padow
# 3  
Old 02-26-2009
I did find / -name "sendmail.cf" on both machines, and it does not exist on either machine.

Also, neither machine has a /var/spool/mqueue directory. But they do have a /var/log/mail directory. And in the /var/log/mail directory of the machine that can't send emails, there is a file containing all the failed emails. Here is one of the failed emails I tried sending today:

Code:
From MAILER-DAEMON Thu Feb 26 12:54:53 2009
Return-path: <>
Envelope-to: root@masterd.mydomain.com
Delivery-date: Thu, 26 Feb 2009 12:54:53 -0500
Received: from Debian-exim by masterd.mydomain.com with local (Exim 4.63)
        id 1LckRh-0008OF-5U
        for root@masterd.mydomain.com; Thu, 26 Feb 2009 12:54:53 -0500
X-Failed-Recipients: myname@mydomaingroup.com
Auto-Submitted: auto-replied
From: Mail Delivery System <Mailer-Daemon@masterd.mydomain.com>
To: root@masterd.mydomain.com
Subject: Mail delivery failed: returning message to sender
Message-Id: <E1LckRh-0008OF-5U@masterd.mydomain.com>
Date: Thu, 26 Feb 2009 12:54:53 -0500

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  myname@mydomaingroup.com
    SMTP error from remote mail server after RCPT TO:<myname@mydomaingroup.com>:
    host mail.mydomaingroup.com [10.17.1.73]: 550 5.7.1 Unable to relay for myname@mydomaingroup.com

------ This is a copy of the message, including all the headers. ------

Return-path: <root@masterd.mydomain.com>
Received: from root by masterd.mydomain.com with local (Exim 4.63)
        (envelope-from <root@masterd.mydomain.com>)
        id 1LckRg-0008OC-TE
        for myname@mydomaingroup.com; Thu, 26 Feb 2009 12:54:52 -0500
To: myname@mydomaingroup.com
Subject: test
Message-Id: <E1LckRg-0008OC-TE@masterd.mydomain.com>
From: root <root@masterd.mydomain.com>
Date: Thu, 26 Feb 2009 12:54:52 -0500

hello

Looks like it is trying to use the mail server mail.mydomaingroup.com, and maybe that's the wrong one. I think we had a similar problem with another one of our machines (but the guy who fixed it is on vacation now). Is there a file somewhere that tells the mail command which mail server to use?
 
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