e-mail notifications not being sent
Kaplan, Andrew H.
AHKAPLAN at PARTNERS.ORG
Mon Nov 21 22:17:20 CET 2011
Hi there --
I checked the nagios.log file, and the problem was due to the mail binary not
being at the /bin folder. I created a symbolic link
at that location to point to the /usr/bin/mail binary. Once that was done,
notifications were sent to the recipient.
As a follow-up, the address of the Nagios server is shown to be
nagios at localdomain. I would like to change that to reflect the
name of the server. What file(s) do I need to modify in order to make that
happen?
Thanks.
________________________________
From: Claudio Kuenzler [mailto:ck at claudiokuenzler.com]
Sent: Monday, November 21, 2011 3:25 PM
To: Nagios Users List
Subject: Re: [Nagios-users] e-mail notifications not being sent
Maybe you have to replace the mail program by something on your system, e.g.
/usr/bin/mailx.
That's always one of the first things I change in a new Nagios installation.
What OS are you using? Try to install the required programs (mail/mailx...) if
they can't be found in your system.
On Mon, Nov 21, 2011 at 8:25 PM, Kaplan, Andrew H. <AHKAPLAN at partners.org>
wrote:
Hi there --
I completed the installation of Nagios 3.3.1, and I am going through the
testing process. The server is able to successfully monitor
our various clients, but e-mail notifications for critical conditions
are not being sent to the intended recipient. The e-mail server that
is on the Nagios server is the Postfix message transfer agent.
The troubleshooting steps that I have taken so far are the following:
1. I have been able to send a test e-mail from the Nagios server to the
intended recipient using two different mail commands. The test
e-mail was done from the command line using the mail and mailx
commands using the command syntax:
mail <e-mail address> < /etc/fstab
mailx -s "test" <e-mail address> < /etc/fstab
2. I checked the contacts.cfg file, and confirmed the intended recipient
is listed with the correct address.
3. I checked the nagios.log, and there were entries that were similar to
the following:
[1321385615] Warning: Attempting to execute the command "/usr/bin/printf
"%b" "***** Nagios 2.6 *****\n\nNotification Type: PROBLEM\nHost: ... Date/Time:
Tue Nov 15 14:33:35 EST 2011\n" |
/bin/mail -...<e-mail address>" resulted in a return code of 127. Make
sure the script or binary you are trying to execute actually exists...
I did a search for the mail binary, and there was none at that location.
To correct the problem, I created a symbolic that pointed to the actual
location of the mail binary which was located at the /usr/bin/ folder.
4. As far as I can tell, all hosts have e-mail notifications enabled on
them.
What other steps do I need to take in order to get e-mail notifications
to work here?
Thanks.
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