Nagios core not sending notification emails

[mrkrupp]

This is what I got when I tried the test:

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Jun  1 14:34:35 bauspap218 postfix/pickup[26839]: 69D3F8185F3D: uid=0 from=<root>
Jun  1 14:34:35 bauspap218 postfix/cleanup[28223]: 69D3F8185F3D: message-id=<[email protected]>
Jun  1 14:34:35 bauspap218 postfix/qmgr[26840]: 69D3F8185F3D: from=<[email protected]>, size=456, nrcpt=1 (queue active)

I did not receive email.

[tgriep]

Can you run this command to see if there are any messages in the mail queue on the nagios server?

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mailq

If there are a lot of messages in the queue, it could take a while.
Also, could your ISP be blocking your emails?

[mrkrupp]

nothing from nagios is in the mailq. I do not think it is my ISP, as it was all working before. I think this stopped working when I added a GUI to the system via the "Server with GUI" package from RHEL. It may have altered some of my settings from whatever installed with the package.

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[root@bauspap218 etc]# mailq
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
69D3F8185F3D      456 Wed Jun  1 14:34:35  [email protected]
(Host or domain name not found. Name service error for name=bam.com type=MX: Host not found, try again)
                                         [email protected]

[Box293]

You will need to contact RHEL for support on resolving your networking issue. Some of the basic commands we've asked you to run indicate that it's nothing to do with Nagios.

[mrkrupp]

Is there a simple way to have nagios send a test email message? I think I figured it out I disabled one of the services and my test emails go through.

[Box293]

In the web interface, go to a host or service object.
Under commands click "Send custom (host/service) Notification"