Problem with email notifications in Nagios server

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admincauce
Posts: 34
Joined: Wed Sep 19, 2018 3:20 am

Problem with email notifications in Nagios server

Post by admincauce »

Good Morning,

I have a problem setting up email notifications that my nagios has to send.

I currently have this implementation:

- A CentOS server with Nagios 4 configured. The "postfix" service has been installed on this nagios server and has been configured to use another relay server that I have on another machine.
Within the Nagios postfix configuration, I have only configured the relay_host line to point to my relay server.
- Relay server configured in another machine.

I have tested mailings from the nagios server pointing against the relay server with the following command:

swaks --to user@mydomain.com --server gesmai00.hosting.local

And I see that the test comes correctly.

Postfix service is up.

What can happen so that email notifications do not work correctly?

Thank you very much in advance.
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tgriep
Madmin
Posts: 9177
Joined: Thu Oct 30, 2014 9:02 am

Re: Problem with email notifications in Nagios server

Post by tgriep »

Can you post your settings that you added for the relay server in the Postfix daemon's config file?
When an Notification is generated, do you see an error in the /var/log/maillog file?
If so, can you post the errors?
In the GUI, do you see the server trying to send the Notifications?
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