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Mail Alerter extension (Tips & tricks)

by acaballero @, Friday, November 13, 2015, 16:34 (1463 days ago)
edited by acaballero, Friday, November 13, 2015, 17:30

The Mail Alerter extension is a simple plugin that sends emails when nodes get a "warning" or "critical" state.

Requirements

Installation

Configuration

After installing the extension, you'll notice two icons on the sidebar:
[image]

When hitting the configuration icon, the dialog will pop up and allow you to enter all details needed to work.

Basic settings

[image]

First you need to specify if you're going to use a local server (thus, you have an SMTP daemon with unrestricted access from localhost) or an SMTP Gateway.

The de facto setting you should use is the second: an external server. You'll have to provide the hostname, TCP port, user name, password and encryption type.

If you're going to use TLS or SSL, you must make sure that:

Also you need to specify the sender email in the "Send mail as" field.

Additional settings

[image]

You can send a test email using the "Testing account" field to see if emails are being relayed. Just specify an email address and hit the "Send test e-mail" button.

The "Root" account is the email address that will receive notifications. If you want specific groups to send emails to a different email address, you could do it afterwards.

The Mail Delivery Triggers define the behavior of the extension listener.

A recommended setting for triggering alerts could be: 3 failures and notify every 10 minutes.

Per Group alerts

[image]

When you edit a group, you'll be able to specify an email recipient other than the "root" one specified on the extension configuration. You can set a different recipient for every group on the dashboard, and those groups with no recipient defined will be notified to the "root" account.



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