CentOS 7
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Zabbix 4.0 : Notification email setting
2018/10/11
 
Many items are configured on the defaults' template but it's not set to send notifications by default, so set it like follows.
[1]
[2] Login to Zabbix admin site with admin user and move to [Configuration] - [Actions] tab. An action which notifications are sent is defined by default like follows, so click [Disabled] to turn [Enabled].
[3] Notifications are enabled. Default recipients is just the Zabbix admin group.
[4] If a value is over from a value set as a threshold, a notification is sent like following example.
From root@localhost.srv.world  Tue Oct  9 19:20:22 2018
Return-Path: <root@localhost.srv.world>
X-Original-To: root@dlp.srv.world
Delivered-To: root@dlp.srv.world
From: <root@localhost.srv.world>
To: <root@dlp.srv.world>
Date: Tue, 09 Oct 2018 19:20:22 +0900
Subject: Problem: Zabbix agent on Zabbix server is unreachable for 5 minutes
Content-Type: text/plain; charset="UTF-8"
Status: R

Problem started at 19:20:21 on 2018.10.09
Problem name: Zabbix agent on Zabbix server is unreachable for 5 minutes
Host: Zabbix server
Severity: Average

Original problem ID: 29
[5] To click the action name, it can see details.
[6] It's possible to edit notification messages on [Operations] tab.
[7] It's possible to edit recovery messages on [Recovery Operations] tab.
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