Set alert rules and notifications by email to Grafana (v1.0)
Tested on Ubutnu 20.04, Grafana 7.4.3, Pormetheus 2.15.2

  • Grafana installed and running
  • Prometheus installed and running as service
  • E-mail account

Set Email notifications

  1. Enable SMTP configuration in grafana.ini
    sudo cp /etc/grafana/grafana.ini /etc/grafana/grafana.ini_backup
    sudo nano /etc/grafana/grafana.ini

    Scroll down to SMTP section and set those variables.
    enabled = true
    host =
    user =
    password = < YOUR EMAIL PASSWORD >
    skip_verify = false
    from_address =
    from_name = Grafana - LvLUp alert

    Restart Grafana
    sudo systemctl restart grafana-server.service

  2. On your Grafana instance, create a new notification channel.

    Click on New channel

  3. Add a channel name, choose type Email and add email addresses you want to receive notifications. Before saving, test your new channel.

  4. Check your Email, you should have received a notification test.

    If the test fail, go back and check your configuration file grafana.ini.

  5. You can now add an Alert rule to a panel.
    Alert rules are not available for all types of panels, panel with query like node_load can.

  6. Set condition to 90% and add your Email notification channel. On this panel, notifications will be sent every time CPU load goes above 90%.

    Click on Save button.

  7. When you see a green heart, that means your alert rule conditions are met. If not, you will receive notification by email and you will see a broken red heart.

  8. You can add the plugin Grafana-image-render if you want to see a nice graph in notifications.
    sudo grafana-cli plugins install grafana-image-renderer

    If you want to know more about alert rules, you can browse the official Grafana documentation.

@ Level Up! 2022