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  1. Documentation / 
  2. Cluster Administration / 
  3. Platform Settings / 
  4. Notification Management / 
  5. Configure Email Notifications

Cluster Administration

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    Configure Email Notifications

    This tutorial demonstrates how to configure a email server and add recipients to receive email notifications of alerting policies.

    Configure the Email Server

    1. Log in to the web console with a user granted the role platform-admin.

    2. Click Platform in the upper-left corner and select Platform Settings.

    3. Navigate to Notification Configuration under Notification Management, and then choose Email.

    4. Under Server Settings, configure your email server by filling in the following fields.

      • SMTP Server Address: The SMTP server address that provides email services. The port is usually 25.
      • Use SSL Secure Connection: SSL can be used to encrypt emails, thereby improving the security of information transmitted by email. Usually you have to configure the certificate for the email server.
      • SMTP Username: The SMTP account.
      • SMTP Password: The SMTP account password.
      • Sender Email Address: The sender's email address.

    5. Click OK.

    Recepient Settings

    Add recipients

    1. Under Recipient Settings, enter a recipient's email address and click Add.

    2. After it is added, the email address of a recipient will be listed under Recipient Settings. You can add up to 50 recipients and all of them will be able to receive email notifications.

    3. To remove a recipient, hover over the email address you want to remove, then click .

    Set notification conditions

    1. Select the checkbox on the left of Notification Conditions to set notification conditions.

      • Label: Name, severity, or monitoring target of an alerting policy. You can select a label or customize a label.
      • Operator: Mapping between the label and the values. The operator includes Includes values, Does not include values, Exists, and Does not exist.
      • Values: Values associated with the label.

        Note

        • Operators Includes values and Does not include values require one or more label values. Use a carriage return to separate values.
        • Operators Exists and Does not exist determine whether a label exists, and do not require a label value.

    2. You can click Add to add notification conditions.

    3. You can click on the right of a notification condition to delete the condition.

    4. After the configurations are complete, you can click Send Test Message for verification.

    5. On the upper-right corner, you can turn on the Disabled toggle to enbale notifications, or turn off the Enabled toggle to diable them.

      Note

      • After the notification conditions are set, the recepients will receive only notifications that meet the conditions.
      • If you change the existing configuration, you must click OK to apply it.

    Receive Email Notifications

    After you configure the email server and add recipients, you need to enable KubeSphere Alerting and create an alerting policy for workloads or nodes. Once it is triggered, all the recipients can receive email notifications.

    Note

    • If you update your email server configuration, KubeSphere will send email notifications based on the latest configuration.
    • By default, KubeSphere sends notifications for the same alert about every 12 hours. The notification repeat interval is mainly controlled by repeat_interval in the Secret alertmanager-main in the project kubesphere-monitoring-system. You can customize the interval as needed.
    • As KubeSphere has built-in alerting policies, if you do not set any customized alerting policies, your recipient can still receive email notifications once a built-in alerting policy is triggered.

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    Thanks for the feedback. If you have a specific question about how to use KubeSphere, ask it on Slack. Open an issue in the GitHub repo if you want to report a problem or suggest an improvement.

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