📧 Email

Use the interactive kwatch manager to configure Email alerts. It stores credentials in Kubernetes Secrets and verifies the installation. The configuration fragments below explain provider settings; they are not separate installation steps.

Sends alerts via SMTP. Uses HTML formatting for rich email content.

Parameter	Description	Required
alert.email.from	📧 Sender email address	Yes
alert.email.to	📧 Recipient email address	Yes
alert.email.password	🔑 SMTP password or app password	Yes
alert.email.host	🖥️ SMTP server hostname	Yes
alert.email.port	🔌 SMTP server port (e.g. 587)	Yes

Configuration example

alert:
  email:
    from: "[email protected]"
    to: "[email protected]"
    password: "${file:/config/email-password}"
    host: "smtp.gmail.com"
    port: "587"

Routing

alert:
  email:
    from: "[email protected]"
    to: "[email protected]"
    password: "${file:/config/email-password}"
    host: "smtp.gmail.com"
    port: "587"
    routes:
      - namespaces: ["production"]
        severities: ["high", "critical"]
      - reasons: ["OOMKilled"]

Retry

alert:
  email:
    from: "[email protected]"
    to: "[email protected]"
    password: "${file:/config/email-password}"
    host: "smtp.gmail.com"
    port: "587"
    retry:
      maxAttempts: 5
      delay: 5s

Fallback

alert:
  email:
    from: "[email protected]"
    to: "[email protected]"
    password: "${file:/config/email-password}"
    host: "smtp.gmail.com"
    port: "587"
    fallback: slack