apiVersion: helm.cattle.io/v1
kind: HelmChart
metadata:
  name: prometheus-blackbox-exporter
  namespace: kube-system
spec:
  chart: prometheus-blackbox-exporter
  repo: https://prometheus-community.github.io/helm-charts
  targetNamespace: monitoring
  createNamespace: true
  valuesContent: |-
    config:
      modules:
        proton_smtp_auth:
          prober: tcp
          timeout: 10s
          tcp:
            query_response:
              - expect: "^220"
              - send: "EHLO blackbox\r\n"
              - expect: "^250"
              # --- Remove these 3 lines if Bridge Connection Mode is "None" ---
              - send: "STARTTLS\r\n"
              - expect: "^220"
              - starttls: true
              # ----------------------------------------------------------------
              - send: "EHLO blackbox\r\n"
              - expect: "^250"
              # Insert your generated Base64 string below
              - send: "AUTH PLAIN \AG5lc3RAbXluZXN0LmxvdmUAZ0pibVNBamdVaF83ejdUNEg4NGhxdw==r\n"
              - expect: "^235" # 235 = Auth successful. Any 5xx error fails the probe.
              - send: "QUIT\r\n"