{
  "name": "Mail authentication failures",
  "description": "Repeated SMTP auth failures on the mail host -- credential stuffing against the mail server",
  "query": "service=smtp result=auth_failed earliest=-15m | stats count",
  "query_language": "spl",
  "condition_type": "threshold",
  "eval_interval_seconds": 120,
  "for_minutes": 0,
  "notification_target_id": "__TARGET_SECURITY__",
  "enabled": true,
  "comparator": "gt",
  "threshold_value": 6
}