{
  "name": "Mail delivery",
  "description": "SMTP delivery outcomes, authentication failures, and spam rejections on the mail host",
  "default_earliest": "-24h",
  "default_latest": "now",
  "panels": [
    {
      "title": "Delivered",
      "query": "service=smtp result=delivered | stats count",
      "viz_type": "single_stat",
      "position_x": 0,
      "position_y": 0,
      "width": 4,
      "height": 3,
      "query_language": "spl",
      "sort_order": 0
    },
    {
      "title": "Auth failures",
      "query": "service=smtp result=auth_failed | stats count",
      "viz_type": "single_stat",
      "position_x": 4,
      "position_y": 0,
      "width": 4,
      "height": 3,
      "query_language": "spl",
      "sort_order": 1
    },
    {
      "title": "Spam rejections",
      "query": "service=smtp result=spam_reject | stats count",
      "viz_type": "single_stat",
      "position_x": 8,
      "position_y": 0,
      "width": 4,
      "height": 3,
      "query_language": "spl",
      "sort_order": 2
    },
    {
      "title": "Outcomes",
      "query": "cairnobs.metrics!=true cairnobs.heartbeat!=true service=smtp | stats count by result | sort -count",
      "viz_type": "bar",
      "position_x": 0,
      "position_y": 3,
      "width": 6,
      "height": 5,
      "viz_config": {
        "x_column": "result",
        "value_column": "count"
      },
      "query_language": "spl",
      "sort_order": 3
    },
    {
      "title": "Top sender domains",
      "query": "cairnobs.metrics!=true cairnobs.heartbeat!=true service=smtp | stats count by sender_domain | sort -count | head 10",
      "viz_type": "top_n",
      "position_x": 6,
      "position_y": 3,
      "width": 6,
      "height": 5,
      "viz_config": {
        "label_column": "sender_domain",
        "value_column": "count"
      },
      "query_language": "spl",
      "sort_order": 4
    },
    {
      "title": "Outcome by sender domain",
      "query": "cairnobs.metrics!=true cairnobs.heartbeat!=true service=smtp | stats count by sender_domain, result",
      "viz_type": "heatmap",
      "position_x": 0,
      "position_y": 8,
      "width": 6,
      "height": 5,
      "viz_config": {
        "x_column": "sender_domain",
        "y_column": "result",
        "value_column": "count"
      },
      "query_language": "spl",
      "sort_order": 5
    },
    {
      "title": "Auth failures by source address",
      "query": "service=smtp result=auth_failed | stats count by remote_addr | sort -count | head 10",
      "viz_type": "bar",
      "position_x": 6,
      "position_y": 8,
      "width": 6,
      "height": 5,
      "viz_config": {
        "x_column": "remote_addr",
        "value_column": "count"
      },
      "query_language": "spl",
      "sort_order": 6
    },
    {
      "title": "Recent rejections",
      "query": "service=smtp result=spam_reject | sort -timestamp | head 50 | fields timestamp, remote_addr, sender_domain, spam_score, message",
      "viz_type": "table",
      "position_x": 0,
      "position_y": 13,
      "width": 12,
      "height": 6,
      "query_language": "spl",
      "sort_order": 7
    }
  ]
}