{
  "id": "yahoo-mail-proxy",
  "name": "Yahoo Mail Proxy",
  "operator": {
    "name": "Yahoo",
    "url": "https://www.yahooinc.com"
  },
  "description": "Yahoo Mail's content-fetch proxy. It retrieves images and other assets embedded in the URLs of messages sent to Yahoo Mail users, so that the content is served through Yahoo rather than fetched directly by the recipient's browser. Yahoo documents the user agent and publishes the address ranges the proxy fetches from.",
  "docs": [
    "https://senders.yahooinc.com/mail-proxy-servers/"
  ],
  "category": "social-preview",
  "user_agents": {
    "patterns": [
      "YahooMailProxy"
    ],
    "instances": [
      "YahooMailProxy; https://senders.yahooinc.com/mail-proxy-servers"
    ]
  },
  "behavior": {
    "respects_robots_txt": false
  },
  "verification": [
    {
      "type": "static_cidrs",
      "cidrs": [
        "27.123.32.0/19",
        "67.195.0.0/16",
        "69.147.64.0/18",
        "87.248.96.0/19",
        "98.138.0.0/15",
        "106.10.128.0/17",
        "115.178.0.0/20",
        "119.161.0.0/19",
        "200.152.160.0/20",
        "202.43.192.0/19",
        "209.73.160.0/19",
        "212.82.96.0/19",
        "216.115.96.0/20",
        "2001:4998::/32",
        "2406:2000::/32",
        "2406:6e00::/32",
        "2804:1bc::/32",
        "2a00:1288::/32"
      ]
    }
  ],
  "tier": 2,
  "tier_label": "Verifiable",
  "first_seen": "2026-08-27T13:23:13.415Z",
  "resolved_cidrs": [
    "106.10.128.0/17",
    "115.178.0.0/20",
    "119.161.0.0/19",
    "200.152.160.0/20",
    "2001:4998::/32",
    "202.43.192.0/19",
    "209.73.160.0/19",
    "212.82.96.0/19",
    "216.115.96.0/20",
    "2406:2000::/32",
    "2406:6e00::/32",
    "27.123.32.0/19",
    "2804:1bc::/32",
    "2a00:1288::/32",
    "67.195.0.0/16",
    "69.147.64.0/18",
    "87.248.96.0/19",
    "98.138.0.0/15"
  ]
}