{
  "slug": "mailbird",
  "category": "email-clients",
  "name": "Mailbird",
  "description": "Closed-source desktop email client for Windows, with a separate Mailbird Next app for macOS, that combines several accounts in a unified inbox with calendar and app integrations.",
  "website": "https://www.getmailbird.com",
  "license": null,
  "platforms": [
    "windows",
    "macos"
  ],
  "jurisdiction": {
    "code": "US",
    "name": "United States",
    "eyes": "Five Eyes",
    "eu": false,
    "gdpr": false,
    "cloud_act": "provider"
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "F",
  "score": 33,
  "coverage": 100,
  "summary": "Mailbird scores 33 out of 100 (grade F) on the email clients criteria. It meets 3 of 8 criteria: connects directly, blocks remote content and works with any provider. It does not meet open source, no trackers or telemetry, no ads or data sales, independent audit and OpenPGP support. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.",
  "url": "https://privacyratings.com/email-clients/mailbird/",
  "markdown": "https://privacyratings.com/email-clients/mailbird/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "no",
      "evidence": null,
      "note": "Closed source."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "no",
      "evidence": "https://www.getmailbird.com/privacy-policy/",
      "note": "The website loads Google Tag Manager, Mixpanel, PostHog, LinkedIn and TikTok trackers, and the policy lists Google Analytics, Mixpanel and Hotjar."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "no",
      "evidence": "https://www.getmailbird.com/privacy-policy/",
      "note": "Sells paid plans, but the privacy policy allows targeted third-party advertising on the site and in the applications."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit is published."
    },
    "transparency_report": {
      "title": "Transparency report",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "openpgp": {
      "title": "OpenPGP support",
      "weight": 2,
      "answer": "no",
      "evidence": "https://support.getmailbird.com/hc/en-us/articles/15014091847575-Is-PGP-encryption-supported-in-Mailbird",
      "note": "PGP encryption is not supported."
    },
    "no_cloud_relay": {
      "title": "Connects directly",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://support.getmailbird.com/hc/en-us/articles/360006261473-I-have-forgotten-my-email-password",
      "note": "Connects directly to mail servers. Usernames and passwords are stored encrypted on the local drive."
    },
    "remote_content_blocked": {
      "title": "Blocks remote content",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://support.getmailbird.com/hc/en-us/articles/220107267-Always-Show-Remote-Images",
      "note": "Remote images load only when allowed for a message or sender, unless Always show remote images is turned on."
    },
    "any_provider": {
      "title": "Works with any provider",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://support.getmailbird.com/hc/en-us/articles/220106687-IMAP-Support-in-Mailbird",
      "note": "Works with any IMAP and POP3 provider, plus Exchange on paid plans."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [
      {
        "name": "Cloudflare Web Analytics",
        "host": "static.cloudflareinsights.com",
        "effect": "partial"
      },
      {
        "name": "Google reCAPTCHA",
        "host": "www.google.com",
        "effect": "none"
      },
      {
        "name": "Google Tag Manager",
        "host": "www.googletagmanager.com",
        "effect": "no"
      },
      {
        "name": "Mixpanel",
        "host": "inline code",
        "effect": "no"
      },
      {
        "name": "PostHog",
        "host": "inline code",
        "effect": "no"
      }
    ],
    "tested_at": "2026-10-01T07:01:48.542Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}