{
  "slug": "heimdal-email-security",
  "category": "spam-filters",
  "name": "Heimdal Email Security",
  "description": "Cloud email filtering from Heimdal, a Danish security company, that blocks spam, phishing, malware and business email compromise, managed from the Heimdal dashboard alongside its endpoint security products.",
  "website": "https://heimdalsecurity.com/enterprise-security/products/email-security",
  "license": null,
  "platforms": [],
  "jurisdiction": {
    "code": "DK",
    "name": "Denmark",
    "eyes": "Nine Eyes",
    "eu": true,
    "gdpr": true,
    "cloud_act": null
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "F",
  "score": 19,
  "coverage": 100,
  "summary": "Heimdal Email Security scores 19 out of 100 (grade F) on the spam and virus filtering criteria. It meets 1 of 8 criteria: TLS configuration. It partly meets no ads or data sales. It does not meet open source, no trackers or telemetry, independent audit, transparency report, tells users about requests and security headers. It is based in Denmark: Nine Eyes member; EU member (GDPR). Automated tests: SSL Labs grade A+ and Mozilla HTTP Observatory grade C.",
  "url": "https://privacyratings.com/spam-filters/heimdal-email-security/",
  "markdown": "https://privacyratings.com/spam-filters/heimdal-email-security/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://heimdalsecurity.com/enterprise-security/products/email-security",
      "note": "The website loads Google Analytics, Microsoft Clarity, LinkedIn, Bing, Reddit, Capterra and G2 tags through Google Tag Manager."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://heimdalsecurity.com/enterprise-security/products/email-security",
      "note": "Funded by paid subscriptions, but the website shares visitor data with Google Ads, LinkedIn, Bing and Reddit to advertise its own products."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit is published. Heimdal states SOC 2 Type II certification, but the report is not public."
    },
    "transparency_report": {
      "title": "Transparency report",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No transparency report or government request policy is published."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "no",
      "evidence": null,
      "note": "No published policy on notifying users about data requests."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://www.ssllabs.com/ssltest/analyze.html?d=dashboard.heimdalsecurity.com&hideResults=on",
      "note": "Grade A+"
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "no",
      "evidence": "https://developer.mozilla.org/en-US/observatory/analyze?host=dashboard.heimdalsecurity.com",
      "note": "Grade C (50/100+)"
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "pending",
      "evidence": null,
      "note": "Not tested yet."
    }
  },
  "tests": {
    "ssllabs": "A+",
    "observatory": "C",
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [
      {
        "name": "Google Fonts",
        "host": "fonts.googleapis.com",
        "effect": "none"
      },
      {
        "name": "Google reCAPTCHA",
        "host": "www.google.com",
        "effect": "none"
      },
      {
        "name": "Google Tag Manager",
        "host": "www.googletagmanager.com",
        "effect": "no"
      },
      {
        "name": "VWO",
        "host": "dev.visualwebsiteoptimizer.com",
        "effect": "no"
      }
    ],
    "tested_at": "2026-10-01T07:06:28.096Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}