{
  "slug": "nextcloud-mail",
  "category": "webmail",
  "name": "Nextcloud Mail",
  "description": "Open-source mail app for self-hosted Nextcloud servers that adds webmail for any IMAP account, with S/MIME, Mailvelope support and integration with Nextcloud contacts and calendar.",
  "website": "https://apps.nextcloud.com/apps/mail",
  "source": "https://github.com/nextcloud/mail",
  "license": "AGPL-3.0",
  "platforms": [
    "web"
  ],
  "jurisdiction": {
    "code": "DE",
    "name": "Germany",
    "eyes": "Fourteen Eyes",
    "eu": true,
    "gdpr": true,
    "cloud_act": null
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "B",
  "score": 84,
  "coverage": 100,
  "summary": "Nextcloud Mail scores 84 out of 100 (grade B) on the webmail criteria. It meets 7 of 9 criteria: open source, no trackers or telemetry, no ads or data sales, connects directly, blocks remote content, works with any provider and self-hostable. It partly meets OpenPGP support. It does not meet independent audit. It is based in Germany: Fourteen Eyes member; EU member (GDPR).",
  "url": "https://privacyratings.com/webmail/nextcloud-mail/",
  "markdown": "https://privacyratings.com/webmail/nextcloud-mail/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/nextcloud/mail/blob/main/COPYING",
      "note": "AGPL-3.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/nextcloud/mail",
      "note": "No telemetry or analytics in the source code, and the app store page loads no third-party trackers."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://nextcloud.com/pricing/",
      "note": "Free software funded by Nextcloud enterprise subscriptions. No ads."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit of the Mail app 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": "partial",
      "evidence": "https://github.com/nextcloud/mail/blob/main/README.md",
      "note": "OpenPGP works through the Mailvelope browser extension. S/MIME is built in."
    },
    "no_cloud_relay": {
      "title": "Connects directly",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://docs.nextcloud.com/server/latest/admin_manual/groupware/mail.html",
      "note": "Self-hosted. Connects from the Nextcloud server directly to the IMAP and SMTP servers, with no vendor service involved."
    },
    "remote_content_blocked": {
      "title": "Blocks remote content",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://github.com/nextcloud/mail/blob/main/lib/Service/HtmlPurify/TransformImageSrc.php",
      "note": "External images are proxied and hidden until the user chooses to show them, and tracking pixels are blocked."
    },
    "any_provider": {
      "title": "Works with any provider",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://docs.nextcloud.com/server/latest/admin_manual/groupware/mail.html",
      "note": "Works with any IMAP and SMTP server."
    },
    "self_hostable": {
      "title": "Self-hostable",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://docs.nextcloud.com/server/latest/admin_manual/groupware/mail.html",
      "note": "Installed as an app on a self-hosted Nextcloud server, with official administrator documentation."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:01:43.772Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}