{
  "slug": "sogo",
  "category": "webmail",
  "name": "SOGo",
  "description": "Self-hosted, open-source groupware server with webmail, calendars and address books, supporting CalDAV, CardDAV and ActiveSync. It uses an existing IMAP server for mail.",
  "website": "https://www.sogo.nu",
  "source": "https://github.com/Alinto/sogo",
  "license": "GPL-2.0",
  "platforms": [
    "web"
  ],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "C",
  "score": 63,
  "coverage": 100,
  "summary": "SOGo scores 63 out of 100 (grade C) on the webmail criteria. It meets 6 of 9 criteria: open source, no ads or data sales, connects directly, blocks remote content, works with any provider and self-hostable. It does not meet no trackers or telemetry, independent audit and OpenPGP support.",
  "url": "https://privacyratings.com/webmail/sogo/",
  "markdown": "https://privacyratings.com/webmail/sogo/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/Alinto/sogo/blob/master/COPYING.GPL",
      "note": "GPL-2.0, with libraries under LGPL-2.1."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "no",
      "evidence": null,
      "note": "The website loads Google Analytics. The self-hosted software itself has no telemetry."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://www.sogo.nu/support.html",
      "note": "Free software funded by commercial support subscriptions from Alinto. No ads."
    },
    "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": null,
      "note": "OpenPGP is not supported. Only S/MIME signing and encryption are built in."
    },
    "no_cloud_relay": {
      "title": "Connects directly",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://www.sogo.nu/files/docs/SOGoInstallationGuide.html",
      "note": "Self-hosted. Connects from the server where it is installed 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/Alinto/sogo/blob/master/SoObjects/SOGo/SOGoDefaults.plist",
      "note": "The default SOGoMailDisplayRemoteInlineImages setting is never, so remote images load only on request."
    },
    "any_provider": {
      "title": "Works with any provider",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://www.sogo.nu/files/docs/SOGoInstallationGuide.html",
      "note": "Works with any IMAP and SMTP server configured by the administrator."
    },
    "self_hostable": {
      "title": "Self-hostable",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://www.sogo.nu/files/docs/SOGoInstallationGuide.html",
      "note": "Self-hosted software with an official installation guide."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [
      {
        "name": "Google Analytics",
        "host": "inline code",
        "effect": "no"
      },
      {
        "name": "Google reCAPTCHA",
        "host": "www.google.com",
        "effect": "none"
      },
      {
        "name": "Google Tag Manager",
        "host": "www.googletagmanager.com",
        "effect": "no"
      }
    ],
    "tested_at": "2026-10-01T07:01:35.264Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}