{
  "version": 1,
  "updated": "2026-06-17",
  "providers": [
    {
      "name": "Gmail",
      "slug": "gmail",
      "tier": "B",
      "method": "gmail-apps-script",
      "status": "live",
      "region": "global",
      "rfc8058": "yes",
      "setup": "/gmail",
      "note": "Automatic — a Google Apps Script runs inside your account every 15 minutes."
    },
    {
      "name": "Outlook (desktop)",
      "slug": "outlook",
      "tier": "C",
      "method": "outlook-desktop",
      "status": "live",
      "region": "global",
      "rfc8058": "yes",
      "setup": "/outlook",
      "note": "Outlook.com IMAP is OAuth-only since 2024; the local PowerShell track sidesteps that."
    },
    {
      "name": "Apple Mail",
      "slug": "apple-mail",
      "tier": "C",
      "method": "apple-mail",
      "status": "live",
      "region": "global",
      "rfc8058": "yes",
      "setup": "/outlook#apple-mail",
      "note": "A local AppleScript acts on the messages you select. Nothing leaves your Mac."
    },
    {
      "name": "iCloud Mail",
      "slug": "icloud",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "global",
      "rfc8058": "yes",
      "appPassword": "https://account.apple.com/account/manage",
      "note": "Requires an app-specific password (2FA on)."
    },
    {
      "name": "Yahoo Mail",
      "slug": "yahoo",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "global",
      "rfc8058": "yes",
      "appPassword": "https://login.yahoo.com/account/security/app-passwords",
      "note": "Generate an app password; Yahoo throttles new IMAP connections briefly."
    },
    {
      "name": "AOL Mail",
      "slug": "aol",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "global",
      "rfc8058": "yes",
      "appPassword": "https://login.aol.com/account/security"
    },
    {
      "name": "Fastmail",
      "slug": "fastmail",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "global",
      "rfc8058": "yes",
      "appPassword": "https://app.fastmail.com/settings/security/apppasswords",
      "note": "Paid accounts only."
    },
    {
      "name": "GMX",
      "slug": "gmx",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "de",
      "rfc8058": "yes",
      "note": "IMAP must be enabled in settings; GMX may auto-disable it after inactivity."
    },
    {
      "name": "Web.de",
      "slug": "web-de",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "de",
      "rfc8058": "yes",
      "note": "Enable IMAP in settings before connecting."
    },
    {
      "name": "Posteo",
      "slug": "posteo",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "de",
      "rfc8058": "yes"
    },
    {
      "name": "Mailbox.org",
      "slug": "mailbox-org",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "de",
      "rfc8058": "yes"
    },
    {
      "name": "t-online",
      "slug": "t-online",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "de",
      "rfc8058": "yes",
      "note": "Needs a dedicated mail password set in the t-online profile."
    },
    {
      "name": "Yandex Mail",
      "slug": "yandex",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "global",
      "rfc8058": "yes",
      "appPassword": "https://id.yandex.com/security/app-passwords"
    },
    {
      "name": "mail.com",
      "slug": "mail-com",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "global",
      "rfc8058": "yes"
    },
    {
      "name": "Zoho Mail",
      "slug": "zoho",
      "tier": "A",
      "method": "imap-app-password",
      "status": "planned",
      "region": "global",
      "rfc8058": "yes",
      "appPassword": "https://accounts.zoho.com/home#security/app_password"
    },
    {
      "name": "Proton Mail",
      "slug": "proton",
      "tier": "B",
      "method": "imap-bridge",
      "status": "planned",
      "region": "global",
      "rfc8058": "yes",
      "note": "Needs Proton Bridge (paid plans) to expose local IMAP."
    },
    {
      "name": "QQ Mail",
      "slug": "qq",
      "tier": "B",
      "method": "imap-app-password",
      "status": "planned",
      "region": "global",
      "rfc8058": "unknown",
      "note": "Uses an authorization code; activation can be slow."
    },
    {
      "name": "HEY",
      "slug": "hey",
      "tier": "C",
      "method": "none",
      "status": "unsupported",
      "region": "global",
      "rfc8058": "unknown",
      "note": "No IMAP access, so no standards-based path exists."
    },
    {
      "name": "Tuta (Tutanota)",
      "slug": "tuta",
      "tier": "C",
      "method": "none",
      "status": "unsupported",
      "region": "global",
      "rfc8058": "unknown",
      "note": "No IMAP by design (end-to-end encrypted)."
    }
  ]
}