{"id":3977,"date":"2025-05-31T14:30:23","date_gmt":"2025-05-31T05:30:23","guid":{"rendered":"https:\/\/www.dogrow.net\/linux\/?p=3977"},"modified":"2025-06-20T07:50:12","modified_gmt":"2025-06-19T22:50:12","slug":"blog170-thunderbird%e3%81%a7%e3%82%aa%e3%83%aa%e3%82%b8%e3%83%8a%e3%83%abspam%e3%83%95%e3%82%a3%e3%83%ab%e3%82%bf%e3%83%bc%e3%82%92%e4%bd%9c%e3%82%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/linux\/blog170-thunderbird%e3%81%a7%e3%82%aa%e3%83%aa%e3%82%b8%e3%83%8a%e3%83%abspam%e3%83%95%e3%82%a3%e3%83%ab%e3%82%bf%e3%83%bc%e3%82%92%e4%bd%9c%e3%82%8b%e3%80%82\/","title":{"rendered":"(170) Thunderbird Add-on\u3067\u30aa\u30ea\u30b8\u30ca\u30ebSPAM\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f5c\u308b\u3002"},"content":{"rendered":"

\u30101\u3011\u73fe\u72b6\u306e\u554f\u984c\u70b9<\/h1>\n

Thunderbird\u4e0a\u3067\u300126\u500b\u306e\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002<\/p>\n

\u305d\u308c\u305e\u308c\u306e\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u3064\u3044\u3066 SPF\u30c1\u30a7\u30c3\u30af\u3001DKIM\u30c1\u30a7\u30c3\u30af\u3001\u305d\u306e\u4ed6\u8af8\u3005\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u3092\u5b9f\u884c\u3057\u305f\u3044\u306e\u3060\u304c\u3001
\nThunderbird\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b Filtering Manager\u3067\u306f
\n\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u3054\u3068\u306b\u30d5\u30a3\u30eb\u30bf\u30fc\u8a2d\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u3067\u624b\u9593\u304c\u304b\u304b\u308b\u3002<\/span><\/p>\n

\u66f4\u306b…
\nThunderbird\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b Filtering Manager\u3067\u306f
\n\u9664\u53bb\u3067\u304d\u306a\u3044\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\uff08\uff1d\u6307\u5b9a\u3067\u304d\u306a\u3044\u30d1\u30bf\u30fc\u30f3\uff09\u3082\u3042\u308b\u3002<\/span><\/p>\n

\u30102\u3011\u3084\u308a\u305f\u3044\u3053\u3068<\/h1>\n

Thunderbird\u306b\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30a3\u30eb\u30bf\u30fc\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u304b\u3086\u3044\u3068\u3053\u308d\u306b\u624b\u304c\u5c4a\u304b\u306a\u3044\u3002<\/span>
\n\"\"<\/p>\n

Thunderbird\u306b\u6a19\u6e96\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3053\u306e\u6a5f\u80fd\u306f\u3001\u65e5\u9032\u6708\u6b69\u3067\u65e5\u3005\u3044\u3084\u3089\u3057\u3055\u3092\u5897\u3059 SPAM\u30e1\u30fc\u30eb\u306b\u5bfe\u3057\u3066\u306f\u5c11\u3005\u6a5f\u80fd\u4e0d\u8db3\u306a\u306e\u3060\u3002
\n\u4eca\u56de SPAM\u3068\u3057\u3066\u9664\u5916\u3057\u305f\u3044\u30e1\u30fc\u30eb\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3002
\n\n
From:<\/td>xxxxxxx@amazon.co.jp<\/td>\u8868\u9762\u4e0a\u306e\u9001\u4fe1\u5143\uff08\u8a50\u79f0\uff09<\/td><\/tr>
Return-Path:<\/td>xxxxxxx@fiweuhiwfeuhiw.cn<\/td>\u30d8\u30c3\u30c0\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305f\u9001\u4fe1\u5143\uff08\u672c\u7269\uff09<\/td><\/tr>\n<\/table><\/p>\n

\u3053\u308c\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u4e00\u7a2e\u3060\u3002
\n\u3053\u306e\u4e21\u8005\u304c\u4e00\u81f4\u3057\u306a\u3044\u3053\u3068\u3092\u691c\u51fa\u3067\u304d\u308c\u3070 SPAM\u5224\u5b9a\uff06\u9664\u5916\u3067\u304d\u308b\u3002<\/p>\n

\u3067\u3082\u30fb\u30fb\u30fb<\/span>
\nThunderbird\u304c\u63d0\u4f9b\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30a3\u30eb\u30bf\u6a5f\u80fd\u3067\u306f\u5b9f\u73fe\u3067\u304d\u306a\u304b\u3063\u305f\u3002<\/span><\/p>\n

\u305d\u3053\u3067\u30fb\u30fb\u30fb<\/span>
\n\u30aa\u30ea\u30b8\u30ca\u30eb\u306eSPAM\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u3001\u81ea\u529b\u3067\u30a2\u30c9\u30aa\u30f3\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/span><\/p>\n

\u30103\u3011SPF, DKIM\u3067\u9664\u5916\u3067\u304d\u306a\u3044\u306e\u304b\uff1f<\/h1>\n

\u4e00\u898b\u3059\u308b\u3068 SPF, DKIM \u3067\u9664\u5916\u3067\u304d\u305d\u3046<\/span> \u3060\u304c\u3001\u305d\u3046\u306f\u3067\u304d\u306a\u3044\u3002<\/p>\n

SPF : Sender Policy Framework<\/h3>\n

SPF\u306e\u52d5\u4f5c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002
\nReturn-Path<\/span> \u306b\u542b\u307e\u308c\u308b\u30c9\u30e1\u30a4\u30f3\uff08\u4f8b: fiweuhiwfeuhiw.cn\uff09\u3092 DNS<\/span> \u306b\u554f\u3044\u5408\u308f\u305b\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u5143 IP\u30a2\u30c9\u30ec\u30b9\u3068\u4e00\u81f4\u3057\u3066\u3044\u308c\u3070 pass\u5224\u5b9a\u3059\u308b\u3002<\/p>\n

\u3064\u307e\u308a\u30fb\u30fb\u30fb
\n\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3068 Return-Path\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u4e00\u81f4\u3057\u3066\u3044\u308c\u3070 pass\u5224\u5b9a\u3055\u308c\u308b\u3002<\/span>
\n\u3068\u3044\u3046\u3060\u3051\u3067\u3001
\n\u3053\u306e\u30e1\u30fc\u30eb\u304c amazon.co.jp \u304b\u3089\u9001\u3089\u308c\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u3001\u3068\u3044\u3046\u3053\u3068\u304c\u5224\u65ad\u3067\u304d\u306a\u3044\u3002<\/span><\/p>\n

DKIM : DomainKeys Identified Mail<\/h3>\n

DKIM\u306f\u516c\u958b\u9375\u6697\u53f7\u65b9\u5f0f\u3067\u3042\u308a\u3001\u52d5\u4f5c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002
\n\u9001\u4fe1\u30b5\u30fc\u30d0<\/span>\uff08\u3053\u306e\u5834\u5408\u306ffiweuhiwfeuhiw.cn\uff09\u304c\u3000\u30e1\u30fc\u30eb\u5185\u5bb9\u3092\u79d8\u5bc6\u9375\u3067\u6697\u53f7\u5316<\/span>\u3000\u3057\u3066\u304d\u305f\u5834\u5408\u306b\u3001
\n\u53d7\u4fe1\u30b5\u30fc\u30d0<\/span>\u304c DNS\u304b\u3089 amazon.co.jp \u306e \u516c\u958b\u9375\u3092\u53d6\u5f97\u3057\u3066\u5fa9\u53f7\u5316<\/span>\u3000\u3092\u8a66\u307f\u308b\u3002
\n\u5f53\u7136\u3001\u5fa9\u53f7\u5316\u3067\u304d\u306a\u3044\u306e\u3067\u4e0d\u6b63\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3067\u304d\u308b\u3002<\/p>\n

\u3057\u304b\u3057\u30fb\u30fb\u30fb
\n\u9001\u4fe1\u30b5\u30fc\u30d0\u304c\u516c\u958b\u9375\u6697\u53f7\u65b9\u5f0f\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u3001
\n\u3059\u306a\u308f\u3061\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u306b DKIM-Signature \u3092\u542b\u3081\u306a\u3044\u5834\u5408\u306f\u3053\u308c\u304c\u6a5f\u80fd\u3057\u306a\u3044\u3002
\n \u2192 DKIM=none \u306b\u306a\u308b\u3002<\/span><\/p>\n

DMARC : Domain-based Message Authentication, Reporting and Conformance<\/h3>\n

DMARC\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u3002
\n\u2460 SPF\u3092\u30c1\u30a7\u30c3\u30af\uff08\u5bfe\u8c61\u306f Return-Path\uff09
\n\u2461 DKIM\u3092\u30c1\u30a7\u30c3\u30af\uff08\u5bfe\u8c61\u306f DKIM Signature\uff09
\n\u2461 \u4e0a\u8a18\u2460, \u2461\u3067\u30c1\u30a7\u30c3\u30af\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u304c\u30d8\u30c3\u30c0 From\u30c9\u30e1\u30a4\u30f3\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\uff1f
\n\u3000\u2192 \u4e00\u81f4\u3057\u306a\u3044 or SPF, DKIM\u3068\u3082\u306b Fail\u306a\u3089 SPAM\u5224\u5b9a<\/p>\n

\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u3092\u3082\u3046\u4e00\u5ea6\u66f8\u3044\u3066\u304a\u304f\u3002
\n\n
From:<\/td>xxxxxxx@amazon.co.jp<\/td>\u8868\u9762\u4e0a\u306e\u9001\u4fe1\u5143\uff08\u8a50\u79f0\uff09<\/td><\/tr>
Return-Path:<\/td>xxxxxxx@fiweuhiwfeuhiw.cn<\/td>\u30d8\u30c3\u30c0\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305f\u9001\u4fe1\u5143\uff08\u672c\u7269\uff09<\/td><\/tr>\n<\/table><\/p>\n

\u3053\u306e\u5834\u5408\u306e DMARC\u306e\u52d5\u4f5c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002
\n\u2460 SPF=pass\uff08Return-Path\u30c9\u30e1\u30a4\u30f3 fiweuhiwfeuhiw.cn \u3068\u9001\u4fe1\u5143 IP\u30a2\u30c9\u30ec\u30b9\u304c\u4e00\u81f4\uff09
\n\u2461 DKIM=none\uff08\u7f72\u540d\u306a\u3057\u2192fail<\/span>\uff09
\n\u2462 SPF alignment: fail<\/span>\uff08From=amazon.co.jp\u3001Return-Path=fiweuhiwfeuhiw.cn \u304c\u4e0d\u4e00\u81f4\uff09
\n\u3000\u2192 fail, fail\u3067 SPAM\u5224\u5b9a<\/p>\n

\u3088\u3063\u3066\u30fb\u30fb\u30fb
\nDMARC\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u308b\u304c p=quarantine\/reject \u306a\u3089\u4e0d\u6b63\u3001\u3059\u306a\u308f\u3061 SPAM\u5224\u5b9a\u3068\u306a\u308b\u3002<\/span>
\n\n
p\u306e\u5024<\/th>\u610f\u5473<\/th><\/tr>
none<\/td>\u4e0d\u6b63\uff08DMARC fail\uff09\u3067\u3082\u4f55\u3082\u3057\u306a\u3044\uff08\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306e\u307f\uff09<\/td><\/tr>
quarantine<\/td>\u4e0d\u6b63\u30e1\u30fc\u30eb\u306f\u9694\u96e2\uff08\u30b9\u30d1\u30e0\u30d5\u30a9\u30eb\u30c0\u306a\u3069\uff09<\/td><\/tr>
reject<\/td>\u4e0d\u6b63\u30e1\u30fc\u30eb\u306f\u53d7\u4fe1\u62d2\u5426<\/td><\/tr>\n<\/table><\/p>\n

\u3068\u3066\u3082\u5f79\u7acb\u3061\u305d\u3046\u3060\u304c\u3001
\nDMARC\u672a\u5bfe\u5fdc\u306e\u53d7\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3082\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u3053\u308c\u306b\u306f\u983c\u308c\u306a\u3044\u3002<\/span><\/p>\n

\u3088\u3063\u3066\u30fb\u30fb\u30fb
\n2025\u5e745\u670831\u65e5\u306e\u73fe\u6642\u70b9\u3067\u306f\u3001
\n\u30aa\u30ea\u30b8\u30ca\u30eb\u306eSPAM\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u81ea\u529b\u3067\u30a2\u30c9\u30aa\u30f3\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/span><\/p>\n

\u30104\u3011\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u88c5<\/h1>\n

\u524d\u7f6e\u304d\u304c\u9577\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001\u3053\u306e\u5f8c\u306f\u3055\u3089\u3063\u3068\u8a18\u9332\u3057\u3066\u304a\u304f\u3002
\nThunderbird Add-on\u5236\u4f5c\u306f\u521d\u3081\u3066\u306a\u306e\u3067\u3001\u3057\u3064\u3053\u3044\u307b\u3069\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u66f8\u3044\u3066\u304a\u3044\u305f\u3002<\/p>\n

\r\n{\r\n  "manifest_version": 2,\r\n  "name": "\u2605MyAddon\u2605 From\/Return-Path Filter",\r\n  "version": "1.0",\r\n  "applications": {\r\n    "gecko": {\r\n      "id": "from-returnpath-filter@dogrow.net",\r\n      "strict_min_version": "78.0"\r\n    }\r\n  },\r\n  "permissions": [\r\n    "messagesRead",\r\n    "accountsRead",\r\n    "messagesMove"\r\n  ],\r\n  "background": {\r\n    "scripts": ["from-returnpath-filter.js"]\r\n  }\r\n}\r\n<\/pre>\n
\u4f5c\u3063\u3066\u3044\u308b\u9593\u306b\u300c\u3042\u308c\u3082\u3053\u308c\u3082\u300d\u3068\u80a5\u5927\u5316\u3057\u3066\u3057\u307e\u3063\u305f\u30fb\u30fb\u30fb
\n\u305d\u308c\u3067\u3082\u3001\u5fc5\u8981\u306a\u6a5f\u80fd\u3092\u5165\u308c\u3066\u5927\u304d\u304f\u306a\u308b\u306e\u306f\u4ed5\u65b9\u304c\u306a\u3044\u3053\u3068\u3002<\/p>\n
\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n\/\/\u3010Event Handler\u3011\u65b0\u898f\u30e1\u30c3\u30bb\u30fc\u30b8\u53d7\u4fe1\uff08async: \u975e\u540c\u671f\u4e26\u5217\u5b9f\u884c\uff09\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nbrowser.messages.onNewMailReceived.addListener(async (folder, newMessages) => {\r\n  \/\/console.log('newMessages:', newMessages);                   \/\/ console\u8868\u793a: newMessages\u306e\u4e2d\u8eab\u3092\u8868\u793a\r\n  \/\/----------------------------------------------------------------------------\r\n  let accounts = await browser.accounts.list();                 \/\/ accounts\u3092\u53d6\u5f97\r\n  let accountsMap = new Map();                                  \/\/ accountsMap\u4f5c\u6210\r\n  for (let acc of accounts) {\r\n    accountsMap.set(acc.id, acc);                               \/\/ id\u3092\u30ad\u30fc\u306bMap\u767b\u9332\r\n  }\r\n  \/\/----------------------------------------------------------------------------\r\n  if(newMessages && Array.isArray(newMessages.messages)){       \/\/ \u53d7\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u60c5\u5831\u3042\u308a\uff1f\r\n    let promises = newMessages.messages.map(msg => processMessage(accountsMap, folder, msg));\r\n    await Promise.all(promises);                                \/\/ \u5168\u51e6\u7406\u306e\u540c\u671f\u5f85\u3061\u3002\r\n  }\r\n  \/\/----------------------------------------------------------------------------\r\n  else{                                                         \/\/ \u53d7\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u60c5\u5831\u306a\u3057\uff1f\r\n    console.warn('newMessages.messages is not an array or newMessages is invalid:', newMessages);\r\n  }\r\n  \/\/----------------------------------------------------------------------------\r\n});\r\n\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n\/\/ 1\u30e1\u30c3\u30bb\u30fc\u30b8\u306e SPAM\u5bfe\u7b56\u51e6\u7406\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nasync function processMessage(accountsMap, folder, msg){\r\n  try {\r\n    \/\/--------------------------------------------------------------------------\r\n    \/\/ folder.accountId \u306b\u5bfe\u5fdc\u3059\u308b\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3002\r\n    let account = accountsMap.get(folder.accountId);    \/\/  accountsMap\u53c2\u7167\r\n    let accountEmail = account?.identities?.[0]?.email; \/\/ \u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u53d6\u5f97\uff08\u975e\u5b58\u5728\u2192undefined \uff09\r\n    \/\/--------------------------------------------------------------------------\r\n    \/\/ \u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u3092\u53d6\u5f97\u3059\u308b\u3002\r\n    let full = await browser.messages.getFull(msg.id);\r\n    let headers = full.headers;\r\n    if (!headers){\r\n      throw new Error(`Cannot retrieve headers for message ID: ${msg.id}`);\r\n    }\r\n    \/\/--------------------------------------------------------------------------\r\n    \/\/ \u306a\u308a\u3059\u307e\u3057\u5224\u5b9a(1) : from \u3068 return-path \u3092\u6bd4\u8f03\r\n    let res = isSpoofedEmail(headers);\r\n    if(res.isSpam){\r\n      console.log(`${accountEmail} : Moving msg ${msg.id}: From=${res.fromDomain}, Return-Path=${res.returnDomain}`);\r\n      \/\/ \u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53d7\u4fe1\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30b4\u30df\u7bb1\u3092\u53d6\u5f97\u3057\u3001\u305d\u3053\u3078\u79fb\u52d5\u3059\u308b\u3002\r\n      let trashFolder = await getTrashFolderFromAccount(account);\r\n      if (trashFolder) {\r\n        await browser.messages.move([msg.id], trashFolder.id);\r\n      }else{\r\n        console.error(`Cannot move message ${msg.id}: Trash folder not found.`);\r\n      }\r\n      return;                                           \/\/ \u51e6\u7406\u7d42\u4e86\r\n    }\r\n    \/\/--------------------------------------------------------------------------\r\n  }\r\n  catch (error) {\r\n    console.error(`Error processing message ${msg.id}:`, error);\r\n  }\r\n}\r\n\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n\/\/ \u6307\u5b9a\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30b4\u30df\u7bb1\u30d5\u30a9\u30eb\u30c0\u3092\u53d6\u5f97\uff08accountsMap\u7248\uff09\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nasync function getTrashFolderFromAccount( account ) {\r\n  \/\/----------------------------------------------------------------------------\r\n  if(!account) return null;\r\n  if(!account.folders) return null;\r\n  \/\/----------------------------------------------------------------------------\r\n  for (let folder of account.folders) {\r\n    if (folder.type === "trash") {\r\n      return folder;\r\n    }\r\n  }\r\n  \/\/----------------------------------------------------------------------------\r\n  return null;\r\n}\r\n\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n\/\/ \u30c9\u30e1\u30a4\u30f3\u62bd\u51fa\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nfunction extractDomainFromHeader(headerValue) {\r\n  if (!headerValue) return null;\r\n  headerValue = headerValue.replace(\/(\\r\\n|\\n|\\r|\\t)\/g, ' ');   \/\/ \u6539\u884c\u3092\u9664\u53bb\r\n  headerValue = headerValue.replace(\/\\s{2,}\/g, ' ').trim();     \/\/ \u4f59\u5206\u306a\u7a7a\u767d\u9664\u53bb\r\n  \/\/----------------------------------------------------------------------------\r\n  \/\/ \u512a\u51481: <...> \u5185\u3092\u62bd\u51fa\r\n  let email = null;\r\n  const angleMatch = headerValue.match(\/<\\s*([^>]+?)\\s*>\/);\r\n  if (angleMatch && angleMatch[1]) {\r\n    email = angleMatch[1].toLowerCase();\r\n  }\r\n  \/\/----------------------------------------------------------------------------\r\n  \/\/ \u512a\u51482: fallback - \u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u5f62\u5f0f\u3092\u62bd\u51fa\r\n  if (!email) {\r\n    const emailPattern = \/([a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,})\/;\r\n    const fallbackMatch = headerValue.match(emailPattern);\r\n    if (fallbackMatch && fallbackMatch[1]) {\r\n      email = fallbackMatch[1].toLowerCase();\r\n    }\r\n  }\r\n  \/\/----------------------------------------------------------------------------\r\n  \/\/ \u30c9\u30e1\u30a4\u30f3\u90e8\u5206\u62bd\u51fa\r\n  if (email) {\r\n    const domainMatch = email.match(\/@(.+)$\/);\r\n    if (domainMatch && domainMatch[1]) {\r\n      return extractBaseDomain(domainMatch[1]);\r\n    }\r\n  }\r\n  \/\/----------------------------------------------------------------------------\r\n  return null;\r\n}\r\n\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n\/\/ TLD\u3092\u62bd\u51fa\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nfunction extractBaseDomain(fullDomain) {\r\n  if (!fullDomain) return null;\r\n  \/\/----------------------------------------------------------------------------\r\n  \/\/ \u7c21\u6613\u7684\u306b\u65e5\u672c\u306e\u4e3b\u8981\u8907\u5408TLD\u306b\u5bfe\u5fdc\r\n  const tlds2 = [\r\n    'co.jp', 'ac.jp', 'or.jp', 'ne.jp', 'go.jp', 'gr.jp', 'ed.jp', 'lg.jp'\r\n  ];\r\n  \/\/----------------------------------------------------------------------------\r\n  const parts = fullDomain.split('.');\r\n  const last2 = parts.slice(-2).join('.');\r\n  if (tlds2.includes(last2) && parts.length >= 3) {\r\n    return parts.slice(-3).join('.');   \/\/ \u4f8b: emagazine.rakuten.co.jp \u2192 rakuten.co.jp\r\n  } else if (parts.length >= 2) {\r\n    return last2;                       \/\/ \u901a\u5e38TLD\uff08\u4f8b: dogrow.net \u2192 dogrow.net\uff09\r\n  } else {\r\n    return fullDomain;                  \/\/ \u6700\u4f4e\u9650\u306e\u30c9\u30e1\u30a4\u30f3\u90e8\u5206\r\n  }\r\n}\r\n\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\n\/\/ \u30e1\u30fc\u30eb\u306e\u306a\u308a\u3059\u307e\u3057\u5224\u5b9a\uff08From \u3068 Return-Path \u306e\u4e0d\u4e00\u81f4\u3092\u691c\u51fa\uff09\r\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nfunction isSpoofedEmail(headers) {\r\n  \/\/ headers\u304b\u3089"from"\u3068"return-path"\u3092\u53d6\u5f97\r\n  const fromHeader       = headers["from"] ? headers["from"][0] : null;\r\n  const returnPathHeader = headers["return-path"] ? headers["return-path"][0] : null;\r\n  if (!fromHeader || !returnPathHeader) {\r\n    return { isSpam: false, fromDomain: fromHeader, returnDomain: returnPathHeader };\r\n  }\r\n  \/\/ \u30c9\u30e1\u30a4\u30f3\u62bd\u51fa\uff08PSL\u8003\u616e\u3001\u65e5\u672c\u4e3b\u8981\u8907\u5408TLD\u5bfe\u5fdc\uff09\r\n  const fromDomain   = extractDomainFromHeader(fromHeader);\r\n  const returnDomain = extractDomainFromHeader(returnPathHeader);\r\n  if (!fromDomain || !returnDomain) {\r\n    return { isSpam: false, fromDomain, returnDomain };\r\n  }\r\n  \/\/ \u5224\u5b9a\u7d50\u679c\u3092\u8fd4\u3059\u3002\r\n  const isSpam = fromDomain !== returnDomain;\r\n  return { isSpam, fromDomain, returnDomain };\r\n}\r\n<\/pre>\n
\u30105\u3011JavaScript\u30b3\u30fc\u30c9\u306e\u30c7\u30d0\u30c3\u30b0\u74b0\u5883<\/h1>\n
JavaScript\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30c7\u30d0\u30c3\u30b0\u3057\u305f\u3044\u5834\u5408\u3001\u666e\u6bb5\u4f7f\u3063\u3066\u3044\u308b Web\u30d6\u30e9\u30a6\u30b6\u306e
\nJavaScript\u30b3\u30f3\u30bd\u30fc\u30eb<\/span> \u3092\u4f7f\u3048\u3070\u3088\u3044\u3002\u3044\u308f\u3086\u308b Shell\u3060\u3002<\/p>\n
\u4ee5\u4e0b\u3001FireFox\u3092\u4f7f\u3046\u5834\u5408\u306e\u624b\u9806\u3092\u8a18\u9332\u3057\u3066\u304a\u304f\u3002<\/p>\n
(1) \u958b\u767a\u8005\u30c4\u30fc\u30eb\u3092\u8d77\u52d5\u3059\u308b\u3002<\/h3>\n
\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306e\u64cd\u4f5c\u3067\u8d77\u52d5\u3059\u308b\u3002
\n\u65b9\u6cd51\uff1a [F12] \u30ad\u30fc\u62bc\u4e0b
\n\u65b9\u6cd52\uff1a [Ctrl] + [Shift] + [j] \u30ad\u30fc\u62bc\u4e0b
\n\u65b9\u6cd53\uff1a \u753b\u9762\u4e0a\u3067 [\u53f3\u30af\u30ea\u30c3\u30af] \u2192 [\u8abf\u67fb] \u2192 [\u30b3\u30f3\u30bd\u30fc\u30eb]\u3000\u304a\u52e7\u3081<\/span>
\n\u65b9\u6cd54\uff1a \u30e1\u30cb\u30e5\u30fc\u304b\u3089 [\u305d\u306e\u4ed6\u306e\u30c4\u30fc\u30eb] \u2192 [\u30d6\u30e9\u30a6\u30b6\u30b3\u30f3\u30bd\u30fc\u30eb]<\/p>\n
\u3053\u3093\u306a\u753b\u9762\u304c\u8d77\u52d5\u3059\u308b\u3002
\n\"\"<\/p>\n
(2) \u30c7\u30d0\u30c3\u30b0\u3059\u308b\u3002<\/h3>\n
\u4f8b\u3048\u3070\u3001\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306e\u4e2d\u306e\u95a2\u6570 extractDomainFromHeader() \u3092\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3002
\n\u307e\u305a\u306f\u3001\u95a2\u6570\u3092\u307e\u308b\u3054\u3068\u30da\u30bf\u30c3\u3068\u8cbc\u308a\u4ed8\u3051\u308b\u3002<\/p>\n
\"\"<\/p>\n
\u30b3\u30f3\u30bd\u30fc\u30eb\u4e0a\u3067\u3001\u5f15\u6570\u3092\u6307\u5b9a\u3057\u3066\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u307f\u308b\u3002
\n\u4f8b\u3048\u3070\u3001ebookjapan@mail.yahoo.co.jp \u306e\u30c9\u30e1\u30a4\u30f3\u3092\u62bd\u51fa\u3057\u3066\u307f\u308b\u3068\u30fb\u30fb\u30fb<\/p>\n
\"\"
\nOK\u3060\u3002yahoo.co.jp \u3092\u62bd\u51fa\u3067\u304d\u305f\u3002<\/p>\n
\u30106\u3011Add-on\u767b\u9332<\/h1>\n
1) \u307e\u3060\u958b\u767a\u4e2d\u306e\u5834\u5408<\/h2>\n
(1) [\u30c4\u30fc\u30eb]\uff0d[\u958b\u767a\u30c4\u30fc\u30eb]\uff0d[\u30a2\u30c9\u30aa\u30f3\u3092\u30c7\u30d0\u30c3\u30b0]\u30e1\u30cb\u30e5\u30fc\u3092\u9078\u629e\u3059\u308b\u3002
\n\u3000\u3000\u2192 \u30c7\u30d0\u30c3\u30ac\u30fc\u753b\u9762\u304c\u958b\u304f\u3002<\/p>\n
(2) [\u4e00\u6642\u7684\u306a\u30a2\u30c9\u30aa\u30f3\u3092\u8aad\u307f\u8fbc\u3080…]\u30e1\u30cb\u30e5\u30fc\u3092\u9078\u629e\u3057\u3001\u524d\u8ff0\u306e manifest.json \u3092\u8aad\u307f\u8fbc\u3080\u3002
\n\u3000\u3000\u2192 \u81ea\u4f5c\u306e Add-on\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5b9f\u884c\u3055\u308c\u308b\u3002<\/p>\n
2) \u5b8c\u6210\u3057\u305f\u7269\u3092\u7d44\u307f\u8fbc\u3080\u5834\u5408<\/h2>\n
(1) \u4e0a\u8a18\u306e 2\u30d5\u30a1\u30a4\u30eb\u3092 ZIP\u30d5\u30a1\u30a4\u30eb\u306b\u307e\u3068\u3081\u308b\u3002
\n(2) ZIP\u30d5\u30a1\u30a4\u30eb\u306e\u62e1\u5f35\u5b50\u3092 .xpi \u306b\u5909\u66f4\u3059\u308b\u3002
\n(3) [\u4e09]\uff0d[\u30a2\u30c9\u30aa\u30f3\u3068\u30c6\u30fc\u30de]\u30e1\u30cb\u30e5\u30fc\u3092\u9078\u629e\u3057\u3001\u30a2\u30c9\u30aa\u30f3\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u958b\u304f\u3002
\n(4) [\u6b6f\u8eca]\uff0d[\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30a2\u30c9\u30aa\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb]\u30e1\u30cb\u30e5\u30fc\u3092\u9078\u629e\u3057\u3001\u4e0a\u8a18(2)\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3002
\n\u4ee5\u4e0a<\/p>\n
\u30d7\u30ed\u30b0\u30e9\u30e0\u4e2d\u3067 console.log() \u3057\u305f\u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u306f\u3001Thunderbird\u306e\u958b\u767a\u8005\u7528\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3055\u308c\u308b\u3002<\/p>\n
\u30107\u3011\u4eca\u5f8c\u306e\u4e88\u5b9a<\/h1>\n
\u73fe\u5728\u3001Thunderbird\u4e0a\u3067 20\u8d85\u306e\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f75\u7528\u3057\u3066\u3044\u308b\u3002
\n\u5404\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u540c\u3058\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30a3\u30eb\u30bf\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u304c\u3001\u306a\u304b\u306a\u304b\u624b\u9593\u304c\u304b\u304b\u308b\u3002
\n\u4eca\u56de\u4f5c\u6210\u3057\u305f Add-on\u306b\u8272\u3005\u306a\u30d5\u30a3\u30eb\u30bf\u30fc\u6a5f\u80fd\u3092\u8ffd\u52a0\u5b9f\u88c5\u3057\u3001
\n\u5168\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u5171\u901a\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u3057\u3066\u4f7f\u3044\u305f\u3044\u3002<\/span><\/p>\n
\u6700\u8fd1\u306e SPAM\u30e1\u30fc\u30eb\u306f\u3001
\nSPF=pass, DKIM=pass\u3092\u72d9\u3063\u3066\u3001\u6b63\u3005\u5802\u3005\u3068\u4e0d\u6b63\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u8868\u9762\u306b\u51fa\u3057\u3066\u304f\u308b\u3002<\/span>
\n\u3064\u307e\u308a\u3001\u30e1\u30fc\u30eb\u306e\u8868\u984c\u3068\u6587\u9762\u306b\u306f amazon, \u697d\u5929, \u4e09\u4e95\u4f4f\u53cb, JCB\u306a\u3069\u3068\u66f8\u3044\u3066\u3042\u308b\u304c\u3001
\nFrom, Return-path, DKIM-Signature \u306b\u306f\u6b63\u3005\u5802\u3005\u3068\u30a4\u30f3\u30c1\u30ad\u30e1\u30a2\u30c9\u304c\u66f8\u3044\u3066\u3042\u308b\u306e\u3060\u3002
\n\u3053\u308c\u3078\u306e\u5bfe\u7b56\u3082\u8003\u3048\u306a\u304f\u3066\u306f\u30fb\u30fb\u30fb
\nAI\u306b\u5b66\u7fd2\u3055\u305b\u3066Spam\u5224\u5b9a\u3055\u305b\u308b\u624b\u3082\u3042\u308b\u3002
\n\u3053\u306e\u5224\u5b9a\u30a8\u30f3\u30b8\u30f3\u90e8\u5206\u3092 Add-on\u30b3\u30fc\u30c9\u304b\u3089\u547c\u3073\u51fa\u305b\u3070\u3088\u3044\u306e\u3060\u3002
\n\u3044\u3064\u304b\u3084\u3063\u3066\u307f\u3088\u3046\u3002<\/p>\n
\u30108\u3011\u6240\u611f<\/h1>\n
Add-on\u5b9f\u88c5\u306f\u96e3\u3057\u304f\u306a\u304b\u3063\u305f\u3002
\nJavaScript\u3067 Thunderbird API\u3092\u4f7f\u3046<\/span> \u3060\u3051\u3060\u3063\u305f\u3002<\/p>\n
\u4eca\u56de\u4f5c\u3063\u305f Add-on\u3092\u8a2d\u7f6e\uff06\u904b\u7528\u958b\u59cb\u5f8c\u306b\u6c17\u3065\u3044\u305f\u306e\u3060\u304c\u3001
\nSPAM\u3058\u3083\u306a\u3044\u30e1\u30fc\u30eb\u3067\u3082\u3001From \u3068 Return-Path \u304c\u7570\u306a\u308b\u30e1\u30fc\u30eb\u304c\u7d50\u69cb\u591a\u3044\u30fb\u30fb\u30fb<\/span>
\n\u3064\u307e\u308a\u3001SPAM\u3058\u3083\u306a\u3044\u306e\u306b\u30b4\u30df\u7bb1\u306b\u79fb\u52d5\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u591a\u3005\u3042\u308b\u3002
\n\u3044\u308f\u3086\u308b Precision vs Recall \u554f\u984c\u3060\u3002<\/p>\n
\u3069\u3046\u3057\u3088\u3046\u304b\u30fb\u30fb\u30fb
\n\u307e\u3060\u672a\u6295\u7a3f\u3060\u304c\u3001\u3053\u308c\u306b\u5bfe\u3057\u3066\u306f whitelist\uff08\uff1dallowed list\uff09\u3092\u4f7f\u3063\u3066\u901a\u904e\u3055\u305b\u308b\u3088\u3046\u306b\u5b9f\u88c5\u3057\u305f\u3002
\n\u73fe\u5728\u306f JSON\u30d5\u30a1\u30a4\u30eb\u306b whitelist\u3092\u66f8\u3044\u3066\u3044\u308b\u304c\u3001
\n\u3053\u308c\u3092\u30aa\u30d7\u30b7\u30e7\u30f3\u753b\u9762\u4e0a\u3067\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u6539\u826f\u3057\u305f\u3044\u3002<\/span>
\n\u3053\u308c\u304c\u51fa\u6765\u305f\u3089\u6295\u7a3f\u3057\u3088\u3046\u3002<\/p>\n
\u30109\u3011\u53c2\u8003\u60c5\u5831<\/h1>\n
\u516c\u5f0f\u30b5\u30f3\u30d7\u30eb\u96c6\uff1a https:\/\/github.com\/thunderbird\/webext-examples
\n\"\"<\/a><\/p>\n
\n","protected":false},"excerpt":{"rendered":"
\u30101\u3011\u73fe\u72b6\u306e\u554f\u984c\u70b9 Thunderbird\u4e0a\u3067\u300126\u500b\u306e\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002 \u305d\u308c\u305e\u308c\u306e\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u3064\u3044\u3066 SPF\u30c1\u30a7\u30c3\u30af\u3001DKIM\u30c1\u30a7\u30c3\u30af\u3001\u305d\u306e\u4ed6\u8af8\u3005\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u3092\u5b9f\u884c\u3057\u305f\u3044\u306e\u3060\u304c\u3001 Thund\u2026 \u7d9a\u304d\u3092\u8aad\u3080 »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[162,161],"tags":[],"class_list":["post-3977","post","type-post","status-publish","format-standard","hentry","category-javascript","category-thunderbird"],"views":1201,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/posts\/3977","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/comments?post=3977"}],"version-history":[{"count":98,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/posts\/3977\/revisions"}],"predecessor-version":[{"id":4119,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/posts\/3977\/revisions\/4119"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/media?parent=3977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/categories?post=3977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/linux\/wp-json\/wp\/v2\/tags?post=3977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}