{"id":587,"date":"2025-09-26T19:49:46","date_gmt":"2025-09-26T10:49:46","guid":{"rendered":"https:\/\/f-pat.com\/topics\/?p=587"},"modified":"2025-09-26T19:55:42","modified_gmt":"2025-09-26T10:55:42","slug":"%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e3%81%ae%e6%9c%80%e5%89%8d%e7%b7%9a%ef%bc%9a%e3%81%aa%e3%81%9c%e3%80%8cdkim-%e3%83%a1%e3%83%bc%e3%83%ab%e3%80%8d%e3%81%8c%e4%bb%8a%e6%b1%82","status":"publish","type":"post","link":"https:\/\/f-pat.com\/topics\/?p=587","title":{"rendered":"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6700\u524d\u7dda\uff1a\u306a\u305c\u300cDKIM \u30e1\u30fc\u30eb\u300d\u304c\u4eca\u6c42\u3081\u3089\u308c\u308b\u306e\u304b"},"content":{"rendered":"
\n

\u306f\u3058\u3081\u306b<\/h2>\n

\"\"\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u751f\u6d3b\u3084\u30d3\u30b8\u30cd\u30b9\u306b\u6b20\u304b\u305b\u306a\u3044\u3082\u306e\u3068\u306a\u3063\u305f\u4eca\u3001\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u30ea\u30b9\u30af\u306f\u65e5\u3005\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u7279\u306b\u8eab\u8fd1\u3067\u6df1\u523b\u306a\u8105\u5a01\u304c\u300c\u30e1\u30fc\u30eb\u300d\u3067\u3059\u3002\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u3084\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306f\u3001\u500b\u4eba\u60c5\u5831\u306e\u6d41\u51fa\u3084\u4f01\u696d\u306e\u4fe1\u7528\u5931\u589c\u306b\u3064\u306a\u304c\u308b\u91cd\u5927\u306a\u554f\u984c\u3067\u3059\u3002\u3053\u3046\u3057\u305f\u80cc\u666f\u304b\u3089\u6ce8\u76ee\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u3001\u300cDKIM \u30e1\u30fc\u30eb\u300d<\/strong>\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001DKIM\u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u91cd\u8981\u306a\u306e\u304b\u3001\u305d\u3057\u3066\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3069\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u306e\u304b\u3092\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<\/p><\/div>\n

\n

\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u73fe\u72b6<\/h2>\n

\u30e1\u30fc\u30eb\u306f\u6700\u3082\u53e4\u304f\u304b\u3089\u4f7f\u308f\u308c\u3066\u3044\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u306e\u4e00\u3064\u3067\u3059\u304c\u3001\u305d\u306e\u4ed5\u7d44\u307f\u306f\u9a5a\u304f\u307b\u3069\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u9001\u4fe1\u8005\u306e\u60c5\u5831\u306f\u57fa\u672c\u7684\u306b\u30c6\u30ad\u30b9\u30c8\u3067\u6307\u5b9a\u3067\u304d\u308b\u305f\u3081\u3001\u60aa\u610f\u3042\u308b\u653b\u6483\u8005\u306f\u7c21\u5358\u306b\u300c\u306a\u308a\u3059\u307e\u3057\u300d\u3092\u884c\u3048\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6709\u540d\u4f01\u696d\u3084\u9280\u884c\u3092\u88c5\u3063\u305f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u306f\u3001\u898b\u305f\u76ee\u304c\u672c\u7269\u305d\u3063\u304f\u308a\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u3060\u307e\u3057\u3066\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3055\u305b\u308b\u3053\u3068\u3067\u88ab\u5bb3\u3092\u62e1\u5927\u3057\u307e\u3059\u3002<\/p>\n

\u3053\u3046\u3057\u305f\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u305f\u6280\u8853\u306e\u3072\u3068\u3064\u304c\u3001SPF\uff08Sender Policy Framework\uff09\u3001\u305d\u3057\u3066\u3082\u3046\u3072\u3068\u3064\u304c\u4eca\u56de\u306e\u30c6\u30fc\u30de\u3067\u3042\u308bDKIM\uff08DomainKeys Identified Mail\uff09<\/strong>\u3067\u3059\u3002<\/p>\n<\/p><\/div>\n

\n

DKIM \u30e1\u30fc\u30eb\u3068\u306f\uff1f<\/h2>\n

DKIM \u30e1\u30fc\u30eb\u3068\u306f\u3001\u9001\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u4e0e\u3057\u3001\u53d7\u4fe1\u5074\u304c\u305d\u306e\u7f72\u540d\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u3067\u300c\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u300c\u6b63\u3057\u3044\u9001\u4fe1\u5143\u304b\u3089\u5c4a\u3044\u305f\u300d\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002
\n \u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u6d41\u308c\u3067\u52d5\u4f5c\u3057\u307e\u3059\uff1a<\/p>\n

    \n
  • \u9001\u4fe1\u5074\uff08\u30c9\u30e1\u30a4\u30f3\u6240\u6709\u8005\uff09<\/strong>\u304c\u79d8\u5bc6\u9375\u3067\u7f72\u540d\u3092\u884c\u3044\u3001\u30e1\u30fc\u30eb\u306bDKIM\u30d8\u30c3\u30c0\u3092\u4ed8\u52a0\u3059\u308b\u3002<\/li>\n
  • \u53d7\u4fe1\u5074\uff08\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\uff09<\/strong>\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306eDNS\u306b\u516c\u958b\u3055\u308c\u305f\u516c\u958b\u9375\u3092\u53c2\u7167\u3057\u3066\u7f72\u540d\u3092\u691c\u8a3c\u3059\u308b\u3002<\/li>\n
  • \u7f72\u540d\u304c\u6b63\u3057\u3051\u308c\u3070\u300c\u4fe1\u983c\u3067\u304d\u308b\u30e1\u30fc\u30eb\u300d\u3068\u5224\u65ad\u3057\u3001\u6539\u3056\u3093\u3084\u306a\u308a\u3059\u307e\u3057\u306e\u53ef\u80fd\u6027\u3092\u4f4e\u6e1b\u3059\u308b\u3002<\/li>\n<\/ul>\n

    \u3053\u306e\u3088\u3046\u306b\u3001DKIM\u306f\u516c\u958b\u9375\u6697\u53f7\u65b9\u5f0f\u3092\u5229\u7528\u3057\u3066\u304a\u308a\u3001\u6697\u53f7\u6280\u8853\u306b\u3088\u3063\u3066\u9001\u4fe1\u8005\u306e\u6b63\u5f53\u6027\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5b8c\u5168\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<\/p><\/div>\n

    \n

    \u306a\u305c DKIM \u30e1\u30fc\u30eb\u304c\u5fc5\u8981\u306a\u306e\u304b<\/h2>\n

    1. \u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56<\/h3>\n

    \u9280\u884c\u3084EC\u30b5\u30a4\u30c8\u3092\u88c5\u3063\u305f\u8a50\u6b3a\u30e1\u30fc\u30eb\u306f\u5f8c\u3092\u7d76\u3061\u307e\u305b\u3093\u3002DKIM\u3092\u5c0e\u5165\u3057\u3066\u3044\u308c\u3070\u3001\u6b63\u898f\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u304b\u3069\u3046\u304b\u3092\u53d7\u4fe1\u8005\u304c\u5224\u65ad\u3067\u304d\u3001\u5229\u7528\u8005\u3092\u5b88\u308b\u5927\u304d\u306a\u6b66\u5668\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    2. \u6539\u3056\u3093\u9632\u6b62<\/h3>\n

    \u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u7d4c\u8def\u3067\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u30ea\u30b9\u30af\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d8\u30c3\u30c0\u3084\u672c\u6587\u304c\u9014\u4e2d\u3067\u5909\u66f4\u3055\u308c\u308c\u3070\u7f72\u540d\u304c\u4e00\u81f4\u3057\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u306f\u691c\u51fa\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

    3. \u4fe1\u983c\u6027\u306e\u5411\u4e0a<\/h3>\n

    \u4f01\u696d\u306b\u3068\u3063\u3066\u3001\u9867\u5ba2\u306b\u9001\u308b\u30e1\u30fc\u30eb\u304c\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u300d\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u306e\u306f\u81f4\u547d\u7684\u3067\u3059\u3002DKIM \u30e1\u30fc\u30eb\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u304c\u30b9\u30d1\u30e0\u30d5\u30a9\u30eb\u30c0\u306b\u5165\u308b\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3057\u3001\u5230\u9054\u7387\u3092\u9ad8\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n

    4. \u4e3b\u8981\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5fc5\u9808\u5316<\/h3>\n

    \u6700\u8fd1\u306fGmail\u3084Yahoo\u30e1\u30fc\u30eb\u306a\u3069\u3001\u5927\u624b\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u30e1\u30fc\u30eb\u53d7\u4fe1\u30dd\u30ea\u30b7\u30fc\u3092\u53b3\u683c\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306b2024\u5e74\u4ee5\u964d\u3001\u3053\u308c\u3089\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u306fDKIM\u3084SPF\u306e\u8a2d\u5b9a\u304c\u306a\u3044\u9001\u4fe1\u30e1\u30fc\u30eb\u306f\u53d7\u4fe1\u62d2\u5426\u3001\u307e\u305f\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u6271\u3044\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u6025\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001DKIM\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u4f01\u696d\u3084\u30b5\u30fc\u30d3\u30b9\u306f\u300c\u9867\u5ba2\u306b\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u3089\u308c\u306a\u3044\u300d\u3068\u3044\u3046\u81f4\u547d\u7684\u306a\u30ea\u30b9\u30af\u3092\u62b1\u3048\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n

    5. DMARC\u3068\u306e\u9023\u643a<\/h3>\n

    DKIM\u5358\u4f53\u3067\u3082\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u304c\u3001SPF\u3084DMARC\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3088\u308a\u5f37\u56fa\u306a\u8a8d\u8a3c\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u5b8c\u6210\u3057\u307e\u3059\u3002\u7279\u306bDMARC\u306f\u300c\u30dd\u30ea\u30b7\u30fc\u300d\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u305f\u3081\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u6271\u3044\u3092\u7d71\u4e00\u7684\u306b\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/p><\/div>\n

    \n

    DKIM\u306e\u5c0e\u5165\u624b\u9806\uff08\u6982\u8981\uff09<\/h2>\n

    \u300cDKIM \u30e1\u30fc\u30eb\u300d\u3092\u5c0e\u5165\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

      \n
    1. \u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u5bfe\u5fdc\u78ba\u8a8d<\/span>
      \u4f7f\u7528\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3084\u30b5\u30fc\u30d3\u30b9\uff08Gmail\u3001Microsoft 365\u3001\u72ec\u81ea\u30b5\u30fc\u30d0\u30fc\u306a\u3069\uff09\u304cDKIM\u7f72\u540d\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n
    2. \u9375\u306e\u751f\u6210<\/span>
      \u79d8\u5bc6\u9375\u3068\u516c\u958b\u9375\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u79d8\u5bc6\u9375\u306f\u30b5\u30fc\u30d0\u30fc\u3067\u7f72\u540d\u306b\u4f7f\u7528\u3057\u3001\u516c\u958b\u9375\u306fDNS\u306b\u767b\u9332\u3057\u307e\u3059\u3002<\/li>\n
    3. DNS\u306b\u516c\u958b\u9375\u3092\u8a2d\u5b9a<\/span>
      TXT\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u3066\u516c\u958b\u9375\u3092\u767b\u9332\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u6307\u5b9a\u3059\u308b\u300c\u30bb\u30ec\u30af\u30bf\u300d\u3068\u547c\u3070\u308c\u308b\u8b58\u5225\u5b50\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n
    4. \u30b5\u30fc\u30d0\u30fc\u5074\u3067\u7f72\u540d\u3092\u6709\u52b9\u5316<\/span>
      \u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306bDKIM\u7f72\u540d\u3092\u4ed8\u4e0e\u3059\u308b\u3088\u3046\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n
    5. \u52d5\u4f5c\u78ba\u8a8d<\/span>
      Gmail\u3084\u5c02\u9580\u306e\u691c\u8a3c\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001\u7f72\u540d\u304c\u6b63\u3057\u304f\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ol><\/div>\n
      \n

      \u4f01\u696d\u306b\u304a\u3051\u308b\u5b9f\u8df5\u7684\u306a\u30e1\u30ea\u30c3\u30c8<\/h2>\n

      \u4f01\u696d\u3067\u300cDKIM \u30e1\u30fc\u30eb\u300d\u3092\u5c0e\u5165\u3059\u308b\u3068\u3001\u5358\u306a\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u8d85\u3048\u3066\u3001\u30d3\u30b8\u30cd\u30b9\u9762\u3067\u3082\u5927\u304d\u306a\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

      \u9867\u5ba2\u4f53\u9a13\u306e\u6539\u5584<\/h3>\n

      \u6b63\u898f\u306e\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u5165\u3089\u305a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5b89\u5fc3\u3057\u3066\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308c\u308b\u3002\u7d50\u679c\u3068\u3057\u3066\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u3084\u958b\u5c01\u7387\u3082\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n

      \u30d6\u30e9\u30f3\u30c9\u4fdd\u8b77<\/h3>\n

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        \n
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        \n

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