{"id":21462,"date":"2026-03-18T09:37:26","date_gmt":"2026-03-18T00:37:26","guid":{"rendered":"https:\/\/blastmail.jp\/blog\/?p=21462"},"modified":"2026-03-18T09:37:58","modified_gmt":"2026-03-18T00:37:58","slug":"ip-reputation","status":"publish","type":"post","link":"https:\/\/blastmail.jp\/blog\/spam\/ip-reputation","title":{"rendered":"IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u6539\u5584\u3059\u308b5\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u89e3\u8aac"},"content":{"rendered":"<p><!-- WordPress \u30af\u30e9\u30b7\u30c3\u30af\u30a8\u30c7\u30a3\u30bf\u5bfe\u5fdcHTML --><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2026\/03\/ip-reputation.jpg\" alt=\"IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u6539\u5584\u3059\u308b5\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u89e3\u8aac\" width=\"1408\" height=\"768\" 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href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2023\/01\/bm_banner_big_mailsystem_1200x628.png\" alt=\"blastmail\u306e\u30d0\u30ca\u30fc\" width=\"1200\" height=\"629\" class=\"alignnone wp-image-19829 size-full\" \/><\/a><\/p>\n<h2>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f\uff1f\u610f\u5473\u30fb\u5b9a\u7fa9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/h2>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff08IP 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href=\"https:\/\/blastengine.jp\/blog_content\/domain-reputation\/\" target=\"_blank\" rel=\"noopener\">\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f\uff1fIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306e\u9055\u3044\u3084\u78ba\u8a8d\u65b9\u6cd5\u3001\u6539\u5584\u65b9\u6cd5\u3092\u89e3\u8aac<\/a><\/p>\n<h2>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u7d44\u307f\u3068\u30b9\u30b3\u30a2\u306e\u7b97\u51fa\u65b9\u6cd5<\/h2>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30b3\u30a2\u306f\u3001\u81a8\u5927\u306a\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u89b3\u70b9\u304b\u3089\u7d44\u307f\u5408\u308f\u305b\u3066\u7b97\u51fa\u3055\u308c\u307e\u3059\u3002\u300cIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u300d\u305d\u308c\u81ea\u4f53\u304c\u4f55\u304b\u7279\u5b9a\u306e\u30ea\u30b9\u30c8\u3092\u6301\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u69d8\u3005\u306a\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u304b\u3089\u53ce\u96c6\u3057\u305f\u60c5\u5831\u3092\u30d9\u30fc\u30b9\u306b\u3001\u30d7\u30e9\u30b9\u8a55\u4fa1\u3068\u30de\u30a4\u30ca\u30b9\u8a55\u4fa1\u3092\u7a4d\u307f\u4e0a\u3052\u305f\u7d50\u679c\u304c\u30b9\u30b3\u30a2\u3068\u3057\u3066\u8868\u308c\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30b3\u30a2\u7b97\u51fa\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u306a\u8981\u7d20<\/h3>\n<p>\u30b9\u30b3\u30a2\u306e\u7b97\u51fa\u306b\u5f71\u97ff\u3059\u308b\u8981\u56e0\u306f\u516c\u5f0f\u306b\u306f\u975e\u516c\u958b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u696d\u754c\u306e\u77e5\u898b\u30fb\u5404\u7a2e\u30c4\u30fc\u30eb\u306e\u60c5\u5831\u304b\u3089\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8981\u7d20\u304c\u8907\u5408\u7684\u306b\u8a55\u4fa1\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"box01\"><span class=\"box-title\">\u9001\u4fe1\u8005\u306e\u914d\u4fe1\u4f5c\u6cd5\u306b\u95a2\u3059\u308b\u3082\u306e<\/span>\n<ul>\n<li>\u904e\u53bb\u306b\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u305f\u5b9f\u7e3e\u304c\u3042\u308b\u304b<\/li>\n<li>\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3078\u306e\u767b\u9332\u6709\u7121<\/li>\n<li>\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\uff08\u30cf\u30cb\u30fc\u30dd\u30c3\u30c8\uff09\u3078\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u5b9f\u7e3e<\/li>\n<li>\u5b58\u5728\u3057\u306a\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u914d\u4fe1\u6570\uff08\u30d0\u30a6\u30f3\u30b9\u7387\uff09<\/li>\n<li>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC\uff09\u306e\u8a2d\u5b9a\u6709\u7121<\/li>\n<li>\u5358\u4e00IP\u304b\u3089\u306e\u77ed\u6642\u9593\u5927\u91cf\u9001\u4fe1\u306e\u6709\u7121<\/li>\n<\/ul>\n<\/div>\n<div class=\"box01\"><span class=\"box-title\">\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u306b\u95a2\u3059\u308b\u3082\u306e<\/span>\n<ul>\n<li>\u30e1\u30fc\u30eb\u306e\u958b\u5c01\u7387<\/li>\n<li>\u30ea\u30f3\u30af\u306e\u30af\u30ea\u30c3\u30af\u7387<\/li>\n<li>\u53d7\u4fe1\u8005\u306b\u3088\u308b\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u300d\u5831\u544a\u306e\u6570<\/li>\n<li>\u53d7\u4fe1\u8005\u304c\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u3067\u306f\u306a\u3044\u300d\u3068\u8a2d\u5b9a\u3057\u305f\u56de\u6570<\/li>\n<\/ul>\n<\/div>\n<p>\u3053\u308c\u3089\u306e\u6307\u6a19\u306f\u3059\u3079\u3066\u9001\u4fe1\u8005\u306e\u4fe1\u983c\u6027\u3092\u793a\u3059\u30b7\u30b0\u30ca\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u7279\u306bGmail\u306a\u3069\u306e\u5927\u624b\u30d7\u30ed\u30d0\u30a4\u30c0\u306f\u3001\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u30b7\u30b0\u30ca\u30eb\u3092\u91cd\u8996\u3059\u308b\u50be\u5411\u304c\u5f37\u307e\u3063\u3066\u304a\u308a\u3001\u30e1\u30fc\u30eb\u306e\u300c\u4e2d\u8eab\u3068\u53d7\u4fe1\u8005\u3068\u306e\u95a2\u9023\u6027\u300d\u304c\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u8a55\u4fa1\u306b\u76f4\u7d50\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30b3\u30a2\u306e\u4e00\u822c\u7684\u306a\u7bc4\u56f2\u3068\u76ee\u5b89<\/h3>\n<p>\u4ee3\u8868\u7684\u306a\u8a55\u4fa1\u30b5\u30fc\u30d3\u30b9\u300cSender Score\u300d\u3067\u306f\u3001\u30b9\u30b3\u30a2\u306f0\u301c100\u306e\u6570\u5024\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u4e00\u822c\u7684\u306b80\u4ee5\u4e0a\u3067\u3042\u308c\u3070\u300c\u826f\u597d\u300d\u3068\u898b\u306a\u3055\u308c\u3001\u30e1\u30fc\u30eb\u304c\u53d7\u4fe1\u30c8\u30ec\u30a4\u306b\u5c4a\u304d\u3084\u3059\u3044\u72b6\u614b\u3067\u3059\u3002\u4e00\u65b9\u3067\u30b9\u30b3\u30a2\u304c\u4f4e\u3044\u307b\u3069\u53b3\u3057\u3044\u30da\u30ca\u30eb\u30c6\u30a3\u3092\u53d7\u3051\u3001\u7279\u306b\u30b9\u30b3\u30a2\u304c50\u4ee5\u4e0b\u306b\u306a\u308b\u3068\u591a\u304f\u306e\u30e1\u30fc\u30eb\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u4e00\u5ea6\u4f4e\u4e0b\u3057\u305fIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30b3\u30a2\u3092\u56de\u5fa9\u3055\u305b\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u56f0\u96e3\u3067\u3001\u9577\u671f\u9593\u306b\u308f\u305f\u308b\u7d99\u7d9a\u7684\u306a\u6539\u5584\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u30b9\u30b3\u30a2\u304c\u4f4e\u4e0b\u3057\u305f\u72b6\u614b\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u300c\u6c5a\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u300d\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u305d\u306e\u72b6\u614b\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u3067\u306e\u914d\u4fe1\u6539\u5584\u306f\u96e3\u3057\u3044\u306e\u304c\u5b9f\u614b\u3067\u3059\u3002<\/p>\n<h2>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u4f4e\u4e0b\u3059\u308b5\u3064\u306e\u539f\u56e0<\/h2>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4f4e\u4e0b\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u884c\u70ba\u304c\u539f\u56e0\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u5584\u610f\u3067\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u3057\u3066\u3044\u308b\u4f01\u696d\u3067\u3082\u3001\u4ee5\u4e0b\u306e\u539f\u56e0\u306b\u3088\u3063\u3066\u610f\u56f3\u305b\u305a\u30b9\u30b3\u30a2\u3092\u4e0b\u3052\u3066\u3057\u307e\u3046\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC\uff09\u304c\u672a\u8a2d\u5b9a<\/h3>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4f4e\u4e0b\u539f\u56e0\u3068\u3057\u3066\u6700\u3082\u6839\u672c\u7684\u306a\u3082\u306e\u306e\u4e00\u3064\u304c\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u672a\u8a2d\u5b9a\u3067\u3059\u3002SPF\uff08Sender Policy Framework\uff09\u3001DKIM\uff08DomainKeys Identified Mail\uff09\u3001DMARC\uff08Domain-based Message Authentication, Reporting, and Conformance\uff09\u306f\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u304c\u6b63\u5f53\u3067\u3042\u308b\u3053\u3068\u3092\u53d7\u4fe1\u5074\u306b\u8a3c\u660e\u3059\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306f\u300c\u3053\u306e\u30e1\u30fc\u30eb\u306f\u672c\u5f53\u306b\u6b63\u898f\u306e\u9001\u4fe1\u8005\u304b\u3089\u6765\u305f\u3082\u306e\u304b\uff1f\u300d\u3068\u5224\u65ad\u3067\u304d\u305a\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u540c\u3058\u6271\u3044\u3092\u53d7\u3051\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u30022024\u5e742\u6708\u306bGoogle\u3068Yahoo!\u304c\u7fa9\u52d9\u5316\u3057\u305f\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u3082\u3001\u3053\u308c\u30893\u3064\u306e\u8a8d\u8a3c\u8a2d\u5b9a\u304c\u5fc5\u9808\u8981\u4ef6\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u3060\u672a\u8a2d\u5b9a\u306e\u5834\u5408\u306f\u65e9\u6025\u306a\u5bfe\u5fdc\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h4>SPF\u3068\u306f<\/h4>\n<p>SPF\uff08Sender Policy Framework\uff09\u306f\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u304c\u6b63\u898f\u306e\u3082\u306e\u304b\u3069\u3046\u304b\u3092\u691c\u8a3c\u3059\u308b\u8a8d\u8a3c\u6280\u8853\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306eDNS\u306bSPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u300c\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u30e1\u30fc\u30eb\u306f\u3069\u306eIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u300d\u3068\u3044\u3046\u60c5\u5831\u3092\u5ba3\u8a00\u3057\u307e\u3059\u3002\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306f\u3053\u306e\u60c5\u5831\u3092\u7167\u5408\u3057\u3001\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044IP\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3092\u306a\u308a\u3059\u307e\u3057\u3068\u3057\u3066\u5224\u65ad\u3057\u307e\u3059\u3002\u672a\u8a2d\u5b9a\u306e\u5834\u5408\u3001\u7b2c\u4e09\u8005\u304c\u3042\u306a\u305f\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u8a50\u79f0\u3057\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u3082\u691c\u77e5\u3067\u304d\u305a\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u4fe1\u983c\u6027\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/spam\/spf-record\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2020\/05\/unnamed.jpg\" alt=\"\u3010\u56f3\u89e3\u3011SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u30fb\u6b63\u3057\u3044\u66f8\u304d\u65b9\u3068\u78ba\u8a8d\u65b9\u6cd5\u3092\u7d39\u4ecb\uff01Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u5fc5\u9808\u77e5\u8b58\" width=\"90\" height=\"46\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">\u3010\u56f3\u89e3\u3011SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u30fb\u6b63\u3057\u3044\u66f8\u304d\u65b9\u3068\u78ba\u8a8d\u65b9\u6cd5\u3092\u7d39\u4ecb\uff01Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u5fc5\u9808\u77e5\u8b58<\/div>\n    <div class=\"blogcard_excerpt\">\u201d\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u201d\u305d\u306e\u304a\u60a9\u307f\u3001\u5b9f\u306fSPF\u30ec\u30b3\u30fc\u30c9\u304c\u539f\u56e0\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 \u300c\u304a\u5ba2\u69d8\u304b\u3089\u300e\u30e1\u30fc\u30eb\u304c\u5c4a\u3044\u3066\u3044\u306a\u3044\u300f\u3068\u8a00\u308f\u308c\u305f\u300d \u300c\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u304c\u306a\u305c\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<h4>DKIM\u3068\u306f<\/h4>\n<p>DKIM\uff08DomainKeys Identified Mail\uff09\u306f\u3001\u30e1\u30fc\u30eb\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u30e1\u30fc\u30eb\u306e\u6539\u3056\u3093\u3092\u691c\u77e5\u3059\u308b\u8a8d\u8a3c\u6280\u8853\u3067\u3059\u3002\u9001\u4fe1\u30b5\u30fc\u30d0\u30fc\u304c\u79d8\u5bc6\u9375\u3067\u30e1\u30fc\u30eb\u672c\u6587\u3084\u30d8\u30c3\u30c0\u30fc\u306b\u7f72\u540d\u3057\u3001\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306fDNS\u306b\u516c\u958b\u3055\u308c\u305f\u516c\u958b\u9375\u3092\u4f7f\u3063\u3066\u7f72\u540d\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u300c\u9001\u4fe1\u5f8c\u306b\u30e1\u30fc\u30eb\u304c\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u300d\u300c\u672c\u5f53\u306b\u6b63\u898f\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u304b\u300d\u3092\u8a3c\u660e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002DKIM\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306f\u4fe1\u983c\u6027\u306e\u6307\u6a19\u304c\u306a\u304f\u3001\u30b9\u30d1\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u5f15\u3063\u304b\u304b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/spam\/dkim-setting\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2024\/06\/dkim-setting-1.png\" alt=\"DKIM\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3068\u6ce8\u610f\u70b9\u3092\u89e3\u8aac\uff01\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u79d8\u8a23\u3068\u306f\uff1f\" width=\"90\" height=\"63\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">DKIM\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3068\u6ce8\u610f\u70b9\u3092\u89e3\u8aac\uff01\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u79d8\u8a23\u3068\u306f\uff1f<\/div>\n    <div class=\"blogcard_excerpt\">\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3057\u3001\u53d7\u4fe1\u8005\u306b\u5b89\u5fc3\u3057\u3066\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u3063\u3066\u3082\u3089\u3046\u305f\u3081\u306b\u306f\u3001DKIM\uff08DomainKeys Identified Mail\uff09\u306e\u8a2d\u5b9a\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<h4>DMARC\u3068\u306f<\/h4>\n<p>DMARC\uff08Domain-based Message Authentication, Reporting, and Conformance\uff09\u306f\u3001SPF\u3068DKIM\u306e\u8a8d\u8a3c\u7d50\u679c\u3092\u3082\u3068\u306b\u3001\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u3092\u3069\u3046\u6271\u3046\u304b\u306e\u30dd\u30ea\u30b7\u30fc\u3092\u5b9a\u3081\u308b\u6280\u8853\u3067\u3059\u3002\u300c\u9694\u96e2\u3059\u308b\uff08quarantine\uff09\u300d\u300c\u62d2\u5426\u3059\u308b\uff08reject\uff09\u300d\u300c\u4f55\u3082\u3057\u306a\u3044\uff08none\uff09\u300d\u306e3\u6bb5\u968e\u3067\u30dd\u30ea\u30b7\u30fc\u3092\u8a2d\u5b9a\u3067\u304d\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u8a8d\u8a3c\u5931\u6557\u306e\u72b6\u6cc1\u3092\u30ec\u30dd\u30fc\u30c8\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u6a5f\u80fd\u3082\u3042\u308a\u3001\u4e0d\u6b63\u5229\u7528\u306e\u65e9\u671f\u767a\u898b\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u30022024\u5e742\u6708\u306eGoogle\u30fbYahoo!\u306e\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u6539\u5b9a\u306b\u3088\u308a\u3001DMARC\u306e\u8a2d\u5b9a\u306f\u5927\u91cf\u9001\u4fe1\u8005\u306b\u5bfe\u3057\u3066\u5fc5\u9808\u8981\u4ef6\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/spam\/dmarc-setup-guide\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2026\/02\/dmarc-setup-guide.jpg\" alt=\"DMARC\u306e\u8a2d\u5b9a\u65b9\u6cd5\u30925\u5206\u3067\u7406\u89e3\uff01\u30ec\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u65b9\u304b\u3089\u78ba\u8a8d\u624b\u9806\u307e\u3067\u5fb9\u5e95\u89e3\u8aac\" width=\"90\" height=\"49\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">DMARC\u306e\u8a2d\u5b9a\u65b9\u6cd5\u30925\u5206\u3067\u7406\u89e3\uff01\u30ec\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u65b9\u304b\u3089\u78ba\u8a8d\u624b\u9806\u307e\u3067\u5fb9\u5e95\u89e3\u8aac<\/div>\n    <div class=\"blogcard_excerpt\">\u300cDMARC\uff08\u30c7\u30a3\u30fc\u30de\u30fc\u30af\uff09\u306e\u8a2d\u5b9a\u306f\u304a\u6e08\u307f\u3067\u3059\u304b\uff1f\u300d\u3082\u3057\u3001\u3053\u306e\u8cea\u554f\u306b\u5373\u7b54\u3067\u304d\u306a\u3044\u3001\u3042\u308b\u3044\u306f\u300cSPF\u3068DKIM\u306f\u3084\u3063\u305f\u3051\u3069\u3001DMARC\u306f\u307e\u3060\u2026\u300d\u3068\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<h3>\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\u3078\u306e\u30e1\u30fc\u30eb\u9001\u4fe1<\/h3>\n<p>\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\uff08\u30cf\u30cb\u30fc\u30dd\u30c3\u30c8\uff09\u3068\u306f\u3001\u30b9\u30d1\u30e0\u9001\u4fe1\u8005\u3092\u7279\u5b9a\u3059\u308b\u76ee\u7684\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u300c\u4f7f\u308f\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u300d\u3067\u3059\u3002\u3053\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u3057\u307e\u3046\u3068\u3001ISP\u3084\u30b9\u30d1\u30e0\u5bfe\u7b56\u6a5f\u95a2\u304b\u3089\u300c\u30b9\u30d1\u30e0\u9001\u4fe1\u8005\u300d\u3068\u8a8d\u5b9a\u3055\u308c\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u5927\u5e45\u306b\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\u3078\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u767a\u751f\u3059\u308b\u306e\u306f\u3001\u4e3b\u306b\u53e4\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u30ea\u30b9\u30c8\u3092\u305d\u306e\u307e\u307e\u4f7f\u3044\u7d9a\u3051\u3066\u3044\u308b\u5834\u5408\u3084\u3001\u30aa\u30d7\u30c8\u30a4\u30f3\uff08\u53d7\u4fe1\u8005\u306e\u660e\u793a\u7684\u306a\u540c\u610f\uff09\u306a\u3057\u306b\u53ce\u96c6\u3057\u305f\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306a\u3069\u3067\u3059\u3002\u5b9a\u671f\u7684\u306a\u30ea\u30b9\u30c8\u306e\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3068\u3001\u30c0\u30d6\u30eb\u30aa\u30d7\u30c8\u30a4\u30f3\u306b\u3088\u308b\u30ea\u30b9\u30c8\u54c1\u8cea\u306e\u78ba\u4fdd\u304c\u6709\u52b9\u306a\u5bfe\u7b56\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u9ad8\u3044\u30d0\u30a6\u30f3\u30b9\u7387\uff08\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u7387\uff09<\/h3>\n<p>\u5b58\u5728\u3057\u306a\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084\u7121\u52b9\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u591a\u767a\u3059\u308b\u3068\u3001\u30d0\u30a6\u30f3\u30b9\uff08\u30a8\u30e9\u30fc\u8fd4\u5374\uff09\u304c\u5897\u52a0\u3057\u307e\u3059\u3002\u30d0\u30a6\u30f3\u30b9\u304c\u591a\u3044IP\u30a2\u30c9\u30ec\u30b9\u306f\u300c\u30e1\u30fc\u30eb\u7ba1\u7406\u304c\u675c\u64b0\u306a\u30b9\u30d1\u30e0\u9001\u4fe1\u8005\u3068\u540c\u69d8\u306e\u884c\u52d5\u30d1\u30bf\u30fc\u30f3\u300d\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3084\u3059\u304f\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4f4e\u4e0b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<p>\u30cf\u30fc\u30c9\u30d0\u30a6\u30f3\u30b9\uff08\u6052\u4e45\u7684\u306b\u5c4a\u304b\u306a\u3044\u7121\u52b9\u30a2\u30c9\u30ec\u30b9\uff09\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u76f4\u3061\u306b\u914d\u4fe1\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\u3059\u308b\u306e\u304c\u539f\u5247\u3067\u3059\u3002\u30bd\u30d5\u30c8\u30d0\u30a6\u30f3\u30b9\uff08\u4e00\u6642\u7684\u306a\u914d\u4fe1\u30a8\u30e9\u30fc\uff09\u306b\u3064\u3044\u3066\u3082\u3001\u8907\u6570\u56de\u9023\u7d9a\u3057\u3066\u30a8\u30e9\u30fc\u306b\u306a\u308b\u5834\u5408\u306f\u9664\u5916\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u53d7\u4fe1\u8005\u304b\u3089\u306e\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u300d\u5831\u544a<\/h3>\n<p>\u53d7\u4fe1\u8005\u304c\u30e1\u30fc\u30eb\u3092\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u3057\u3066\u5831\u544a\u3057\u305f\u4ef6\u6570\u306f\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u76f4\u63a5\u7684\u304b\u3064\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u305f\u3068\u3048\u6b63\u898f\u306e\u624b\u7d9a\u304d\u3067\u767b\u9332\u3055\u308c\u305f\u8aad\u8005\u3067\u3042\u3063\u3066\u3082\u3001\u9001\u4fe1\u983b\u5ea6\u304c\u9ad8\u3059\u304e\u308b\u30fb\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u95a2\u9023\u6027\u304c\u8584\u3044\u30fb\u767b\u9332\u89e3\u9664\u30ea\u30f3\u30af\u304c\u308f\u304b\u308a\u306b\u304f\u3044\u3068\u3044\u3063\u305f\u7406\u7531\u3067\u3001\u53d7\u4fe1\u8005\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Gmail\u306e\u5834\u5408\u3001\u30b9\u30d1\u30e0\u5831\u544a\u7387\u304c0.1%\u3092\u8d85\u3048\u308b\u3068\u914d\u4fe1\u306b\u5f71\u97ff\u304c\u51fa\u59cb\u3081\u30010.3%\u3092\u8d85\u3048\u308b\u3068\u6df1\u523b\u306a\u30da\u30ca\u30eb\u30c6\u30a3\u3092\u53d7\u3051\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u30021,000\u901a\u9001\u4fe1\u3057\u305f\u5834\u5408\u3001\u308f\u305a\u304b3\u901a\u306e\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u3067\u5371\u967a\u6c34\u57df\u306b\u9054\u3059\u308b\u8a08\u7b97\u3067\u3059\u3002<\/p>\n<h3>\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\u306b\u3088\u308b\u4ed6\u30e6\u30fc\u30b6\u30fc\u306e\u5f71\u97ff<\/h3>\n<p>\u4e00\u822c\u7684\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u9001\u4fe1\u7528IP\u30a2\u30c9\u30ec\u30b9\u3092\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u5171\u6709\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u81ea\u793e\u3067\u306f\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u884c\u3063\u3066\u3044\u3066\u3082\u3001\u540c\u3058IP\u30a2\u30c9\u30ec\u30b9\u3092\u5171\u6709\u3057\u3066\u3044\u308b\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u5927\u91cf\u9001\u4fe1\u3057\u305f\u5834\u5408\u3001\u305d\u306eIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u4f4e\u4e0b\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5c02\u7528IP\u30a2\u30c9\u30ec\u30b9\uff08\u56fa\u5b9aIP\uff09\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u3092\u691c\u8a0e\u3059\u308b\u304b\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u9069\u5207\u306b\u884c\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h2>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u78ba\u8a8d\u65b9\u6cd5\uff1a\u4e3b\u8981\u30c4\u30fc\u30eb4\u9078<\/h2>\n<p>\u81ea\u793e\u306eIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u73fe\u72b6\u3092\u628a\u63e1\u3059\u308b\u306b\u306f\u3001\u5c02\u7528\u306e\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u307e\u3059\u3002\u30c4\u30fc\u30eb\u306b\u3088\u3063\u3066\u8a55\u4fa1\u57fa\u6e96\u3084\u7d50\u679c\u306e\u8868\u793a\u65b9\u6cd5\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3059\u308b\u306e\u304c\u7406\u60f3\u7684\u3067\u3059\u3002<\/p>\n<h3>Google Postmaster Tools<\/h3>\n<p>Google\u793e\u304c\u7121\u511f\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3067\u3001Gmail\u3078\u306eIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u8a55\u4fa1\u306f\u300c\u9ad8\u30fb\u4e2d\u30fb\u4f4e\u30fb\u5371\u967a\u300d\u306e4\u6bb5\u968e\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002Gmail\u306f\u65e5\u672c\u56fd\u5185\u3067\u3082\u5229\u7528\u8005\u6570\u304c\u975e\u5e38\u306b\u591a\u3044\u305f\u3081\u3001Google Postmaster Tools\u306e\u30b9\u30b3\u30a2\u306f\u7279\u306b\u91cd\u8981\u306a\u6307\u6a19\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u3092\u6240\u6709\u3057\u3066\u3044\u308c\u3070\u8ab0\u3067\u3082\u7121\u6599\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/postmaster.google.com\/\" target=\"_blank\" rel=\"noopener\">https:\/\/postmaster.google.com\/<\/a><\/p>\n<h3>Sender Score\uff08Validity\uff09<\/h3>\n<p>\u7c73\u56fd\u306e\u30c7\u30fc\u30bf\u54c1\u8cea\u7ba1\u7406\u4f1a\u793eValidity\u793e\uff08\u65e7Return Path\u793e\uff09\u304c\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u904e\u53bb30\u65e5\u9593\u306e\u9001\u4fe1\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b0\u301c100\u306e\u30b9\u30b3\u30a2\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u4e00\u822c\u7684\u306b80\u4ee5\u4e0a\u304c\u5408\u683c\u30ec\u30d9\u30eb\u3068\u3055\u308c\u3066\u304a\u308a\u3001\u5b9f\u969b\u306e\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3068\u306e\u76f8\u95a2\u304c\u9ad8\u3044\u30c4\u30fc\u30eb\u3068\u3057\u3066\u5e83\u304f\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/senderscore.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/senderscore.org\/<\/a><\/p>\n<h3>Microsoft SNDS\uff08Smart Network Data Services\uff09<\/h3>\n<p>Microsoft\u793e\u304c\u63d0\u4f9b\u3059\u308b\u7121\u511f\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002Outlook.com\u3084Hotmail\u306a\u3069\u3001Microsoft\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3078\u306eIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u3057\u3066\u5831\u544a\u3055\u308c\u305f\u5272\u5408\u3084\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\u3078\u306e\u914d\u4fe1\u6570\u306a\u3069\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/sendersupport.olc.protection.outlook.com\/snds\/\" target=\"_blank\" rel=\"noopener\">https:\/\/sendersupport.olc.protection.outlook.com\/snds\/<\/a><\/p>\n<h3>Barracuda Central<\/h3>\n<p>Barracuda Networks\u793e\u304c\u904b\u55b6\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3067\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u540c\u6642\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3078\u306e\u767b\u9332\u72b6\u6cc1\u3082\u78ba\u8a8d\u3067\u304d\u3001\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u305f\u5834\u5408\u306e\u89e3\u9664\u7533\u8acb\u3082\u540c\u30b5\u30a4\u30c8\u304b\u3089\u884c\u3048\u307e\u3059\u3002<\/p>\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/www.barracudacentral.org\/lookups\" target=\"_blank\" rel=\"noopener\">https:\/\/www.barracudacentral.org\/lookups<\/a><\/p>\n<h2>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u9ad8\u3081\u308b\u305f\u3081\u306e6\u3064\u306e\u5bfe\u7b56<\/h2>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u7dad\u6301\u30fb\u5411\u4e0a\u306b\u306f\u3001\u7d99\u7d9a\u7684\u304b\u3064\u8907\u5408\u7684\u306a\u53d6\u308a\u7d44\u307f\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e00\u5ea6\u4e0b\u304c\u3063\u305f\u30b9\u30b3\u30a2\u3092\u623b\u3059\u306b\u306f\u6570\u9031\u9593\u301c\u6570\u30f6\u6708\u306e\u671f\u9593\u3092\u8981\u3059\u308b\u3053\u3068\u3082\u3042\u308b\u305f\u3081\u3001\u666e\u6bb5\u304b\u3089\u4ee5\u4e0b\u306e\u5bfe\u7b56\u3092\u5fb9\u5e95\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\u30fbDKIM\u30fbDMARC\uff09\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308b<\/h3>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u6700\u3082\u57fa\u672c\u7684\u306a\u5bfe\u7b56\u3067\u3059\u3002SPF\u30fbDKIM\u30fbDMARC\u306e3\u3064\u306f\u300c\u9001\u4fe1\u8005\u304c\u672c\u7269\u3067\u3042\u308b\u3053\u3068\u300d\u3092\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306b\u8a3c\u660e\u3059\u308b\u6280\u8853\u3067\u3001\u3053\u308c\u3089\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30b3\u30a2\u304c\u5411\u4e0a\u3057\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u3057\u3066\u8aa4\u5224\u5b9a\u3055\u308c\u308b\u30ea\u30b9\u30af\u3082\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u7279\u306bDMARC\u306f\u3001SPF\u3068DKIM\u306e\u4e21\u65b9\u3092\u30d9\u30fc\u30b9\u3068\u3057\u305f\u9ad8\u5ea6\u306a\u8a8d\u8a3c\u6280\u8853\u3067\u3001\u30dd\u30ea\u30b7\u30fc\u3092\u300creject\uff08\u62d2\u5426\uff09\u300d\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u306a\u308a\u3059\u307e\u3057\u88ab\u5bb3\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Gmail\u3084Yahoo!\u306e2024\u5e74\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u3082\u30011\u65e55,000\u901a\u4ee5\u4e0a\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306b\u306fDMARC\u8a2d\u5b9a\u304c\u5fc5\u9808\u8981\u4ef6\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u914d\u4fe1\u30ea\u30b9\u30c8\u3092\u5b9a\u671f\u7684\u306b\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3059\u308b<\/h3>\n<p>\u30e1\u30fc\u30eb\u3092\u9001\u3063\u3066\u3082\u5c4a\u304b\u306a\u3044\u7121\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3084\u3001\u9577\u671f\u9593\u4e00\u5207\u53cd\u5fdc\u306e\u306a\u3044\u5b9b\u5148\u306f\u5b9a\u671f\u7684\u306b\u914d\u4fe1\u30ea\u30b9\u30c8\u304b\u3089\u524a\u9664\u3057\u307e\u3059\u3002\u30d0\u30a6\u30f3\u30b9\u304c\u591a\u3044\u30ea\u30b9\u30c8\u3092\u4f7f\u3044\u7d9a\u3051\u308b\u3053\u3068\u306f\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u4f4e\u4e0b\u306e\u76f4\u63a5\u7684\u306a\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u52d9\u4e0a\u306e\u76ee\u5b89\u3068\u3057\u3066\u3001\u30cf\u30fc\u30c9\u30d0\u30a6\u30f3\u30b9\u306f\u305d\u306e\u6642\u70b9\u3067\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\u3001\u30bd\u30d5\u30c8\u30d0\u30a6\u30f3\u30b9\u306f2\u301c3\u56de\u9023\u7d9a\u3067\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u9664\u5916\u5bfe\u8c61\u3068\u8003\u3048\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u307e\u305f\u30016\u30f6\u6708\u301c12\u30f6\u6708\u4ee5\u4e0a\u307e\u3063\u305f\u304f\u958b\u5c01\u30fb\u30af\u30ea\u30c3\u30af\u306e\u306a\u3044\u8aad\u8005\u306b\u3064\u3044\u3066\u306f\u3001\u518d\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u8a66\u307f\u3066\u304b\u3089\u3001\u53cd\u5fdc\u304c\u306a\u3051\u308c\u3070\u30ea\u30b9\u30c8\u304b\u3089\u5916\u3059\u3053\u3068\u3082\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30c0\u30d6\u30eb\u30aa\u30d7\u30c8\u30a4\u30f3\u3092\u5c0e\u5165\u3059\u308b<\/h3>\n<p>\u30e1\u30eb\u30de\u30ac\u306e\u65b0\u898f\u767b\u9332\u6642\u306b\u3001\u78ba\u8a8d\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u8cfc\u8aad\u3092\u5b8c\u4e86\u3055\u305b\u308b\u300c\u30c0\u30d6\u30eb\u30aa\u30d7\u30c8\u30a4\u30f3\u300d\u306e\u4ed5\u7d44\u307f\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7121\u52b9\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\u306e\u30ea\u30b9\u30c8\u3078\u306e\u6df7\u5165\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30b7\u30f3\u30b0\u30eb\u30aa\u30d7\u30c8\u30a4\u30f3\uff08\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u5165\u529b\u3060\u3051\u3067\u767b\u9332\u5b8c\u4e86\uff09\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u5165\u529b\u30df\u30b9\u3084\u7b2c\u4e09\u8005\u306b\u3088\u308b\u30a2\u30c9\u30ec\u30b9\u767b\u9332\u306a\u3069\u306e\u30ea\u30b9\u30af\u304c\u6392\u9664\u3055\u308c\u308b\u305f\u3081\u3001\u30ea\u30b9\u30c8\u306e\u54c1\u8cea\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d0\u30a6\u30f3\u30b9\u7387\u306e\u4f4e\u4e0b\u3068\u30b9\u30d1\u30e0\u5831\u544a\u7387\u306e\u6291\u5236\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h3>\u9001\u4fe1\u983b\u5ea6\u30fb\u9001\u4fe1\u91cf\u3092\u9069\u5207\u306b\u7ba1\u7406\u3059\u308b<\/h3>\n<p>\u540c\u4e00IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u77ed\u6642\u9593\u30fb\u5927\u91cf\u914d\u4fe1\u306f\u3001\u30b9\u30d1\u30de\u30fc\u306b\u5178\u578b\u7684\u306a\u6319\u52d5\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u307e\u3059\u3002\u7279\u306b\u65b0\u3057\u3044IP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3044\u59cb\u3081\u308b\u5834\u5408\u3001\u3044\u304d\u306a\u308a\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3068\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5373\u5ea7\u306b\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\uff08\u914d\u4fe1\u5236\u9650\uff09\u3084\u30d6\u30ed\u30c3\u30af\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u4e8b\u614b\u3092\u9632\u3050\u305f\u3081\u306b\u5b9f\u65bd\u3059\u308b\u306e\u304c<strong>\u300cIP\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u300d<\/strong>\u3067\u3059\u3002IP\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u3068\u306f\u3001\u65b0\u3057\u3044IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u914d\u4fe1\u3092\u59cb\u3081\u308b\u969b\u306b\u3001\u9001\u4fe1\u6570\u3092\u6bb5\u968e\u7684\u306b\u5897\u3084\u3057\u3066IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5f90\u3005\u306b\u7a4d\u307f\u4e0a\u3052\u3066\u3044\u304f\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u30021\u9031\u76ee\u306f\u6570\u767e\u301c\u6570\u5343\u901a\u30012\u9031\u76ee\u306f\u6570\u5343\u301c1\u4e07\u901a\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u6570\u9031\u9593\u301c\u6570\u30f6\u6708\u304b\u3051\u3066\u9001\u4fe1\u6570\u3092\u5897\u3084\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>\u53d7\u4fe1\u8005\u306b\u3068\u3063\u3066\u4fa1\u5024\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3059\u308b<\/h3>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u300c\u9001\u4fe1\u8005\u306e\u884c\u52d5\u5b9f\u7e3e\u300d\u3060\u3051\u3067\u306a\u304f\u3001\u300c\u53d7\u4fe1\u8005\u306e\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u300d\u306b\u3088\u3063\u3066\u3082\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002\u958b\u5c01\u7387\u3084\u30af\u30ea\u30c3\u30af\u7387\u304c\u9ad8\u3044\u30e1\u30fc\u30eb\u3092\u7d99\u7d9a\u3057\u3066\u914d\u4fe1\u3059\u308b\u3053\u3068\u306f\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u7dad\u6301\u30fb\u5411\u4e0a\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n<p>\u9006\u306b\u3001\u95a2\u9023\u6027\u306e\u8584\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u983b\u7e41\u306b\u9001\u308a\u7d9a\u3051\u308b\u3068\u3001\u53d7\u4fe1\u8005\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u914d\u4fe1\u30ea\u30b9\u30c8\u3092\u30bb\u30b0\u30e1\u30f3\u30c8\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u53d7\u4fe1\u8005\u306b\u9069\u5207\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5c4a\u3051\u308b\u300c\u30bb\u30b0\u30e1\u30f3\u30c8\u914d\u4fe1\u300d\u306e\u6d3b\u7528\u304c\u3001\u30b9\u30d1\u30e0\u5831\u544a\u7387\u306e\u4f4e\u4e0b\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n<h3>\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3078\u306e\u767b\u9332\u72b6\u6cc1\u3092\u5b9a\u671f\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/h3>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u5927\u304d\u304f\u4f4e\u4e0b\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u306f\u300cSpamhaus\u300d\u300cSpamCop\u300d\u300cSORBS\u300d\u306a\u3069\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u30b5\u30a4\u30c8\u304b\u3089\u81ea\u793e\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4e07\u304c\u4e00\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u305f\u5834\u5408\u306f\u3001\u307e\u305a\u914d\u4fe1\u306e\u554f\u984c\u70b9\u3092\u7279\u5b9a\u30fb\u4fee\u6b63\u3057\u3066\u304b\u3089\u3001\u5404\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u7ba1\u7406\u56e3\u4f53\u306b\u89e3\u9664\u7533\u8acb\u3092\u884c\u3044\u307e\u3059\u3002\u89e3\u9664\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308b\u3053\u3068\u3082\u3042\u308a\u3001\u554f\u984c\u306e\u518d\u767a\u9632\u6b62\u7b56\u3092\u8b1b\u3058\u305f\u4e0a\u3067\u7533\u8acb\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/spam\/blacklist\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2019\/03\/img01.jpg\" alt=\"\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u306e\u306f\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u304c\u539f\u56e0\uff1f3\u3064\u306e\u78ba\u8a8d\u30c4\u30fc\u30eb\u3068Spamhaus\u89e3\u9664\u65b9\u6cd5\" width=\"90\" height=\"60\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u306e\u306f\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u304c\u539f\u56e0\uff1f3\u3064\u306e\u78ba\u8a8d\u30c4\u30fc\u30eb\u3068Spamhaus\u89e3\u9664\u65b9\u6cd5<\/div>\n    <div class=\"blogcard_excerpt\">\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u3057\u307e\u3046\u3068\u3001\u9001\u4fe1\u30e1\u30fc\u30eb\u306f\u307b\u3068\u3093\u3069\u306e\u5b9b\u5148\u306b\u5c4a\u304b\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002 \u305d\u306e\u56de\u907f\u65b9\u6cd5\u3092\u3054\u6848\u5185\u3057\u307e\u3059\u3002<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<h2>\u5171\u6709IP\u3068\u5c02\u7528IP\u306e\u9055\u3044\uff1a\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b<\/h2>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u8a9e\u308b\u4e0a\u3067\u6b20\u304b\u305b\u306a\u3044\u306e\u304c\u3001\u300c\u5171\u6709IP\u300d\u3068\u300c\u5c02\u7528IP\uff08\u56fa\u5b9aIP\uff09\u300d\u306e\u9078\u629e\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u6574\u7406\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<div class=\"su-table su-table-alternate\">\n<table>\n<thead>\n<tr>\n<th>\u6bd4\u8f03\u9805\u76ee<\/th>\n<th>\u5171\u6709IP<\/th>\n<th>\u5c02\u7528IP\uff08\u56fa\u5b9aIP\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30b3\u30b9\u30c8<\/td>\n<td>\u4f4e\u30b3\u30b9\u30c8\uff08\u5171\u6709\u306e\u305f\u3081\uff09<\/td>\n<td>\u6bd4\u8f03\u7684\u9ad8\u30b3\u30b9\u30c8<\/td>\n<\/tr>\n<tr>\n<td>\u4ed6\u30e6\u30fc\u30b6\u30fc\u306e\u5f71\u97ff<\/td>\n<td>\u4ed6\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u3067\u30b9\u30b3\u30a2\u304c\u5909\u52d5\u3059\u308b\u30ea\u30b9\u30af\u3042\u308a<\/td>\n<td>\u4ed6\u30e6\u30fc\u30b6\u30fc\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u69cb\u7bc9<\/td>\n<td>\u30b5\u30fc\u30d3\u30b9\u5074\u304c\u7ba1\u7406\u3059\u308b<\/td>\n<td>\u81ea\u793e\u306e\u914d\u4fe1\u5b9f\u7e3e\u306b\u3088\u3063\u3066\u84c4\u7a4d<\/td>\n<\/tr>\n<tr>\n<td>\u5411\u3044\u3066\u3044\u308b\u7528\u9014<\/td>\n<td>\u5c11\u91cf\u301c\u4e2d\u91cf\u306e\u914d\u4fe1<\/td>\n<td>\u5927\u91cf\u914d\u4fe1\u30fb\u9ad8\u3044\u30ea\u30b9\u30c8\u54c1\u8cea\u3092\u4fdd\u6301\u3059\u308b\u4f01\u696d<\/td>\n<\/tr>\n<tr>\n<td>\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7<\/td>\n<td>\u57fa\u672c\u7684\u306b\u4e0d\u8981<\/td>\n<td>\u65b0\u898f\u53d6\u5f97\u6642\u306f\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u304c\u5fc5\u8981<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u6708\u9593\u6570\u4e07\u901a\u7a0b\u5ea6\u306e\u914d\u4fe1\u3067\u3042\u308c\u3070\u5171\u6709IP\u3067\u5341\u5206\u306a\u30b1\u30fc\u30b9\u3082\u591a\u3044\u3067\u3059\u304c\u3001\u6570\u5341\u4e07\u301c\u6570\u767e\u4e07\u901a\u898f\u6a21\u306b\u306a\u308b\u3068\u5c02\u7528IP\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u5171\u6709IP\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u9069\u5207\u306b\u884c\u3063\u3066\u3044\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u3076\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h2>Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306e\u95a2\u4fc2\uff1a2024\u5e74\u4ee5\u964d\u306b\u5909\u308f\u3063\u305f\u3053\u3068<\/h2>\n<p>2024\u5e742\u6708\u3001Google\u3068Yahoo!\u306f\u65b0\u305f\u306a\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u65bd\u884c\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u30011\u65e55,000\u901a\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u4e8b\u696d\u8005\u306b\u5bfe\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u5bfe\u5fdc\u304c\u7fa9\u52d9\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>SPF\u30fbDKIM\u30fbDMARC\u306e\u8a2d\u5b9a\uff08\u5168\u9001\u4fe1\u8005\u306b\u63a8\u5968\u3001\u5927\u91cf\u9001\u4fe1\u8005\u306b\u306f\u5fc5\u9808\uff09<\/li>\n<li>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387\u30920.3%\u4ee5\u4e0b\u306b\u7dad\u6301\u3059\u308b\u3053\u3068<\/li>\n<li>\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u767b\u9332\u89e3\u9664\u3067\u304d\u308b\u6a5f\u80fd\uff08List-Unsubscribe\u30d8\u30c3\u30c0\u30fc\uff09\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n<\/div>\n<p>\u3053\u308c\u3089\u306e\u8981\u4ef6\u306f\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u7dad\u6301\u3068\u5bc6\u63a5\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u73870.3%\u8d85\u3084\u8a8d\u8a3c\u672a\u8a2d\u5b9a\u306e\u72b6\u614b\u304c\u7d9a\u304f\u3068\u3001Gmail\u3078\u306e\u30e1\u30fc\u30eb\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u3060\u3051\u3067\u306a\u304fIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u81ea\u4f53\u3082\u4f4e\u4e0b\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u307e\u305f\u30011\u65e55,000\u901a\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u300c\u5927\u91cf\u9001\u4fe1\u8005\u300d\u306b\u5bfe\u3057\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8981\u4ef6\u304c\u53b3\u683c\u306b\u9069\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>1\u65e55,000\u901a\u306e\u58c1\u3068\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u30fb\u30b9\u30d1\u30e0\u7387\u306e\u53b3\u683c\u5316<\/h3>\n<p>\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u76ee\u7389\u306e\u4e00\u3064\u304c\u3001\u8a8d\u8a3c\u8981\u4ef6\u3068\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387\uff08\u30b9\u30d1\u30e0\u7387\uff09\u306e\u53b3\u683c\u306a\u57fa\u6e96\u3067\u3059\u30021\u65e55,000\u901a\u4ee5\u4e0a\u3092\u9001\u4fe1\u3059\u308b\u4e8b\u696d\u8005\u306f\u3001\u300cSPF\u300d\u300cDKIM\u300d\u300cDMARC\u300d\u3068\u3044\u30463\u3064\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u3059\u3079\u3066\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u5fc5\u9808\u3068\u306a\u308a\u307e\u3057\u305f\uff085,000\u901a\u672a\u6e80\u306e\u5834\u5408\u3067\u3082SPF\u307e\u305f\u306fDKIM\u306e\u3044\u305a\u308c\u304b\u304c\u5fc5\u9808\u3067\u3059\uff09\u3002<\/p>\n<p>\u3055\u3089\u306b\u6df1\u523b\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u304c\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387\u300d\u306e\u57fa\u6e96\u3067\u3059\u3002Google Postmaster Tools\u3067\u8a08\u6e2c\u3055\u308c\u308b\u30b9\u30d1\u30e0\u7387\u3092\u5e38\u306b0.1%\u672a\u6e80\u306b\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u30010.3%\u4ee5\u4e0a\u306b\u306a\u308b\u3068\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u62d2\u5426\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u3078\u306e\u9694\u96e2\u304c\u5bb9\u8d66\u306a\u304f\u5b9f\u884c\u3055\u308c\u307e\u3059\u30021,000\u901a\u9001\u3063\u3066\u308f\u305a\u304b3\u4eba\u306b\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3055\u308c\u305f\u3060\u3051\u3067\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u81f4\u547d\u7684\u306a\u30c0\u30e1\u30fc\u30b8\u304c\u5165\u308b\u8a08\u7b97\u3067\u3059\u3002\u4e00\u5ea6\u3053\u306e\u57fa\u6e96\u306b\u62b5\u89e6\u3057\u3066\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u6025\u843d\u3059\u308b\u3068\u3001\u5f8c\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u3092\u4fee\u6b63\u3057\u305f\u3068\u3057\u3066\u3082\u3001\u5143\u306e\u5230\u9054\u7387\u306b\u56de\u5fa9\u3059\u308b\u307e\u3067\u306b\u9577\u3044\u671f\u9593\u3092\u8981\u3059\u308b\u305f\u3081\u7d30\u5fc3\u306e\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h3>\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u767b\u9332\u89e3\u9664\uff08List-Unsubscribe\uff09\u306e\u5b9f\u88c5\u7fa9\u52d9<\/h3>\n<p>\u3082\u3046\u4e00\u3064\u91cd\u8981\u306a\u5909\u66f4\u70b9\u304c\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\u3084\u8cfc\u8aad\u30e1\u30fc\u30eb\u306b\u5bfe\u3059\u308b\u300c\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u306e\u767b\u9332\u89e3\u9664\u300d\u6a5f\u80fd\u306e\u7fa9\u52d9\u5316\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u5358\u306b\u30e1\u30fc\u30eb\u672c\u6587\u306e\u672b\u5c3e\u306b\u300c\u914d\u4fe1\u505c\u6b62\u306f\u3053\u3061\u3089\u300d\u3068\u3044\u3046Web\u30da\u30fc\u30b8\u3078\u306e\u30ea\u30f3\u30af\u3092\u7f6e\u304f\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30e1\u30fc\u30eb\u306e\u30d8\u30c3\u30c0\u30fc\u60c5\u5831\u306b\u7279\u5b9a\u306e\u6280\u8853\u7684\u306a\u8a18\u8ff0\uff08RFC 8058\u306b\u6e96\u62e0\u3057\u305fList-Unsubscribe\u30d8\u30c3\u30c0\u30fc\u306a\u3069\uff09\u3092\u7d44\u307f\u8fbc\u307f\u3001\u53d7\u4fe1\u8005\u304cGmail\u306a\u3069\u306e\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u4e0a\u306b\u8868\u793a\u3055\u308c\u308b\u300c\u767b\u9332\u89e3\u9664\u300d\u30dc\u30bf\u30f3\u3092\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3001\u5373\u5ea7\u306b\u8cfc\u8aad\u89e3\u9664\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8981\u4ef6\u306f\u3001\u4e00\u898b\u3059\u308b\u3068\u300c\u7c21\u5358\u306b\u914d\u4fe1\u89e3\u9664\u3055\u308c\u3066\u3057\u307e\u3046\u305f\u3081\u914d\u4fe1\u8005\u306b\u3068\u3063\u3066\u4e0d\u5229\u300d\u306b\u601d\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u5b9f\u614b\u306f\u9006\u3067\u3059\u3002\u89e3\u9664\u624b\u7d9a\u304d\u304c\u9762\u5012\u3001\u3042\u308b\u3044\u306f\u89e3\u9664\u30ea\u30f3\u30af\u304c\u898b\u3064\u304b\u308a\u306b\u304f\u3044\u30e1\u30fc\u30eb\u306f\u3001\u53d7\u4fe1\u8005\u306b\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3055\u308c\u308b\u78ba\u7387\u304c\u8df3\u306d\u4e0a\u304c\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u3092\u5b9f\u88c5\u3057\u3066\u30b9\u30e0\u30fc\u30ba\u306a\u96e2\u8131\u3092\u4fc3\u3059\u3053\u3068\u306f\u3001\u7d50\u679c\u7684\u306b\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387\uff080.3%\u306e\u58c1\uff09\u3092\u56de\u907f\u3057\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5f37\u529b\u306b\u4fdd\u8b77\u3059\u308b\u3053\u3068\u306b\u76f4\u7d50\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3055\u3089\u306b\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/spam\/gmail-guideline-202402\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2023\/11\/DKIM-2.png\" alt=\"\u30102025\u5e7411\u6708\u66f4\u65b0\u30112024\u5e742\u6708\u3088\u308aGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5909\u66f4\uff011\u65e55,000\u4ef6\u4ee5\u4e0a\u306e\u914d\u4fe1\u306f\u5bfe\u5fdc\u5fc5\u9808\uff01\" width=\"90\" height=\"47\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">\u30102025\u5e7411\u6708\u66f4\u65b0\u30112024\u5e742\u6708\u3088\u308aGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5909\u66f4\uff011\u65e55,000\u4ef6\u4ee5\u4e0a\u306e\u914d\u4fe1\u306f\u5bfe\u5fdc\u5fc5\u9808\uff01<\/div>\n    <div class=\"blogcard_excerpt\">2023\u5e7410\u6708\u3001Gmail\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u307e\u3057\u305f\u3002 Google\u516c\u5f0f\uff1a\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3 \u3053\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<h2>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u697d\u306b\u3059\u308b\u306a\u3089\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u6d3b\u7528\u3059\u308b<\/h2>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u30fb\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u8a8d\u8a3c\u8a2d\u5b9a\u30fb\u30ea\u30b9\u30c8\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u30fb\u30d0\u30a6\u30f3\u30b9\u7ba1\u7406\u30fb\u914d\u4fe1\u983b\u5ea6\u306e\u8abf\u6574\u306a\u3069\u3001\u591a\u5c90\u306b\u308f\u305f\u308b\u4f5c\u696d\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u3092\u624b\u52d5\u3067\u5bfe\u5fdc\u3059\u308b\u306e\u306f\u73fe\u5b9f\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u591a\u304f\u3092\u81ea\u52d5\u5316\u30fb\u52b9\u7387\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8<\/h3>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u89b3\u70b9\u304b\u3089\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u4ee5\u4e0b\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>SPF\u30fbDKIM\u30fbDMARC\u306e\u8a2d\u5b9a\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u308a\u3001\u8a8d\u8a3c\u8a2d\u5b9a\u306e\u624b\u9593\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u308b<\/li>\n<li>\u30d0\u30a6\u30f3\u30b9\u30e1\u30fc\u30eb\u306e\u81ea\u52d5\u51e6\u7406\u306b\u3088\u308a\u3001\u7121\u52b9\u30a2\u30c9\u30ec\u30b9\u3092\u901f\u3084\u304b\u306b\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\u3067\u304d\u308b<\/li>\n<li>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u5c02\u9580\u306e\u30b5\u30fc\u30d3\u30b9\u5074\u304c\u62c5\u3046\u305f\u3081\u3001\u62c5\u5f53\u8005\u306e\u904b\u7528\u8ca0\u62c5\u304c\u6e1b\u308b<\/li>\n<li>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3084\u914d\u4fe1\u30a8\u30e9\u30fc\u7ba1\u7406\u3092\u542b\u3080\u5305\u62ec\u7684\u306a\u30b5\u30dd\u30fc\u30c8\u304c\u53d7\u3051\u3089\u308c\u308b<\/li>\n<li>\u9ad8\u3044\u5230\u9054\u7387\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30d5\u30e9\u3068\u5c02\u9580\u77e5\u8b58\u304c\u6d3b\u7528\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/div>\n<p>\u914d\u4fe1\u62c5\u5f53\u8005\u304cIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u7d30\u90e8\u307e\u3067\u624b\u52d5\u7ba1\u7406\u3059\u308b\u3088\u308a\u3082\u3001\u5b9f\u7e3e\u3042\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306b\u4efb\u305b\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5b89\u5b9a\u3057\u305f\u5230\u9054\u7387\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u304a\u3059\u3059\u3081\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u300d<\/h3>\n<p><a href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2024\/07\/blastmail-top.jpg\" alt=\"\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"1200\" height=\"630\" class=\"alignnone wp-image-15955 size-full\" \/><\/a><\/p>\n<p>\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\uff08blastmail\uff09\u306f\u300115\u5e74\u9023\u7d9a\u3067\u5c0e\u5165\u793e\u6570\u30b7\u30a7\u30a2No.1\u3092\u7372\u5f97\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u5c0e\u5165\u5b9f\u7e3e27,000\u793e\u4ee5\u4e0a\u306e\u4fe1\u983c\u3068\u5b9f\u7e3e\u306b\u88cf\u6253\u3061\u3055\u308c\u305f\u9ad8\u3044\u914d\u4fe1\u5230\u9054\u7387\u3068\u3001\u5c02\u9580\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u76f4\u611f\u7684\u306b\u64cd\u4f5c\u3067\u304d\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u7ba1\u7406\u753b\u9762\u304c\u6700\u5927\u306e\u7279\u5fb4\u3067\u3059\u3002IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u89b3\u70b9\u3067\u3082\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3078\u306eSPF\/DKIM\u5bfe\u5fdc\u3092\u306f\u3058\u3081\u3001\u914d\u4fe1\u54c1\u8cea\u3092\u9ad8\u304f\u4fdd\u3064\u305f\u3081\u306e\u6a5f\u80fd\u304c\u5145\u5b9f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u5bfe\u7b56\uff08SPF\/DKIM\uff09<\/strong>\uff1aGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u3067\u9ad8\u3044\u5230\u9054\u7387\u3092\u5b9f\u73fe<\/li>\n<li><strong>\u30ea\u30b9\u30c8\u914d\u4fe1\u30fb\u30d5\u30a3\u30eb\u30bf\u914d\u4fe1\uff08\u30bb\u30b0\u30e1\u30f3\u30c8\u914d\u4fe1\uff09<\/strong>\uff1a\u8aad\u8005\u5c5e\u6027\u3067\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u3001\u9069\u5207\u306a\u53d7\u4fe1\u8005\u306b\u6700\u9069\u306a\u30e1\u30fc\u30eb\u3092\u914d\u4fe1<\/li>\n<li><strong>\u52b9\u679c\u6e2c\u5b9a\u6a5f\u80fd<\/strong>\uff1a\u958b\u5c01\u7387\u30fb\u30af\u30ea\u30c3\u30af\u7387\u30fb\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30c8\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u628a\u63e1\u3057\u3001\u914d\u4fe1\u54c1\u8cea\u306e\u6539\u5584\u306b\u6d3b\u304b\u305b\u308b<\/li>\n<li><strong>\u767b\u9332\u89e3\u9664\u30d5\u30a9\u30fc\u30e0\u4f5c\u6210<\/strong>\uff1a\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306b\u5bfe\u5fdc\u3057\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387\u306e\u4f4e\u4e0b\u306b\u8ca2\u732e<\/li>\n<li><strong>API\u9023\u643a<\/strong>\uff1aMA\u30fbCRM\u306a\u3069\u4ed6\u30b7\u30b9\u30c6\u30e0\u3068\u81ea\u52d5\u9023\u643a\u3067\u304d\u3001\u30ea\u30b9\u30c8\u306e\u9bae\u5ea6\u7dad\u6301\u304c\u52b9\u7387\u5316<\/li>\n<\/ul>\n<\/div>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u5230\u9054\u7387\u306b\u8ab2\u984c\u3092\u611f\u3058\u3066\u3044\u308b\u306a\u3089\u3001\u307e\u305a\u306f\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3067\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<div class=\"su-button-center\"><a href=\"https:\/\/blastmail.jp\/\" class=\"su-button su-button-style-flat event_bnr\" style=\"color:#FFFFFF;background-color:#c12620;border-color:#9b1f1a;border-radius:5px\" target=\"_self\"><span style=\"color:#FFFFFF;padding:0px 34px;font-size:25px;line-height:50px;border-color:#d46863;border-radius:5px;text-shadow:none\"> \u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u3092\u7121\u6599\u3067\u8a66\u3059 &gt;<\/span><\/a><\/div>\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noopener\">\u30b7\u30a7\u30a21\u4f4d\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u300d<\/a><\/p>\n<h3>\u304a\u3059\u3059\u3081\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300cblastengine\u300d<\/h3>\n<p><a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2025\/10\/blastengine.jpg\" alt=\"blastengine\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"1303\" height=\"590\" class=\"alignnone wp-image-19575 size-full\" \/><\/a><\/p>\n<p>\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\uff08blastengine\uff09\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30b7\u30b9\u30c6\u30e0\u3068SMTP\u30ea\u30ec\u30fc\u3084API\u3067\u9023\u643a\u3059\u308b\u3053\u3068\u3067\u3001\u5927\u91cf\u30e1\u30fc\u30eb\u914d\u4fe1\u3084\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u3092\u5b89\u5b9a\u3057\u3066\u884c\u3048\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002\u904b\u7528\u30fb\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306f\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u5074\u3067\u62c5\u3046\u305f\u3081\u3001<strong>\u5e38\u306b\u9ad8\u3044IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3057\u305f\u72b6\u614b<\/strong>\u3067\u914d\u4fe1\u3067\u304d\u308b\u3053\u3068\u304c\u6700\u5927\u306e\u5f37\u307f\u3067\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u696d\u52d9\u304b\u3089\u89e3\u653e\u3057\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406<\/strong>\uff1a\u30b5\u30fc\u30d3\u30b9\u5074\u3067\u904b\u7528\u30fb\u7ba1\u7406\u3059\u308b\u305f\u3081\u3001\u5e38\u306b\u9ad8\u3044\u9001\u4fe1\u8005\u8a55\u4fa1\u3092\u7dad\u6301<\/li>\n<li><strong>99%\u4ee5\u4e0a\u306e\u9ad8\u3044\u30e1\u30fc\u30eb\u5230\u9054\u7387<\/strong>\uff1a\u56fd\u5185\u30ad\u30e3\u30ea\u30a2\u30fbISP\u3078\u306e\u500b\u5225\u9001\u4fe1\u30ed\u30b8\u30c3\u30af\u3067\u78ba\u5b9f\u306b\u5c4a\u3051\u308b<\/li>\n<li><strong>SPF\/DKIM\/DMARC\u5bfe\u5fdc<\/strong>\uff1a\u6700\u65b0\u306e\u30e1\u30fc\u30eb\u8a8d\u8a3c\u6280\u8853\u306b\u6a19\u6e96\u5bfe\u5fdc\u3057\u3001\u306a\u308a\u3059\u307e\u3057\u30fb\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u3092\u56de\u907f<\/li>\n<li><strong>\u30d0\u30a6\u30f3\u30b9\u30e1\u30fc\u30eb\u81ea\u52d5\u5bfe\u5fdc<\/strong>\uff1a\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u7ba1\u7406\u3092\u81ea\u52d5\u5316\u3057\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u904b\u7528\u8ca0\u8377\u3092\u5927\u5e45\u306b\u524a\u6e1b<\/li>\n<li><strong>\u914d\u4fe1\u30ed\u30b0\u7ba1\u7406<\/strong>\uff1a\u8a73\u7d30\u306a\u914d\u4fe1\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u3001\u30a8\u30e9\u30fc\u89e3\u6790\u304c\u30b9\u30e0\u30fc\u30ba<\/li>\n<\/ul>\n<\/div>\n<p>\u521d\u671f\u8cbb\u7528\u7121\u6599\u30fb\u6708\u984d3,000\u5186\u301c\u3067\u5229\u7528\u3067\u304d\u3001API\u9023\u643a\u3068SMTP\u30ea\u30ec\u30fc\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u7d71\u5408\u3082\u5bb9\u6613\u3067\u3059\u3002<\/p>\n<div class=\"su-button-center\"><a href=\"https:\/\/blastengine.jp\/\" class=\"su-button su-button-style-flat event_bnr\" style=\"color:#FFFFFF;background-color:#c12620;border-color:#9b1f1a;border-radius:5px\" target=\"_self\"><span style=\"color:#FFFFFF;padding:0px 34px;font-size:25px;line-height:50px;border-color:#d46863;border-radius:5px;text-shadow:none\"> blastengine\u3092\u7121\u6599\u3067\u8a66\u3059 &gt;<\/span><\/a><\/div>\n<p>\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u516c\u5f0f\u30b5\u30a4\u30c8\uff1ahttps:\/\/blastengine.jp\/<\/p>\n<h2>\u307e\u3068\u3081\uff1aIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u571f\u53f0\u3068\u306a\u308b\u6307\u6a19<\/h2>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3059\u308b\u300c\u4fe1\u983c\u6027\u306e\u8a55\u4fa1\u30b9\u30b3\u30a2\u300d\u3067\u3059\u3002\u3053\u306e\u30b9\u30b3\u30a2\u304c\u4f4e\u4e0b\u3059\u308b\u3068\u3001\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u305f\u308a\u3001\u914d\u4fe1\u305d\u306e\u3082\u306e\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u308a\u3059\u308b\u305f\u3081\u3001\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u52b9\u679c\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n<p>\u5bfe\u7b56\u306e\u8981\u70b9\u3092\u6539\u3081\u3066\u6574\u7406\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<div 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class=\"blog-faq__answer\">A\uff1aIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u300c\u8a55\u5224\u30fb\u4fe1\u983c\u6027\u300d\u3092\u6570\u5024\u5316\u30fb\u30b9\u30b3\u30a2\u5316\u3057\u305f\u3082\u306e\u3067\u3059\u3002ISP\u3084\u643a\u5e2f\u30ad\u30e3\u30ea\u30a2\u306f\u3053\u306e\u30b9\u30b3\u30a2\u3092\u53c2\u7167\u3057\u3066\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u53ef\u5426\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u3001\u30b9\u30b3\u30a2\u304c\u4f4e\u3044\u3068\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u305f\u308a\u3001\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002<\/dd>\n<dt class=\"blog-faq__question\">IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u4f4e\u4e0b\u3059\u308b\u539f\u56e0\u306f\u4f55\u3067\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u4e3b\u306a\u539f\u56e0\u3068\u3057\u3066\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC\uff09\u306e\u672a\u8a2d\u5b9a\u3001\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\u3078\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u3001\u9ad8\u3044\u30d0\u30a6\u30f3\u30b9\u7387\uff08\u7121\u52b9\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u914d\u4fe1\uff09\u3001\u53d7\u4fe1\u8005\u304b\u3089\u306e\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u3001\u305d\u3057\u3066\u5171\u6709IP\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306e\u4ed6\u30e6\u30fc\u30b6\u30fc\u306e\u5f71\u97ff\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/dd>\n<dt class=\"blog-faq__question\">IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30b3\u30a2\u306f\u3069\u3053\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u300cSender Score\uff08Validity\uff09\u300d\u300cGoogle Postmaster Tools\u300d\u300cMicrosoft SNDS\u300d\u300cBarracuda Central\u300d\u306a\u3069\u306e\u7121\u6599\u30c4\u30fc\u30eb\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30c4\u30fc\u30eb\u306b\u3088\u3063\u3066\u8a55\u4fa1\u57fa\u6e96\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3059\u308b\u306e\u304c\u7406\u60f3\u7684\u3067\u3059\u3002<\/dd>\n<dt class=\"blog-faq__question\">\u4e00\u5ea6\u4e0b\u304c\u3063\u305fIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u56de\u5fa9\u3067\u304d\u307e\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u56de\u5fa9\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u975e\u5e38\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u30b9\u30b3\u30a2\u306e\u7b97\u51fa\u306b\u306f\u904e\u53bb30\u65e5\u9593\u306e\u9001\u4fe1\u5b9f\u7e3e\u304c\u4f7f\u7528\u3055\u308c\u308b\u305f\u3081\u3001\u6b63\u3057\u3044\u904b\u7528\u3092\u7d9a\u3051\u306a\u304c\u3089\u6570\u9031\u9593\u301c\u6570\u30f6\u6708\u306e\u671f\u9593\u3092\u304b\u3051\u3066\u5f90\u3005\u306b\u6539\u5584\u3057\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4e0b\u3052\u306a\u3044\u305f\u3081\u306e\u4e88\u9632\u7b56\u304c\u6700\u3082\u91cd\u8981\u3067\u3059\u3002<\/dd>\n<dt class=\"blog-faq__question\">IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u4eca\u3059\u3050\u3067\u304d\u308b\u3053\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u307e\u305a\u81ea\u793e\u306eIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u300cSender Score\u300d\u3084\u300cGoogle Postmaster Tools\u300d\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002\u6b21\u306bSPF\u30fbDKIM\u30fbDMARC\u306e\u8a2d\u5b9a\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3001\u672a\u8a2d\u5b9a\u3067\u3042\u308c\u3070\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u914d\u4fe1\u30ea\u30b9\u30c8\u306e\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3068\u3001\u30c0\u30d6\u30eb\u30aa\u30d7\u30c8\u30a4\u30f3\u306e\u5c0e\u5165\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u52b9\u679c\u7684\u3067\u3059\u3002<\/dd>\n<\/dl><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u30e1\u30eb\u30de\u30ac\u3084\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u4e00\u751f\u61f8\u547d\u4f5c\u308a\u8fbc\u3093\u3067\u3044\u308b\u306e\u306b\u3001\u306a\u305c\u304b\u958b\u5c01\u7387\u304c\u4e0a\u304c\u3089\u306a\u3044\u3002\u9867\u5ba2\u306b\u5c4a\u3044\u3066\u3044\u308b\u306f\u305a\u306e\u30e1&#8230;<\/p>\n","protected":false},"author":8,"featured_media":21464,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-21462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spam"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/posts\/21462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/comments?post=21462"}],"version-history":[{"count":4,"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/posts\/21462\/revisions"}],"predecessor-version":[{"id":21467,"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/posts\/21462\/revisions\/21467"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/media\/21464"}],"wp:attachment":[{"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/media?parent=21462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/categories?post=21462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blastmail.jp\/blog\/wp-json\/wp\/v2\/tags?post=21462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}