{"id":2005,"date":"2023-09-27T11:43:06","date_gmt":"2023-09-27T02:43:06","guid":{"rendered":"https:\/\/bmb.jp\/maildeliver\/?p=2005"},"modified":"2024-03-22T11:21:23","modified_gmt":"2024-03-22T02:21:23","slug":"spf-record","status":"publish","type":"post","link":"https:\/\/bmb.jp\/maildeliver\/spf-record","title":{"rendered":"SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u4ed5\u7d44\u307f\u3084\u8a2d\u5b9a\u65b9\u6cd5\u3010\u512a\u3057\u304f\u89e3\u8aac\u3011"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2023\/09\/spf-record.jpg\" alt=\"\u3010\u512a\u3057\u304f\u89e3\u8aac\u3011SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u4ed5\u7d44\u307f\u3084\u8a2d\u5b9a\u65b9\u6cd5\u3000\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" class=\"wp-image-2007\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd1\u5e74\u3067\u306f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306b\u3088\u308b\u72af\u7f6a\u304c\u4e16\u754c\u4e2d\u3067\u554f\u984c\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30e1\u30eb\u30de\u30ac\u306a\u3069\u3092\u914d\u4fe1\u3059\u308b\u5834\u5408\u3001\u53d7\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u3088\u3063\u3066\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u300d\u3068\u5224\u65ad\u3055\u308c\u3066\u3057\u307e\u3044\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u30e1\u30fc\u30eb\u304c\u305d\u3082\u305d\u3082\u5c4a\u304b\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u3088\u3046\u306a\u5834\u5408\u306e\u5bfe\u51e6\u6cd5\u306e\u3072\u3068\u3064\u306b\u6319\u3052\u3089\u308c\u308b\u306e\u304c\u300c<strong>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a<\/strong>\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u624b\u53e3\u306f\u8907\u96d1\u5316\u3057\u3066\u304a\u308a\u88ab\u5bb3\u306b\u3042\u308f\u308c\u308b\u65b9\u304c\u5f8c\u3092\u7d76\u3061\u307e\u305b\u3093\u3002SPF\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u9632\u3050\u305f\u3081\u306e\u4ee3\u8868\u7684\u306a\u5bfe\u7b56\u306e1\u3064\u3067\u3059\u3002SPF\u3084DKIM\u306a\u3069\u306e\u30e1\u30fc\u30eb\u8a8d\u8a3c\u6280\u8853\u306f\u30e1\u30fc\u30eb\u306e\u5b89\u5168\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u6b20\u304b\u305b\u306a\u3044\u3082\u306e\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u306f\u3084\u3084\u96e3\u3057\u3044\u5370\u8c61\u304c\u5f37\u304f\u3001\u4e8c\u306e\u8db3\u3092\u8e0f\u3093\u3067\u3044\u308b\u65b9\u306f\u591a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u3053\u3067\u4eca\u56de\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u306a\u306e\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u4ed5\u7d44\u307f\u3084\u8a2d\u5b9a\u65b9\u6cd5\u306a\u3069\u3082\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"wp-block-group has-swl-pale-01-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">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<br><a href=\"https:\/\/support.google.com\/mail\/answer\/81126\" target=\"_blank\" rel=\"noopener\" title=\"\">https:\/\/support.google.com\/mail\/answer\/81126<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u306f2024\u5e742\u6708\u4ee5\u964d\u3001Gmail\u30a2\u30ab\u30a6\u30f3\u30c8\u306b1\u65e5\u3042\u305f\u308a5,000\u4ef6\u3092\u8d85\u3048\u308b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306bSPF\u30ec\u30b3\u30fc\u30c9\u30fbDKIM\u7f72\u540d\u30fbDMARC\u30e1\u30fc\u30eb\u8a8d\u8a3c\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u306a\u3069\u306e\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9001\u4fe1\u3057\u305fGmail\u304c\u5c4a\u304b\u306a\u3044\u3068\u304a\u60a9\u307f\u306e\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastmail.jp\/blog\/spam\/gmail-guideline-202402\" target=\"_blank\" rel=\"noopener\" title=\"\">\u3010\u89e3\u6c7a\u7b56\u30112024\u5e742\u6708\u3088\u308aGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5909\u66f4\uff011\u65e55000\u4ef6\u4ee5\u4e0a\u306e\u914d\u4fe1\u306f\u5bfe\u5fdc\u5fc5\u9808\uff01<\/a><\/p>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1360\" height=\"350\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2024\/01\/gmail\u8981\u4ef6\u5f37\u5316_\u30d0\u30ca\u30fc_1360x350-1.png\" alt=\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u30d0\u30ca\u30fc\" class=\"wp-image-2265\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u3068\u306f\u300cSender Policy Framework\u300d\u306e\u7565\u8a9e\u3067\u3001<strong><span class=\"swl-marker mark_yellow\">\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u304c\u8a50\u79f0\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u6280\u8853<\/span><\/strong>\u3067\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u305d\u306e\u8a8d\u8a3c\u60c5\u5831\u3092\u6307\u3057\u307e\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u3092\u9001\u4fe1\u7528\u30c9\u30e1\u30a4\u30f3\u306b\u767b\u9332\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u3067\u3042\u308b\u3053\u3068\u306e\u8a3c\u660e\u3092\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u3092\u7ba1\u7406\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u3042\u308bDNS\u306b\u5bfe\u3057\u3066\u300cSPF\u30ec\u30b3\u30fc\u30c9\u300d\u3068\u547c\u3070\u308c\u308b\u60c5\u5831\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u304c\u6b63\u5f53\u306a\u30b5\u30fc\u30d0\u30fc\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u76f8\u624b\u65b9\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u8aa4\u8a8d\u3055\u308c\u308b\u5371\u967a\u3082\u3042\u308b\u305f\u3081\u3001\u6b63\u3057\u3044SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u6b63\u5e38\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u74b0\u5883\u3092\u6574\u3048\u308b\u3053\u3068\u304c\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cd\u5bfe\u306b\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5185\u5bb9\u3068\u3001\u9001\u4fe1\u30e1\u30fc\u30eb\u306b\u8a18\u8f09\u3055\u308c\u305f\u60c5\u5831\u306b\u7570\u306a\u308b\u70b9\u304c\u3042\u308c\u3070\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3068\u5224\u65ad\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u5f79\u5272<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306e\u4e00\u3064\u3067\u3001\u30c9\u30e1\u30a4\u30f3\u6240\u6709\u8005\u304c\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u3092\u8a8d\u8a3c\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u3092\u3082\u3068\u306b\u3001DNS\uff08Domain Name 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class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u306f\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u3001\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u3068DNS\u4e0a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u3053\u306e\u6bd4\u8f03\u3092\u901a\u3058\u3066\u3001\u30e1\u30fc\u30eb\u304c\u9069\u5207\u306a\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u3082\u306e\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u304c\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u4ed5\u7d44\u307f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"is-style-num_circle -list-under-dashed has-swl-pale-02-background-color has-background 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class=\"wp-block-heading\"><strong>SPF\u30ec\u30b3\u30fc\u30c9\u8a2d\u5b9a\u306e\u5fc5\u8981\u6027\u3068\u306f\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306fSPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u6027\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306b\u3064\u306a\u304c\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306b\u3064\u306a\u304c\u308b\u306e\u306f\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u8a8d\u8a3c\u304c\u884c\u308f\u308c\u306a\u3044\u5834\u5408\u3001\u9001\u4fe1\u5074\u3001\u53d7\u4fe1\u5074\u306e\u4e21\u65b9\u304c\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084\u306a\u308a\u3059\u307e\u3057\u3001\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u306a\u3069\u306e\u30ea\u30b9\u30af\u306b\u6652\u3055\u308c\u307e\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9\u306e\u507d\u9020\u3092\u691c\u51fa\u3057\u3001\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30e1\u30fc\u30eb\u5230\u9054\u7387\u304c\u5411\u4e0a\u3059\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u53d7\u4fe1\u5074\u306b\u5c4a\u304d\u3084\u3059\u304f\u306a\u308b<\/span><\/strong>\u3053\u3068\u3082\u3001SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u3092\u516c\u958b\u3057\u3066\u3044\u306a\u3044\u30c9\u30e1\u30a4\u30f3\u306f\u3001\u9001\u3063\u305f\u30e1\u30fc\u30eb\u304c\u30a8\u30e9\u30fc\u3067\u5f3e\u304b\u308c\u305f\u308a\u3001\u30b9\u30d1\u30e0\u3068\u307f\u306a\u3055\u308c\u305f\u308a\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u53d7\u4fe1\u8005\u5074\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u6b63\u898f\u306e\u9001\u4fe1\u8005\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3057\u3001\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u6027\u3092\u9ad8\u3081\u308b\u70b9\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u306e\u8a55\u4fa1\u304c\u9ad8\u304f\u306a\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u6027\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u306e\u8a55\u4fa1\u304c\u9ad8\u304f\u306a\u308b\u52b9\u679c\u3082\u671f\u5f85\u3067\u304d\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u304c\u6b63\u898f\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u3053\u3068\u3067\u3001\u81ea\u793e\u306e\u30d6\u30e9\u30f3\u30c9\u3084\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u3001\u9867\u5ba2\u3068\u306e\u95a2\u4fc2\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>DMARC\u3092\u9075\u5b88\u3067\u304d\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DMARC\uff08Domain-based Message Authentication Reporting and Conformance\uff09\u3068\u306f\u3001\u8a31\u53ef\u3092\u5f97\u305f\u30e6\u30fc\u30b6\u30fc\u3060\u3051\u304c\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3088\u3046\u306b\u3059\u308b\u691c\u8a3c\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002DMARC\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u3068DKIM\u30ec\u30b3\u30fc\u30c9\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DMARC\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u306f\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u306e\u51e6\u7406\u65b9\u6cd5\u3092\u6307\u5b9a\u3057\u305f\u308a\u3001\u8a8d\u8a3c\u7d50\u679c\u306e\u30ec\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u53d6\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u307e\u305f\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u8005\u306f\u3001\u9001\u4fe1\u8005\u304c\u6307\u5b9a\u3057\u305f\u30dd\u30ea\u30b7\u30fc\u306b\u5f93\u3063\u3066\u3001\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u3068\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u533a\u5225\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u3067\u306f\u65e9\u901f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u3092\u9032\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3084\u3001\u8a2d\u5b9a\u65b9\u6cd5\u306a\u3069\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u65e2\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u304c\u65e2\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"has-swl-pale-02-background-color has-background wp-block-list\">\n<li>\u300cDNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u30c4\u30fc\u30eb\u300d\u3084\u300cSPF\u30c1\u30a7\u30c3\u30ab\u30fc\u300d\u306a\u3069\u306eWeb\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3084\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u300cnslookup -type=txt \u30c9\u30e1\u30a4\u30f3\u540d\u300d\u3068\u5165\u529b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001Windows\u306e\u5834\u5408\u306f\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u3044\u3066\u300cnslookup -type=txt \u30c9\u30e1\u30a4\u30f3\u540d\u300d\u3068\u5165\u529b\u3057\u3001Mac\u306e\u5834\u5408\u306f\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u3044\u3066\u300cdig txt \u30c9\u30e1\u30a4\u30f3\u540d\u300d\u3068\u5165\u529b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\u3055\u308c\u305f\u7d50\u679c\u306e\u4e2d\u306b \u201dv=spf1\u2026\u2026\u201d \u3068\u3044\u3063\u305f\u8a18\u8ff0\u304c\u3042\u308c\u3070\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306f\u65e2\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u72b6\u614b\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\"><span>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u8d77\u52d5\u3059\u308b\u65b9\u6cd5<\/span><\/div><div class=\"cap_box_content\">\n<p class=\"wp-block-paragraph\">[Windows] + [R] \u30ad\u30fc\u3092\u62bc\u3057\u3001\u300c\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c\u300d\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u540d\u524d\u306e\u90e8\u5206\u306b\u300ccmd\u300d\u3068\u5165\u529b\u3057 [OK] \u30dc\u30bf\u30f3\u3092\u62bc\u305b\u3070\u3001\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u304c\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>DNS\u30b5\u30fc\u30d0\u30fc\u306b\u3066SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u5834\u5408\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u3092\u7ba1\u7406\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u306bTXT\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u3066\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u3084\u5909\u66f4\u306f\u3001DNS\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u753b\u9762\u304b\u3089\u884c\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001TXT\u30a8\u30f3\u30c8\u30ea\u306bSPF\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u307e\u305f\u306f\u7de8\u96c6\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u3084\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u308b\u307e\u3067\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u30e1\u30fc\u30eb\u9001\u4fe1\u306e\u76f4\u524d\u306b\u884c\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u524d\u3082\u3063\u3066\u8a2d\u5b9a\u3092\u9032\u3081\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001DNS\u306bTXT\u30a8\u30f3\u30c8\u30ea\u3068\u3057\u3066\u767b\u9332\u3055\u308c\u307e\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u4e00\u822c\u7684\u306b\u4ee5\u4e0b\u306e\u8981\u7d20\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"-list-under-dashed is-style-check_list has-swl-pale-02-background-color has-background wp-block-list\">\n<li><strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7<\/strong><br>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u793a\u3059\u3002\u539f\u5247\u3068\u3057\u3066\u3001\u300cv=spf1\u300d\u3068\u8a18\u8ff0<\/li>\n\n\n\n<li><strong>\u6a5f\u69cb<\/strong><br>\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u306e\u60c5\u5831\u3092\u793a\u3059\u3002\u4f8b\u3048\u3070\u300ca\u300d\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3001\u300cip4\u300d\u3084\u300cip6\u300d\u306fIP\u30a2\u30c9\u30ec\u30b9\u3001\u300cinclude\u300d\u306f\u4ed6\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b<\/li>\n\n\n\n<li><strong>\u9650\u5b9a\u5b50<\/strong><br>\u6a5f\u69cb\u306b\u3088\u3063\u3066\u7167\u5408\u304c\u78ba\u8a8d\u3067\u304d\u305f\u3068\u304d\u3001\u3069\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u884c\u3046\u304b\u3092\u793a\u3059\u3002\u4f8b\u3048\u3070\u300c+\u300d\u306f\u6b63\u5e38\u306a\u30e1\u30fc\u30eb\u3001\u300c-\u300d\u306f\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u3001\u300c~\u300d\u306f\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u3060\u304c\u914d\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3059<\/li>\n\n\n\n<li><strong>\u4fee\u98fe\u5b50<\/strong><br>SPF\u30ec\u30b3\u30fc\u30c9\u306b\u3088\u308a\u8a73\u7d30\u306a\u60c5\u5831\u3092\u793a\u3059\u3002\u4f8b\u3048\u3070\u300credirect\u300d\u306f\u4ed6\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u540c\u4e00\u306e\u9001\u4fe1\u3092\u884c\u3046\u3053\u3068\u3092\u610f\u5473\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u65b9\u6cd5\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-big_icon_check wp-block-paragraph\">\u300c\u30c9\u30e1\u30a4\u30f3 IN TXT \u3010\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3011\u3010\u9650\u5b9a\u5b50\u3011\u3010\u6a5f\u69cb\u3011\u3010IP\u30a2\u30c9\u30ec\u30b9\u3011\u300d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001example.jp\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u300c192.168.100.3\u300d\u3067\u3042\u308b\u5834\u5408\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u300cexample.jp. IN TXT \u201cv=spf1 ip4:192.168.100.3 ~all\u201d\u300d<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5834\u5408\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u300c192.168.100.3\u300d\u306b\u4e00\u81f4\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3060\u3051\u3092\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SPF\u30ec\u30b3\u30fc\u30c9\u304c\u8907\u6570\u306e\u5834\u5408\u306e\u66f8\u304d\u65b9<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3064\u4ee5\u4e0a\u306eSPF\u30ec\u30b3\u30fc\u30c9\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001\u884c\u3092\u5206\u3051\u305a\u306b\uff11\u884c\u306b\u307e\u3068\u3081\u3066\u66f8\u304f\u3053\u3068\u3067\u30a8\u30e9\u30fc\u304c\u8d77\u3053\u308a\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u30022\u3064\u306eIP\u30a2\u30c9\u30ec\u30b9\u300c192.168.16.0.1\u300d\u3068\u300c192.168.16.0.2\u300d\u3092\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u306e\u8a18\u8f09\u4f8b\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>example.jp\u3000IN TXT \"v=spf1 +ip4:192.168.16.0.1 ~all\"\"v=spf1 +ip4:192.168.16.0.2 ~all\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u300c\uff0b\u300d\u9650\u5b9a\u5b50\u3067\u3064\u306a\u30521\u884c\u3067\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u69cb\u6210\u8981\u7d20<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u306f\u4e0a\u8ff0\u3057\u305f\u3088\u3046\u306b\u300c\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u300d\u300c\u6a5f\u69cb\u300d\u300c\u9650\u5b9a\u5b50\u300d\u300c\u4fee\u98fe\u5b50\u300d\u306e\uff14\u3064\u306e\u69cb\u6210\u3067\u6210\u308a\u7acb\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u304b\u3089\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u69cb\u6210\u8981\u7d20\u306b\u3064\u3044\u3066\u3001\u8a73\u3057\u304f\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8868\u3059\u90e8\u5206\u3067\u3059\u304c\u3001\u57fa\u672c\u300cv=spf1\u300d\u3068\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u306e\u306f\u300cv=spf1.0\u300d\u306a\u3069\u306e\u3088\u3046\u306b\u540c\u3058\u610f\u5473\u3092\u8868\u3059\u60c5\u5831\u3067\u3042\u3063\u3066\u3082\u3001\u8a18\u8f09\u65b9\u6cd5\u304c\u7570\u306a\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u8a2d\u5b9a\u306f\u3001\u4e00\u6587\u5b57\u306e\u9593\u9055\u3044\u3082\u306a\u304f\u8a18\u8f09\u3059\u308b\u3088\u3046\u6c17\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6a5f\u69cb<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a5f\u69cb\u306f\u3001\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u306e\u60c5\u5831\u3092\u8a18\u8ff0\u3059\u308b\u90e8\u5206\u3067\u3059\u3002\u4e3b\u306a\u6a5f\u69cb\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u6a5f\u69cb<\/td><td>\u610f\u5473<\/td><\/tr><tr><td>a<\/td><td>a\u6a5f\u69cb\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u8a3c\u660e\u3059\u308b\u3002\u30c9\u30e1\u30a4\u30f3\u306eA\u30ec\u30b3\u30fc\u30c9\u3082\u3057\u304f\u306fAAAA\u30ec\u30b3\u30fc\u30c9\u3067\u9001\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u4e00\u81f4\u3059\u308c\u3070\u8a8d\u8a3c\u3055\u308c\u308b\u3002<\/td><\/tr><tr><td>include&nbsp;&nbsp;<\/td><td>include\u6a5f\u69cb\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u8a3c\u660e\u3059\u308b\u3002include\u5148\u30c9\u30e1\u30a4\u30f3\u306eSPF\u30ec\u30b3\u30fc\u30c9\u304c\u8a31\u53ef\u3055\u308c\u308c\u3070\u8a8d\u8a3c\u3055\u308c\u308b\u3002<\/td><\/tr><tr><td>mx<\/td><td>mx\u6a5f\u69cb\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u6307\u5b9a\u3059\u308b\u3002\u30c9\u30e1\u30a4\u30f3\u306eMX\u30ec\u30b3\u30fc\u30c9\u3067\u9001\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u4e00\u81f4\u3059\u308c\u3070\u8a8d\u8a3c\u3055\u308c\u308b\u3002<\/td><\/tr><tr><td>all<\/td><td>all\u6a5f\u69cb\u306f\u5e38\u306b\u8a8d\u8a3c\u3092\u8a31\u53ef\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3092\u3082\u3064\u3002\u901a\u5e38\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306e\u672b\u5c3e\u306b\u8a18\u8f09\u3055\u308c\u308b\u3002<\/td><\/tr><tr><td>ip4\u3001ip6<\/td><td>ip4\u6a5f\u69cb\u3001ip6\u6a5f\u69cb\u306fIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a3c\u660e\u3059\u308b\u3002\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u6307\u5b9a\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u306b\u542b\u307e\u308c\u308b\u5834\u5408\u306b\u8a8d\u8a3c\u3055\u308c\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u9650\u5b9a\u5b50<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9650\u5b9a\u5b50\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u5185\u306e\u6a5f\u69cb\u306b\u5bfe\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u7167\u5408\u51e6\u7406\u3092\u3059\u308b\u304b\u3092\u53d7\u4fe1\u30e1\u30fc\u30eb\u5074\u306b\u5b9a\u7fa9\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u7701\u7565\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u306a\u63a5\u982d\u8a9e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u9650\u5b9a\u5b50\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u9650\u5b9a\u5b50<\/td><td>\u610f\u5473<\/td><td>\u8aac\u660e<\/td><\/tr><tr><td>\uff0b<\/td><td>Pass<\/td><td>\u30c9\u30e1\u30a4\u30f3\u3092\u6b63\u5e38\u306a\u30e1\u30fc\u30eb\u3068\u8a8d\u8b58\u3059\u308b\u3002\u30e1\u30fc\u30eb\u306f\u53d7\u4fe1\u3055\u308c\u308b\u3002<\/td><\/tr><tr><td>\u2212<\/td><td>HardFail<\/td><td>\u30c9\u30e1\u30a4\u30f3\u304c\u8a8d\u8a3c\u3055\u308c\u306a\u3044\u3002\u30e1\u30fc\u30eb\u306f\u62d2\u5426\u3055\u308c\u308b\u3002<\/td><\/tr><tr><td>~<\/td><td>SoftFail<\/td><td>\u30c9\u30e1\u30a4\u30f3\u306f\u8a8d\u8a3c\u3055\u308c\u306a\u3044\u304c\u3001\u8a8d\u8a3c\u60c5\u5831\u306f\u516c\u958b\u3055\u308c\u30e1\u30fc\u30eb\u306f\u914d\u4fe1\u3055\u308c\u308b\u3002<\/td><\/tr><tr><td>?<\/td><td>Neutral<\/td><td>\u8a8d\u8a3c\u60c5\u5831\u3092\u516c\u958b\u3055\u308c\u305a\u3001\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3059\u308b\u304b\u306f\u81ea\u7531\u306b\u306a\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4fee\u98fe\u5b50<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fee\u98fe\u5b50\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001SPF\u3092\u62e1\u5f35\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6307\u5b9a\u3067\u304d\u308b\u306e\u306f2\u3064\u307e\u3067\u3067\u3059\u3002\u3088\u308a\u3001\u8a73\u7d30\u306a\u60c5\u5831\u3092\u793a\u3059\u3082\u306e\u3067\u3001\u30ec\u30b3\u30fc\u30c9\u306e\u6700\u5f8c\u306b\u8a18\u8f09\u3059\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u4fee\u98fe\u5b50\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u4fee\u98fe\u5b50<\/td><td>\u610f\u5473<\/td><\/tr><tr><td>redirect<\/td><td>\u8907\u6570\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u30661\u3064\u306eSPF\u5b9a\u7fa9\u3092\u5171\u6709\u3059\u308b\u3002<\/td><\/tr><tr><td>exp<\/td><td>\u8a8d\u8a3c\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u306b\u3001\u305d\u306e\u8aac\u660e\u3084\u7406\u7531\u3092\u30c9\u30e1\u30a4\u30f3\u306b\u9001\u4fe1\u3059\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2023\/08\/EmailRising_banner-1.jpg\" alt=\"\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u30d0\u30ca\u30fc\" class=\"wp-image-1716\" width=\"852\" height=\"219\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u306fSPF\u3068DKIM\u304c\u8a2d\u5b9a\u3067\u304d\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3046<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u6d3b\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30e1\u30fc\u30eb\u81ea\u4f53\u306f\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u6709\u3057\u3066\u3044\u308b\u4f1a\u793e\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u914d\u4fe1\u3055\u308c\u308b\u3053\u3068\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u306a\u3069\u30e1\u30fc\u30eb\u306e\u4e00\u6589\u914d\u4fe1\u3092\u884c\u3046\u969b\u306fSPF\u304c\u8a2d\u5b9a\u3067\u304d\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3068\u306f<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u3081\u3066\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3068\u306f\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b\u4e00\u6589\u306b\u30e1\u30fc\u30eb\u3092\u914d\u4fe1\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u306e\u5927\u91cf\u914d\u4fe1\u306f\u4e00\u822c\u7684\u306b\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u306b\u4f3c\u305f\u884c\u70ba\u306e\u305f\u3081\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u5165\u3063\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u6587\u5b57\u901a\u308a\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3053\u308c\u3089\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306e\u6280\u8853\u304c\u4f7f\u308f\u308c\u3066\u304a\u308a\u3001\u5b89\u5fc3\u5b89\u5168\u306b\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u7279\u6027\u304b\u3089\u3001\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u3084\u793e\u5185\u5411\u3051\u306e\u4e00\u6589\u30e1\u30fc\u30eb\u7b49\u306b\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>DKIM\u7f72\u540d\u3068\u306f<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DKIM\u3068\u306fDomainKeys Identified Mail\u306e\u3053\u3068\u3067\u3001\u6b63\u3057\u3044\u767a\u884c\u5143\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u3001\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u3067\u3042\u308b\u3068\u8a3c\u660e\u3059\u308b\u96fb\u5b50\u7f72\u540d\u65b9\u5f0f\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u3060\u3051\u3067\u306a\u304f\u3001<strong><span class=\"swl-marker mark_yellow\">DKIM\u7f72\u540d\u3082\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3088\u308a\u9001\u4fe1\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/span><\/strong>\u305f\u3081\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u306a\u308b\u78ba\u7387\u3092\u4f4e\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f01\u696d\u304c\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u3092\u3059\u308b\u5834\u5408\u306f\u3001SPF\u3060\u3051\u3067\u306a\u304fDKIM\u7f72\u540d\u3082\u8a2d\u5b9a\u3067\u304d\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u9078\u629e\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30b7\u30a7\u30a21\u4f4d\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u300d\u306e\u6d3b\u7528<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2023\/07\/blastmail-top.jpg\" alt=\"\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" class=\"wp-image-1943\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u304a\u3059\u3059\u3081\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306f\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u3067\u3059<strong>\u3002<span class=\"swl-marker mark_yellow\">\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306f15\u5e74\u9023\u7d9a\u9867\u5ba2\u5c0e\u5165\u30b7\u30a7\u30a21\u4f4d\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0<\/span><\/strong>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u7279\u5fb4\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u64cd\u4f5c\u6027\u3068\u3001\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9ad8\u3055\u3067\u3059\u3002\u69d8\u3005\u306a\u696d\u7a2e\u3084\u5b98\u516c\u5e81\u306e\u5c0e\u5165\u3082\u3042\u308a\u3001\u5b9a\u756a\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30fbDKIM\u7f72\u540d\u306e\u8a2d\u5b9a\u306f\u3082\u3061\u308d\u3093\u3001\u30bb\u30b0\u30e1\u30f3\u30c8\uff08\u30bf\u30fc\u30b2\u30c3\u30c8\uff09\u914d\u4fe1\u3084\u52b9\u679c\u6e2c\u5b9a\u3001HTML\u30e1\u30fc\u30eb\u30a8\u30c7\u30a3\u30bf\u306a\u3069\u3001\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u306f\u5168\u3066\u63c3\u3063\u3066\u304a\u308a\u3001\u6700\u3082\u5b89\u3044\u30d7\u30e9\u30f3\u3067\u3042\u308c\u3070\u6708\u984d4,000\u5186\u4ee5\u4e0b\u3067\u5c0e\u5165\u3067\u304d\u307e\u3059\u3002\uff08DKIM\u7f72\u540d\u306fstandard\u30d7\u30e9\u30f3\u4ee5\u4e0a\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u5b89\u3044\u306e\u3067\u3001\u521d\u3081\u3066\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3063\u3066\u307f\u305f\u3044\u65b9\u306b\u3082\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3082\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u307e\u305a\u306f\u8a66\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<div class=\"swell-block-button blue_ is-style-btn_normal\"><a href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>\u7121\u6599\u3067\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u3092\u8a66\u3057\u3066\u307f\u308b<span data-icon=\"LsChevronRight\" data-id=\"16\" style=\"--the-icon-svg: url(data:image\/svg+xml;base64,PHN2ZyBoZWlnaHQ9IjFlbSIgd2lkdGg9IjFlbSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiBhcmlhLWhpZGRlbj0idHJ1ZSIgdmlld0JveD0iMCAwIDQ4IDQ4Ij48cGF0aCBkPSJtMzMgMjUuMS0xMy4xIDEzYy0uOC44LTIgLjgtMi44IDAtLjgtLjgtLjgtMiAwLTIuOEwyOC40IDI0IDE3LjEgMTIuN2MtLjgtLjgtLjgtMiAwLTIuOC44LS44IDItLjggMi44IDBsMTMuMSAxM2MuNi42LjYgMS42IDAgMi4yeiI+PC9wYXRoPjwvc3ZnPg==)\" aria-hidden=\"true\" class=\"swl-inline-icon\">\u2003<\/span><\/span><\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/bmb.jp\/maildeliver\/blastmail\">\u30103\u5206\u3067\u5206\u304b\u308b\uff01\u3011\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u3068\u306f\uff1f\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u30c8\u30e9\u30a4\u30a2\u30eb\u671f\u9593\u3092\u4f7f\u3063\u3066\u5fb9\u5e95\u30ec\u30d3\u30e5\u30fc<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">API\u9023\u643a\u30fbSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u300c\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3(blastengine)\u300d\u306e\u6d3b\u7528<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2023\/11\/Screenshot-7.png\" alt=\"blastengine\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" class=\"wp-image-13917\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3(blastengine<\/a>)\u306f\u7c21\u5358\u306b\u30e1\u30fc\u30eb\u306e\u5927\u898f\u6a21\u9ad8\u901f\u914d\u4fe1\u304c\u53ef\u80fd\u306aSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d0\u30fc\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u3001API\u3067\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u306e\u4ed5\u7d44\u307f\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30fc\u30d0\u30fc\u306e\u904b\u7528\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306fblastengine\u3067\u884c\u3046\u305f\u3081\u3001\u5e38\u306b\u9ad8\u3044IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u3063\u3066\u5b89\u5168\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8ab2\u984c\u304c\u3042\u308b\u5834\u5408\u306f\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u306e\u5229\u7528\u3092\u691c\u8a0e\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"has-swl-pale-02-background-color has-background wp-block-list\">\n<li>\u81ea\u793e\u306eIP\u30a2\u30c9\u30ec\u30b9\u3084\u30c9\u30e1\u30a4\u30f3\u304c\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044<\/li>\n\n\n\n<li>\u56fd\u5185\u30ad\u30e3\u30ea\u30a2\u3078\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u305a\u5bfe\u5fdc\u65b9\u6cd5\u3082\u308f\u304b\u3089\u306a\u3044<\/li>\n\n\n\n<li>\u81ea\u793e\u3067\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u7ba1\u7406\u30fb\u904b\u7528\u3057\u305f\u304f\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u5c0e\u5165\u793e\u657027,000\u793e\u300115\u5e74\u9023\u7d9a\u9867\u5ba2\u5c0e\u5165\u6570No.1\u306e\u59c9\u59b9\u88fd\u54c1blastmail\u306e\u6280\u8853\u529b\u3067\u69cb\u7bc9\u3057\u305f\u914d\u4fe1\u57fa\u76e4\u3067\u3001\u5404\u30e1\u30fc\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u3001\u643a\u5e2f\u30ad\u30e3\u30ea\u30a2\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u6700\u9069\u5316\u3068\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u7d4c\u7531\u3057\u3066\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u884c\u3044\u3001\u65e5\u672c\u56fd\u5185\u3078\u306e\u5727\u5012\u7684\u306a\u5230\u9054\u7387\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u3067\u3044\u3066\u3001\u6708\u984d3,000\u5186\u304b\u3089\u5229\u7528\u304c\u3067\u304d\u308b\u305f\u3081\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u9ad8\u304f\u3001\u30e1\u30fc\u30eb\u3060\u3051\u3067\u306a\u304f\u65e5\u672c\u8a9e\u3067\u306e\u96fb\u8a71\u30b5\u30dd\u30fc\u30c8\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5165\u529b\u306e\u307f\u3067\u3059\u3050\u306b\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u662f\u975e\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"swell-block-button blue_ is-style-btn_normal\"><a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>\u7121\u6599\u3067\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u3092\u8a66\u3057\u3066\u307f\u308b<span style=\"--the-icon-svg: url(data:image\/svg+xml;base64,PHN2ZyBoZWlnaHQ9IjFlbSIgd2lkdGg9IjFlbSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiBhcmlhLWhpZGRlbj0idHJ1ZSIgdmlld0JveD0iMCAwIDQ4IDQ4Ij48cGF0aCBkPSJtMzMgMjUuMS0xMy4xIDEzYy0uOC44LTIgLjgtMi44IDAtLjgtLjgtLjgtMiAwLTIuOEwyOC40IDI0IDE3LjEgMTIuN2MtLjgtLjgtLjgtMiAwLTIuOC44LS44IDItLjggMi44IDBsMTMuMSAxM2MuNi42LjYgMS42IDAgMi4yeiI+PC9wYXRoPjwvc3ZnPg==)\" data-icon=\"LsChevronRight\" data-id=\"16\" aria-hidden=\"true\" class=\"swl-inline-icon\">\u2003<\/span><\/span><\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/bmb.jp\/maildeliver\/blastengine\" target=\"_blank\" rel=\"noopener\" title=\"\">blastengine\uff08\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\uff09\u3068\u306f\uff1fAPI\u30fbSMTP\u7279\u5316\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u5411\u3051\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u89e3\u8aac<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30e1\u30fc\u30eb\u9001\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u65b9<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3054\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306a\u30e1\u30fc\u30eb\u9001\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3001\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306b\u5f79\u7acb\u3066\u3066\u3044\u308b\u4f01\u696d\u306a\u3069\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u30e1\u30fc\u30eb\u4f5c\u6210\u3084\u3001\u9001\u4fe1\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30a7\u30c3\u30af\u307e\u3067\u53ef\u80fd\u306a\u5927\u5909\u4fbf\u5229\u306a\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u5186\u6ed1\u306b\u9001\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d3\u30b9\u696d\u8005\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3057\u914d\u4fe1\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u666e\u6bb5\u3068\u306f\u9055\u3046\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092SPF\u30ec\u30b3\u30fc\u30c9\u306b\u8a18\u8f09\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5834\u5408\u300cinclude\u300d\u6a5f\u69cb\u306e\u5f8c\u306b\u30e1\u30fc\u30eb\u9001\u4fe1\u30b5\u30fc\u30d3\u30b9\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>SPF\u30ec\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304b\u3089\u306f\u3001\u6b63\u3057\u304fSPF\u30ec\u30b3\u30fc\u30c9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u3057\u3066\u3044\u308bOS\u3054\u3068\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306e\u78ba\u8a8d\u65b9\u6cd5\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>OS<\/td><td>\u78ba\u8a8d\u65b9\u6cd5<\/td><\/tr><tr><td>Windows<\/td><td>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u3044\u3066\u304b\u3089\u300cnslookup -type=TXT \uff08\u8abf\u3079\u305f\u3044\u30c9\u30e1\u30a4\u30f3\u3092\u8a18\u8f09\uff09\u300d\u3092\u5165\u529b\u3057\u3066\u5b9f\u884c\u3059\u308b<\/td><\/tr><tr><td>Mac<\/td><td>\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304d\u3001\u300cdig txt \uff08\u8abf\u3079\u305f\u3044\u30c9\u30e1\u30a4\u30f3\u3092\u8a18\u8f09\uff09\u300d\u3092\u5165\u529b\u3057\u3066\u5b9f\u884c\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3061\u3089\u306e\u78ba\u8a8d\u65b9\u6cd5\u306f\u3001\u5c02\u9580\u77e5\u8b58\u3082\u5fc5\u8981\u3068\u3055\u308c\u308b\u306e\u3067\u5c11\u3057\u96e3\u3057\u304f\u611f\u3058\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u3053\u3067\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u3092\u7c21\u5358\u306b\u78ba\u8a8d\u3067\u304d\u308b\u30c4\u30fc\u30eb\u306e\u5229\u7528\u3082\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u4e16\u754c\u4e2d\u306bSPF\u306e\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u30b5\u30a4\u30c8\u306f\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u304c\u3001\u4f7f\u3044\u3084\u3059\u3044\u65e5\u672c\u8a9e\u306e\u30b5\u30a4\u30c8\u30922\u3064\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.skysnag.com\/ja\/spf-checker\/\">SKYSNAG<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/powerdmarc.com\/ja\/spf-record-lookup\/\">POWERDRAMARCS<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u307e\u3068\u3081<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u3092\u507d\u88c5\u304b\u3089\u5b88\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u91cd\u8981\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306e\u57fa\u672c\u304b\u3089\u8a2d\u5b9a\u65b9\u6cd5\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u306f\u3001DNS\u306b\u767b\u9332\u3055\u308c\u308b\u60c5\u5831\u3067\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u5143\u306e\u6b63\u5f53\u6027\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u9001\u4fe1\u3067\u304d\u308b\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\u3092\u6307\u5b9a\u3057\u3001\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u5f79\u5272\u3092\u679c\u305f\u3059\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u306b\u306f\u591a\u304f\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u9ad8\u3081\u3001\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u306e\u8a55\u4fa1\u3092\u5411\u4e0a\u3055\u305b\u3001DMARC\u3092\u9075\u5b88\u3059\u308b\u305f\u3081\u306b\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u65b9\u6cd5\u306f\u3001DNS\u30b5\u30fc\u30d0\u30fc\u3067TXT\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u3066\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3001\u6a5f\u69cb\u3001\u9650\u5b9a\u5b50\u3001\u4fee\u98fe\u5b50\u3092\u9069\u5207\u306b\u8a18\u8ff0\u3057\u3001SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u8a2d\u5b9a\u5f8c\u306f\u5fc5\u305a\u6b63\u3057\u304f\u6a5f\u80fd\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u306f\u3001\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u9ad8\u3081\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3057\u3063\u304b\u308a\u3068\u8a2d\u5b9a\u3057\u3001\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2024\/02\/image.png\" alt=\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u30d0\u30ca\u30fc\" class=\"wp-image-2358\" width=\"852\" 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