{"id":20379,"date":"2025-12-02T09:31:55","date_gmt":"2025-12-02T00:31:55","guid":{"rendered":"https:\/\/www.synergy-marketing.co.jp\/blog\/?p=20379"},"modified":"2025-12-02T09:31:55","modified_gmt":"2025-12-02T00:31:55","slug":"email_what-is-spf","status":"publish","type":"post","link":"https:\/\/www.synergy-marketing.co.jp\/blog\/email_what-is-spf","title":{"rendered":"\u30e1\u30fc\u30eb\u306eSPF\u8a2d\u5b9a\u3068\u306f\uff1f\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u304e\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u4ed5\u7d44\u307f"},"content":{"rendered":"<div class=\"post-content\">\n<div class=\"box box-gray\">\n<p><strong>&lt;\u3053\u306e\u8a18\u4e8b\u3067\u308f\u304b\u308b\u3053\u3068&gt;<\/strong><\/p>\n<ul>\n<li>SPF\u306f\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u306e\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u3092DNS\u306b\u767b\u9332\u3057\u3001\u53d7\u4fe1\u5074\u304c\u6b63\u898f\u306e\u9001\u4fe1\u304b\u5224\u5b9a\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3001\u306a\u308a\u3059\u307e\u3057\u3084\u30b9\u30d1\u30e0\u3092\u9632\u3050\u57fa\u76e4\u3068\u306a\u308b\u3002<\/li>\n<li>\u672a\u8a2d\u5b9a\u3060\u3068\u8ff7\u60d1\u30e1\u30fc\u30eb\u6271\u3044\u3084\u53d7\u4fe1\u62d2\u5426\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u3001\u30d6\u30e9\u30f3\u30c9\u306e\u4fe1\u983c\u3092\u640d\u306a\u3046\u305f\u3081\u3001\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u3082\u5c0e\u5165\u3092\u63a8\u5968\u3057\u3066\u3044\u308b\u3002<\/li>\n<li>\u6539\u3056\u3093\u9632\u6b62\u306eDKIM\u3084\u3001\u8a8d\u8a3c\u5931\u6557\u6642\u306e\u51e6\u7406\u3092\u5236\u5fa1\u3059\u308bDMARC\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9632\u5fa1\u529b\u306f\u5927\u5e45\u306b\u9ad8\u307e\u308b\u3002<\/li>\n<li>SPF\u3092\u5c0e\u5165\u3059\u308c\u3070\u5230\u9054\u7387\u304c\u5b89\u5b9a\u3057\u3001\u306a\u308a\u3059\u307e\u3057\u9632\u6b62\u306b\u3088\u3063\u3066\u30d6\u30e9\u30f3\u30c9\u4fe1\u983c\u3082\u5b88\u3089\u308c\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u6210\u679c\u306b\u76f4\u7d50\u3059\u308b\u3002<\/li>\n<li>\u8ee2\u9001\u6642\u306e\u8a8d\u8a3c\u5931\u6557\u3084\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u5229\u7528\u6642\u306eIP\u672a\u767b\u9332\u3068\u3044\u3063\u305f\u8ab2\u984c\u304c\u3042\u308a\u3001\u8a2d\u8a08\u30fb\u904b\u7528\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3001\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u6d3b\u7528\u304c\u6709\u52b9\u3068\u306a\u308b\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/604_mainvisual.png\" alt=\"\u30e1\u30fc\u30eb\u306eSPF\u8a2d\u5b9a\u3068\u306f\uff1f\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u304e\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u4ed5\u7d44\u307f\" width=\"750\" height=\"456\" \/><\/p>\n<p>\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u52b9\u679c\u3092\u9ad8\u3081\u308b\u306b\u306f\u300c\u9867\u5ba2\u306b\u78ba\u5b9f\u306b\u5c4a\u304f\u74b0\u5883\u300d\u3092\u6574\u3048\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u306e\u57fa\u672c\u3068\u306a\u308b\u306e\u304c\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e1\u3064\u3067\u3042\u308bSPF\uff08Sender Policy Framework\uff09\u3067\u3059\u3002<\/p>\n<p>SPF\u306f\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u3092DNS\u306b\u767b\u9332\u3057\u3001\u53d7\u4fe1\u5074\u304c\u6b63\u898f\u306e\u9001\u4fe1\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306fSPF\u306e\u4ed5\u7d44\u307f\u3084\u5c0e\u5165\u30e1\u30ea\u30c3\u30c8\u306b\u52a0\u3048\u3001<a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/dkim\/\" target=\"_blank\" rel=\"noopener\">DKIM<\/a>\u30fb<a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/dmarc\/\" target=\"_blank\" rel=\"noopener\">DMARC<\/a>\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u5fc5\u8981\u6027\u3001\u3055\u3089\u306b\u8a2d\u5b9a\u3084\u904b\u7528\u4e0a\u306e\u6ce8\u610f\u70b9\u3092\u6574\u7406\u3057\u3001\u62c5\u5f53\u8005\u304c\u62bc\u3055\u3048\u308b\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<div class=\"inner-cta\">\n<div class=\"inner-cta-content\">\n<div class=\"inner-cta-content-img\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/wp\/wp-content\/uploads\/thumb_mail_checksheet.png\" alt=\"\u3059\u3050\u4f7f\u3048\u308b\u30c1\u30a7\u30c3\u30af\u30b7\u30fc\u30c8\u4ed8\uff01\u8aa4\u914d\u4fe1\u3092\u9632\u3050\u30e1\u30fc\u30eb\u5236\u4f5c\u30fb\u914d\u4fe1\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\" width=\"200\" height=\"150\" \/><\/p>\n<\/div>\n<div class=\"inner-cta-content-text\">\n<h4>\u3059\u3050\u4f7f\u3048\u308b\u30c1\u30a7\u30c3\u30af\u30b7\u30fc\u30c8\u4ed8\uff01\u8aa4\u914d\u4fe1\u3092\u9632\u3050\u30e1\u30fc\u30eb\u5236\u4f5c\u30fb\u914d\u4fe1\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h4>\n<p>\u30e1\u30fc\u30eb\u5236\u4f5c\u30fb\u914d\u4fe1\u6642\u306e\u8aa4\u914d\u4fe1\u3092\u9632\u3050\u305f\u3081\u306b\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u77e5\u8b58\u3068\u904b\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb<\/p>\n<p class=\"inner-cta-content-btn\"><a id=\"ct-blog-innnercta-01\" class=\"btn btn-red btn-block\" href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_10\/index.do?code=mail_checksheet\" target=\"_blank\" rel=\"noopener\">\u8cc7\u6599\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2>SPF\u3068\u306f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20381\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/604_image01.png\" alt=\"SPF\u3068\u306f\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/604_image01.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/604_image01-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>\u30e1\u30fc\u30eb\u304c\u6b63\u3057\u304f\u76f8\u624b\u306b\u5c4a\u304d\u3001\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u6b20\u304b\u305b\u306a\u3044\u4ed5\u7d44\u307f\u306e1\u3064\u304cSPF\u3067\u3059\u3002\u30b9\u30d1\u30e0\u3084\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u305f\u3081\u306b\u591a\u304f\u306e\u4f01\u696d\u304c\u5c0e\u5165\u3057\u3066\u304a\u308a\u3001\u5b89\u5168\u306a\u901a\u4fe1\u74b0\u5883\u3092\u5b88\u308b\u57fa\u76e4\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306fSPF\u306e\u4ed5\u7d44\u307f\u3068\u91cd\u8981\u6027\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>SPF\u306e\u4ed5\u7d44\u307f<\/h3>\n<p>SPF\u306e\u57fa\u672c\u306f\u300c\u81ea\u793e\u306e\u30b5\u30fc\u30d0\u304b\u3089\u306e\u9001\u4fe1\u306f\u6b63\u5f53\u3067\u3042\u308b\u300d\u3068\u8a3c\u660e\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u53d7\u4fe1\u8005\u304c\u5b89\u5fc3\u3057\u3066\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308c\u308b\u3088\u3046\u3001\u9001\u4fe1\u5143\u306e\u6b63\u5f53\u6027\u3092\u4e8b\u524d\u306b\u5ba3\u8a00\u3059\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306e\u904b\u7528\u3067\u306f\u3001\u81ea\u793e\u306eDNS\u30b5\u30fc\u30d0\u306bSPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3001\u5229\u7528\u3059\u308b\u9001\u4fe1\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u767b\u9332\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u53d7\u4fe1\u5074\u30b5\u30fc\u30d0\u306f\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3057\u305f\u969b\u306b\u30ec\u30b3\u30fc\u30c9\u3092\u53c2\u7167\u3057\u3001\u9001\u4fe1\u5143IP\u3068\u7167\u5408\u3057\u3066\u6b63\u5f53\u6027\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u90f5\u4fbf\u7269\u306b\u300c\u5dee\u51fa\u4eba\u8a3c\u660e\u300d\u3092\u8cbc\u308b\u306e\u3068\u540c\u3058\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002\u767b\u9332\u3055\u308c\u305f\u5dee\u51fa\u4eba\u3067\u3042\u308c\u3070\u554f\u984c\u306a\u304f\u5c4a\u304d\u307e\u3059\u304c\u3001\u672a\u767b\u9332\u3067\u3042\u308c\u3070\u4e0d\u5be9\u306a\u90f5\u4fbf\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u3063\u3066\u3001\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u306f\u30b9\u30e0\u30fc\u30ba\u306b\u914d\u4fe1\u3055\u308c\u3001\u4e0d\u6b63\u306a\u9001\u4fe1\u306f\u6392\u9664\u3055\u308c\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>SPF\u306e\u91cd\u8981\u6027<\/h3>\n<p>SPF\u3092\u5c0e\u5165\u3059\u308b\u91cd\u8981\u6027\u306f\u3001\u4e3b\u306b\u300c\u30e1\u30fc\u30eb\u5230\u9054\u7387\u306e\u7dad\u6301\u300d\u3068\u300c\u306a\u308a\u3059\u307e\u3057\u9632\u6b62\u300d\u306e2\u70b9\u306b\u96c6\u7d04\u3055\u308c\u307e\u3059\u3002\u307e\u305a\u3001\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u5b88\u308b\u3053\u3068\u306f\u30d3\u30b8\u30cd\u30b9\u306e\u6839\u5e79\u306b\u95a2\u308f\u308a\u307e\u3059\u3002\u4e3b\u8981\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306f\u9001\u4fe1\u8005\u8a8d\u8a3c\u3092\u91cd\u8996\u3057\u3066\u304a\u308a\u3001SPF\u672a\u8a2d\u5b9a\u306e\u307e\u307e\u3067\u306f\u53d7\u4fe1\u62d2\u5426\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u884c\u304d\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001Gmail\u3084Microsoft\u306a\u3069\u306e\u4e3b\u8981\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u9001\u4fe1\u8005\u304c\u6b63\u898f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u4ed5\u7d44\u307f\u3068\u3057\u3066SPF\u3084DKIM\u306e\u8a2d\u5b9a\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u3082\u3057\u4f01\u696d\u304c\u3053\u308c\u3089\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30e1\u30fc\u30eb\u304c\u672c\u7269\u304b\u3069\u3046\u304b\u3092\u53d7\u4fe1\u5074\u304c\u5224\u5225\u3067\u304d\u305a\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u305f\u308a\u3001\u6700\u60aa\u306e\u5834\u5408\u306f\u53d7\u4fe1\u81ea\u4f53\u3092\u62d2\u5426\u3055\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u6b21\u306b\u306a\u308a\u3059\u307e\u3057\u9632\u6b62\u3082\u3001\u4f01\u696d\u306e\u4fe1\u983c\u3092\u5b88\u308b\u3046\u3048\u3067\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u304c\u8a50\u6b3a\u30e1\u30fc\u30eb\u306b\u4f7f\u308f\u308c\u308b\u3068\u3001\u9867\u5ba2\u304c\u4e0d\u4fe1\u611f\u3092\u62b1\u304d\u3001\u30d6\u30e9\u30f3\u30c9\u30a4\u30e1\u30fc\u30b8\u304c\u640d\u306a\u308f\u308c\u307e\u3059\u3002SPF\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u3051\u3070\u3001\u6b63\u898f\u306e\u9001\u4fe1\u3060\u3051\u3092\u8a8d\u8a3c\u3067\u304d\u3001\u9867\u5ba2\u3068\u4f01\u696d\u53cc\u65b9\u3092\u5b88\u308b\u3053\u3068\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h2>SPF\u3068\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u3057\u305f\u3044DKIM\u3068DMARC<\/h2>\n<p>SPF\u306f\u91cd\u8981\u306a\u4ed5\u7d44\u307f\u3067\u3059\u304c\u3001\u305d\u308c\u3060\u3051\u3067\u306f\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u5341\u5206\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3088\u308a\u5f37\u56fa\u306b\u5b88\u308b\u306b\u306f\u3001\u6539\u3056\u3093\u9632\u6b62\u306eDKIM\u3068\u3001\u8a8d\u8a3c\u5931\u6557\u6642\u306e\u51e6\u7406\u3092\u7d71\u5236\u3059\u308bDMARC\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20340\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/601_image02.png\" alt=\"DMARC\u3092\u652f\u3048\u308bSPF\u3068DKIM\u306e\u4ed5\u7d44\u307f\" width=\"750\" height=\"541\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/601_image02.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/601_image02-194x140.png 194w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/601_image02-638x460.png 638w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>\u3053\u3053\u3067\u306fSPF\u3068\u3042\u308f\u305b\u3066\u5c0e\u5165\u3059\u3079\u304dDKIM\u3068DMARC\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>DKIM\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u5185\u5bb9\u306e\u6539\u3056\u3093\u3092\u9632\u3050<\/h3>\n<p>DKIM\u306f\u300c\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u9014\u4e2d\u3067\u66f8\u304d\u63db\u3048\u3089\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u300d\u3092\u8a3c\u660e\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u9001\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u304c\u79d8\u5bc6\u9375\u3067\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u4e0e\u3057\u3001\u53d7\u4fe1\u5074\u306fDNS\u306b\u516c\u958b\u3055\u308c\u305f\u516c\u958b\u9375\u3067\u96fb\u5b50\u7f72\u540d\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u691c\u8a3c\u306b\u6210\u529f\u3059\u308c\u3070\u3001\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u6b63\u3057\u304f\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u3068\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u3001\u90f5\u4fbf\u306e\u5c01\u5370\u304c\u9014\u4e2d\u3067\u7834\u3089\u308c\u3066\u3044\u308c\u3070\u3059\u3050\u306b\u308f\u304b\u308b\u4ed5\u7d44\u307f\u306b\u8fd1\u3044\u3067\u3057\u3087\u3046\u3002\u305f\u3068\u3048\u3070\u3001\u4f01\u696d\u304c\u914d\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u306b\u6539\u3056\u3093\u304c\u65bd\u3055\u308c\u308c\u3070\u3001\u9867\u5ba2\u306e\u4e0d\u4fe1\u3084\u88ab\u5bb3\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u3057\u304b\u3057DKIM\u3092\u5c0e\u5165\u3059\u308c\u3070\u3001\u6539\u3056\u3093\u3092\u53d7\u4fe1\u5074\u3067\u691c\u51fa\u3067\u304d\u3001\u4fe1\u983c\u3067\u304d\u308b\u30e1\u30fc\u30eb\u3060\u3051\u3092\u5c4a\u3051\u3089\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n<div class=\"box\">\n<div class=\"row\">\n<div class=\"col-md-3 col-sm-4 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/email_what-is-dkim\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/603_mainvisual.png\" alt=\"DKIM\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u5fc5\u9808\u8a2d\u5b9a\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\" \/><\/a><\/div>\n<div class=\"col-md-9 col-sm-8 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/email_what-is-dkim\" target=\"_blank\" rel=\"noopener\"><strong>DKIM\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u5fc5\u9808\u8a2d\u5b9a\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<h3>DMARC\u3068\u306f\uff1f\u8a8d\u8a3c\u5931\u6557\u30e1\u30fc\u30eb\u306e\u6271\u3044\u3092\u6307\u793a\u3059\u308b<\/h3>\n<p><a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/dmarc\/\" target=\"_blank\" rel=\"noopener\">DMARC<\/a>\u306f\u3001SPF\u3068DKIM\u306e\u691c\u8a3c\u7d50\u679c\u3092\u8e0f\u307e\u3048\u3001\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u3092\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3059\u308b\u304b\u3092\u53d7\u4fe1\u30b5\u30fc\u30d0\u306b\u4f1d\u3048\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002DMARC\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u8a8d\u8a3c\u306b\u901a\u3089\u306a\u304b\u3063\u305f\u30e1\u30fc\u30eb\u3092\u62d2\u5426\u3059\u308b\u3001\u9694\u96e2\u3057\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u3078\u79fb\u3059\u3001\u3042\u308b\u3044\u306f\u305d\u306e\u307e\u307e\u53d7\u3051\u5165\u308c\u308b\u3001\u3068\u3044\u3063\u305f\u65b9\u91dd\u3092\u660e\u78ba\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u304c\u5927\u91cf\u306b\u9001\u3089\u308c\u3066\u304d\u3066\u3082\u3001DMARC\u306e\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u3063\u3066\u81ea\u52d5\u7684\u306b\u906e\u65ad\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u30ec\u30dd\u30fc\u30c8\u6a5f\u80fd\u3092\u6d3b\u7528\u3059\u308c\u3070\u3001\u3069\u306e\u30b5\u30fc\u30d0\u304c\u4e0d\u6b63\u306b\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u3092\u5229\u7528\u3057\u3088\u3046\u3068\u3057\u305f\u306e\u304b\u3092\u628a\u63e1\u3067\u304d\u3001\u88ab\u5bb3\u72b6\u6cc1\u3092\u53ef\u8996\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"box\">\n<div class=\"row\">\n<div class=\"col-md-3 col-sm-4 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/email_what-is-dmarc\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/601_mainvisual.png\" alt=\"DMARC\u3068\u306f\uff1f\u8a2d\u5b9a\u65b9\u6cd5\u3092\u89e3\u8aac\uff01\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3044\u3067\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u9ad8\u3081\u308b\" \/><\/a><\/div>\n<div class=\"col-md-9 col-sm-8 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/email_what-is-dmarc\" target=\"_blank\" rel=\"noopener\"><strong>DMARC\u3068\u306f\uff1f\u8a2d\u5b9a\u65b9\u6cd5\u3092\u89e3\u8aac\uff01\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3044\u3067\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u9ad8\u3081\u308b<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<h2>\u30e1\u30fc\u30eb\u306bSPF\u3092\u8a2d\u5b9a\u3059\u308b\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>PF\u306e\u5c0e\u5165\u306f\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u6539\u5584\u3057\u3001\u30d6\u30e9\u30f3\u30c9\u306e\u4fe1\u983c\u6027\u3092\u5b88\u308b\u3068\u3044\u3046\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u6d3b\u52d5\u306b\u76f4\u7d50\u3059\u308b2\u3064\u306e\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30e1\u30ea\u30c3\u30c8\u306b\u3064\u3044\u3066\u5177\u4f53\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u304c\u5411\u4e0a\u3059\u308b<\/h3>\n<p>SPF\u3092\u8a2d\u5b9a\u3059\u308b\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u306e1\u3064\u306f\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u5b89\u5b9a\u3055\u305b\u3089\u308c\u308b\u70b9\u3067\u3059\u3002\u53d7\u4fe1\u30b5\u30fc\u30d0\u304c\u9001\u4fe1\u5143\u3092\u6b63\u3057\u304f\u78ba\u8a8d\u3067\u304d\u308b\u305f\u3081\u3001\u4e0d\u5be9\u306a\u30e1\u30fc\u30eb\u3068\u3057\u3066\u6271\u308f\u308c\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u304c\u5b89\u5b9a\u3059\u308c\u3070\u3001\u30e1\u30eb\u30de\u30ac\u3084\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u544a\u77e5\u3001\u5951\u7d04\u66f4\u65b0\u306e\u6848\u5185\u306a\u3069\u3001\u30d3\u30b8\u30cd\u30b9\u306b\u76f4\u7d50\u3059\u308b\u91cd\u8981\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9867\u5ba2\u306b\u78ba\u5b9f\u306b\u5c4a\u3051\u3089\u308c\u307e\u3059\u3002\u9867\u5ba2\u304c\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308a\u3001\u958b\u5c01\u3057\u3001\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u58f2\u4e0a\u3084\u30ea\u30d4\u30fc\u30c8\u5229\u7528\u306b\u76f4\u7d50\u3059\u308b\u305f\u3081\u3001\u914d\u4fe1\u304c\u5c4a\u304f\u304b\u3069\u3046\u304b\u306f\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u5168\u4f53\u3092\u5de6\u53f3\u3059\u308b\u8981\u7d20\u3067\u3059\u3002<\/p>\n<p>\u3069\u308c\u307b\u3069\u9b45\u529b\u7684\u306a\u5185\u5bb9\u3092\u7528\u610f\u3057\u3066\u3082\u3001\u30e1\u30fc\u30eb\u304c\u76f8\u624b\u306b\u5c4a\u304b\u306a\u3051\u308c\u3070\u52b9\u679c\u306f\u30bc\u30ed\u3067\u3059\u3002SPF\u306e\u5c0e\u5165\u306f\u300c\u5c4a\u304f\u74b0\u5883\u300d\u3092\u6574\u3048\u308b\u57fa\u672c\u3067\u3042\u308a\u3001\u4f01\u696d\u304c\u5c55\u958b\u3059\u308b\u30c7\u30b8\u30bf\u30eb\u65bd\u7b56\u306e\u6210\u679c\u3092\u652f\u3048\u308b\u571f\u53f0\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u53c2\u8003\u8a18\u4e8b\uff1a<a href=\"https:\/\/www.synergy-marketing.co.jp\/cloud\/synergy\/efforts\/\" target=\"_blank\" rel=\"noopener\">\u30e1\u30fc\u30eb\u306e\u9ad8\u3044\u5230\u9054\u7387\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306eSynergy!\uff08\u30b7\u30ca\u30b8\u30fc\uff09\u306e\u53d6\u308a\u7d44\u307f<\/a><\/p>\n<h3>\u30d6\u30e9\u30f3\u30c9\u306e\u4fe1\u983c\u6027\u3092\u5b88\u308b<\/h3>\n<p>\u3082\u30461\u3064\u306e\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u30d6\u30e9\u30f3\u30c9\u3092\u5b88\u308c\u308b\u70b9\u3067\u3059\u3002\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u306f\u3001\u9867\u5ba2\u306b\u76f4\u63a5\u7684\u306a\u88ab\u5bb3\u3092\u4e0e\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u767a\u4fe1\u5143\u3068\u8aa4\u89e3\u3055\u308c\u308b\u4f01\u696d\u306e\u4fe1\u983c\u306b\u3082\u6df1\u523b\u306a\u30c0\u30e1\u30fc\u30b8\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n<p>\u4e00\u5ea6\u300c\u5371\u967a\u306a\u30e1\u30fc\u30eb\u3092\u9001\u308b\u4f1a\u793e\u300d\u3068\u8a8d\u8b58\u3055\u308c\u3066\u3057\u307e\u3046\u3068\u3001\u9867\u5ba2\u3068\u306e\u95a2\u4fc2\u306f\u5bb9\u6613\u306b\u56de\u5fa9\u3067\u304d\u307e\u305b\u3093\u3002SPF\u3092\u8a2d\u5b9a\u3059\u308c\u3070\u3001\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u3092\u60aa\u7528\u3057\u305f\u4e0d\u6b63\u9001\u4fe1\u304c\u6210\u7acb\u3057\u306b\u304f\u304f\u306a\u308a\u3001\u653b\u6483\u8005\u306e\u8a66\u307f\u3092\u6291\u6b62\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u9867\u5ba2\u306f\u300c\u6b63\u898f\u306e\u9001\u4fe1\u5143\u304b\u3089\u5c4a\u3044\u3066\u3044\u308b\u300d\u3068\u5b89\u5fc3\u3057\u3066\u30e1\u30fc\u30eb\u3092\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u3001\u4f01\u696d\u306f\u4e0d\u5fc5\u8981\u306a\u4e0d\u4fe1\u611f\u3092\u62b1\u304b\u308c\u305a\u306b\u6e08\u307f\u307e\u3059\u3002<\/p>\n<p>\u30d6\u30e9\u30f3\u30c9\u30a4\u30e1\u30fc\u30b8\u306f\u5546\u54c1\u3084\u30b5\u30fc\u30d3\u30b9\u305d\u306e\u3082\u306e\u4ee5\u4e0a\u306b\u3001\u4f01\u696d\u5168\u4f53\u306e\u4fa1\u5024\u3092\u5de6\u53f3\u3057\u307e\u3059\u3002\u7d99\u7d9a\u7684\u306a\u53d6\u5f15\u3084\u9867\u5ba2\u30ed\u30a4\u30e4\u30eb\u30c6\u30a3\u306e\u7dad\u6301\u306b\u306f\u3001\u300c\u4fe1\u983c\u3067\u304d\u308b\u767a\u4fe1\u8005\u3067\u3042\u308b\u300d\u3068\u3044\u3046\u8a8d\u8b58\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002SPF\u306e\u5c0e\u5165\u306f\u3001\u9577\u671f\u7684\u306b\u898b\u308c\u3070\u7d4c\u55b6\u8cc7\u7523\u3068\u3057\u3066\u306e\u30d6\u30e9\u30f3\u30c9\u4fa1\u5024\u3092\u5b88\u308b\u65bd\u7b56\u3067\u3082\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\n<h2>SPF\u306e\u6ce8\u610f\u70b9<\/h2>\n<p>SPF\u306f\u30e1\u30fc\u30eb\u306e\u6b63\u5f53\u6027\u3092\u78ba\u8a8d\u3059\u308b\u6709\u52b9\u306a\u4ed5\u7d44\u307f\u3067\u3059\u304c\u3001\u4e07\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u904b\u7528\u3092\u8aa4\u308b\u3068\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u6050\u308c\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306fSPF\u306e\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u8ee2\u9001\u6642\u306b\u8a8d\u8a3c\u304c\u5931\u6557\u3059\u308b<\/h3>\n<p>SPF\u306f\u9001\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3057\u307e\u3059\u304c\u3001\u8ee2\u9001\u30e1\u30fc\u30eb\u3067\u306f\u3046\u307e\u304f\u50cd\u304b\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u53d7\u4fe1\u8005\u304c\u8ee2\u9001\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u308b\u3068\u3001\u30e1\u30fc\u30eb\u306f\u4e00\u5ea6\u8ee2\u9001\u30b5\u30fc\u30d0\u3092\u7d4c\u7531\u3057\u3066\u518d\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u4f7f\u7528\u3055\u308c\u308b\u306e\u306f\u8ee2\u9001\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u8ee2\u9001\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u5143\u306e\u30c9\u30e1\u30a4\u30f3\u306eSPF\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u53d7\u4fe1\u5074\u3067\u300c\u4e0d\u6b63\u306a\u9001\u4fe1\u300d\u3068\u5224\u65ad\u3055\u308c\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7d50\u679c\u3068\u3057\u3066\u3001\u672c\u6765\u306f\u6b63\u898f\u306e\u9001\u4fe1\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u8ff7\u60d1\u30e1\u30fc\u30eb\u6271\u3044\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n<h3>\u53d7\u4fe1\u30b5\u30fc\u30d0\u5074\u3067\u300c\u9001\u4fe1\u5143IP\u304c\u672a\u767b\u9332\u300d\u3068\u5224\u5b9a\u3055\u308c\u308b<\/h3>\n<p>\u3082\u30461\u3064\u306e\u6ce8\u610f\u70b9\u306f\u3001\u7b2c\u4e09\u8005\u306e\u30b5\u30fc\u30d0\u3092\u5229\u7528\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u5916\u90e8\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3084\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u7d4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class=\"inner-cta\">\n<div class=\"inner-cta-content\">\n<div class=\"inner-cta-content-img\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/wp\/wp-content\/uploads\/thumb_download_all_mailmarketing.png\" alt=\"\u3053\u308c\u304b\u3089CRM\u6d3b\u7528\u3092\u306f\u3058\u3081\u308b\u4eba\u306b\u307f\u3066\u307b\u3057\u3044\u300c\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3067\u6210\u679c\u3092\u51fa\u3059\u305f\u3081\u306e\u8cc7\u6599\u300d3\u70b9\u30bb\u30c3\u30c8\" width=\"200\" height=\"150\" \/><\/p>\n<\/div>\n<div class=\"inner-cta-content-text\">\n<h4>\u3053\u308c\u304b\u3089CRM\u6d3b\u7528\u3092\u306f\u3058\u3081\u308b\u4eba\u306b\u307f\u3066\u307b\u3057\u3044\u300c\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3067\u6210\u679c\u3092\u51fa\u3059\u305f\u3081\u306e\u8cc7\u6599\u300d3\u70b9\u30bb\u30c3\u30c8<\/h4>\n<p>\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u57fa\u790e\u304c\u308f\u304b\u308b\u864e\u306e\u5dfb\u304b\u3089\u3001\u6210\u679c\u3092\u51fa\u3059\u305f\u3081\u306eTips\u307e\u3067\u304c\u30bb\u30c3\u30c8\u306b\u306a\u3063\u305f\u8cc7\u6599\u3092\u307e\u3068\u3081\u3066\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff01<\/p>\n<p class=\"inner-cta-content-btn\"><a id=\"ct-blog-innnercta-02\" class=\"btn btn-red btn-block\" href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_10\/index.do?code=download_all_mailmarketing\" target=\"_blank\" rel=\"noopener\">\u8cc7\u6599\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u57fa\u672c\u7684\u306a\u8a2d\u5b9a\u65b9\u6cd5\u3068\u78ba\u8a8d\u65b9\u6cd5<\/h2>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u884c\u3046\u305f\u3081\u306bDNS\u306b\u8a2d\u5b9a\u3059\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u66f8\u5f0f\u3092\u8aa4\u308b\u3068\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u6271\u3044\u306b\u306a\u308b\u6050\u308c\u304c\u3042\u308b\u305f\u3081\u3001\u57fa\u672c\u7684\u306a\u8a18\u8ff0\u65b9\u6cd5\u3068\u78ba\u8a8d\u306e\u624b\u9806\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306fSPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u3068\u78ba\u8a8d\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h3>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30fc\u30eb\u306e\u6b63\u5f53\u6027\u3092\u8a3c\u660e\u3059\u308b\u305f\u3081\u3001DNS\u30b5\u30fc\u30d0\u306bTXT\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u57fa\u672c\u66f8\u5f0f\u306f\u300cv=spf1\u300d\u304b\u3089\u59cb\u307e\u308a\u3001\u8a31\u53ef\u3059\u308b\u9001\u4fe1\u5143\u3092\u300cip4:\u300d\u300cip6:\u300d\u300cinclude:\u300d\u3067\u6307\u5b9a\u3057\u3001\u6700\u5f8c\u306b\u300c~all\u300d\u307e\u305f\u306f\u300c-all\u300d\u3067\u305d\u306e\u4ed6\u306e\u9001\u4fe1\u3092\u3069\u3046\u6271\u3046\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u6642\u306b\u306f\u3001\u9001\u4fe1\u5143\u3068\u306a\u308b\u3059\u3079\u3066\u306eIP\u3084\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u3092\u6b63\u78ba\u306b\u6d17\u3044\u51fa\u3059\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u8aa4\u3063\u305f\u8a2d\u5b9a\u306f\u3001\u6b63\u898f\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u3055\u308c\u308b\u539f\u56e0\u3068\u306a\u308b\u305f\u3081\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u78ba\u8a8d\u65b9\u6cd5<\/h3>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u305f\u5f8c\u306f\u3001\u6b63\u3057\u304f\u53cd\u6620\u3055\u308c\u3066\u3044\u308b\u304b\u5fc5\u305a\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002DNS\u8a2d\u5b9a\u304c\u53cd\u6620\u3055\u308c\u308b\u307e\u3067\u306b\u306f\u6570\u6642\u9593\u301c\u6700\u592772\u6642\u9593\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u5f85\u6a5f\u5f8c\u306b\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3044\u307e\u3059\u3002\u78ba\u8a8d\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u3092\u691c\u7d22\u3067\u304d\u308b\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n<p>Gmail\u306a\u3069\u4e3b\u8981\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306b\u30c6\u30b9\u30c8\u9001\u4fe1\u3057\u3001\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u30fc\u306b\u8a18\u8f09\u3055\u308c\u305f\u300cReceived-SPF\u300d\u7d50\u679c\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3082\u6709\u52b9\u3067\u3059\u3002\u7d50\u679c\u304c\u300cpass\u300d\u3068\u8868\u793a\u3055\u308c\u308c\u3070\u8a8d\u8a3c\u6210\u529f\u3092\u610f\u5473\u3057\u3001\u300cfail\u300d\u3084\u300csoftfail\u300d\u304c\u51fa\u308b\u5834\u5408\u306f\u8a2d\u5b9a\u30df\u30b9\u3084\u9001\u4fe1\u5143IP\u306e\u672a\u767b\u9332\u3092\u7591\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u4f8b<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20382\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/604_image02.png\" alt=\"SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u4f8b\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/604_image02.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/604_image02-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u66f8\u304d\u65b9\u304c\u3042\u308a\u3001\u74b0\u5883\u3084\u5229\u7528\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u3063\u3066\u9069\u5207\u306a\u5f62\u5f0f\u3092\u9078\u3076\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u57fa\u672c\u7684\u306aIP\u6307\u5b9a\u304b\u3089\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5358\u4f4d\u306e\u7bc4\u56f2\u6307\u5b9a\u3001\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u5229\u7528\u6642\u306einclude\u3001\u305d\u3057\u3066\u5927\u898f\u6a21\u904b\u7528\u3067\u306e\u5de5\u592b\u307e\u3067\u3001\u4ee3\u8868\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u6574\u7406\u3057\u3066\u7406\u89e3\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306fSPF\u30ec\u30b3\u30fc\u30c9\u306e\u5177\u4f53\u7684\u306a\u8a18\u8ff0\u4f8b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>IP\u6307\u5b9a\uff08ip4\uff0fip6\uff09<\/h3>\n<p>\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306aSPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u76f4\u63a5\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u8a18\u8ff0\u4f8b\u3068\u3057\u3066\u306f v=spf1 ip4:192.0.2.1 -all \u3068\u306a\u308a\u307e\u3059\u3002\u300cv=spf1\u300d\u306fSPF\u30ec\u30b3\u30fc\u30c9\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3001\u300cip4:192.0.2.1\u300d\u306f\u8a31\u53ef\u3059\u308b\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u6700\u5f8c\u306e\u300c-all\u300d\u306f\u3001\u305d\u308c\u4ee5\u5916\u306e\u9001\u4fe1\u5143\u3092\u3059\u3079\u3066\u62d2\u5426\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u304c\u5358\u7d14\u306a\u305f\u3081\u8aa4\u8a2d\u5b9a\u306e\u30ea\u30b9\u30af\u306f\u4f4e\u3044\u3067\u3059\u304c\u3001IP\u304c\u5909\u308f\u3063\u305f\u5834\u5408\u306b\u306f\u5373\u5ea7\u306b\u66f4\u65b0\u304c\u5fc5\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u3084\u8907\u6570\u306e\u9001\u4fe1\u5143\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u5bfe\u5fdc\u304c\u96e3\u3057\u304f\u306a\u308b\u305f\u3081\u3001\u67d4\u8edf\u6027\u306b\u306f\u6b20\u3051\u307e\u3059\u3002\u307e\u305a\u306f\u793e\u5185\u30b5\u30fc\u30d01\u53f0\u306e\u307f\u3067\u904b\u7528\u3059\u308b\u5834\u5408\u306b\u6709\u52b9\u306a\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<h3>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6307\u5b9a\uff08CIDR\uff09<\/h3>\n<p>\u8907\u6570\u306e\u9023\u7d9a\u3057\u305fIP\u30a2\u30c9\u30ec\u30b9\u3092\u307e\u3068\u3081\u3066\u8a31\u53ef\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5358\u4f4d\u3067\u306e\u6307\u5b9a\u304c\u6709\u52b9\u3067\u3059\u3002\u305f\u3068\u3048\u3070 v=spf1 ip4:192.0.2.0\/24 ~all \u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3068\u3001192.0.2.0\uff5e192.0.2.255\u306e\u7bc4\u56f2\u3059\u3079\u3066\u304c\u9001\u4fe1\u5143\u3068\u3057\u3066\u8a31\u53ef\u3055\u308c\u307e\u3059\u3002\u300c\/24\u300d\u306e\u90e8\u5206\u306fCIDR\u8868\u8a18\u3067\u3001\u8a31\u53ef\u3059\u308b\u7bc4\u56f2\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6307\u5b9a\u306f\u3001\u793e\u5185\u3067\u8907\u6570\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u904b\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3084\u3001\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3067IP\u304c\u5909\u52d5\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306b\u4fbf\u5229\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u8a31\u53ef\u7bc4\u56f2\u304c\u5e83\u3059\u304e\u308b\u3068\u3001\u4e0d\u6b63\u4e2d\u7d99\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u7bc4\u56f2\u306b\u7d5e\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>include\u306e\u5834\u5408<\/h3>\n<p>\u5916\u90e8\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306b\u306f\u3001include\u3092\u7528\u3044\u305f\u8a18\u8ff0\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001Google Workspace\u3092\u4f7f\u3046\u5834\u5408\u306f v=spf1 include:_spf.google.com ~all 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href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/kpi\/\" target=\"_blank\" rel=\"noopener\">KPI<\/a>\u53ef\u8996\u5316\u3067\u691c\u8a3c\uff5e\u6539\u5584\u306e\u30b5\u30a4\u30af\u30eb\u3092\u52a0\u901f\u3057\u307e\u3059\u3002\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u7d4c\u7531\u306e\u9001\u4fe1\u3092\u524d\u63d0\u306b\u3057\u305f\u30ea\u30b9\u30c8\u8a2d\u8a08\u3084\u914d\u4fe1\u505c\u6b62\u30fb\u540c\u610f\u7ba1\u7406\u3068\u3082\u5408\u308f\u305b\u3066\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3068\u5230\u9054\u7387\u306e\u4e21\u7acb\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u300eSynergy!\u300f\u3092\u63d0\u4f9b\u3059\u308b\u30b7\u30ca\u30b8\u30fc\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u6226\u7565\u8a2d\u8a08\u304b\u3089\u5b9f\u88c5\u30fb\u904b\u7528\u6539\u5584\u307e\u3067\u4e00\u6c17\u901a\u8cab\u3067\u3054\u652f\u63f4\u3057\u307e\u3059\u3002SPF\u30fbDKIM\u30fbDMARC\u306e\u5c0e\u5165\u30fb\u898b\u76f4\u3057\u3084\u5230\u9054\u7387\u306e\u6539\u5584\u306b\u8ab2\u984c\u3092\u304a\u6301\u3061\u3067\u3057\u305f\u3089\u3001\u307e\u305a\u306f\u304a\u6c17\u8efd\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_8\/index.do\" target=\"_blank\" rel=\"noopener\">\u304a\u554f\u3044\u5408\u308f\u305b\u306f\u3053\u3061\u3089<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&lt;\u3053\u306e\u8a18\u4e8b\u3067\u308f\u304b\u308b\u3053\u3068&gt; SPF\u306f\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u306e\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u3092DNS\u306b\u767b\u9332\u3057\u3001\u53d7\u4fe1\u5074\u304c\u6b63\u898f\u306e\u9001\u4fe1\u304b\u5224\u5b9a\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3001\u306a\u308a\u3059\u307e\u3057\u3084\u30b9\u30d1\u30e0\u3092\u9632\u3050\u57fa\u76e4\u3068\u306a\u308b\u3002 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