{"id":14490,"date":"2026-02-05T11:30:44","date_gmt":"2026-02-05T02:30:44","guid":{"rendered":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=14490"},"modified":"2026-02-05T16:02:49","modified_gmt":"2026-02-05T07:02:49","slug":"dmarc%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e3%81%a8%e3%81%af","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=14490","title":{"rendered":"DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u306f\uff1f\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u3060\u3051\u3092\u5c4a\u3051\u308b\u904b\u7528\u30b9\u30c6\u30c3\u30d7\u3092\u89e3\u8aac\uff01"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2026\/02\/20260205_blog.png\" alt=\"DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u306f\uff1f\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u3060\u3051\u3092\u5c4a\u3051\u308b\u904b\u7528\u30b9\u30c6\u30c3\u30d7\u3092\u89e3\u8aac\uff01\" width=\"100%\" class=\"aligncenter size-full wp-image-19964\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2026\/02\/20260205_blog.png 650w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2026\/02\/20260205_blog-300x185.png 300w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2026\/02\/20260205_blog-225x139.png 225w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<blockquote>\n<p>\u3053\u306e\u8a18\u4e8b\u306f <a href=\"https:\/\/www.twilio.com\/en-us\/blog\/insights\/dmarc-monitoring\" target=\"_blank\">The Ins and Outs of DMARC Monitoring in 2026<\/a> \u306e\u6284\u8a33\u3067\u3059\u3002<\/p>\n<\/blockquote>\n<p>\u30e1\u30fc\u30eb\u3092\u6700\u5927\u9650\u6d3b\u7528\u3057\u305f\u3044\u4f01\u696d\u306b\u3068\u3063\u3066\u3001\u4eca\u3084\u300cDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u300d\u306f\u5fc5\u9808\u3067\u3059\u3002\u305d\u308c\u306f\u306a\u305c\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u73fe\u5728\u3001\u591a\u304f\u306e\u30a4\u30f3\u30dc\u30c3\u30af\u30b9\u30fb\u30d7\u30ed\u30d0\u30a4\u30c0\u304c<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=12833\" rel=\"noopener\" target=\"_blank\">BIMI<\/a>\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u767a\u8868\u3057\u3066\u3044\u307e\u3059\u3002BIMI\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u53d7\u4fe1\u30c8\u30ec\u30a4\u306b\u30d6\u30e9\u30f3\u30c9\u306e\u30ed\u30b4\u304c\u8868\u793a\u3055\u308c\u308b\u305f\u3081\u3001\u53d7\u4fe1\u8005\u306e\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>BIMI\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001\u4e8b\u524d\u6e96\u5099\u3068\u3057\u3066<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=3137\" rel=\"noopener\" target=\"_blank\">DMARC<\/a>\u7528\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u767b\u9332\u306b\u52a0\u3048\u3066\u3001DMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\uff08DMARC\u30dd\u30ea\u30b7\u30fc\u3092 \u201cnone\u201d \u304b\u3089 \u201cquarantine\u201d \u307e\u305f\u306f \u201creject\u201d \u306b\u5f15\u304d\u4e0a\u3052\u308b\u3053\u3068\uff09\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u4e8b\u524d\u306e\u8abf\u67fb\u306a\u3057\u306bDMARC\u30dd\u30ea\u30b7\u30fc\u3092\u5f15\u304d\u4e0a\u3052\u308b\u306e\u306f\u7981\u7269\u3067\u3059\u3002\u307e\u305a\u306f\u3001\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u304c\u3059\u3079\u3066\u5b9f\u969b\u306bDMARC\u3092\u901a\u904e\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u306a\u3051\u308c\u3070\u3001\u81ea\u5206\u305f\u3061\u304c\u9001\u3063\u305f\u30e1\u30fc\u30eb\u3092\u81ea\u5206\u305f\u3061\u3067\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3057\u307e\u3046\u30ea\u30b9\u30af\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u305d\u3093\u306a\u3068\u304d\u306bDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<br \/>\nDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3048\u3070\u3001\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u3092\u4f7f\u3063\u3066\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\uff08\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084IP\u30a2\u30c9\u30ec\u30b9\uff09\u3068\u305d\u306e\u4ef6\u6570\u3001\u305d\u3057\u3066\u305d\u308c\u3089\u304c\u8a8d\u8a3c\u3092\u901a\u904e\u3057\u3066\u3044\u308b\u304b\u304c\u6b63\u78ba\u306b\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u3053\u305d\u304c\u3001\u81ea\u6ec5\u3059\u308b\u3053\u3068\u306a\u304fDMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u306b\u5230\u9054\u3059\u308b\u305f\u3081\u306e\u6700\u5584\u306e\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<h3>DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u306f\uff1f<\/h3>\n<p>DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u306f\u3001DMARC\u30ec\u30dd\u30fc\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u3001\u3042\u306a\u305f\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u306a\u308a\u3059\u307e\u3059\u4e0d\u6b63\u306a\u9001\u4fe1\u8005\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>DMARC\u30ec\u30b3\u30fc\u30c9\u3067\u306f\u3001DMARC\u30ec\u30dd\u30fc\u30c8\u3092\u53d7\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u30ec\u30dd\u30fc\u30c8\u306f\u975e\u5e38\u306b\u6709\u7528\u3067\u3059\u304c\u3001\u7406\u89e3\u3059\u308b\u306e\u306f\u5c11\u3057\u96e3\u3057\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u5143\u306eDMARC\u30ec\u30dd\u30fc\u30c8\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b7\u30f3\u30d7\u30eb\u306aXML\u30c7\u30fc\u30bf\u3067\u3059\u3002\u30ec\u30dd\u30fc\u30c8\u306b\u306f\u5404\u30e1\u30fc\u30eb\u306eIP\u30a2\u30c9\u30ec\u30b9\u3084\u8a8d\u8a3c\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img01.png\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img01.png\" alt=\"DMARC\u30ec\u30dd\u30fc\u30c8\" width=\"100%\" class=\"aligncenter size-full wp-image-14501\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img01.png 1195w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img01-300x278.png 300w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img01-768x711.png 768w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img01-1024x949.png 1024w\" sizes=\"(max-width: 1195px) 100vw, 1195px\" \/><\/a><\/p>\n<p>\u624b\u8efd\u306bDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u59cb\u3081\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1fTwilio SendGrid\u306e\u30d1\u30fc\u30c8\u30ca\u30fc\u3067\u3042\u308a\u3001\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u306e\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5c02\u9580\u3068\u3059\u308b<a href=\"https:\/\/www.valimail.com\/\" rel=\"noopener\" target=\"_blank\">Valimail\u793e<\/a>\u306f\u3001SendGrid\u306e\u5229\u7528\u8005\u5411\u3051\u306b\u7121\u6599\u306e<a href=\"https:\/\/use.valimail.com\/tsg-monitor.html\" rel=\"noopener\" target=\"_blank\">DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Valimail\u3092\u306f\u3058\u3081\u3068\u3059\u308bDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u89b3\u70b9\u3067\u3001DMARC\u306e\u5c0e\u5165\u3068\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u652f\u63f4\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u7c21\u7d20\u5316\uff1a<\/strong><br \/>DMARC\u30dd\u30ea\u30b7\u30fc\u3092\u5ba3\u8a00\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306aDNS\u30ec\u30b3\u30fc\u30c9\u3092\u7c21\u5358\u306b\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff1a<\/strong><br \/>\u30e1\u30fc\u30eb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u76e3\u8996\u3057\u3001\u8a8d\u8a3c\u306e\u554f\u984c\u304c\u691c\u51fa\u3055\u308c\u305f\u969b\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u901a\u77e5\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u8a73\u7d30\u306a\u30ec\u30dd\u30fc\u30c8\u306e\u751f\u6210\uff1a<\/strong><br \/>\u30c9\u30e1\u30a4\u30f3\u6240\u6709\u8005\u304c\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u30c9\u30e1\u30a4\u30f3\u306e\u5229\u7528\u72b6\u6cc1\u3092\u7406\u89e3\u3057\u3001\u6f5c\u5728\u7684\u306a\u8105\u5a01\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li><strong>\u5c02\u9580\u77e5\u8b58\u306e\u63d0\u4f9b\uff1a<\/strong><br \/>\u591a\u304f\u306e\u5834\u5408\u3001\u30e1\u30fc\u30eb\u8a8d\u8a3c\u306b\u95a2\u3059\u308b\u5c02\u9580\u7684\u306a\u77e5\u8b58\u3068\u30ce\u30a6\u30cf\u30a6\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u7d44\u7e54\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u52b9\u679c\u7684\u306b\u5b9f\u65bd\u3059\u308b\u306e\u3092\u652f\u63f4\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u5c0e\u5165\u3057\u3066\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308c\u3070\u3001\u30e1\u30fc\u30eb\u30d9\u30fc\u30b9\u306e\u653b\u6483\u306e\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u3001\u30d6\u30e9\u30f3\u30c9\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Valimail\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u305f\u5f8c\u3001DMARC\u30ec\u30dd\u30fc\u30c8\u304cValimail\u306b\u9001\u4fe1\u3055\u308c\u308b\u3088\u3046DMARC\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n<p>\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u4e0a\u3067DMARC\u30ec\u30dd\u30fc\u30c8\u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u306f\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u542b\u3080\u3042\u3089\u3086\u308b\u30c7\u30fc\u30bf\u304c\u63d0\u4f9b\u3055\u308c\u308b\u306e\u3067\u3001DMARC\u30dd\u30ea\u30b7\u30fc\u3092\u6c7a\u5b9a\u3059\u308b\u969b\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img02.png\" alt=\"\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u4e0a\u3067DMARC\u30ec\u30dd\u30fc\u30c8\u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3067\u304d\u308b\" width=\"100%\" class=\"aligncenter size-full wp-image-14493\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img02.png 720w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img02-300x214.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<h3>DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306e\u65b9\u6cd5<\/h3>\n<p>DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306f\u30e1\u30fc\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u52a0\u3048\u3066\u3001DMARC\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u3059\u3050\u306bBIMI\u306e\u5c0e\u5165\u3092\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u7ae0\u3067\u306f\u3001Valimail\u3092\u4f7f\u3063\u3066DMARC\u30ec\u30dd\u30fc\u30c8\u3092\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3057\u3001DMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u306b\u81f3\u308b\u307e\u3067\u306e\u624b\u9806\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h4>1. Valimail\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4f5c\u6210<\/h4>\n<p><a href=\"https:\/\/go.valimail.com\/TwilioSendGrid\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089\u306e\u30da\u30fc\u30b8<\/a>\u304b\u3089Valimail\u306e\u7121\u6599\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<h4>2. DMARC\u30ec\u30b3\u30fc\u30c9\u306e\u516c\u958b<\/h4>\n<p>\u6b21\u306b\u3001DMARC\u30ec\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>\u30ec\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b\u969b\u3001DMARC\u30ec\u30dd\u30fc\u30c8\u304cValimail\u306b\u76f4\u63a5\u9001\u3089\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3001\u201drua\u201d\u30bf\u30b0\u306bValimail\u306e\u53d7\u4fe1\u30dc\u30c3\u30af\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002DMARC\u30ec\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img03.png\" alt=\"DMARC\u30ec\u30b3\u30fc\u30c9\" width=\"100%\" class=\"aligncenter size-full wp-image-14494\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img03.png 1101w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img03-300x33.png 300w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img03-768x84.png 768w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/09\/img03-1024x112.png 1024w\" sizes=\"(max-width: 1101px) 100vw, 1101px\" \/><\/p>\n<h4>3. \u9001\u4fe1\u8005\u306e\u78ba\u8a8d<\/h4>\n<p>DMARC\u30ec\u30dd\u30fc\u30c8\u3092Valimail\u306b\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3089\u3001\u307e\u305a\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u3092\u8a66\u307f\u3066\u3044\u308b\u4eba\u304c\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u3001\u9001\u4fe1\u901a\u6570\u3001<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=879\" rel=\"noopener\" target=\"_blank\">SPF\u30fbDKIM\u30fb DMARC<\/a>\u306e\u8a8d\u8a3c\u306b\u30d1\u30b9\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u60c5\u5831\u304b\u3089\u3001\u9001\u4fe1\u8005\u306e\u30bd\u30fc\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u898b\u899a\u3048\u306e\u306a\u3044\u30bd\u30fc\u30b9\u304c\u3042\u308b\u5834\u5408\u3001\u7d44\u7e54\u5185\u306e\u8ab0\u304b\u304c\u540c\u3058\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u30e1\u30fc\u30eb\u9001\u4fe1\u3057\u3066\u3044\u308b\u304b\u3001\u7b2c\u4e09\u8005\u304c\u3042\u306a\u305f\u306b\u306a\u308a\u3059\u307e\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u308a\u3059\u307e\u3057\u306b\u3088\u308b\u30e1\u30fc\u30eb\u9001\u4fe1\u306f<a href=\"https:\/\/support.sendgrid.kke.co.jp\/hc\/ja\/articles\/25050550861593\" rel=\"noopener\" target=\"_blank\">\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3<\/a>\u306e\u4f4e\u4e0b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u308a\u3059\u307e\u3057\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3001\u30e1\u30fc\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4fdd\u8b77\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/sendgrid.com\/marketing\/guide-uplevel-your-email-senderops\/\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089\u306e\u30ac\u30a4\u30c9<\/a>\u3082\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4>4. DMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8<\/h4>\n<p>\u3059\u3079\u3066\u306e\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u304cDMARC\u3092\u30d1\u30b9\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u305f\u3089\u3001DMARC\u30ec\u30b3\u30fc\u30c9\u306e\u30dd\u30ea\u30b7\u30fc\u3092 \u201cquarantine\u201d \u307e\u305f\u306f \u201creject\u201d \u306b\u66f4\u65b0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8a8d\u8a3c\u3092\u30d1\u30b9\u3057\u305f\u30e1\u30fc\u30eb\u306e\u307f\u304c\u5b9b\u5148\u306b\u5c4a\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>BIMI\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001DMARC\u30dd\u30ea\u30b7\u30fc\u306b \u201cquarantine\u201d \u304b \u201creject\u201d \u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u201cp=none\u201d \u306e\u307e\u307eBIMI\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<h4>5. \u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306e\u7d99\u7d9a<\/h4>\n<p>DMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u3092\u884c\u3063\u305f\u5f8c\u3082\u3001DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u7d99\u7d9a\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002DMARC\u30ec\u30dd\u30fc\u30c8\u3092\u5b9a\u671f\u7684\u306b\u78ba\u8a8d\u3057\u3066\u3001\u65e2\u77e5\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u8a8d\u8a3c\u30b9\u30c6\u30fc\u30bf\u30b9\u306e\u5909\u5316\u3084\u3001\u65b0\u305f\u306b\u30ec\u30dd\u30fc\u30c8\u306b\u73fe\u308c\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u30b5\u30fc\u30d3\u30b9\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u5185\u90e8\u4ed5\u69d8\u306e\u5909\u66f4\u306a\u3069\u3092\u3059\u3050\u306b\u691c\u77e5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u304c\u3042\u308c\u3070\u3001\u3053\u3053\u307e\u3067\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u6cbf\u3063\u3066\u8a2d\u5b9a\u3092\u66f4\u65b0\u3059\u308b\u304b\u3001\u9069\u5207\u306a<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=3509\" rel=\"noopener\" target=\"_blank\">SPF\u30ec\u30b3\u30fc\u30c9<\/a>\u3084<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=2044\" rel=\"noopener\" target=\"_blank\">DKIM\u30ec\u30b3\u30fc\u30c9<\/a>\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u4f7f\u308f\u306a\u3044\u30b5\u30fc\u30d3\u30b9\u306eSPF\u30fbDKIM\u30ec\u30b3\u30fc\u30c9\u306f\u524a\u9664\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u307e\u3068\u3081<\/h3>\n<p>DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u3092\u76e3\u8996\u3057\u3001\u4e0d\u6b63\u306a\u9001\u4fe1\u8005\u306b\u3088\u308b\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u4e07\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001DMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u306f\u3001\u30e1\u30fc\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u3084BIMI\u306e\u5229\u7528\u306e\u305f\u3081\u306b\u5fc5\u9808\u306e\u5bfe\u5fdc\u3067\u3059\u3002BIMI\u306b\u3088\u3063\u3066\u53d7\u4fe1\u30c8\u30ec\u30a4\u306b\u30ed\u30b4\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u306f\u5c0f\u3055\u306a\u5909\u5316\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u30d6\u30e9\u30f3\u30c9\u306e\u8a8d\u77e5\u5ea6\u3092\u9ad8\u3081\u3001\u53d7\u4fe1\u8005\u306e\u4fe1\u983c\u7372\u5f97\u306b\u3064\u306a\u304c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u624b\u8efd\u306bDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u59cb\u3081\u308b\u306b\u306f\u3001<a href=\"https:\/\/go.valimail.com\/TwilioSendGrid\" rel=\"noopener\" target=\"_blank\">Valimail\u306eDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb<\/a>\u3092\u4f7f\u3046\u306e\u304c\u304a\u52e7\u3081\u3067\u3059\u3002<\/p>\n<p>BIMI\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=19119\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089<\/a>\u3082\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h3>\n<p><strong>Q\uff1a\u300cDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u300d\u3068\u300cDMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u300d\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f <\/strong><\/p>\n<p>DMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306f\u3001\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u4f55\u304c\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001DMARC\u30ec\u30dd\u30fc\u30c8\u3092\u53ce\u96c6\u3057\u3066\u3044\u308b\u72b6\u614b\u3092\u6307\u3057\u307e\u3059\u3002<br \/>\n\u4e00\u65b9\u3001DMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u3068\u306f\u3001\u30dd\u30ea\u30b7\u30fc\u3092 \u201cquarantine\u201c\uff08\u9694\u96e2\uff09\u307e\u305f\u306f \u201creject\u201c\uff08\u62d2\u5426\uff09\u306b\u8a2d\u5b9a\u3057\u3001\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u3092\u80fd\u52d5\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u72b6\u614b\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p><strong>Q\uff1aDMARC\u3092\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u3001\u5c02\u7528\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304b\uff1f <\/strong><\/p>\n<p>\u5fc5\u9808\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u81ea\u5206\u3067\u89e3\u6790\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001DMARC\u30ec\u30dd\u30fc\u30c8\u306fXML\u5f62\u5f0f\u3067\u3042\u308b\u305f\u3081\u3001\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u305f\u307b\u3046\u304c\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n<p><strong>Q\uff1aDMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u306b\u79fb\u884c\u3059\u308b\u524d\u306b\u3001\u3069\u306e\u304f\u3089\u3044\u306e\u671f\u9593\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/strong><\/p>\n<p>\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u6b63\u5f53\u306a\u9001\u4fe1\u8005\u3092\u3059\u3079\u3066\u7279\u5b9a\u3067\u304d\u308b\u307e\u3067\u3067\u3059\u3002\u591a\u304f\u306e\u7d44\u7e54\u3067\u306f\u3001\u5c11\u306a\u304f\u3068\u3082\u6570\u9031\u9593\u304b\u304b\u308a\u307e\u3059\u3002<br \/>\n\u8907\u6570\u306e\u30c1\u30fc\u30e0\u3084\u5916\u90e8\u30c4\u30fc\u30eb\u304b\u3089\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3055\u3089\u306b\u6642\u9593\u3092\u304b\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>Q\uff1aDMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u306b\u3088\u3063\u3066\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b\uff1f <\/strong><\/p>\n<p>\u3042\u308a\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u304cDMARC\u3092\u901a\u904e\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u524d\u306b\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u306b\u79fb\u884c\u3059\u308b\u3068\u3001\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u307e\u3067\u5c4a\u304b\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79fb\u884c\u524d\u306bDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p><strong>Q\uff1aDMARC\u30a8\u30f3\u30d5\u30a9\u30fc\u30b9\u30e1\u30f3\u30c8\u3092\u305b\u305a\u306bBIMI\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<p>\u3044\u3044\u3048\u3001\u3067\u304d\u307e\u305b\u3093\u3002BIMI\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001DMARC\u30dd\u30ea\u30b7\u30fc\u3092 \u201cquarantine\u201c \u307e\u305f\u306f \u201creject\u201c \u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u201cnone\u201c\u30dd\u30ea\u30b7\u30fc\u306e\u307e\u307e\u3067\u306f\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u306f The Ins and Outs of DMARC Monitoring in 2026 \u306e\u6284\u8a33\u3067\u3059\u3002 \u30e1\u30fc\u30eb\u3092\u6700\u5927\u9650\u6d3b\u7528\u3057\u305f\u3044\u4f01\u696d\u306b\u3068\u3063\u3066\u3001\u4eca\u3084\u300cDMARC\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u300d\u306f\u5fc5\u9808\u3067\u3059\u3002\u305d\u308c\u306f\u306a\u305c\u3067\u3057\u3087\u3046\u304b\uff1f  <a class=\"read-more\" href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=14490\">&#8230;\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":19964,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9,11],"tags":[],"class_list":["post-14490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-practices","category-technical"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14490"}],"version-history":[{"count":10,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14490\/revisions"}],"predecessor-version":[{"id":19970,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14490\/revisions\/19970"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/media\/19964"}],"wp:attachment":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}