{"id":11163,"date":"2026-06-17T15:37:05","date_gmt":"2026-06-17T06:37:05","guid":{"rendered":"https:\/\/www.k-in.co.jp\/niwakan\/?p=11163"},"modified":"2026-07-06T11:34:44","modified_gmt":"2026-07-06T02:34:44","slug":"dmarc%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2026\/06\/11163\/","title":{"rendered":"DMARC\u3092\u8ffd\u52a0\u3059\u308b"},"content":{"rendered":"<p>DMARC\uff08Domain-based Message Authentication Reporting and Conformance\uff09\u3068\u8a00\u3046\u3089\u3057\u3044\u304c\u3001\u3053\u308c\u3067WordPress\u306e\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u300c\u4f55\u3060\u304b\u306a\u301c\u300d\u306a\u7d50\u679c\u3068\u306a\u3063\u305f\u3002<br \/>\ndns\u306ezone file\u3092\u5f04\u308c\u308b\u306a\u3089\u7279\u306b\u554f\u984c\u306f\u7121\u3044\u3002<br \/>\n<!--more--><\/p>\n<p>DMARC\u3068\u8a00\u3046\u306e\u306f\u3001zone file\u306b\u305f\u3063\u305f\u4e00\u884c<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">_dmarc   IN  TXT    \"v=DMARC1; p=none;\"<\/pre>\n<p>\u3092\u66f8\u304d\u8fbc\u3080\u3060\u3051\u3067\u3042\u308b\u3089\u3057\u3044\u3002<br \/>\nDMARC\u81ea\u4f53\u304c\u4f55\u304b\u691c\u8a3c\u3059\u308b\u8a33\u3067\u306f\u306a\u304f\u3001DKIM\u3084SPF\u3067\u691c\u8a3c\u3092\u6e08\u307e\u305b\u305f\u7d50\u679c\u3060\u3051\u3092\u53d7\u3051\u53d6\u308a\u5224\u5b9a\u3059\u308b\u3089\u3057\u3044\u3002\uff08\u8981\u3089\u3093\u3058\u3083\u306a\u3044\u306e\u30b3\u30ec\uff09<br \/>\n\u65e2\u306b\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306fDKIM\u3082SPF\u3082\u8a2d\u5b9a\u6e08\u307f\u306a\u306e\u3067\u3001\u4e0a\u306e\u4e00\u884c\u3067\u7d42\u308f\u3063\u305f\u304c\u3001\u3069\u3061\u3089\u304b\u7247\u65b9\u3067\u3082\u826f\u3044\u306e\u304b\u3069\u3046\u304b\u306f\u77e5\u3089\u306a\u3044\u3002<br \/>\n\u5b9f\u9a13\u3059\u308b\u6c17\u306b\u3082\u306a\u3089\u306a\u3044\u3002<\/p>\n<p><a href=\"https:\/\/www.proofpoint.com\/jp\/threat-reference\/dmarc?gad_source=1&#038;gad_campaignid=11449783567&#038;gbraid=0AAAAACPSyWnkqaGcf3KpOICuklnwupXgj&#038;gclid=CjwKCAjw6MPRBhBTEiwAd-7MrxxQOJwPy-Hsse5iiWch2X0U7fEr7vZ-nUg6ht2JpGepmjqsxNWVDRoC_5EQAvD_BwE\" target=\"_blank\">Proofpoint<\/a><br \/>\n\u3092\u898b\u3066\u3044\u305f\u3089\u3001\u300cDMARC\u30ec\u30b3\u30fc\u30c9\u751f\u6210\u30c4\u30fc\u30eb\u300d\u3068\u8a00\u3046\u3082\u306e\u304c\u51fa\u3066\u304d\u305f\u3002\uff08\u30a4\u30e9\u30f3\u3060\u308d<br \/>\n\u3057\u304b\u3057\u898b\u306b\u884c\u304f\u3002<br \/>\n\u305d\u3053\u306b\u306ftoole\u3067\u306a\u304fForm\u304c\u3042\u3063\u305f\u3002<\/p>\n<div style=\"background: #F2EAD4; padding: 15px; border: 0px solid #F2EAD4; border-radius: 10px; word-break: break-all;\">\u4ee5\u4e0b\u306e\u30d5\u30a9\u30fc\u30e0\u306b\u5fc5\u8981\u4e8b\u9805\u3092\u3054\u8a18\u5165\u306e\u4e0a\u3001[\u9001\u4fe1]\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u304f\u3060\u3055\u3044\u3002:<br \/>\n\u59d3\uff08\u4f8b\uff1a\u5c71\u7530\uff09\uff0a<br \/>\n\u540d\uff08\u4f8b\uff1a\u82b1\u5b50\uff09\uff0a<br \/>\nE\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff0a<br \/>\n\u96fb\u8a71\u756a\u53f7\uff0a<br \/>\n\u4f1a\u793e\u540d\uff0a<br \/>\n\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u6570*<br \/>\n\u65e5\u672c\uff0a<br \/>\n\u30e1\u30fc\u30eb\u30c9\u30e1\u30a4\u30f3\uff0a<br \/>\n\u9001\u4fe1\u2192<\/div>\n<p>\u602a\u3057\u3044\u2026\u2026\u3060\u304c\u305d\u306e\u602a\u3057\u3044\u3068\u3053\u308d\u3067\u60c5\u5831\u3092\u62fe\u304a\u3046\u3068\u3059\u308b\u81ea\u5206\u306f\u9593\u629c\u3051\u3067\u3042\u308b\u3002<br \/>\n\u7d30\u304b\u3044\u3068\u3053\u308d\u306fGemini\u3055\u3093\u306b\u8a0a\u3044\u305f\u3093\u3060\u304c\u306a\u3002<\/p>\n<p>\u306a\u306e\u3067\u3001WordPress\u3067\u9001\u4fe1\u304c\u3067\u304d\u306a\u3044\u3068\u304d\u306fDMARC\u3092\u6c17\u306b\u3059\u308b\u3068\u3044\u3044\u304b\u3082\u3002<br \/>\n<strong>WP Mail SMTP<\/strong>\u3068\u3044\u3046plugin\u3092\u5165\u308c\u308b\u3068\u3001\u52d5\u304d\u304c\u5224\u308a\u6613\u304f\u306a\u3063\u3066\u826f\u3044\u3088\u3002WordPress\u306e\u5f8c\u308d\u306b\u96a0\u308c\u3066\u4f55\u3084\u3063\u3066\u3044\u308b\u3093\u3060\u304b\u5224\u3089\u306a\u3044mail sysytem\u3088\u308a\u304b\u306d\u3002<\/p>\n<p>\u305d\u3046\u305d\u3046\u3001\u5143\u306fContact Form 7\u3067\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u306e\u304c\u59cb\u307e\u308a\u3002<br \/>\n\u305d\u308c\u3067WPForms\u3068\u3044\u3046\u306e\u3092\u5165\u308c\u305f\u3002\uff08\u3053\u308c\u304c\u30a6\u30b6\u304b\u3063\u305f<br \/>\n\u305d\u306e\u5e8f\u3067\u306bWP Mail SMTP\u3092\u5165\u308c\u305f\u3002\uff08\u3053\u308c\u306f\u826f\u304b\u3063\u305f<br \/>\n\u305d\u3057\u3066Contact Form 7\u306b\u623b\u3057\u305f\u3002\uff08WPForms\u306f\u6368\u3066\u305f<\/p>\n<p>ContactForm7\u3067\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u3063\u3066\u4eba\u306fWP Mail SMTP<strong>\u3060\u3051<\/strong>\u3092\u5165\u308c\u308b\u3068\u826f\u3044\u3088\u3002<br \/>\nJetpack\u306b\u3082Form\u304c\u3042\u308b\u3051\u308c\u3069\u306d\u3002\u4f7f\u3044\u6163\u308c\u305f\u306e\u304c\u826f\u3044\u3088\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DMARC\uff08Domain-based Message Authentication Reporting and Conformance\uff09\u3068\u8a00\u3046\u3089\u3057\u3044\u304c\u3001\u3053\u308c\u3067WordPress\u306e\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u300c\u4f55\u3060\u304b\u306a\u301c\u300d\u306a &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2026\/06\/11163\/\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;DMARC\u3092\u8ffd\u52a0\u3059\u308b&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[246,115],"tags":[176,175,52],"class_list":["post-11163","post","type-post","status-publish","format-standard","hentry","category-my-macmini-server","category-software","tag-mail","tag-postfix","tag-wordpress"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/comments?post=11163"}],"version-history":[{"count":2,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11163\/revisions"}],"predecessor-version":[{"id":11167,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11163\/revisions\/11167"}],"wp:attachment":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media?parent=11163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/categories?post=11163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/tags?post=11163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}