{"id":10342,"date":"2018-09-14T11:57:58","date_gmt":"2018-09-14T02:57:58","guid":{"rendered":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=10342"},"modified":"2026-02-03T17:24:48","modified_gmt":"2026-02-03T08:24:48","slug":"dmarc%e9%96%a2%e9%80%a3%e6%8a%80%e8%a1%93%e3%81%ae%e7%b4%b9%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=10342","title":{"rendered":"DMARC\u95a2\u9023\u6280\u8853\u306e\u7d39\u4ecb"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/44308051_S.jpg\" alt=\"DMARC\u95a2\u9023\u6280\u8853\u306e\u7d39\u4ecb\" width=\"100%\" class=\"aligncenter size-full wp-image-10343\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/44308051_S.jpg 450w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/44308051_S-300x194.jpg 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>SendGrid\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u306e\u6709\u7530\u3067\u3059\u3002<br \/>\n\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08\u30e1\u30fc\u30eb\u306e\u6210\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u4ed5\u7d44\u307f\uff09\u3068\u3057\u3066\u306f\u3001SPF\u3068DKIM\u304c\u4ee3\u8868\u7684\u3067\u3059\u304c\u3001\u6700\u8fd1\u306fDMARC\u306b\u3064\u3044\u3066\u3082\u5e83\u304f\u77e5\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001DMARC\u306e\u6982\u8981\u3092\u5fa9\u7fd2\u3057\u305f\u4e0a\u3067\u3001\u73fe\u5728\u691c\u8a0e\u3055\u308c\u3066\u3044\u308b\u95a2\u9023\u6280\u8853\u3001BIMI\u3068ARC\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u95a2\u9023\u6280\u8853\u306b\u306f\u3001\u300c\u53d7\u4fe1\u8005\u304cDMARC\u306e\u8a8d\u8a3c\u7d50\u679c\u3092\u7c21\u5358\u306b\u78ba\u8a8d\u3067\u304d\u308b\u300d\u300c\u30e1\u30fc\u30eb\u304c\u8ee2\u9001\u3055\u308c\u305f\u5834\u5408\u306a\u3069\u3067\u3082\u6b63\u3057\u3044\u8a8d\u8a3c\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u300d\u3068\u3044\u3063\u305f\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>1. DMARC\u3068\u306f<\/h3>\n<p>DMARC\u306f\u3001SPF \/ DKIM\u306e\u4e21\u65b9\u306e\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u5074\u30b5\u30fc\u30d0\u3067\u3069\u3046\u6271\u3046\u304b\u3092\u3001\u9001\u4fe1\u5074\u3067\u3042\u3089\u304b\u3058\u3081\u6c7a\u3081\u3066\u304a\u304f\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u306e\u6271\u3044\u65b9\uff08DMARC\u30dd\u30ea\u30b7\u30fc\uff09\u306b\u306f\u3001none\uff08\u898f\u5b9a\u3057\u306a\u3044\uff09\u3001quarantine\uff08\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306a\u3069\u306b\u9694\u96e2\u3059\u308b\uff09\u3001reject\uff08\u53d7\u4fe1\u3057\u306a\u3044\uff09\u306e3\u3064\u304c\u3042\u308a\u3001\u3053\u306e\u8a2d\u5b9a\u3092\u9001\u4fe1\u5074\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u3066\u767b\u9332\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>SPF \/ DKIM\u306b\u3088\u308b\u8a8d\u8a3c\u3068\u306e\u9055\u3044\u3068\u3057\u3066\u306f\u3001<\/p>\n<ul>\n<li>DMARC\u306fSPF\u3068DKIM\u306e\u8a8d\u8a3c\u7d50\u679c\u3092\u53c2\u7167\u3057\u3066DMARC\u3068\u3057\u3066\u306e\u6210\u5426\u3092\u5224\u65ad\u3059\u308b<\/li>\n<li>\u9001\u4fe1\u5074(DMARC\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u5074)\u304c\u8a8d\u8a3c\u5931\u6557\u6642\u306e\u53d7\u4fe1\u53ef\u5426\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b<\/li>\n<li>\u306a\u308a\u3059\u307e\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u3066\u3001\u53d7\u4fe1\u5074\u30b5\u30fc\u30d0\u304b\u3089\u7d50\u679c\u3092\u901a\u77e5\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308b\uff08DMARC\u30ec\u30dd\u30fc\u30c8\uff09<\/li>\n<li>\u78ba\u8a8d\u5bfe\u8c61\u304c\u30d8\u30c3\u30c0From\u306e\u30c9\u30e1\u30a4\u30f3\u3067\u3042\u308b<br \/>\n\u203b\u30d8\u30c3\u30c0From\u306f\u3001\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u78ba\u8a8d\u3067\u304d\u308b\u30c9\u30e1\u30a4\u30f3\u3002<br \/>\n\u3000SPF\u306f\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7From\u3001DKIM\u306f\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u306b\u8a18\u8f09\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u8a8d\u8a3c\u3059\u308b\u3002\n<\/li>\n<\/ul>\n<p>\u3068\u3044\u3063\u305f\u70b9\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<p style=\"text-align:center;\" class=\"wp-caption\">\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/01_dmarc_report.png\" alt=\"DMARC\u306e\u30a4\u30e1\u30fc\u30b8\" width=\"100%\" class=\"size-full wp-image-10345\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/01_dmarc_report.png 760w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/01_dmarc_report-300x160.png 300w\" sizes=\"(max-width: 760px) 100vw, 760px\" \/> \u56f31)DMARC\u306e\u30a4\u30e1\u30fc\u30b8\n<\/p>\n<p>\u3053\u306eDMARC\u306e\u4ed5\u7d44\u307f\u3092\u3075\u307e\u3048\u3066\u3001\u95a2\u9023\u6280\u8853\u306eBIMI\u3068ARC\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>2. BIMI\u3068\u306f<\/h3>\n<p>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u6210\u5426\u3092\u53d7\u4fe1\u8005\u304c\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u3092\u8aad\u3080\u5fc5\u8981\u304c\u3042\u308a\u3001\u5c11\u3057\u96e3\u6613\u5ea6\u304c\u9ad8\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\nBIMI\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u30d1\u30b9\u3057\u305f\u9001\u4fe1\u8005\u304b\u3069\u3046\u304b\u3092\u3001\u53d7\u4fe1\u8005\u304c\u7c21\u5358\u306b\u5224\u65ad\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002\u9001\u4fe1\u5074\u306e\u6e96\u5099\u3068\u3057\u3066\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30ec\u30b3\u30fc\u30c9\u306b\u4f01\u696d\u306e\u30ed\u30b4\u30de\u30fc\u30af\u306a\u3069\u3092\u6307\u3059URL\u3092\u767b\u9332\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u53d7\u4fe1\u5074\u3067DMARC\u306b\u3088\u308b\u8a8d\u8a3c\u304c\u6210\u529f\u3059\u308b\u3068\u3001\u56f32\u306e\u3088\u3046\u306b\u3001\u305d\u306e\u30ed\u30b4\u30de\u30fc\u30af\u3092\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8868\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u4e00\u76ee\u3067\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3067\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p style=\"width:650px; text-align:center;\" class=\"wp-caption aligncenter\">\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/02_bimi.png\" alt=\"\u56f32) \u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8868\u793a\u306e\u4f8b\" width=\"500\" class=\"aligncenter size-full wp-image-10346\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/02_bimi.png 494w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/02_bimi-300x107.png 300w\" sizes=\"(max-width: 494px) 100vw, 494px\" \/> \u56f32) \u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8868\u793a\u306e\u4f8b\n<\/p>\n<h3>3. ARC\u3068\u306f<\/h3>\n<p>DMARC\u3067\u306f\u3001\u30e1\u30fc\u30eb\u304c\u8ee2\u9001\u3055\u308c\u305f\u308a\u3001\u30e1\u30fc\u30ea\u30f3\u30b0\u30ea\u30b9\u30c8\u5b9b\u3066\u306b\u30e1\u30fc\u30eb\u3092\u9001\u3063\u305f\u308a\u3057\u305f\u5834\u5408\u306b\u3001\u6b63\u3057\u304f\u30e1\u30fc\u30eb\u3092\u8a8d\u8a3c\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\uff08\u56f33\uff09\u3002\u305d\u306e\u7406\u7531\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>SPF\u3067\u8ee2\u9001\u5148\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304c\u691c\u8a3c\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u53d7\u4fe1\u5074\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3002\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u9001\u4fe1\u5074\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3078\u8a18\u8f09\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u8a8d\u8a3c\u304c\u5931\u6557\u3059\u308b\u3002<\/li>\n<li>\u30e1\u30fc\u30ea\u30f3\u30b0\u30ea\u30b9\u30c8\u5b9b\u3066\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u3067\u306f\u3001\u30e1\u30fc\u30eb\u306e\u4ef6\u540d\uff08Subject\uff09\u304c\u66f8\u304d\u63db\u3048\u3089\u308c\u305f\u308a\u3001Received:\u30d8\u30c3\u30c0\u304c\u524a\u9664\u3055\u308c\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u306e\u3068\u304d\u3001DKIM\u306e\u8a8d\u8a3c\u306b\u5931\u6557\u3059\u308b\u3002<\/li>\n<li>\u4e0a\u8ff0\u306e\u3088\u3046\u306a\u7406\u7531\u306b\u3088\u308a\u3001SPF\u3068DKIM\u306e\u4e21\u65b9\u306e\u8a8d\u8a3c\u306b\u5931\u6557\u3059\u308b\u3068\u3001\u6b63\u5f53\u306a\u9001\u4fe1\u8005\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3067\u3042\u3063\u3066\u3082\u3001DMARC\u306e\u8a8d\u8a3c\u304c\u5931\u6557\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>ARC\u306f\u3053\u306e\u5f31\u70b9\u3092\u30ab\u30d0\u30fc\u3059\u308b\u305f\u3081\u306e\u6280\u8853\u3067\u3059\u3002ARC\u3092\u4f7f\u3046\u5834\u5408\u3001\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u306bARC\u5c02\u7528\u306e\u30d8\u30c3\u30c0\u9805\u76ee\u304c\u8ffd\u52a0\u3055\u308c\u3001\u305d\u3053\u306b\u96fb\u5b50\u7f72\u540d\u306e\u60c5\u5831\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u9001\u4fe1\u5143\u3060\u3051\u3067\u306a\u304f\u3001\u4e2d\u7d99\u3057\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3054\u3068\u306b\u7f72\u540d\u3059\u308b\u3053\u3068\u3067\u3001\u7d4c\u8def\u5168\u4f53\u3068\u3057\u3066\u306eARC\u306e\u6210\u5426\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u56f34\uff09\u3002<\/p>\n<p style=\"text-align:center;\" class=\"wp-caption\">\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/03_arc1.png\" alt=\"\u56f33) \u30e1\u30fc\u30eb\u3092\u8ee2\u9001\u3059\u308b\u5834\u5408\u306e\u8a8d\u8a3c\" width=\"100%\" class=\"size-full wp-image-10347\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/03_arc1.png 782w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/03_arc1-300x79.png 300w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/03_arc1-768x202.png 768w\" sizes=\"(max-width: 782px) 100vw, 782px\" \/> \u56f33) \u30e1\u30fc\u30eb\u3092\u8ee2\u9001\u3059\u308b\u5834\u5408\u306e\u8a8d\u8a3c\n<\/p>\n<p style=\"text-align:center;\" class=\"wp-caption\">\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/04_arc2.png\" alt=\"\u56f34) ARC\u306b\u3088\u308b\u8a8d\u8a3c\" width=\"100%\" class=\"size-full wp-image-10344\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/04_arc2.png 771w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/04_arc2-300x108.png 300w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2018\/09\/04_arc2-768x276.png 768w\" sizes=\"(max-width: 771px) 100vw, 771px\" \/> \u56f34) ARC\u306b\u3088\u308b\u8a8d\u8a3c\n<\/p>\n<h3>4. \u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u666e\u53ca\u72b6\u6cc1<\/h3>\n<p>\u4e00\u822c\u8ca1\u56e3\u6cd5\u4eba \u65e5\u672c\u30c7\u30fc\u30bf\u901a\u4fe1\u5354\u4f1a\u304c\u307e\u3068\u3081\u305f\u300c<a href=\"https:\/\/www.dekyo.or.jp\/soudan\/data\/anti_spam\/h2017\/HB17_0_all.pdf\" target=\"_blank\">\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56\u30cf\u30f3\u30c9\u30d6\u30c3\u30af 2017<\/a>\u300d\u306b\u3088\u308b\u3068\u3001\u65e5\u672c\u3067\u6d41\u901a\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u306e\u3046\u3061\u3001SPF\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u5272\u5408\u306f93.14%, DKIM\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u5272\u5408\u306f45.79%\u3067\u3001\u305d\u306e\u5272\u5408\u306f\u5e74\u3005\u9ad8\u304f\u306a\u3063\u3066\u304d\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u3053\u308c\u3089\u3068\u6bd4\u8f03\u3059\u308b\u3068DMARC\u306e\u666e\u53ca\u7387\u306f\u307e\u3060\u4f4e\u3044\u72b6\u6cc1\u3067\u3059\u304c\u3001BIMI\u3084ARC\u306e\u3088\u3046\u306a\u95a2\u9023\u6280\u8853\u3082\u3042\u308f\u305b\u3066\u3001\u4eca\u5f8c\u306e\u5c55\u958b\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>5. \u307e\u3068\u3081\u3068\u95a2\u9023\u8a18\u4e8b<\/h3>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001DMARC\u306e\u6982\u8981\u3068\u305d\u306e\u95a2\u9023\u6280\u8853\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002DMARC\u3092\u4f7f\u3046\u3068\u3001\u9001\u4fe1\u5074\u30fb\u53d7\u4fe1\u5074\u3068\u3082\u306b\u306a\u308a\u3059\u307e\u3057\u3092\u691c\u77e5\u3057\u3084\u3059\u304f\u306a\u308b\u3068\u3044\u3046\u30e1\u30ea\u30c3\u30c8\u3082\u3042\u308a\u307e\u3059\uff08\u9001\u4fe1\u5074\u306fDMARC\u30ec\u30dd\u30fc\u30c8\u306b\u3088\u308a\u691c\u77e5\u304c\u53ef\u80fd\u3002\u53d7\u4fe1\u5074\u3067BIMI\u3092\u4f7f\u3048\u3070\u3001\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u5224\u65ad\u304c\u53ef\u80fd\uff09\u3002\u3053\u308c\u3089\u306e\u30e1\u30ea\u30c3\u30c8\u3092\u8e0f\u307e\u3048\u3066\u3001DMARC\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u8208\u5473\u3092\u6301\u305f\u308c\u305f\u65b9\u3001\u5177\u4f53\u7684\u306a\u8a2d\u5b9a\u65b9\u6cd5\u3092\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3082\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=3137\" target=\"_blank\">DMARC\u3068\u306f\uff1f\u30ec\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u65b9\u3084\u5bfe\u5fdc\u65b9\u6cd5\u3092\u89e3\u8aac<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>SendGrid\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u306e\u6709\u7530\u3067\u3059\u3002 \u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08\u30e1\u30fc\u30eb\u306e\u6210\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u4ed5\u7d44\u307f\uff09\u3068\u3057\u3066\u306f\u3001SPF\u3068DKIM\u304c\u4ee3\u8868\u7684\u3067\u3059\u304c\u3001\u6700\u8fd1\u306fDMARC\u306b\u3064\u3044\u3066\u3082\u5e83\u304f\u77e5\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001DMARC\u306e <a class=\"read-more\" href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=10342\">&#8230;\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":12,"featured_media":10343,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-10342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-practices"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10342","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\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10342"}],"version-history":[{"count":13,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10342\/revisions"}],"predecessor-version":[{"id":19954,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10342\/revisions\/19954"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/media\/10343"}],"wp:attachment":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}