{"id":48836,"date":"2026-02-19T07:14:11","date_gmt":"2026-02-19T07:14:11","guid":{"rendered":"https:\/\/www.benchmarkemail.com\/jp\/?p=48836"},"modified":"2026-02-19T07:14:11","modified_gmt":"2026-02-19T07:14:11","slug":"sender-guideline-update","status":"publish","type":"post","link":"https:\/\/www.benchmarkemail.com\/jp\/blog\/sender-guideline-update\/","title":{"rendered":"Gmail\u767a\u306e\u300c\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d\u306e\u6ce2\u306f\u3069\u3053\u307e\u3067\u5e83\u304c\u3063\u305f\uff1fYahoo\u30fbOutlook\u30fbiCloud\u306e\u6700\u65b0\u72b6\u6cc1\u3092\u307e\u3068\u3081\u3066\u89e3\u8aac"},"content":{"rendered":"<p>2024\u5e742\u6708\u3001Gmail\u3068Yahoo\u304c\u5927\u898f\u6a21\u9001\u4fe1\u8005\u5411\u3051\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u65bd\u884c\u3057\u305f\u3053\u3068\u3092\u304d\u3063\u304b\u3051\u306b\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u304a\u3051\u308b\u30eb\u30fc\u30eb\u3078\u306e\u610f\u8b58\u306f\u3001\u914d\u4fe1\u8005\u306e\u9593\u3067\u6025\u901f\u306b\u9ad8\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u3092\u6a5f\u306b\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3084\u914d\u4fe1\u505c\u6b62\u5bfe\u5fdc\u3068\u3044\u3063\u305f\u57fa\u672c\u8981\u4ef6\u306e\u5927\u5207\u3055\u3092\u3001\u3042\u3089\u305f\u3081\u3066\u8a8d\u8b58\u3057\u305f\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><span style=\"font-weight: 400\">\u305d\u306e\u5f8c\u3001Microsoft\uff08Outlook.com\uff09\u30822025\u5e74\u306b\u540c\u69d8\u306e\u8981\u4ef6\u3092\u660e\u78ba\u5316\u3002\u3055\u3089\u306bApple\uff08iCloud Mail\uff09\u3082\u3001\u5b9f\u8cea\u7684\u306a\u5fc5\u9808\u8981\u4ef6\u306b\u8fd1\u3044\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u63d0\u793a\u3057\u307e\u3057\u305f\u3002<\/span>\u73fe\u5728\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u9075\u5b88\u306f\u3001\u696d\u754c\u5168\u4f53\u306e\u5e38\u8b58\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<p class=\"p1\">\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30bf\u30fc\u306e\u65b9\u306b\u5411\u3051\u3066\u3001\u4e3b\u8981\u306a4\u3064\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u5236\u5b9a\u72b6\u6cc1\u3068\u3001\u5171\u901a\u3057\u3066\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/sender-guideline-update\/#1_%E9%80%81%E4%BF%A1%E8%80%85%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%8C%E5%88%B6%E5%AE%9A%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B%E7%90%86%E7%94%B1\" >1. \u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5236\u5b9a\u3055\u308c\u3066\u3044\u308b\u7406\u7531<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/sender-guideline-update\/#2_%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%AE%E5%85%B1%E9%80%9A%E7%82%B9%EF%BC%88Gmail_Yahoo_Outlook_iCloud%EF%BC%89\" >2. \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5171\u901a\u70b9\uff08Gmail \/ Yahoo \/ Outlook \/ iCloud\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/sender-guideline-update\/#3_%E3%83%97%E3%83%AD%E3%83%90%E3%82%A4%E3%83%80%E5%88%A5%E3%81%AE%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88\" >3. \u30d7\u30ed\u30d0\u30a4\u30c0\u5225\u306e\u30dd\u30a4\u30f3\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/sender-guideline-update\/#4_%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E6%BA%96%E6%8B%A0%E3%81%AE%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E3%83%AA%E3%82%B9%E3%83%88\" >4. \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u6e96\u62e0\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/sender-guideline-update\/#5_%E3%81%BE%E3%81%A8%E3%82%81\" >5. \u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_%E9%80%81%E4%BF%A1%E8%80%85%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%8C%E5%88%B6%E5%AE%9A%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B%E7%90%86%E7%94%B1\"><\/span><b>1. \u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5236\u5b9a\u3055\u308c\u3066\u3044\u308b\u7406\u7531<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084\u306a\u308a\u3059\u307e\u3057\u3068\u3044\u3063\u305f\u60aa\u8cea\u306a\u30e1\u30fc\u30eb\u306e\u5897\u52a0\u3092\u80cc\u666f\u306b\u3001Gmail\u30fbYahoo\u30fbOutlook\u30fbiCloud \u306a\u3069\u306e\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u3067\u306f\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56\u3092\u5e74\u3005\u5f37\u5316\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u306e\u6d41\u308c\u306e\u4e2d\u3067\u3001\u3053\u308c\u307e\u3067<strong>\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3068\u671b\u307e\u3057\u3044<\/strong>\u3068\u3055\u308c\u3066\u3044\u305f\u9001\u4fe1\u8005\u8a8d\u8a3c\uff08SPF \/ DKIM \/ DMARC\uff09\u3084\u914d\u4fe1\u505c\u6b62\u5c0e\u7dda\u3068\u3044\u3063\u305f\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u304c\u3001\u73fe\u5728\u3067\u306f <strong>\u5b88\u3089\u306a\u3051\u308c\u3070\u5c4a\u304b\u306a\u3044<\/strong>\u5fc5\u9808\u8981\u4ef6\u3078\u3068\u4f4d\u7f6e\u3065\u3051\u3092\u5909\u3048\u3064\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u304a\u3044\u3066\u306f\u5185\u5bb9\u4ee5\u524d\u306b\u3001\u9001\u4fe1\u8005\u3068\u3057\u3066\u4fe1\u983c\u3055\u308c\u308b\u72b6\u614b\u3092\u6574\u3048\u308b\u3053\u3068\u304c\u3001\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%AE%E5%85%B1%E9%80%9A%E7%82%B9%EF%BC%88Gmail_Yahoo_Outlook_iCloud%EF%BC%89\"><\/span><b>2. \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5171\u901a\u70b9\uff08Gmail \/ Yahoo \/ Outlook \/ iCloud\uff09<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">\u7d30\u304b\u306a\u8868\u73fe\u3084\u9069\u7528\u5bfe\u8c61\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u73fe\u6642\u70b9\u3067\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u50be\u5411\u306f\u5171\u901a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">\u5927\u898f\u6a21\u9001\u4fe1\u8005\u306f\u7279\u306b\u3001\u6b21\u306e4\u70b9\u3092\u201c\u524d\u63d0\u6761\u4ef6\u201d\u3068\u3057\u3066\u6574\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<h3><b>\u2460 SPF \/ DKIM \/ DMARC\u306a\u3069\u306e\u9001\u4fe1\u8005\u8a8d\u8a3c<\/b><b><br \/>\n<\/b><\/h3>\n<p><span style=\"font-weight: 400\">\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u304e\u3001\u53d7\u4fe1\u5074\u304c\u5b89\u5fc3\u3057\u3066\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u57fa\u6e96\u3068\u3057\u3066\u3001\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u3059\u3079\u3066\u3067\u91cd\u8996\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<h3><b>\u2461 \u7c21\u5358\u3067\u8fc5\u901f\u306a\u914d\u4fe1\u505c\u6b62<\/b><span style=\"font-weight: 400\"><br \/>\n<\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u30e1\u30fc\u30eb\u5185\u306e\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u3084\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\uff08List-Unsubscribe \/ RFC 8058\uff09\u306e\u5b9f\u88c5\u3001\u6307\u5b9a\u671f\u9593\u5185\u306e\u505c\u6b62\u5bfe\u5fdc\u306a\u3069\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/span><\/p>\n<h3><b>\u2462 \u82e6\u60c5\u7387\uff08\u30b9\u30d1\u30e0\u5831\u544a\u7387\uff09\u306e\u7ba1\u7406<\/b><b><br \/>\n<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Gmail \/ Yahoo \u306f\u660e\u78ba\u306b 0.3%\u672a\u6e80\u304c\u76ee\u5b89\u3068\u3057\u3066\u63d0\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002Outlook \/ iCloud \u306a\u3069\u6570\u5024\u3092\u660e\u8a00\u3057\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u540c\u7b49\u30ec\u30d9\u30eb\u3092\u610f\u8b58\u3059\u308b\u3079\u304d\u3060\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/span><\/p>\n<h3><b>\u2463 \u9001\u4fe1\u57fa\u76e4\u306e\u57fa\u672c\uff08TLS\u3001RFC\u6e96\u62e0\u306a\u3069\uff09<\/b><span style=\"font-weight: 400\"><br \/>\n<\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u4e0a\u8a183\u70b9\u306e\u307b\u304b\u3001TLS\u5bfe\u5fdc\uff08\u4fdd\u8b77\u3055\u308c\u305f\u901a\u4fe1\uff09\u3084RFC\u6e96\u62e0\uff08\u30e1\u30c3\u30bb\u30fc\u30b8\u5f62\u5f0f\uff09\u306a\u3069\u3001\u3054\u304f\u57fa\u672c\u7684\u306a\u8981\u4ef6\u3082\u5be9\u67fb\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_%E3%83%97%E3%83%AD%E3%83%90%E3%82%A4%E3%83%80%E5%88%A5%E3%81%AE%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88\"><\/span><b>3. \u30d7\u30ed\u30d0\u30a4\u30c0\u5225\u306e\u30dd\u30a4\u30f3\u30c8<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c04\u793e\u306b\u3088\u308b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u3001\u305d\u308c\u305e\u308c\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/span><\/p>\n<h3><b>Gmail\uff08Google\uff09<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400\">2024\u5e742\u6708\u304b\u3089\u6bb5\u968e\u9069\u7528\uff08\u5927\u898f\u6a21\u914d\u4fe1\u8005\u304c\u4e2d\u5fc3\uff09<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u5927\u898f\u6a21\u9001\u4fe1\u8005\u306e\u76ee\u5b89\uff1a<\/span>1\u65e55,000\u901a\u4ee5\u4e0a<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u8981\u4ef6\u306e\u67f1\uff1a <\/span>SPF+DKIM\u3001DMARC\u3001\u914d\u4fe1\u505c\u6b62\u5c0e\u7dda\u3001\u82e6\u60c5\u7387\u7ba1\u7406<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Google Postmaster Tools\u3067\u30b9\u30d1\u30e0\u7387\u306a\u3069\u3092\u7d99\u7d9a\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3057\u3001\u9001\u4fe1\u54c1\u8cea\u3092\u4fdd\u3064\u306e\u304c\u91cd\u8981\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u53c2\u8003\uff1a<\/span><a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/new-spam-prevention-requirements-of-gmail-and-yahoo\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Gmail\u3068\u7c73Yahoo\u30e1\u30fc\u30eb\u306e\u65b0\u3057\u3044\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30dd\u30ea\u30b7\u30fc\u3068\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u304c\u884c\u3046\u3079\u304d\u5bfe\u5fdc\u306b\u3064\u3044\u3066<\/span><\/a><\/p>\n<h3><b>Yahoo Mail<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400\">Gmail\u3068\u307b\u307c\u540c\u6642\u671f\u306b\u540c\u7b49\u8981\u4ef6\u3092\u5c0e\u5165<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">\u3053\u306e\u8981\u4ef6\u306f\u7c73\u56fdYahoo Mail\u3067\u5236\u5b9a\u3055\u308c\u305f\u3082\u306e\u3067\u3001Yahoo Japan\uff08Yahoo!\u30e1\u30fc\u30eb\uff09\u306b\u304a\u3044\u3066\u306f\u30012026\u5e741\u6708\u73fe\u5728\u3082\u5236\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/span><\/p>\n<h3><b>Outlook.com\uff08Microsoft\uff09<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400\">2025\u5e745\u6708\u9803\u304b\u3089\u9ad8\u30dc\u30ea\u30e5\u30fc\u30e0\u9001\u4fe1\u8005\u5411\u3051\u306b\u8981\u4ef6\u3092\u660e\u78ba\u5316<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u5bfe\u8c61\uff1a<\/span>1\u65e55,000\u901a\u4ee5\u4e0a\u306e\u9001\u4fe1\u8005<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u8981\u4ef6\u306e\u4e2d\u5fc3\u306f <\/span>SPF\/DKIM\/DMARC<\/li>\n<\/ul>\n<p>\u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u3084\u904b\u7528\u54c1\u8cea\u306b\u3064\u3044\u3066\u306f\u3001\u3042\u304f\u307e\u3067\u63a8\u5968\u30ec\u30d9\u30eb\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u5f8c\u306e\u5f37\u5316\u3092\u898b\u636e\u3048\u3066\u5bfe\u5fdc\u3057\u3066\u304a\u304f\u306e\u304c\u5b89\u5168\u3067\u3057\u3087\u3046\u3002<\/p>\n<p><span style=\"font-weight: 400\">\u53c2\u8003\uff1a<\/span><a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/outlook-guidelines\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Outlook\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/span><\/a><\/p>\n<h3><b>iCloud Mail\uff08Apple\uff09<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400\">2025\u5e742\u6708\u9803\u306b\u660e\u6587\u5316<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC\uff09\u3068\u89e3\u9664\u5c0e\u7dda\u306f\u3082\u3061\u308d\u3093\u3001\u30ea\u30b9\u30c8\u54c1\u8cea\u3084\u30e6\u30fc\u30b6\u30fc\u8a31\u8afe\uff08\u30aa\u30d7\u30c8\u30a4\u30f3\uff09\u3082\u91cd\u8996<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">\u53c2\u8003\uff1a<\/span><a href=\"https:\/\/support.apple.com\/ja-jp\/102322?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">iCloud\u30e1\u30fc\u30eb\u306epostmaster\u60c5\u5831<\/span><\/a><span style=\"font-weight: 400\">\uff08Apple\u516c\u5f0f\uff09<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E6%BA%96%E6%8B%A0%E3%81%AE%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E3%83%AA%E3%82%B9%E3%83%88\"><\/span><b>4. \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u6e96\u62e0\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30bf\u30fc\u306e\u7686\u69d8\u304c\u3001\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u6e96\u62e0\u3057\u3066\u914d\u4fe1\u3092\u884c\u3048\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u3054\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/span><\/p>\n<h3><\/h3>\n<h3><b>Step 1\uff1a\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u68da\u5378\u3057<\/b><\/h3>\n<p><span style=\"font-weight: 400\">From\u306b\u5229\u7528\u3057\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u3092\u6d17\u3044\u51fa\u3057\u307e\u3059\u3002<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">\u30e1\u30fc\u30eb\u914d\u4fe1\u30c4\u30fc\u30eb\uff08MA \/ \u30cb\u30e5\u30fc\u30b9\u30ec\u30bf\u30fc\uff09\u3001CRM \u304b\u3089\u306e\u81ea\u52d5\u914d\u4fe1\u3001EC\u30b5\u30a4\u30c8\u306e\u8cfc\u5165\u5b8c\u4e86\u30fb\u767a\u9001\u901a\u77e5\u3001\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306e\u81ea\u52d5\u8fd4\u4fe1\u5185\u306a\u3069\u3001\u6f0f\u308c\u306a\u304f\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>Step 2\uff1a\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u6574\u5099<\/b><\/h3>\n<p><span style=\"font-weight: 400\">\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3054\u5229\u7528\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u9075\u5b88\u3057\u305f\u914d\u4fe1\u304c\u53ef\u80fd\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u305d\u306e\u4e0a\u3067\u3001\u5404\u7a2e\u30b5\u30fc\u30d3\u30b9\u306e\u5b9a\u3081\u308b\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u306a\u3069\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<div style=\"border-radius: 8px;overflow: hidden;font-size: 14px\">\n<div style=\"background-color: #f1e3ff;color: #3c247f;padding: 10px 16px;font-weight: bold\">Benchmark Email\u3092\u3054\u5229\u7528\u306e\u65b9<\/div>\n<div style=\"background-color: #ffffff;padding: 12px 16px\">Benchmark Email\u3067\u306f\u3001\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3042\u308bSPF\/CNAME\/DKIM\u306e\u8a8d\u8a3c\u72b6\u6cc1\u3092\u6e80\u305f\u3059\u5f62\u3067\u914d\u4fe1\u304c\u53ef\u80fd\u3067\u3059\u3002\u30a2\u30ab\u30a6\u30f3\u30c8\u4e0a\u306e\u6848\u5185\u306b\u5f93\u3063\u3066\u3001<a href=\"https:\/\/kb.benchmarkemail.com\/jp\/set-email-domain-authentication\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a<\/span><\/a><span style=\"font-weight: 400\">\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h3><b>Step 3\uff1a\u914d\u4fe1\u505c\u6b62\u306e\u5c0e\u7dda\u3092\u30b7\u30f3\u30d7\u30eb\u306b<\/b><\/h3>\n<p><span style=\"font-weight: 400\">\u8aad\u8005\u304c\u914d\u4fe1\u505c\u6b62\u3092\u3057\u305f\u3044\u5834\u5408\u306b\u3001\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u4ee5\u4e0b\u306e\u57fa\u6e96\u306b\u9075\u5b88\u3057\u3066\u304a\u3051\u3070\u5b89\u5fc3\u3067\u3059\u3002<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u672c\u6587\u306b\u660e\u78ba\u306a\u89e3\u9664\u30ea\u30f3\u30af\u3092\u8a2d\u3051\u308b<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u53ef\u80fd\u306a\u3089List-Unsubscribe + One-Click\uff08RFC 8058\uff09\u65b9\u5f0f\u3092\u53d6\u308a\u5165\u308c\u308b<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u89e3\u9664\u51e6\u7406\u306e\u53cd\u6620\u3092\u8fc5\u901f\u306b\u3059\u308b\uff08\u904b\u7528\u30fb\u30b7\u30b9\u30c6\u30e0\u5074\u306e\u6574\u5099\uff09<\/span><\/li>\n<\/ul>\n<div style=\"border-radius: 8px;overflow: hidden;font-size: 14px\">\n<div style=\"background-color: #f1e3ff;color: #3c247f;padding: 10px 16px;font-weight: bold\">Benchmark Email\u3092\u3054\u5229\u7528\u306e\u65b9<\/div>\n<div style=\"background-color: #ffffff;padding: 12px 16px\">Benchmark Email\u3067\u306f\u3001\u4e0a\u8a183\u70b9\u306e\u4ed5\u69d8\u3092\u3059\u3079\u3066\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h3><b>Step 4\uff1a\u82e6\u60c5\u7387\u3092\u4e0b\u3052\u308b\u904b\u7528<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u540c\u610f\u3057\u305f\u30a2\u30c9\u30ec\u30b9\u306b\u914d\u4fe1\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u672a\u958b\u5c01\u304c\u7d9a\u304f\u30a2\u30c9\u30ec\u30b9\u306b\u306f\u3001\u914d\u4fe1\u983b\u5ea6\u3092\u4e0b\u3052\u308b<\/span><\/li>\n<li style=\"font-weight: 400\"><a href=\"https:\/\/support.google.com\/a\/answer\/9981691?hl=ja\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Google Postmaster Tools<\/span><\/a><span style=\"font-weight: 400\">\u3067\u30b9\u30d1\u30e0\u7387\u3092\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3059\u308b<\/span><\/li>\n<\/ul>\n<h2><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"5_%E3%81%BE%E3%81%A8%E3%82%81\"><\/span><b>5. \u307e\u3068\u3081<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">\u73fe\u5728\u3001Gmail\u30fbYahoo\u30fbOutlook\u30fbiCloud \u306a\u3069\u306e\u4e3b\u8981\u30e1\u30fc\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u3067\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF \/ DKIM \/ DMARC\uff09\u30fb\u914d\u4fe1\u505c\u6b62\u306e\u3057\u3084\u3059\u3055\u30fb\u82e6\u60c5\u7387\u306e\u7ba1\u7406\u3092\u8ef8\u3068\u3057\u305f\u30eb\u30fc\u30eb\u306e\u6a19\u6e96\u5316\u304c\u3001\u7740\u5b9f\u306b\u9032\u3093\u3067\u3044\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u4e00\u898b\u3059\u308b\u3068\u5236\u7d04\u304c\u5897\u3048\u305f\u3088\u3046\u306b\u3082\u611f\u3058\u3089\u308c\u307e\u3059\u304c\u3001\u88cf\u3092\u8fd4\u305b\u3070\u3001\u57fa\u672c\u3092\u6b63\u3057\u304f\u6574\u3048\u3066\u3044\u308b\u9001\u4fe1\u8005\u306b\u3068\u3063\u3066\u306f\u3001\u5230\u9054\u7387\u306e\u571f\u53f0\u3092\u5b89\u5b9a\u3055\u305b\u3084\u3059\u3044\u74b0\u5883\u306b\u306a\u308a\u3064\u3064\u3042\u308b\u3068\u3082\u8a00\u3048\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u57fa\u672c\u7684\u306a\u30eb\u30fc\u30eb\u3092\u5b88\u3063\u3066\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u3092\u884c\u306a\u3044\u306a\u304c\u3089\u3001\u4f01\u696d\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u30d5\u30a1\u30f3\u3092\u5897\u3084\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3063\u3066\u3001\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u9075\u5b88\u3057\u305f\u914d\u4fe1\u3092\u3057\u3088\u3046<\/h3>\n<p class=\"p1\">\u73fe\u5728\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u3067\u306f\u3001\u9001\u4fe1\u8005\u8a8d\u8a3c\u3084\u914d\u4fe1\u505c\u6b62\u5bfe\u5fdc\u306a\u3069\u3001\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u8e0f\u307e\u3048\u305f\u914d\u4fe1\u74b0\u5883\u306e\u6574\u5099\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n<p class=\"p1\">\u3053\u3046\u3057\u305f\u5bfe\u5fdc\u3092\u3059\u3079\u3066\u81ea\u524d\u3067\u884c\u3046\u306e\u306f\u8ca0\u62c5\u304c\u5927\u304d\u304f\u306a\u308a\u304c\u3061\u3067\u3059\u304c\u3001<b>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u6cbf\u3063\u305f\u914d\u4fe1\u74b0\u5883\u3092\u6574\u3048\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/b><\/p>\n<p class=\"p1\">Benchmark Email\u3067\u306f\u3001\u9001\u4fe1\u8005\u8a8d\u8a3c\u3084\u914d\u4fe1\u505c\u6b62\u306b\u914d\u616e\u3057\u305f\u914d\u4fe1\u57fa\u76e4\u3092\u63d0\u4f9b\u3057\u3001\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u524d\u63d0\u3068\u3057\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p1\">\u914d\u4fe1\u74b0\u5883\u306e\u898b\u76f4\u3057\u3092\u691c\u8a0e\u3057\u3066\u3044\u308b\u65b9\u306f\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u306e\u6d3b\u7528\u3082\u9078\u629e\u80a2\u306e\u3072\u3068\u3064\u3068\u3057\u3066\u8003\u3048\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><a href=\"https:\/\/app.benchmarkemail.io\/register?language=ja&amp;region=ap-northeast-1\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-36721 size-full\" src=\"https:\/\/www.benchmarkemail.com\/images\/blog\/blog_trial_banner_general.png\" alt=\"\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0,\u30e1\u30eb\u30de\u30ac\u30b5\u30fc\u30d3\u30b9\u306e\u7121\u6599\u767b\u9332\" width=\"900\" height=\"340\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\uff08\u95a2\u9023\u8a18\u4e8b\uff09<\/p>\n<p>\u30fb<a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/new-spam-prevention-requirements-of-gmail-and-yahoo\/\" target=\"_blank\" rel=\"noopener\">Gmail\u3068\u7c73Yahoo\u30e1\u30fc\u30eb\u306e\u65b0\u3057\u3044\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30dd\u30ea\u30b7\u30fc\u3068\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u304c\u884c\u3046\u3079\u304d\u5bfe\u5fdc\u306b\u3064\u3044\u3066<\/a><\/p>\n<p>\u30fb<a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/outlook-guidelines\/\" target=\"_blank\" rel=\"noopener\">Outlook\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2024\u5e742\u6708\u3001Gmail\u3068Yahoo\u304c\u5927\u898f\u6a21\u9001\u4fe1\u8005\u5411\u3051\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u65bd\u884c\u3057\u305f\u3053\u3068\u3092\u304d\u3063\u304b\u3051\u306b\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u304a\u3051\u308b\u30eb\u30fc\u30eb\u3078\u306e\u610f\u8b58\u306f\u3001\u914d\u4fe1\u8005\u306e\u9593\u3067\u6025\u901f\u306b\u9ad8\u307e\u308a\u307e\u3057\u305f\u3002 \u3053\u308c\u3092\u6a5f\u306b\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3084\u914d\u4fe1\u505c\u6b62\u5bfe\u5fdc\u3068\u3044\u3063\u305f\u57fa\u672c\u8981\u4ef6\u306e\u5927\u5207\u3055\u3092\u3001\u3042\u3089\u305f\u3081\u3066\u8a8d\u8b58\u3057\u305f\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002 \u305d\u306e\u5f8c\u3001Microsoft\uff08Outlook.com\uff09\u30822025\u5e74\u306b\u540c\u69d8\u306e\u8981\u4ef6\u3092\u660e\u78ba\u5316\u3002\u3055\u3089\u306bApple\uff08iCloud Mail\uff09\u3082\u3001\u5b9f\u8cea\u7684\u306a\u5fc5\u9808\u8981\u4ef6\u306b\u8fd1\u3044\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u63d0\u793a\u3057\u307e\u3057\u305f\u3002\u73fe\u5728\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u9075\u5b88\u306f\u3001\u696d\u754c\u5168\u4f53\u306e\u5e38\u8b58\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306f\u3001\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30bf\u30fc\u306e\u65b9\u306b\u5411\u3051\u3066\u3001\u4e3b\u8981\u306a4\u3064\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u5236\u5b9a\u72b6\u6cc1\u3068\u3001\u5171\u901a\u3057\u3066\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u6574\u7406\u3057\u307e\u3059\u3002 1. \u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5236\u5b9a\u3055\u308c\u3066\u3044\u308b\u7406\u7531 \u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084\u306a\u308a\u3059\u307e\u3057\u3068\u3044\u3063\u305f\u60aa\u8cea\u306a\u30e1\u30fc\u30eb\u306e\u5897\u52a0\u3092\u80cc\u666f\u306b\u3001Gmail\u30fbYahoo\u30fbOutlook\u30fbiCloud \u306a\u3069\u306e\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u3067\u306f\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56\u3092\u5e74\u3005\u5f37\u5316\u3057\u3066\u304d\u307e\u3057\u305f\u3002 \u305d\u306e\u6d41\u308c\u306e\u4e2d\u3067\u3001\u3053\u308c\u307e\u3067\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3068\u671b\u307e\u3057\u3044\u3068\u3055\u308c\u3066\u3044\u305f\u9001\u4fe1\u8005\u8a8d\u8a3c\uff08SPF \/ DKIM \/ DMARC\uff09\u3084\u914d\u4fe1\u505c\u6b62\u5c0e\u7dda\u3068\u3044\u3063\u305f\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u304c\u3001\u73fe\u5728\u3067\u306f \u5b88\u3089\u306a\u3051\u308c\u3070\u5c4a\u304b\u306a\u3044\u5fc5\u9808\u8981\u4ef6\u3078\u3068\u4f4d\u7f6e\u3065\u3051\u3092\u5909\u3048\u3064\u3064\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u304a\u3044\u3066\u306f\u5185\u5bb9\u4ee5\u524d\u306b\u3001\u9001\u4fe1\u8005\u3068\u3057\u3066\u4fe1\u983c\u3055\u308c\u308b\u72b6\u614b\u3092\u6574\u3048\u308b\u3053\u3068\u304c\u3001\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 2. \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5171\u901a\u70b9\uff08Gmail \/ Yahoo \/ Outlook \/ iCloud\uff09 \u7d30\u304b\u306a\u8868\u73fe\u3084\u9069\u7528\u5bfe\u8c61\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u73fe\u6642\u70b9\u3067\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u50be\u5411\u306f\u5171\u901a\u3057\u3066\u3044\u307e\u3059\u3002 \u5927\u898f\u6a21\u9001\u4fe1\u8005\u306f\u7279\u306b\u3001\u6b21\u306e4\u70b9\u3092\u201c\u524d\u63d0\u6761\u4ef6\u201d\u3068\u3057\u3066\u6574\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u2460 SPF \/ DKIM \/ DMARC\u306a\u3069\u306e\u9001\u4fe1\u8005\u8a8d\u8a3c \u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u304e\u3001\u53d7\u4fe1\u5074\u304c\u5b89\u5fc3\u3057\u3066\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u57fa\u6e96\u3068\u3057\u3066\u3001\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u3059\u3079\u3066\u3067\u91cd\u8996\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u2461 \u7c21\u5358\u3067\u8fc5\u901f\u306a\u914d\u4fe1\u505c\u6b62 \u30e1\u30fc\u30eb\u5185\u306e\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u3084\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\uff08List-Unsubscribe \/ RFC 8058\uff09\u306e\u5b9f\u88c5\u3001\u6307\u5b9a\u671f\u9593\u5185\u306e\u505c\u6b62\u5bfe\u5fdc\u306a\u3069\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002 \u2462 \u82e6\u60c5\u7387\uff08\u30b9\u30d1\u30e0\u5831\u544a\u7387\uff09\u306e\u7ba1\u7406 Gmail \/ Yahoo \u306f\u660e\u78ba\u306b 0.3%\u672a\u6e80\u304c\u76ee\u5b89\u3068\u3057\u3066\u63d0\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002Outlook \/ iCloud \u306a\u3069\u6570\u5024\u3092\u660e\u8a00\u3057\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u540c\u7b49\u30ec\u30d9\u30eb\u3092\u610f\u8b58\u3059\u308b\u3079\u304d\u3060\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002 \u2463 \u9001\u4fe1\u57fa\u76e4\u306e\u57fa\u672c\uff08TLS\u3001RFC\u6e96\u62e0\u306a\u3069\uff09 \u4e0a\u8a183\u70b9\u306e\u307b\u304b\u3001TLS\u5bfe\u5fdc\uff08\u4fdd\u8b77\u3055\u308c\u305f\u901a\u4fe1\uff09\u3084RFC\u6e96\u62e0\uff08\u30e1\u30c3\u30bb\u30fc\u30b8\u5f62\u5f0f\uff09\u306a\u3069\u3001\u3054\u304f\u57fa\u672c\u7684\u306a\u8981\u4ef6\u3082\u5be9\u67fb\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u3002 &nbsp; 3. \u30d7\u30ed\u30d0\u30a4\u30c0\u5225\u306e\u30dd\u30a4\u30f3\u30c8&hellip;<\/p>\n","protected":false},"author":236,"featured_media":48840,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2298,2164],"tags":[2481,2731,2616,2487,2193,1014,572],"class_list":["post-48836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-openrate","category-email-marketing","tag-outlook","tag-2731","tag-2616","tag-yahoo","tag-2193","tag-icloud","tag-gmail"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gmail\u767a\u306e\u300c\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d\u306e\u6ce2\u306f\u3069\u3053\u307e\u3067\u5e83\u304c\u3063\u305f\uff1fYahoo\u30fbOutlook\u30fbiCloud\u306e\u6700\u65b0\u72b6\u6cc1\u3092\u307e\u3068\u3081\u3066\u89e3\u8aac - Benchmark Email<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/sender-guideline-update\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gmail\u767a\u306e\u300c\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d\u306e\u6ce2\u306f\u3069\u3053\u307e\u3067\u5e83\u304c\u3063\u305f\uff1fYahoo\u30fbOutlook\u30fbiCloud\u306e\u6700\u65b0\u72b6\u6cc1\u3092\u307e\u3068\u3081\u3066\u89e3\u8aac - Benchmark Email\" \/>\n<meta property=\"og:description\" content=\"2024\u5e742\u6708\u3001Gmail\u3068Yahoo\u304c\u5927\u898f\u6a21\u9001\u4fe1\u8005\u5411\u3051\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u65bd\u884c\u3057\u305f\u3053\u3068\u3092\u304d\u3063\u304b\u3051\u306b\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u304a\u3051\u308b\u30eb\u30fc\u30eb\u3078\u306e\u610f\u8b58\u306f\u3001\u914d\u4fe1\u8005\u306e\u9593\u3067\u6025\u901f\u306b\u9ad8\u307e\u308a\u307e\u3057\u305f\u3002 \u3053\u308c\u3092\u6a5f\u306b\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3084\u914d\u4fe1\u505c\u6b62\u5bfe\u5fdc\u3068\u3044\u3063\u305f\u57fa\u672c\u8981\u4ef6\u306e\u5927\u5207\u3055\u3092\u3001\u3042\u3089\u305f\u3081\u3066\u8a8d\u8b58\u3057\u305f\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002 \u305d\u306e\u5f8c\u3001Microsoft\uff08Outlook.com\uff09\u30822025\u5e74\u306b\u540c\u69d8\u306e\u8981\u4ef6\u3092\u660e\u78ba\u5316\u3002\u3055\u3089\u306bApple\uff08iCloud Mail\uff09\u3082\u3001\u5b9f\u8cea\u7684\u306a\u5fc5\u9808\u8981\u4ef6\u306b\u8fd1\u3044\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u63d0\u793a\u3057\u307e\u3057\u305f\u3002\u73fe\u5728\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u9075\u5b88\u306f\u3001\u696d\u754c\u5168\u4f53\u306e\u5e38\u8b58\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306f\u3001\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30bf\u30fc\u306e\u65b9\u306b\u5411\u3051\u3066\u3001\u4e3b\u8981\u306a4\u3064\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u5236\u5b9a\u72b6\u6cc1\u3068\u3001\u5171\u901a\u3057\u3066\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u6574\u7406\u3057\u307e\u3059\u3002 1. 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