{"id":44153,"date":"2025-04-24T08:44:03","date_gmt":"2025-04-24T08:44:03","guid":{"rendered":"https:\/\/www.benchmarkemail.com\/jp\/?p=44153"},"modified":"2025-10-21T07:11:53","modified_gmt":"2025-10-21T07:11:53","slug":"outlook-guidelines","status":"publish","type":"post","link":"https:\/\/www.benchmarkemail.com\/jp\/blog\/outlook-guidelines\/","title":{"rendered":"Outlook\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3"},"content":{"rendered":"<p><span style=\"font-weight: 400\">2024\u5e74\u306bGmail\u3068\u7c73Yahoo\u30e1\u30fc\u30eb\u304c\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u5236\u5b9a\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u3084\u914d\u4fe1\u505c\u6b62\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u898f\u5b9a\u3092\u30af\u30ea\u30a2\u3057\u305f\u914d\u4fe1\u3092\u884c\u3046\u3053\u3068\u304c\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u307e\u3057\u305f\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u3053\u308c\u306b\u7d9a\u304d\u3001Microsoft\u30822025\u5e745\u6708\u304b\u3089\u6bb5\u968e\u7684\u306b\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u65bd\u884c\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u672c\u8a18\u4e8b\u3067\u306f\u3001<\/span><a href=\"https:\/\/techcommunity.microsoft.com\/blog\/microsoftdefenderforoffice365blog\/strengthening-email-ecosystem-outlook%E2%80%99s-new-requirements-for-high%E2%80%90volume-senders\/4399730\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">Microsoft\u793e\u306e\u30c6\u30c3\u30af\u30d6\u30ed\u30b0<\/span><\/a><span style=\"font-weight: 400\">\u3092\u3082\u3068\u306b\u3001\u65b0\u8981\u4ef6\u306e\u7279\u306b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3084\u5bfe\u5fdc\u306e\u512a\u5148\u5ea6\u304c\u9ad8\u3044\u9805\u76ee\u306b\u3064\u3044\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><\/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\/outlook-guidelines\/#%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%AE%E5%AF%BE%E8%B1%A1%E3%81%A8%E7%9B%AE%E7%9A%84\" >\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5bfe\u8c61\u3068\u76ee\u7684<\/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\/outlook-guidelines\/#%E4%B8%BB%E3%81%AA%E8%A6%81%E4%BB%B6\" >\u4e3b\u306a\u8981\u4ef6<\/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\/outlook-guidelines\/#%E6%8E%A8%E5%A5%A8%E4%BA%8B%E9%A0%85\" >\u63a8\u5968\u4e8b\u9805<\/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\/outlook-guidelines\/#%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%AE%E5%AE%9F%E6%96%BD%E3%82%B9%E3%82%B1%E3%82%B8%E3%83%A5%E3%83%BC%E3%83%AB\" >\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5b9f\u65bd\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/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\/outlook-guidelines\/#%E3%81%BE%E3%81%A8%E3%82%81\" >\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%AE%E5%AF%BE%E8%B1%A1%E3%81%A8%E7%9B%AE%E7%9A%84\"><\/span><span style=\"font-weight: 400\">\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5bfe\u8c61\u3068\u76ee\u7684<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">1\u65e5\u306b5,000\u901a\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092Outlook\u5b9b\u306b\u9001\u4fe1\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5236\u5b9a\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u30fb\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30fb\u30b9\u30d1\u30e0\u306e\u524a\u6e1b\u304c\u884c\u308f\u308c\u308b\u3068\u3068\u3082\u306b\u3001\u30eb\u30fc\u30eb\u3092\u5b88\u3063\u3066\u3044\u308b\u6b63\u5f53\u306a\u9001\u4fe1\u8005\u306e\u30d6\u30e9\u30f3\u30c9\u4fdd\u8b77\u30fb\u914d\u4fe1\u7387\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%BB%E3%81%AA%E8%A6%81%E4%BB%B6\"><\/span><span style=\"font-weight: 400\">\u4e3b\u306a\u8981\u4ef6<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">SPF\u30fbDKIM\u30fbDMARC\u4ee5\u4e0b\u306e\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30e1\u30fc\u30eb\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u3001\u5c06\u6765\u7684\u306b\u306f\u914d\u4fe1\u304c\u62d2\u5426\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li style=\"font-weight: 400\"><b>SPF<\/b><span style=\"font-weight: 400\">\uff1a\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u3001\u5b9f\u969b\u306b\u305d\u306e\u30e1\u30fc\u30eb\u3092\u9001\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\uff08IP\u30a2\u30c9\u30ec\u30b9\u3084\u30db\u30b9\u30c8\u540d\uff09\u3092\u6b63\u3057\u304f\u30ea\u30b9\u30c8\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/li>\n<li style=\"font-weight: 400\"><b>DKIM<\/b><span style=\"font-weight: 400\">\uff1a\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u5b8c\u5168\u6027\u3068\u771f\u6b63\u6027\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u30d1\u30b9\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/span><\/li>\n<li style=\"font-weight: 400\"><b>DMARC<\/b><span style=\"font-weight: 400\">\uff1aSPF\u307e\u305f\u306fDKIM\u3068\u6574\u5408\u6027\u304c\u3042\u308a\u3001\u6700\u4f4e\u3067\u3082<\/span><span style=\"font-weight: 400\">p=none<\/span><span style=\"font-weight: 400\">\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div style=\"padding: 10px 20px 10px;border-radius: 5px;border: 2px solid #d3d3d3;background: #f5f5f5\"><span style=\"font-weight: 400\">\u25b6\ufe0e Benchmark Email\u3092\u3054\u5229\u7528\u306e\u65b9\u306f\u3001<\/span><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<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%8E%A8%E5%A5%A8%E4%BA%8B%E9%A0%85\"><\/span><span style=\"font-weight: 400\">\u63a8\u5968\u4e8b\u9805<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">\u4ee5\u4e0b\u306e\u5bfe\u5fdc\u3082\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u63a8\u5968\u3055\u308c\u3066\u304a\u308a\u3001\u6e96\u62e0\u3057\u306a\u3044\u5834\u5408\u306fOutlook\u306b\u3088\u3063\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u305f\u308a\u3001\u53d7\u4fe1\u62d2\u5426\u3092\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400\">\u9001\u4fe1\u5143\u30fb\u8fd4\u4fe1\u5148\u306b\u306f\u6709\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3046<\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\uff08From\uff09\u3068\u8fd4\u4fe1\u5148\uff08Reply To\uff09\u306b\u8a2d\u5b9a\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u306f\u5b9f\u5728\u3057\u3066\u304a\u308a\u3001\u30e1\u30fc\u30eb\u53d7\u4fe1\u53ef\u80fd\u306a\u3082\u306e\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<div style=\"padding: 10px 20px 10px;border-radius: 5px;border: 2px solid #d3d3d3;background: #f5f5f5\"><span style=\"font-weight: 400\">\u25b6\ufe0e no-reply@\u306a\u3069\u306e\u9001\u4fe1\u5c02\u7528\u30a2\u30c9\u30ec\u30b9\u306f\u4f7f\u7528\u3092\u907f\u3051\u307e\u3057\u3087\u3046\u3002<\/span><\/div>\n<h3><\/h3>\n<h3><span style=\"font-weight: 400\">\u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af<\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u200b\u200b\u8cfc\u8aad\u8005\u304c\u7c21\u5358\u306b\u914d\u4fe1\u505c\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n<\/span><\/p>\n<div style=\"padding: 10px 20px 10px;border-radius: 5px;border: 2px solid #d3d3d3;background: #f5f5f5\"><span style=\"font-weight: 400\">\u25b6\ufe0e Benchmark Email\u3067\u306f\u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u304c\u81ea\u52d5\u3067\u633f\u5165\u3055\u308c\u307e\u3059\u3002<\/span><\/div>\n<h3><\/h3>\n<h3><span style=\"font-weight: 400\">\u30ea\u30b9\u30c8\u306e\u5b9a\u671f\u7684\u306a\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\uff08\u30a8\u30e9\u30fc\u7ba1\u7406\uff09<\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u7121\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u5b9a\u671f\u7684\u306b\u524a\u9664\u3057\u3001\u30a8\u30e9\u30fc\u3084\u30b9\u30d1\u30e0\u82e6\u60c5\u306e\u767a\u751f\u3092\u9632\u304e\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<div style=\"padding: 10px 20px 10px;border-radius: 5px;border: 2px solid #d3d3d3;background: #f5f5f5\"><span style=\"font-weight: 400\">\u25b6\ufe0e Benchmark Email\u3067\u306f\u3001\u30a8\u30e9\u30fc\u30a2\u30c9\u30ec\u30b9\u304c\u81ea\u52d5\u7ba1\u7406\u3055\u308c\u3001\u9001\u4fe1\u5148\u304b\u3089\u9664\u5916\u3055\u308c\u307e\u3059\u3002<\/span><\/div>\n<h3><\/h3>\n<h3><span style=\"font-weight: 400\">\u900f\u660e\u6027\u306e\u3042\u308b\u30e1\u30fc\u30eb\u914d\u4fe1<\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8a31\u53ef\u3092\u5f97\u3066\u3044\u308b\u8cfc\u8aad\u8005\u3078\u306e\u307f\u914d\u4fe1\u3057\u3001\u4ef6\u540d\u306b\u306f\u8aa4\u89e3\u3092\u62db\u304f\u8868\u73fe\u3092\u4f7f\u308f\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<div style=\"padding: 10px 20px 10px;border-radius: 5px;border: 2px solid #d3d3d3;background: #f5f5f5\"><span style=\"font-weight: 400\">\u25b6\ufe0e Benchmark Email\u3067\u306f\u8cfc\u5165\u304a\u3088\u3073\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u304b\u3089\u53ce\u96c6\u3057\u305f\u30a2\u30c9\u30ec\u30b9\u306e\u5229\u7528\u306f\u7981\u6b62\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u6539\u3081\u3066\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/div>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%82%AC%E3%82%A4%E3%83%89%E3%83%A9%E3%82%A4%E3%83%B3%E3%81%AE%E5%AE%9F%E6%96%BD%E3%82%B9%E3%82%B1%E3%82%B8%E3%83%A5%E3%83%BC%E3%83%AB\"><\/span><span style=\"font-weight: 400\">\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5b9f\u65bd\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">2025\u5e745\u67085\u65e5\u4ee5\u964d\u3001Outlook\u3067\u306f\u975e\u6e96\u62e0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u308b\u5bfe\u5fdc\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u9001\u4fe1\u8005\u306b\u306f\u3001\u672a\u89e3\u6c7a\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u7336\u4e88\u671f\u9593\u304c\u8a2d\u3051\u3089\u308c\u307e\u3059\u304c\u3001\u5c06\u6765\u7684\u306b\u306f\u3055\u3089\u306b\u53b3\u683c\u5316\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span><span style=\"font-weight: 400\">\u307e\u3068\u3081<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">\u4eca\u56de\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u30b9\u30d1\u30e0\u306e\u524a\u6e1b\u3092\u76ee\u7684\u3068\u3057\u3066\u304a\u308a\u3001\u6b63\u3057\u304f\u904b\u7528\u3059\u308b\u3053\u3068\u3067\u5230\u9054\u7387\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002\u4eca\u4e00\u5ea6\u3001\u914d\u4fe1\u74b0\u5883\u304c\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u304b\u3092\u898b\u76f4\u3057\u3001\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u3055\u3089\u306b\u9ad8\u3081\u307e\u3057\u3087\u3046\u3002<\/span><\/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>\u53c2\u8003\u8a18\u4e8b<\/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><br \/>\n\u30fb<a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/email-bounce-rate-and-deliverability\/\" target=\"_blank\" rel=\"noopener\">\u30a8\u30e9\u30fc\u7387\u3092\u6e1b\u3089\u3057\u3066\u30e1\u30eb\u30de\u30ac\u306e\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u65b9\u6cd5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2024\u5e74\u306bGmail\u3068\u7c73Yahoo\u30e1\u30fc\u30eb\u304c\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u5236\u5b9a\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u3084\u914d\u4fe1\u505c\u6b62\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u898f\u5b9a\u3092\u30af\u30ea\u30a2\u3057\u305f\u914d\u4fe1\u3092\u884c\u3046\u3053\u3068\u304c\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u307e\u3057\u305f\u3002 \u3053\u308c\u306b\u7d9a\u304d\u3001Microsoft\u30822025\u5e745\u6708\u304b\u3089\u6bb5\u968e\u7684\u306b\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u65bd\u884c\u3057\u307e\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306f\u3001Microsoft\u793e\u306e\u30c6\u30c3\u30af\u30d6\u30ed\u30b0\u3092\u3082\u3068\u306b\u3001\u65b0\u8981\u4ef6\u306e\u7279\u306b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3084\u5bfe\u5fdc\u306e\u512a\u5148\u5ea6\u304c\u9ad8\u3044\u9805\u76ee\u306b\u3064\u3044\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5bfe\u8c61\u3068\u76ee\u7684 1\u65e5\u306b5,000\u901a\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092Outlook\u5b9b\u306b\u9001\u4fe1\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5236\u5b9a\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u30fb\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30fb\u30b9\u30d1\u30e0\u306e\u524a\u6e1b\u304c\u884c\u308f\u308c\u308b\u3068\u3068\u3082\u306b\u3001\u30eb\u30fc\u30eb\u3092\u5b88\u3063\u3066\u3044\u308b\u6b63\u5f53\u306a\u9001\u4fe1\u8005\u306e\u30d6\u30e9\u30f3\u30c9\u4fdd\u8b77\u30fb\u914d\u4fe1\u7387\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002 \u4e3b\u306a\u8981\u4ef6 SPF\u30fbDKIM\u30fbDMARC\u4ee5\u4e0b\u306e\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30e1\u30fc\u30eb\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u3001\u5c06\u6765\u7684\u306b\u306f\u914d\u4fe1\u304c\u62d2\u5426\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 SPF\uff1a\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u3001\u5b9f\u969b\u306b\u305d\u306e\u30e1\u30fc\u30eb\u3092\u9001\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\uff08IP\u30a2\u30c9\u30ec\u30b9\u3084\u30db\u30b9\u30c8\u540d\uff09\u3092\u6b63\u3057\u304f\u30ea\u30b9\u30c8\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 DKIM\uff1a\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u5b8c\u5168\u6027\u3068\u771f\u6b63\u6027\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u30d1\u30b9\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002 DMARC\uff1aSPF\u307e\u305f\u306fDKIM\u3068\u6574\u5408\u6027\u304c\u3042\u308a\u3001\u6700\u4f4e\u3067\u3082p=none\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u25b6\ufe0e Benchmark Email\u3092\u3054\u5229\u7528\u306e\u65b9\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002 &nbsp; \u63a8\u5968\u4e8b\u9805 \u4ee5\u4e0b\u306e\u5bfe\u5fdc\u3082\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u63a8\u5968\u3055\u308c\u3066\u304a\u308a\u3001\u6e96\u62e0\u3057\u306a\u3044\u5834\u5408\u306fOutlook\u306b\u3088\u3063\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u305f\u308a\u3001\u53d7\u4fe1\u62d2\u5426\u3092\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u9001\u4fe1\u5143\u30fb\u8fd4\u4fe1\u5148\u306b\u306f\u6709\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3046 \u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\uff08From\uff09\u3068\u8fd4\u4fe1\u5148\uff08Reply To\uff09\u306b\u8a2d\u5b9a\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u306f\u5b9f\u5728\u3057\u3066\u304a\u308a\u3001\u30e1\u30fc\u30eb\u53d7\u4fe1\u53ef\u80fd\u306a\u3082\u306e\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e no-reply@\u306a\u3069\u306e\u9001\u4fe1\u5c02\u7528\u30a2\u30c9\u30ec\u30b9\u306f\u4f7f\u7528\u3092\u907f\u3051\u307e\u3057\u3087\u3046\u3002 \u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af \u200b\u200b\u8cfc\u8aad\u8005\u304c\u7c21\u5358\u306b\u914d\u4fe1\u505c\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e Benchmark Email\u3067\u306f\u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u304c\u81ea\u52d5\u3067\u633f\u5165\u3055\u308c\u307e\u3059\u3002 \u30ea\u30b9\u30c8\u306e\u5b9a\u671f\u7684\u306a\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\uff08\u30a8\u30e9\u30fc\u7ba1\u7406\uff09 \u7121\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u5b9a\u671f\u7684\u306b\u524a\u9664\u3057\u3001\u30a8\u30e9\u30fc\u3084\u30b9\u30d1\u30e0\u82e6\u60c5\u306e\u767a\u751f\u3092\u9632\u304e\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e Benchmark Email\u3067\u306f\u3001\u30a8\u30e9\u30fc\u30a2\u30c9\u30ec\u30b9\u304c\u81ea\u52d5\u7ba1\u7406\u3055\u308c\u3001\u9001\u4fe1\u5148\u304b\u3089\u9664\u5916\u3055\u308c\u307e\u3059\u3002 \u900f\u660e\u6027\u306e\u3042\u308b\u30e1\u30fc\u30eb\u914d\u4fe1 \u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8a31\u53ef\u3092\u5f97\u3066\u3044\u308b\u8cfc\u8aad\u8005\u3078\u306e\u307f\u914d\u4fe1\u3057\u3001\u4ef6\u540d\u306b\u306f\u8aa4\u89e3\u3092\u62db\u304f\u8868\u73fe\u3092\u4f7f\u308f\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e Benchmark Email\u3067\u306f\u8cfc\u5165\u304a\u3088\u3073\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u304b\u3089\u53ce\u96c6\u3057\u305f\u30a2\u30c9\u30ec\u30b9\u306e\u5229\u7528\u306f\u7981\u6b62\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u6539\u3081\u3066\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 &nbsp; \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5b9f\u65bd\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb 2025\u5e745\u67085\u65e5\u4ee5\u964d\u3001Outlook\u3067\u306f\u975e\u6e96\u62e0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u308b\u5bfe\u5fdc\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u9001\u4fe1\u8005\u306b\u306f\u3001\u672a\u89e3\u6c7a\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u7336\u4e88\u671f\u9593\u304c\u8a2d\u3051\u3089\u308c\u307e\u3059\u304c\u3001\u5c06\u6765\u7684\u306b\u306f\u3055\u3089\u306b\u53b3\u683c\u5316\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002 &nbsp; \u307e\u3068\u3081 \u4eca\u56de\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u30b9\u30d1\u30e0\u306e\u524a\u6e1b\u3092\u76ee\u7684\u3068\u3057\u3066\u304a\u308a\u3001\u6b63\u3057\u304f\u904b\u7528\u3059\u308b\u3053\u3068\u3067\u5230\u9054\u7387\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002\u4eca\u4e00\u5ea6\u3001\u914d\u4fe1\u74b0\u5883\u304c\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u304b\u3092\u898b\u76f4\u3057\u3001\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u3055\u3089\u306b\u9ad8\u3081\u307e\u3057\u3087\u3046\u3002 \u53c2\u8003\u8a18\u4e8b \u30fbGmail\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 \u30fb\u30a8\u30e9\u30fc\u7387\u3092\u6e1b\u3089\u3057\u3066\u30e1\u30eb\u30de\u30ac\u306e\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u65b9\u6cd5<\/p>\n","protected":false},"author":236,"featured_media":44161,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2164,2298],"tags":[],"class_list":["post-44153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-marketing","category-openrate"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Outlook\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3 - 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\/outlook-guidelines\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Outlook\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3 - Benchmark Email\" \/>\n<meta property=\"og:description\" content=\"2024\u5e74\u306bGmail\u3068\u7c73Yahoo\u30e1\u30fc\u30eb\u304c\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u5411\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u5236\u5b9a\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u3084\u914d\u4fe1\u505c\u6b62\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u898f\u5b9a\u3092\u30af\u30ea\u30a2\u3057\u305f\u914d\u4fe1\u3092\u884c\u3046\u3053\u3068\u304c\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u307e\u3057\u305f\u3002 \u3053\u308c\u306b\u7d9a\u304d\u3001Microsoft\u30822025\u5e745\u6708\u304b\u3089\u6bb5\u968e\u7684\u306b\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u65bd\u884c\u3057\u307e\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306f\u3001Microsoft\u793e\u306e\u30c6\u30c3\u30af\u30d6\u30ed\u30b0\u3092\u3082\u3068\u306b\u3001\u65b0\u8981\u4ef6\u306e\u7279\u306b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3084\u5bfe\u5fdc\u306e\u512a\u5148\u5ea6\u304c\u9ad8\u3044\u9805\u76ee\u306b\u3064\u3044\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5bfe\u8c61\u3068\u76ee\u7684 1\u65e5\u306b5,000\u901a\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092Outlook\u5b9b\u306b\u9001\u4fe1\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5236\u5b9a\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u30fb\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30fb\u30b9\u30d1\u30e0\u306e\u524a\u6e1b\u304c\u884c\u308f\u308c\u308b\u3068\u3068\u3082\u306b\u3001\u30eb\u30fc\u30eb\u3092\u5b88\u3063\u3066\u3044\u308b\u6b63\u5f53\u306a\u9001\u4fe1\u8005\u306e\u30d6\u30e9\u30f3\u30c9\u4fdd\u8b77\u30fb\u914d\u4fe1\u7387\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002 \u4e3b\u306a\u8981\u4ef6 SPF\u30fbDKIM\u30fbDMARC\u4ee5\u4e0b\u306e\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30e1\u30fc\u30eb\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u3001\u5c06\u6765\u7684\u306b\u306f\u914d\u4fe1\u304c\u62d2\u5426\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 SPF\uff1a\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u3001\u5b9f\u969b\u306b\u305d\u306e\u30e1\u30fc\u30eb\u3092\u9001\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\uff08IP\u30a2\u30c9\u30ec\u30b9\u3084\u30db\u30b9\u30c8\u540d\uff09\u3092\u6b63\u3057\u304f\u30ea\u30b9\u30c8\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 DKIM\uff1a\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u5b8c\u5168\u6027\u3068\u771f\u6b63\u6027\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u30d1\u30b9\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002 DMARC\uff1aSPF\u307e\u305f\u306fDKIM\u3068\u6574\u5408\u6027\u304c\u3042\u308a\u3001\u6700\u4f4e\u3067\u3082p=none\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u25b6\ufe0e Benchmark Email\u3092\u3054\u5229\u7528\u306e\u65b9\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002 &nbsp; \u63a8\u5968\u4e8b\u9805 \u4ee5\u4e0b\u306e\u5bfe\u5fdc\u3082\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u63a8\u5968\u3055\u308c\u3066\u304a\u308a\u3001\u6e96\u62e0\u3057\u306a\u3044\u5834\u5408\u306fOutlook\u306b\u3088\u3063\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u305f\u308a\u3001\u53d7\u4fe1\u62d2\u5426\u3092\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u9001\u4fe1\u5143\u30fb\u8fd4\u4fe1\u5148\u306b\u306f\u6709\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3046 \u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\uff08From\uff09\u3068\u8fd4\u4fe1\u5148\uff08Reply To\uff09\u306b\u8a2d\u5b9a\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u306f\u5b9f\u5728\u3057\u3066\u304a\u308a\u3001\u30e1\u30fc\u30eb\u53d7\u4fe1\u53ef\u80fd\u306a\u3082\u306e\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e no-reply@\u306a\u3069\u306e\u9001\u4fe1\u5c02\u7528\u30a2\u30c9\u30ec\u30b9\u306f\u4f7f\u7528\u3092\u907f\u3051\u307e\u3057\u3087\u3046\u3002 \u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af \u200b\u200b\u8cfc\u8aad\u8005\u304c\u7c21\u5358\u306b\u914d\u4fe1\u505c\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e Benchmark Email\u3067\u306f\u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u304c\u81ea\u52d5\u3067\u633f\u5165\u3055\u308c\u307e\u3059\u3002 \u30ea\u30b9\u30c8\u306e\u5b9a\u671f\u7684\u306a\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\uff08\u30a8\u30e9\u30fc\u7ba1\u7406\uff09 \u7121\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u5b9a\u671f\u7684\u306b\u524a\u9664\u3057\u3001\u30a8\u30e9\u30fc\u3084\u30b9\u30d1\u30e0\u82e6\u60c5\u306e\u767a\u751f\u3092\u9632\u304e\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e Benchmark Email\u3067\u306f\u3001\u30a8\u30e9\u30fc\u30a2\u30c9\u30ec\u30b9\u304c\u81ea\u52d5\u7ba1\u7406\u3055\u308c\u3001\u9001\u4fe1\u5148\u304b\u3089\u9664\u5916\u3055\u308c\u307e\u3059\u3002 \u900f\u660e\u6027\u306e\u3042\u308b\u30e1\u30fc\u30eb\u914d\u4fe1 \u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8a31\u53ef\u3092\u5f97\u3066\u3044\u308b\u8cfc\u8aad\u8005\u3078\u306e\u307f\u914d\u4fe1\u3057\u3001\u4ef6\u540d\u306b\u306f\u8aa4\u89e3\u3092\u62db\u304f\u8868\u73fe\u3092\u4f7f\u308f\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e Benchmark Email\u3067\u306f\u8cfc\u5165\u304a\u3088\u3073\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u304b\u3089\u53ce\u96c6\u3057\u305f\u30a2\u30c9\u30ec\u30b9\u306e\u5229\u7528\u306f\u7981\u6b62\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u6539\u3081\u3066\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 &nbsp; \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5b9f\u65bd\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb 2025\u5e745\u67085\u65e5\u4ee5\u964d\u3001Outlook\u3067\u306f\u975e\u6e96\u62e0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u308b\u5bfe\u5fdc\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u9001\u4fe1\u8005\u306b\u306f\u3001\u672a\u89e3\u6c7a\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u7336\u4e88\u671f\u9593\u304c\u8a2d\u3051\u3089\u308c\u307e\u3059\u304c\u3001\u5c06\u6765\u7684\u306b\u306f\u3055\u3089\u306b\u53b3\u683c\u5316\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002 &nbsp; \u307e\u3068\u3081 \u4eca\u56de\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u30b9\u30d1\u30e0\u306e\u524a\u6e1b\u3092\u76ee\u7684\u3068\u3057\u3066\u304a\u308a\u3001\u6b63\u3057\u304f\u904b\u7528\u3059\u308b\u3053\u3068\u3067\u5230\u9054\u7387\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002\u4eca\u4e00\u5ea6\u3001\u914d\u4fe1\u74b0\u5883\u304c\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u304b\u3092\u898b\u76f4\u3057\u3001\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u3055\u3089\u306b\u9ad8\u3081\u307e\u3057\u3087\u3046\u3002 \u53c2\u8003\u8a18\u4e8b \u30fbGmail\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 \u30fb\u30a8\u30e9\u30fc\u7387\u3092\u6e1b\u3089\u3057\u3066\u30e1\u30eb\u30de\u30ac\u306e\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u65b9\u6cd5\" \/>\n<meta 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\/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/benchmarkjp\" \/>\n<meta name=\"twitter:site\" content=\"@BenchmarkJP\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5c71\u672c \u7f8e\u667a\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.benchmarkemail.com\\\/jp\\\/blog\\\/outlook-guidelines\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.benchmarkemail.com\\\/jp\\\/blog\\\/outlook-guidelines\\\/\"},\"author\":{\"name\":\"\u5c71\u672c 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no-reply@\u306a\u3069\u306e\u9001\u4fe1\u5c02\u7528\u30a2\u30c9\u30ec\u30b9\u306f\u4f7f\u7528\u3092\u907f\u3051\u307e\u3057\u3087\u3046\u3002 \u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af \u200b\u200b\u8cfc\u8aad\u8005\u304c\u7c21\u5358\u306b\u914d\u4fe1\u505c\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e Benchmark Email\u3067\u306f\u308f\u304b\u308a\u3084\u3059\u3044\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u304c\u81ea\u52d5\u3067\u633f\u5165\u3055\u308c\u307e\u3059\u3002 \u30ea\u30b9\u30c8\u306e\u5b9a\u671f\u7684\u306a\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\uff08\u30a8\u30e9\u30fc\u7ba1\u7406\uff09 \u7121\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u5b9a\u671f\u7684\u306b\u524a\u9664\u3057\u3001\u30a8\u30e9\u30fc\u3084\u30b9\u30d1\u30e0\u82e6\u60c5\u306e\u767a\u751f\u3092\u9632\u304e\u307e\u3057\u3087\u3046\u3002 \u25b6\ufe0e Benchmark 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2025\u5e745\u67085\u65e5\u4ee5\u964d\u3001Outlook\u3067\u306f\u975e\u6e96\u62e0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u308b\u5bfe\u5fdc\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u9001\u4fe1\u8005\u306b\u306f\u3001\u672a\u89e3\u6c7a\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u7336\u4e88\u671f\u9593\u304c\u8a2d\u3051\u3089\u308c\u307e\u3059\u304c\u3001\u5c06\u6765\u7684\u306b\u306f\u3055\u3089\u306b\u53b3\u683c\u5316\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002 &nbsp; \u307e\u3068\u3081 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