{"id":14296,"date":"2026-04-06T08:54:19","date_gmt":"2026-04-05T23:54:19","guid":{"rendered":"https:\/\/www.kagoya.jp\/howto\/?p=14296"},"modified":"2026-04-06T08:54:21","modified_gmt":"2026-04-05T23:54:21","slug":"gmail-guideline","status":"publish","type":"post","link":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/","title":{"rendered":"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/gmail-guideline.png\" alt=\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u89e3\u8aac\" class=\"wp-image-15178\"\/><\/figure>\n\n\n\n<p>Google\u793e\u306fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u3068Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u81ea\u793e\u306b\u5c02\u7528\u306e\u6280\u8853\u8005\u304c\u3044\u306a\u3044\u306a\u3069\u306e\u7406\u7531\u3067\u3001\u300c\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u304b\u300d\u304c\u308f\u304b\u3089\u306a\u3044\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\u4f55\u304b\u3084\u6982\u8981\u3068\u3044\u3063\u305f\u57fa\u672c\u7684\u306a\u5185\u5bb9\u304b\u3089\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5bfe\u5fdc\u65b9\u6cd5\u307e\u3067\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u3001\u9ad8\u5ea6\u306a\u77e5\u8b58\u304c\u306a\u3051\u308c\u3070\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u3001\u81ea\u793e\u306b\u4f55\u304c\u8db3\u308a\u306a\u3044\u304b\u3084\u4f55\u3092\u3059\u308c\u3070\u3088\u3044\u304b\u3092\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"kh-cta\"><div class=\"entry-content\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full has-lightbox\"><a href=\"https:\/\/www.kagoya.jp\/kir\/mail\/?argument=vqHX23Xs&amp;dmai=a658cdc207597e\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" width=\"728\" height=\"90\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/2374966f581d4fb8ed1c1346456787ff.png\" alt=\"\" class=\"wp-image-14173\" srcset=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/2374966f581d4fb8ed1c1346456787ff.png 728w, https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/2374966f581d4fb8ed1c1346456787ff-300x37.png 300w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\">Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u5bfe\u5fdc\u3057\u306a\u3044\u3068\u3069\u3046\u306a\u308b\uff1f<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/gmailguideline-img.png\" alt=\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u56f3\u89e3\" class=\"wp-image-15170\"\/><\/figure>\n\n\n\n<p>Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\u3001Gmail\u30e6\u30fc\u30b6\u30fc\u3092\u8ff7\u60d1\u30e1\u30fc\u30eb\u3084\u60aa\u610f\u306e\u3042\u308b\u30e1\u30fc\u30eb\u304b\u3089\u5b88\u308b\u76ee\u7684\u3067\u3001Google\u304c\u5b9a\u3081\u305fGmail\u5b9b\u3066\u306b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306e\u30eb\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u8fd1\u5e74\u3001\u60aa\u610f\u306e\u3042\u308b\u30e1\u30fc\u30eb\u306f\u5897\u3048\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/securelist.com\/spam-and-phishing-report-2025\/118785\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kaspersky Lab\u306e\u8abf\u67fb<\/a>\u306b\u3088\u308c\u3070\u30012025\u5e74\u306b\u4e16\u754c\u4e2d\u3067\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u3046\u3061\u3001\u5b9f\u306b99\uff05\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u3060\u3063\u305f\u3068\u306e\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u306a\u304b\u306b\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3080\u30e1\u30fc\u30eb\u3084\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3092\u76ee\u7684\u3068\u3057\u305f\u30e1\u30fc\u30eb\u3082\u6570\u591a\u304f\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3046\u3057\u305f\u4e8b\u614b\u3092\u53d7\u3051\u3001Google\u306fGmail\u30e6\u30fc\u30b6\u30fc\u3092\u5b88\u308b\u305f\u3081\u30012024\u5e742\u6708\u304b\u3089Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u9069\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5bfe\u5fdc\u3057\u306a\u3051\u308c\u3070Gmail\u5b9b\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/h3>\n\n\n\n<p>Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3057\u306a\u3044\u3068\u3001\u30c9\u30e1\u30a4\u30f3\u90e8\u5206\u304c @gmail.com\u30fb@googlemail.com \u3067\u3042\u308b\u500b\u4eba\u5411\u3051Gmail\u5b9b\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Google\u793e\u306f\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u4eca\u5f8c\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u5b88\u3089\u306a\u3051\u308c\u3070\u500b\u4eba\u5411\u3051Gmail\u5b9b\u306e\u30e1\u30fc\u30eb\u304c\u4e00\u5207\u5c4a\u304b\u306a\u304f\u306a\u308b\u30ea\u30b9\u30af\u3082\u5426\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\u65e55,000\u4ef6\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306f\u8981\u4ef6\u304c\u53b3\u3057\u304f\u306a\u308b<\/h3>\n\n\n\n<p>1\u65e55,000\u4ef6\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3088\u3046\u306a\u30e1\u30fc\u30eb\u30de\u30ac\u30b8\u30f3\u306e\u9001\u4fe1\u696d\u8005\u306a\u3069\u306f\u3001\u3055\u3089\u306b\u8981\u4ef6\u304c\u53b3\u3057\u304f\u306a\u308b\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>1\u5ea6\u3067\u30825,000\u4ef6\/\u65e5\u3092\u8d85\u3048\u308b\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u78ba\u8a8d\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u534a\u6c38\u4e45\u7684\u306b\u3053\u306e\u30eb\u30fc\u30eb\u304c\u9069\u7528\u3055\u308c\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002\u30e1\u30fc\u30eb\u9001\u4fe1\u6570\u304c\u5927\u5e45\u306b\u4e0b\u304c\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u8981\u4ef6\u306f\u304b\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u30015,000\u4ef6\/\u65e5\u306e\u96c6\u8a08\u306f\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u30c9\u30e1\u30a4\u30f3\uff08\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\/example.jp\u306a\u3069\uff09\u3054\u3068\u306b\u304a\u3053\u306a\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7c73Yahoo!\u306a\u3069\u8907\u6570\u306e\u4e8b\u696d\u8005\u304cGmail\u306b\u8ffd\u968f\u3057\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b<\/h3>\n\n\n\n<p>\u5f71\u97ff\u304c\u3042\u308b\u306e\u306fGmail\u5b9b\u306e\u30e1\u30fc\u30eb\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7c73Yahoo!\u3084Apple\u793e\u306eiCloud Mail\u306a\u3069\u3082\u3001Gmail\u540c\u69d8\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3066\u5236\u9650\u306e\u904b\u7528\u3092\u958b\u59cb\u3057\u3066\u3044\u308b\u72b6\u6cc1\u3067\u3059\u3002\u4eca\u5f8c\u3001\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u610f\u8b58\u3057\u306a\u3051\u308c\u3070\u3001\u3055\u3089\u306b\u591a\u304f\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001\u672c\u8a18\u4e8b\u3092\u57f7\u7b46\u3057\u3066\u3044\u308b2026\u5e741\u6708\u6642\u70b9\u3067\u3001\u65e5\u672c\u306eYahoo!\u30e1\u30fc\u30eb\u306f\u540c\u69d8\u306e\u63aa\u7f6e\u3092\u304a\u3053\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u6bb5\u968e\u7684\u306b\u5909\u66f4\u3055\u308c\u3066\u304d\u305f<\/h2>\n\n\n\n<p>Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u6700\u521d\u304b\u3089\u5236\u9650\u304c\u53b3\u3057\u304b\u3063\u305f\u308f\u3051\u3067\u306a\u304f\u3001\u6bb5\u968e\u7684\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u3001\u3069\u306e\u3088\u3046\u306b\u5236\u9650\u304c\u53b3\u683c\u5316\u3055\u308c\u3066\u3044\u3063\u305f\u304b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30102024\u5e742\u6708\u3011\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u30e1\u30fc\u30eb\u306f\u60f3\u5b9a\u901a\u308a\u914d\u4fe1\u3055\u308c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b<\/h3>\n\n\n\n<p>2024\u5e742\u6708\u306b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u904b\u7528\u304c\u6b63\u5f0f\u306b\u958b\u59cb\u3055\u308c\u3001\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u30e1\u30fc\u30eb\u306f\u60f3\u5b9a\u901a\u308a\u914d\u4fe1\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u72b6\u6cc1\u3067\u3057\u305f\u3002\u3053\u306e\u6642\u671f\u306f\u904b\u7528\u958b\u59cb\u304b\u3089\u307e\u3082\u306a\u304f\u3001\u7336\u4e88\u671f\u9593\u306e\u3088\u3046\u306a\u611f\u3058\u3067\u3042\u308a\u3001\u5927\u304d\u306a\u5f71\u97ff\u3092\u53d7\u3051\u305f\u4e8b\u696d\u8005\u306f\u5c11\u306a\u304b\u3063\u305f\u3068\u60f3\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30102024\u5e746\u6708\u3011\u5168\u3066\u306e\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u306b\u914d\u4fe1\u505c\u6b62\u6a5f\u80fd\u306e\u7fa9\u52d9\u5316<\/h3>\n\n\n\n<p>2024\u5e746\u6708\u304b\u3089\u3001\u5168\u3066\u306e\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u306b\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u8cfc\u8aad\u3092\u89e3\u9664\u3067\u304d\u308b\u8981\u4ef6\u304c\u6c42\u3081\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u306f\u3001\u3053\u306e\u9803\u304b\u3089\u5b9f\u969b\u306bGmail\u5b9b\u3078\u306e\u914d\u9001\u304c\u5931\u6557\u3059\u308b\u30b1\u30fc\u30b9\u304c\u5897\u3048\u3066\u3044\u308b\u72b6\u6cc1\u3067\u3059\u3002\u307e\u305f\u7336\u4e88\u671f\u9593\u304c\u7d42\u4e86\u3057\u305f\u306e\u304b\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u53d7\u4fe1\u62d2\u5426\u3055\u308c\u308bGmail\u5b9b\u30e1\u30fc\u30eb\u304c\u5897\u3048\u59cb\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30102025\u5e7411\u6708\u3011\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u30e1\u30fc\u30eb\u306f\u914d\u4fe1\u3092\u4e00\u6642\u7684\u30fb\u6c38\u7d9a\u7684\u306b\u62d2\u5426<\/h3>\n\n\n\n<p>2025\u5e7411\u6708\u306b\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u3055\u3089\u306b\u53b3\u683c\u5316\u3055\u308c\u307e\u3057\u305f\u3002Google\u516c\u5f0f\u306eFAQ\u306b\u306f\u30015,000\u901a\/\u65e5\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306b\u5bfe\u3059\u308b\u5236\u9650\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"kh-box is-style-red\"><div class=\"kh-box__content\">\n<p>Starting November 2025, Gmail is ramping up its enforcement on non-compliant traffic. Messages that fail to meet the email sender requirements will experience disruptions, including temporary and permanent rejections.<\/p>\n\n\n\n<p>\uff1c\u65e5\u672c\u8a9e\u8a33\uff1e<br>2025\u5e7411\u6708\u3088\u308a\u3001Gmail\u306f\u975e\u6e96\u62e0\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5bfe\u3059\u308b\u898f\u5236\u5f37\u5316\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u4e00\u6642\u7684\u307e\u305f\u306f\u6052\u4e45\u7684\u306a\u62d2\u5426\u3092\u542b\u3080\u914d\u9001\u306e\u4e2d\u65ad\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>5,000\u901a\/\u65e5\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u5411\u3051\u306e\u5236\u9650\u306b\u95a2\u3057\u3066\u3001\u3053\u308c\u307e\u3067\u306f\u300c\u5c4a\u304b\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u300d\u3068\u3044\u3063\u305f\u72b6\u6cc1\u3067\u3057\u305f\u3002\u4eca\u5f8c\u306f\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u3001\u4e00\u5207\u5c4a\u304b\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u4e00\u6642\u7684\u62d2\u5426\u300d\u306e\u53ef\u80fd\u6027\u3082\u5302\u308f\u305b\u3066\u3044\u308b\u306e\u3067\u300c\u4e00\u5207\u5c4a\u304b\u306a\u3044\u300d\u3068\u307e\u3067\u65ad\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u5c4a\u304b\u306a\u3044\u30ea\u30b9\u30af\u304c\u9ad8\u304f\u306a\u3063\u305f\u306e\u306f\u78ba\u5b9f\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u306b\u306f\uff1fSPF\/DKIM\/DMARC\u306f\u5fc5\u9808\uff01<\/h2>\n\n\n\n<p>Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u306b\u306f\u3001\u3088\u304f\u8a00\u308f\u308c\u308b\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u306f\u3058\u3081\u3068\u3057\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u3001\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u8a2d\u5b9a\u304c\u5fc5\u8981\u306b\u306a\u308b\u304b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC\uff09\u306b\u5bfe\u5fdc\u3059\u308b<\/h3>\n\n\n\n<p>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC\uff09\u306f\u3001\u30e1\u30fc\u30eb\u304c\u6b63\u5f53\u306a\u9001\u4fe1\u5143\u304b\u3089\u9001\u3089\u308c\u305f\u3082\u306e\u304b\u3092\u78ba\u8a8d\u3057\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u88ab\u5bb3\u3092\u9632\u3050\u6280\u8853\u3067\u3059\u3002Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u8981\u4ef6\u3067\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3078\u306e\u5bfe\u5fdc\u304c\u5fc5\u9808\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u30015,000\u901a\/\u65e5\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u8981\u4ef6\u304c\u53b3\u3057\u304f\u306a\u308b\u306e\u3067\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u25a0Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\/\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC\uff09\u5bfe\u5fdc<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><\/th><th>SPF\/DKIM<\/th><th>DMARC<\/th><\/tr><\/thead><tbody><tr><td>\u5168\u3066\u306e\u9001\u4fe1\u8005<\/td><td>SPF\u3082\u3057\u304f\u306fDKIM\u3044\u305a\u308c\u304b\u304c\u5fc5\u9808<\/td><td>\u5fc5\u9808\u3067\u306f\u306a\u3044<\/td><\/tr><tr><td>5,000\u901a\/\u65e5\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005<\/td><td>SPF\u30fbDKIM\u3044\u305a\u308c\u3082\u5fc5\u9808<\/td><td>\u5fc5\u9808<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>5,000\u901a\/\u65e5\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u3067\u306a\u3044\u5834\u5408\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u306b\u306f\u3001\u5c11\u306a\u304f\u3068\u3082SPF\u30fbDKIM\u3044\u305a\u308c\u304b\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e00\u65b9\u30015,000\u901a\/\u65e5\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306f\u3001SPF\u30fbDKIM\u30fbDMARC\u5168\u3066\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"has-red-color has-text-color has-link-color wp-elements-ad920bc254294dd564eaf600ee5dfa71\">\u203b\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u6280\u8853\u306b\u95a2\u3059\u308b\u3088\u308a\u8a73\u3057\u3044\u60c5\u5831\u306f\u3001\u4ee5\u4e0b\u8a18\u4e8b\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\t\t<div class=\"kh-blog-card\">\n\t\t\t\t\t\t\t<figure class=\"kh-blog-card__thumbnail\">\n\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/SenderDomainAuthentication_catch.png\" class=\"kh-blog-card__image wp-post-image\" alt=\"\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3068\u306f\uff1f5\u5206\u3067\u5206\u304b\u308b\u57fa\u790e\u77e5\u8b58\u3068\u5c0e\u5165\u30e1\u30ea\u30c3\u30c8\" \/>\t\t\t\t<\/figure>\n\t\t\t\t\t\t<div class=\"kh-blog-card__text\">\n\t\t\t\t<p class=\"kh-blog-card__title\"><a href=\"https:\/\/www.kagoya.jp\/howto\/it-glossary\/mail\/authentication\/\">\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3068\u306f\uff1f5\u5206\u3067\u5206\u304b\u308b\u57fa\u790e\u77e5\u8b58\u3068\u5c0e\u5165\u30e1\u30ea\u30c3\u30c8<\/a><\/p>\n\t\t\t\t<p class=\"kh-blog-card__description\">\u30d3\u30b8\u30cd\u30b9\u30b7\u30fc\u30f3\u3067\u5fc5\u8981\u4e0d\u53ef\u6b20\u306a\u30e1\u30fc\u30eb\u306f\u3001\u305d\u306e\u5229\u4fbf\u6027\u306e\u9670\u3067\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u300d\u3068\u547c\u3070\u308c\u308b\u60aa\u8cea\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u304c\u6025\u5897\u3057\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u4f01\u696d\u304c\u6df1\u523b\u306a\u88ab\u5bb3\u306b\u76f4\u9762\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u8105\u5a01\u304b\u3089\u4f01\u696d\u8cc7\u7523\u3068\u4fe1\u983c\u3092\u5b88\u308b\u305f\u3081\u306b\u3001\u4eca\u300c\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u300d\u306e\u5c0e\u5165\u304c\u5f37\u304f\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3068\u306f\u4f55\u304b\u3001\u305d\u306e\u4ed5\u7d44\u307f\u3084\u5c0e\u5165\u306e\u30e1\u30ea\u30c3\u30c8\u3001\u5c0e\u5165\u65b9\u6cd5\u307e\u3067\u3092\u521d\u5fc3\u8005\u306e\u65b9\u306b\u3082\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002 \u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3068&hellip;<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\n\n<h4 class=\"wp-block-heading\">SPF\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h4>\n\n\n\n<p>SPF\uff08Sender Policy Framework\uff09\u3068\u306f\u3001DNS\u30b5\u30fc\u30d0\u30fc\u306b\u767b\u9332\u3057\u305f\u5c02\u7528\u306e\u300cSPF\u30ec\u30b3\u30fc\u30c9\u300d\u306b\u3088\u3063\u3066\u3001\u305d\u308c\u304c\u6b63\u898f\u306e\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u3089\u308c\u305f\u30e1\u30fc\u30eb\u304b\u78ba\u3081\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u306f\u3001\u81ea\u30c9\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u6b63\u5f53\u306a\u30b5\u30fc\u30d0\u30fc\u306e\u60c5\u5831\uff08IP\u30a2\u30c9\u30ec\u30b9\u306a\u3069\uff09\u3092\u3042\u3089\u304b\u3058\u3081SPF\u30ec\u30b3\u30fc\u30c9\u306b\u767b\u9332\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u53d7\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u30fc\u306fSPF\u30ec\u30b3\u30fc\u30c9\u3092\u53c2\u7167\u3057\u3066\u3001\u305d\u308c\u304c\u6b63\u898f\u306e\u9001\u4fe1\u5143\u304b\u3089\u9001\u3089\u308c\u305f\u30e1\u30fc\u30eb\u304b\u78ba\u8a8d\u3057\u305d\u306e\u8a8d\u8a3c\u7d50\u679c\u3092\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u306b\u66f8\u304d\u8fbc\u3080\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306aSPF\u30ec\u30b3\u30fc\u30c9\u304cDNS\u30b5\u30fc\u30d0\u30fc\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u305f\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>example.jp. IN TXT \"v=spf1 +ip4:192.168.100.0\/24 ~all\"<\/code><\/pre>\n\n\n\n<p>\u3053\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u307f\u308b\u3068\u3001@example.jp\u3092\u9001\u4fe1\u5143\u3068\u3059\u308b\u30e1\u30fc\u30eb\u306b\u3064\u3044\u3066\u3001\u6b63\u898f\u306e\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u304c192.168.100.0\/24\u3067\u3042\u308b\u3068\u308f\u304b\u308a\u307e\u3059\u3002SPF\u30ec\u30b3\u30fc\u30c9\u3067\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u307b\u304b\u3001A\u30ec\u30b3\u30fc\u30c9\u30fbMX\u30ec\u30b3\u30fc\u30c9\u306a\u3069\u3067\u6b63\u898f\u306e\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\u3092\u8a18\u8f09\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306b\u3088\u3063\u3066\u6b63\u898f\u306e\u9001\u4fe1\u5143\u304b\u3089\u9001\u3089\u308c\u305f\u3068\u78ba\u304b\u3081\u3089\u308c\u305f\u30e1\u30fc\u30eb\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3067\u306a\u3044\u3068\u5224\u65ad\u3055\u308c\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u304c\u3055\u308c\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u8a18\u4e8b\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\t\t<div class=\"kh-blog-card\">\n\t\t\t\t\t\t\t<figure class=\"kh-blog-card__thumbnail\">\n\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/202008b_catch.png\" class=\"kh-blog-card__image wp-post-image\" alt=\"SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f\u6b63\u3057\u3044\u66f8\u304d\u65b9\u3092\u5fb9\u5e95\u89e3\u8aac\" \/>\t\t\t\t<\/figure>\n\t\t\t\t\t\t<div class=\"kh-blog-card__text\">\n\t\t\t\t<p class=\"kh-blog-card__title\"><a href=\"https:\/\/www.kagoya.jp\/howto\/it-glossary\/mail\/spf\/\">SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f\u6b63\u3057\u3044\u66f8\u304d\u65b9\u3092\u5fb9\u5e95\u89e3\u8aac<\/a><\/p>\n\t\t\t\t<p class=\"kh-blog-card__description\">\u4f01\u696d\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u507d\u88c5\u3057\u305f\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u300d\u306b\u3088\u308b\u72af\u7f6a\u304c\u3001\u4e16\u754c\u4e2d\u3067\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u53d6\u5f15\u5148\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u88c5\u3063\u305f\u507d\u306e\u9001\u91d1\u6307\u793a\u30e1\u30fc\u30eb\u306b\u5f93\u3063\u3066\u304a\u91d1\u3092\u632f\u308a\u8fbc\u3093\u3067\u3057\u307e\u3063\u305f\u4f8b\u306a\u3069\u3001\u300c\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u300d\u8a50\u6b3a\u306e\u88ab\u5bb3\u5831\u544a\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002 \u305d\u3093\u306a\u306a\u304b\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u4e88\u9632\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u4ee3\u8868\u7684\u306a\u6280\u8853\u306e1\u3064\u304c\u3001DNS\u3092\u4f7f\u3063\u305fSPF\u3068\u3044\u3046\u6280\u8853\u3067\u3059\u3002\u6628\u4eca\u3067\u306fSPF\u30ec\u30b3\u30fc\u30c9\u3092\u767b\u9332\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3067\u3001\u81ea\u793e\u304b\u3089\u9001\u4fe1\u3057&hellip;<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\n\n<h4 class=\"wp-block-heading\">DKIM\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h4>\n\n\n\n<p>DKIM\uff08DomainKeys Identified Mail\uff09\u3068\u306f\u3001\u9001\u4fe1\u30e1\u30fc\u30eb\u306b\u300c\u96fb\u5b50\u7f72\u540d\u300d\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u3001\u6b63\u898f\u306e\u9001\u4fe1\u5143\u304b\u3089\u914d\u4fe1\u3055\u308c\u305f\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p>DKIM\u3092\u4f7f\u3046\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u8a2d\u5b9a\u3092\u304a\u3053\u306a\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u96fb\u5b50\u7f72\u540d\u306b\u5fc5\u8981\u306a\u79d8\u5bc6\u9375\u3068\u516c\u958b\u9375\u306e\u30da\u30a2\u3092\u4f5c\u6210\u3059\u308b<\/li>\n\n\n\n<li>\u516c\u958b\u9375\u3092DKIM\u30ec\u30b3\u30fc\u30c9\u306e\u304b\u305f\u3061\u306b\u6574\u5f62\u3057\u3066\u4f5c\u6210\u3057\u3001DNS\u30b5\u30fc\u30d0\u30fc\u306b\u767b\u9332\u3059\u308b<\/li>\n\n\n\n<li>DKIM\u5bfe\u5fdc\u306e\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\uff08\u4f8b\uff1aOutlook\uff09\u306a\u3069\u3067\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u6642\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u4e0e\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p><strong><span style=\"text-decoration: underline;\">DKIM\u30ec\u30b3\u30fc\u30c9\u306e\u4f8b<\/span><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>selector1._domainkey.example.co.jp. IN TXT \"v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A\u2026IDAQAB\"<\/code><\/pre>\n\n\n\n<p>DKIM\u306e\u6982\u8981\u3084\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u8208\u5473\u304c\u3042\u308c\u3070\u3042\u308f\u305b\u3066\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\t\t<div class=\"kh-blog-card\">\n\t\t\t\t\t\t\t<figure class=\"kh-blog-card__thumbnail\">\n\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/202104a_catch-1.jpg\" class=\"kh-blog-card__image wp-post-image\" alt=\"\u3010\u56f3\u89e3\u3011DKIM\u3068\u306f\uff1fSPF\u3068\u306e\u9055\u3044\u3001\u6700\u65b0\u306eDMARC\u3082\uff01\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u306e\u4ed5\u7d44\u307f\u3092\u89e3\u8aac\" \/>\t\t\t\t<\/figure>\n\t\t\t\t\t\t<div class=\"kh-blog-card__text\">\n\t\t\t\t<p class=\"kh-blog-card__title\"><a href=\"https:\/\/www.kagoya.jp\/howto\/it-glossary\/mail\/dkim\/\">\u3010\u56f3\u89e3\u3011DKIM\u3068\u306f\uff1fSPF\u3068\u306e\u9055\u3044\u3001\u6700\u65b0\u306eDMARC\u3082\uff01\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u306e\u4ed5\u7d44\u307f\u3092\u89e3\u8aac<\/a><\/p>\n\t\t\t\t<p class=\"kh-blog-card__description\">\u500b\u4eba\u30fb\u4f01\u696d\u3092\u554f\u308f\u305a\u3001\u9001\u4fe1\u5143\u3092\u8a50\u79f0\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306b\u3088\u308b\u88ab\u5bb3\u304c\u5f8c\u3092\u7d76\u3061\u307e\u305b\u3093\u3002\u4e2d\u3067\u3082\u4f01\u696d\u3092\u5bfe\u8c61\u3068\u3057\u305f\u653b\u6483\u306e\u4e8b\u4f8b\u3067\u306f\u3001\u305d\u306e\u88ab\u5bb3\u984d\u304c\u751a\u5927\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u653b\u6483\u3092\u5bfe\u7b56\u3059\u308b\u305f\u3081\u306b\u306f\u3001DKIM\uff08\u30c7\u30a3\u30fc\u30ad\u30e0\uff09\u3084SPF\uff08\u30a8\u30b9\u30d4\u30fc\u30a8\u30d5\uff09\u30fbDMARC\uff08\u30c7\u30a3\u30fc\u30de\u30fc\u30af\uff09\u3068\u3044\u3063\u305f\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306b\u3088\u308b\u5bfe\u7b56\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306fDKIM\u3068\u306f\u4f55\u304b\u3084\u3001\u53e4\u304f\u304b\u3089\u3042\u308bSPF\u3001\u6700\u65b0\u306eDMARC\u3068\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002 Pi&hellip;<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\n\n<h4 class=\"wp-block-heading\">DMARC\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h4>\n\n\n\n<p>DMARC(Domain-based Message Authentication, Reporting and Conformance)\u3068\u306f\u3001SPF\u3084DKIM\u306e\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u3092\u3001\u53d7\u4fe1\u5074\u3067\u3069\u3046\u51e6\u7406\u3059\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u6280\u8853\u3067\u3059\u3002DMARC\u3092\u4f7f\u3046\u306b\u306f\u3001SPF\u3068DKIM\u306e\u3044\u305a\u308c\u304b\u3001\u3082\u3057\u304f\u306f\u4e21\u65b9\u3092\u3042\u3089\u304b\u3058\u3081\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>DMARC\u3067\u306f\u3001\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u306e\u51e6\u7406\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b3\u3064\u306e\u7a2e\u985e\u304b\u3089\u9078\u3093\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>p=none\uff08\u76e3\u8996\uff09\uff1a\u76e3\u8996\u306e\u307f\u3067\u30e1\u30fc\u30eb\u306f\u62d2\u5426\u3055\u308c\u306a\u3044\u304c\u3001\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u306e\u5230\u9054\u72b6\u6cc1\u306f\u628a\u63e1\u3067\u304d\u308b<\/li>\n\n\n\n<li>p=quarantine\uff08\u9694\u96e2\uff09\uff1a\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u3092\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u3057\u3066\u9694\u96e2\u3059\u308b<\/li>\n\n\n\n<li>p=reject\uff08\u62d2\u5426\uff09\uff1a\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u306e\u914d\u9001\u3092\u62d2\u5426\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u6700\u521d\u306f\u76e3\u8996\u304b\u3089\u958b\u59cb\u3057\u3066\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u9694\u96e2\u30fb\u62d2\u5426\u3078\u5909\u66f4\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<p>DMARC\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001SPF\u30fbDKIM\u306e\u8a2d\u5b9a\u5f8c\u306b\u5c02\u7528\u306eDMARC\u30ec\u30b3\u30fc\u30c9\u3092DNS\u30b5\u30fc\u30d0\u30fc\u3078\u767b\u9332\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"text-decoration: underline;\">DMARC\u30ec\u30b3\u30fc\u30c9\u306e\u4f8b<\/span><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>_dmarc.example.co.jp. IN TXT \"v=DMARC1; p=none; rua=mailto:dmarc-report@example.co.jp\"<\/code><\/pre>\n\n\n\n<p>DMARC\u306e\u8a73\u7d30\u3084\u4ed5\u7d44\u307f\u306f\u3001\u4ee5\u4e0b\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u8208\u5473\u304c\u3042\u308c\u3070\u3042\u308f\u305b\u3066\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\t\t<div class=\"kh-blog-card\">\n\t\t\t\t\t\t\t<figure class=\"kh-blog-card__thumbnail\">\n\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/howtodmarc_catch.jpg\" class=\"kh-blog-card__image wp-post-image\" alt=\"DMARC\u3068\u306f?\u4ed5\u7d44\u307f\u3084\u30e1\u30ea\u30c3\u30c8\u3001\u5c0e\u5165\u65b9\u6cd5\u3092\u7d39\u4ecb\" \/>\t\t\t\t<\/figure>\n\t\t\t\t\t\t<div class=\"kh-blog-card__text\">\n\t\t\t\t<p class=\"kh-blog-card__title\"><a href=\"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/dmarc\/\">DMARC\u3068\u306f?\u4ed5\u7d44\u307f\u3084\u30e1\u30ea\u30c3\u30c8\u3001\u5c0e\u5165\u65b9\u6cd5\u3092\u7d39\u4ecb<\/a><\/p>\n\t\t\t\t<p class=\"kh-blog-card__description\">\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316\u3092\u691c\u8a0e\u3057\u3066\u3044\u308b\u4f01\u696d\u3084\u500b\u4eba\u306f\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3084\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u5bfe\u7b56\u306b\u300cDMARC\u304c\u6709\u52b9\u300d\u3068\u3044\u3046\u60c5\u5831\u306b\u305f\u3069\u308a\u7740\u304b\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u3002 \u66f4\u306bDMARC\u306fGoogle\u306e\u65b0\u3057\u3044\u30dd\u30ea\u30b7\u30fc\u306e\u5f71\u97ff\u306b\u3088\u308a\u3001\u672a\u5bfe\u5fdc\u306e\u72b6\u614b\u3067\u306fGmail\u3084Google Workspace\u5b9b\u306b\u30e1\u30fc\u30eb\u9001\u4fe1\u3057\u3066\u3082\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u305d\u3082\u305d\u3082DMARC\u3068\u306f\u4f55\u304b\u3068\u3044\u3046\u3068\u3053\u308d\u307e\u3067\u628a\u63e1&hellip;<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\n\t\t<div class=\"kh-blog-card\">\n\t\t\t\t\t\t\t<figure class=\"kh-blog-card__thumbnail\">\n\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/dmarcreport_catch.png\" class=\"kh-blog-card__image wp-post-image\" alt=\"DMARC\u30ec\u30dd\u30fc\u30c8\u3068\u306f\u3002\u8a2d\u5b9a\u3084\u6d3b\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\" \/>\t\t\t\t<\/figure>\n\t\t\t\t\t\t<div class=\"kh-blog-card__text\">\n\t\t\t\t<p class=\"kh-blog-card__title\"><a href=\"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/dmarcreport\/\">DMARC\u30ec\u30dd\u30fc\u30c8\u3068\u306f\u3002\u8a2d\u5b9a\u3084\u6d3b\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac<\/a><\/p>\n\t\t\t\t<p class=\"kh-blog-card__description\">\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u4e00\u3064\u3067\u3042\u308bDMARC\u306b\u306f\u3001\u300cDMARC\u30ec\u30dd\u30fc\u30c8\u300d\u3068\u3044\u3046\u5b89\u5b9a\u3057\u305f\u30e1\u30fc\u30eb\u904b\u7528\u3092\u884c\u3063\u3066\u3044\u304f\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u6301\u3064\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002 DMARC\u306e\u5c0e\u5165\u307e\u3067\u306f\u5b8c\u4e86\u3057\u305f\u3068\u3044\u3046\u65b9\u3084\u4f01\u696d\u306f\u591a\u304f\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u304c\u3001\u30ec\u30dd\u30fc\u30c8\u6a5f\u80fd\u306e\u6709\u52b9\u6d3b\u7528\u307e\u3067\u306f\u7740\u624b\u3067\u304d\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u30b1\u30fc\u30b9\u3082\u591a\u304f\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u4eca\u56de\u306fDMARC\u30ec\u30dd\u30fc\u30c8\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3084\u6d3b\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002 Pick Up\u8a18\u4e8b\uff01 2024\u5e74\uff1aDM&hellip;<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\n\n<h3 class=\"wp-block-heading\">\u7c21\u5358\u306b\u914d\u4fe1\u89e3\u9664\uff08\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\uff09\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/h3>\n\n\n\n<p>1\u65e55,000\u4ef6\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306b\u95a2\u9023\u3059\u308b\u30eb\u30fc\u30eb\u3067\u3059\u3002\u8a72\u5f53\u3059\u308b\u9001\u4fe1\u8005\u306f\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u7528\u306e\u30e1\u30fc\u30eb\u3092\u914d\u4fe1\u3059\u308b\u969b\u3001\u7c21\u5358\u306b\u914d\u4fe1\u89e3\u9664\uff08\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\uff09\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u306a\u304f\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u4f8b\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30e1\u30fc\u30eb\u672c\u6587\u5185\u306b\u89e3\u9664\u7528\u306e\u30ea\u30f3\u30af\u3092\u8a18\u8f09\u3059\u308b\u4f8b\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/cancellation-link.png\" alt=\"\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u89e3\u9664\u306e\u30b5\u30f3\u30d7\u30eb\u753b\u50cf\" class=\"wp-image-15171\"\/><\/figure>\n\n\n\n<p>\u7279\u5b9a\u96fb\u5b50\u30e1\u30fc\u30eb\u6cd5\u3067\u3082\u3001\u30e1\u30fc\u30eb\u672c\u6587\u306b\u914d\u4fe1\u505c\u6b62\u3067\u304d\u308b\u65e8\u3068\u305d\u306e\u65b9\u6cd5\u3092\u8a18\u8f09\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u306b\u306f\u3001\u30e1\u30fc\u30eb\u672c\u6587\u5185\u306b\u30ea\u30f3\u30af\u3092\u8a18\u8f09\u3059\u308b\u3060\u3051\u3067\u306f\u8db3\u308a\u307e\u305b\u3093\u3002\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u306e\u30d8\u30c3\u30c0\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5c02\u7528\u306e\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u767b\u9332\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>List-Unsubscribe-Post: List-Unsubscribe=One-Click\nList-Unsubscribe: <a href=\"https:\/\/unsubscribe.example.co.jp?id=sd2dw2f52s818\">https:\/\/unsubscribe.example.co.jp?id=sd2dw2f52s818<\/a><\/code><\/pre>\n\n\n\n<p>\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308bURL\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3060\u3051\u3067\u3001\u914d\u4fe1\u3092\u89e3\u9664\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30d8\u30c3\u30c0\u60c5\u5831\u304c\u6b63\u3057\u304f\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3068\u3001Gmail\u306a\u3069\u5bfe\u5fdc\u306e\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u753b\u9762\u306b\u3066\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u89e3\u9664\u3067\u304d\u308b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30ea\u30f3\u30af\u304c\u8a18\u8f09\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/cancellation.png\" alt=\"\u767b\u9332\u89e3\u9664\u30dc\u30bf\u30f3\u306e\u30b5\u30f3\u30d7\u30eb\" class=\"wp-image-15172\"\/><\/figure>\n\n\n\n<p>\u53d7\u4fe1\u8005\u306f\u4e0a\u8a18\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3001\u914d\u4fe1\u3092\u89e3\u9664\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u9001\u4fe1\u5074\u304c\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u3054\u3068\u306b\u3001\u624b\u5165\u529b\u3067\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u767b\u9332\u3059\u308b\u306e\u306f\u3082\u3061\u308d\u3093\u73fe\u5b9f\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u9001\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u3066\u30d8\u30c3\u30c0\u30fc\u60c5\u5831\u3092\u633f\u5165\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u304b\u3001\u5bfe\u5fdc\u3059\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u304aRFC8058\u306b\u3088\u308b\u3068\u3001List-Unsubscribe\u306b\u5bfe\u5fdc\u3059\u308b\u5834\u5408\u306f\u3001DKIM\u306b\u3082\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TLS\u63a5\u7d9a\u306b\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b<\/h3>\n\n\n\n<p>TLS\u3068\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002Google\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306bTLS\u63a5\u7d9a\u306b\u3066\u6697\u53f7\u5316\u3057\u306a\u304f\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>TLS\u63a5\u7d9a\u3092\u3059\u308b\u306b\u306f\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001TLS\u63a5\u7d9a\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8ff7\u60d1\u30e1\u30fc\u30eb\u7387\u30920.3%\u4ee5\u4e0b\u306b\u3059\u308b<\/h3>\n\n\n\n<p>\u3053\u306e\u5834\u5408\u306e\u8ff7\u60d1\u30e1\u30fc\u30eb\u7387\u3068\u306f\u3001\u5b9f\u969b\u306b\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u5272\u5408\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u53d7\u4fe1\u7bb1\u306b\u5c4a\u3044\u305f\u30e1\u30fc\u30eb\u306e\u3046\u3061\u3001\u30e6\u30fc\u30b6\u30fc\u81ea\u8eab\u3067\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5831\u544a\u3057\u305f\u30e1\u30fc\u30eb\u306e\u5272\u5408\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u304c\u624b\u9593\u3092\u304b\u3051\u3066\u307e\u3067\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5831\u544a\u3059\u308b\u3088\u3046\u306a\u3053\u3068\u306f\u3001\u983b\u7e41\u306b\u3042\u308b\u3068\u306f\u8003\u3048\u3089\u308c\u307e\u305b\u3093\u3002\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306e\u8a2d\u5b9a\u304c\u3057\u3066\u3042\u308c\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5831\u544a\u3059\u308b\u3053\u3068\u306f\u5c11\u306a\u3044\u3068\u60f3\u5b9a\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306e\u8a2d\u5b9a\u304c\u9069\u5207\u306a\u3089\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u7387\u304c0.3%\u3092\u8d85\u3048\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u4f4e\u3044\u3067\u3059\u3002\u305d\u306e\u307b\u304b\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u57fa\u672c\u7684\u306a\u5bfe\u7b56\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3042\u3089\u304b\u3058\u3081\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u660e\u793a\u7684\u306a\u8a31\u8afe\u3092\u5f97\u305f\u5834\u5408\u306b\u9650\u308a\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u306a\u3044<\/li>\n\n\n\n<li>\u5b9a\u671f\u7684\u306b\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30ea\u30b9\u30c8\u3092\u7cbe\u67fb\u3057\u3001\u4e0d\u9054\u3068\u306a\u3063\u3066\u3044\u308b\u5b9b\u5148\u306a\u3069\u306f\u524a\u9664\u3057\u3066\u304a\u304f<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u306e\u7f72\u540d\u306b\u9023\u7d61\u5148\u306a\u3069\u9001\u4fe1\u8005\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u8a18\u8f09\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u306a\u304a\u3001Gmail\u306e\u8ff7\u60d1\u30e1\u30fc\u30eb\u7387\u306fGoogle\u793e\u304c\u63d0\u4f9b\u3059\u308b\u300cPostmaster Tools\u300d\u306b\u3066\u78ba\u8a8d\u304c\u53ef\u80fd\u3067\u3059\u3002Postmaster Tools\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u306f\u3001\u4ee5\u4e0b\u8a18\u4e8b\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\t\t<div class=\"kh-blog-card\">\n\t\t\t\t\t\t\t<figure class=\"kh-blog-card__thumbnail\">\n\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/Postmaster-Tools_catch.jpg\" class=\"kh-blog-card__image wp-post-image\" alt=\"Postmaster Tools\u3068\u306f\uff1f\u30e1\u30ea\u30c3\u30c8\u3084\u4f7f\u3044\u65b9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\" \/>\t\t\t\t<\/figure>\n\t\t\t\t\t\t<div class=\"kh-blog-card__text\">\n\t\t\t\t<p class=\"kh-blog-card__title\"><a href=\"https:\/\/www.kagoya.jp\/howto\/it-glossary\/mail\/postmaster\/\">Postmaster Tools\u3068\u306f\uff1f\u30e1\u30ea\u30c3\u30c8\u3084\u4f7f\u3044\u65b9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/a><\/p>\n\t\t\t\t<p class=\"kh-blog-card__description\">Gmail\u306f\u65e5\u672c\u3092\u542b\u3081\u3001\u4e16\u754c\u7684\u306b\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u30e1\u30fc\u30eb\u914d\u4fe1\u8005\u306b\u3068\u3063\u3066\u3001Gmail\u5b9b\u3066\u306e\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u308b\u304b\u5426\u304b\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u554f\u984c\u3068\u3044\u3048\u307e\u3059\u3002 Gmail\u306ePostmaster Tools\u306f\u3001Gmail\u5b9b\u3066\u306e\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u6539\u5584\u3057\u305f\u3044\u3068\u304d\u306b\u6709\u52b9\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002Gmail\u5b9b\u3066\u306e\u30e1\u30fc\u30eb\u304c\u983b\u7e41\u306b\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u3055\u308c\u56f0\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001Postmaster Tools\u304c\u5f79&hellip;<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\n\n<h3 class=\"wp-block-heading\">\u9001\u4fe1\u5143\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u4f7f\u3046<\/h3>\n\n\n\n<p>\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306f\u3001\u9001\u4fe1\u5143\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u53d6\u5f15\u5148\u306a\u3069\u3078\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306f\u3001\u81ea\u793e\u306e\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u4f7f\u3063\u305f\u9001\u4fe1\u5143\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u304c\u307b\u3068\u3093\u3069\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3067Gmail\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff08@gmail.com\uff09\u306a\u3069\u3092\u9001\u4fe1\u5143\u3068\u3057\u3066\u3001\u5927\u91cf\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\u3092\u9001\u308b\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u306b\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u8a2d\u5b9a\u3082NG\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gmail\u5b9b\u30e1\u30fc\u30eb\u304cSPF\/DKIM\/DMARC\u3067\u6b63\u5e38\u306b\u8a8d\u8a3c\u3055\u308c\u305f\u304b\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>Gmail\u5b9b\u306b\u9001\u3063\u305f\u30e1\u30fc\u30eb\u304cSPF\/DKIM\/DMARC\u306b\u3066\u6b63\u5e38\u306b\u8a8d\u8a3c\u3055\u308c\u305f\u304b\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u3001\u5b9f\u969b\u306bGmail\u3078\u5c4a\u3044\u305f\u30e1\u30fc\u30eb\u306e\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u8abf\u3079\u308b\u65b9\u6cd5\u304c\u7c21\u5358\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e<a href=\"https:\/\/www.google.co.jp\/mail\/\" target=\"_blank\" rel=\"noreferrer noopener\">Gmail\u753b\u9762<\/a>\uff08PC\u7248\uff09\u3078\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u4ee5\u4e0b\u306e\u64cd\u4f5c\u3092\u3059\u308c\u3070\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u305f\u3044\u30e1\u30fc\u30eb\u3092\u958b\u304f<\/li>\n\n\n\n<li>\u753b\u9762\u53f3\u4e0a\u306e\u300c\u305d\u306e\u4ed6\uff08\u70b9\u304c3\u3064\u7e26\u306b\u4e26\u3093\u3060\u30de\u30fc\u30af\uff09\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b<\/li>\n\n\n\n<li>\u8868\u793a\u3055\u308c\u305f\u30e1\u30cb\u30e5\u30fc\u306e\u306a\u304b\u304b\u3089\u300c\u539f\u6587\u3092\u958b\u304f\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3067\u753b\u9762\u4e0a\u90e8\u306bSPF\u30fbDKIM\u30fbDMARC\u306e\u8a8d\u8a3c\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u8a8d\u8a3c\u7d50\u679c\u3068\u3057\u3066\u300cPASS\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u6b63\u5e38\u306b\u8a8d\u8a3c\u3055\u308c\u305f\u3068\u5224\u65ad\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3067\u4ee5\u4e0b\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u8868\u793a\u3055\u308c\u308b\u304b\u3001\u8a8d\u8a3c\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u5c02\u7528\u306eDNS\u30ec\u30b3\u30fc\u30c9\u304c\u306a\u3044\u304b\u6b63\u5e38\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"kh-box is-style-bg-sky-blue\"><div class=\"kh-box__content\">\n<ul class=\"wp-block-list\">\n<li>FAIL\/SOFTFAIL\uff1a\u8a8d\u8a3c\u5931\u6557<\/li>\n\n\n\n<li>None\uff1a\u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3057\u306a\u3044\u306a\u3069<\/li>\n\n\n\n<li>PermError\uff1a\u30ec\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u30df\u30b9<\/li>\n\n\n\n<li>Temperror\uff1a\u4e00\u6642\u7684\u306a\u30a8\u30e9\u30fc\u203b\u518d\u9001\u3059\u308b\u3068\u6b63\u5e38\u306b\u8a8d\u8a3c\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>Gmail\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u7121\u6599\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066DNS\u30ec\u30b3\u30fc\u30c9\u304c\u6b63\u5e38\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u300cSPF \u30c1\u30a7\u30c3\u30ab\u30fc\u300d\u306e\u3088\u3046\u306a\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u691c\u7d22\u3059\u308b\u3068\u3001\u7121\u6599\u30c4\u30fc\u30eb\u304c\u30d2\u30c3\u30c8\u3059\u308b\u306e\u3067\u4f7f\u3063\u3066\u307f\u308b\u306e\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3057\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3082\u304a\u3059\u3059\u3081\u3067\u304d\u308b<\/h2>\n\n\n\n<p>\u81ea\u793e\u3067\u306e\u5bfe\u5fdc\u304c\u96e3\u3057\u3044\u5834\u5408\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3057\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u306e\u3082\u3072\u3068\u3064\u306e\u624b\u3067\u3059\u3002\u5bfe\u5fdc\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u4e57\u308a\u63db\u3048\u308c\u3070\u3001\u5c02\u9580\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306a\u3069\u306e\u8a2d\u5b9a\u304c\u7c21\u5358\u3067\u3001\u6bd4\u8f03\u7684\u624b\u8efd\u306bGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3078\u5bfe\u5fdc\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u30ab\u30b4\u30e4\u306e\u6cd5\u4eba\u5411\u3051\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u300cKAGOYA MAIL\u300d\u3067\u3042\u308c\u3070\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308aGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"kh-box is-style-bg-sky-blue\"><div class=\"kh-box__content\">\n<ul class=\"wp-block-list\">\n<li>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c(SPF\/DKIM\/DMARC)\u306b\u5bfe\u5fdc\u203b\u30d6\u30ed\u30f3\u30ba\u30fb\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u306eDMARC\u5bfe\u5fdc\u306f\u9001\u4fe1\u6642\u306e\u307f<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306eSTARTTLS\u63a5\u7d9a\u306b\u5bfe\u5fdc\u203bGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306eTLS\u63a5\u7d9a\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>KAGOYA MAIL\u306f\u3001\u6708\u984d2,640\u5186\uff5e\u306e\u5b9a\u984d\u6599\u91d1\u3067\u30e6\u30fc\u30b6\u30fc\u6570\u7121\u5236\u9650\u306a\u3069\u3001\u305d\u306e\u4ed6\u306b\u3082\u30e1\u30ea\u30c3\u30c8\u304c\u591a\u3044\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002KAGOYA MAIL\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u516c\u5f0f\u30b5\u30a4\u30c8\u30da\u30fc\u30b8\u306b\u3066\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\t\t<div class=\"kh-blog-card is-no-image is-external\">\n\t\t\t\t\t\t<div class=\"kh-blog-card__text\">\n\t\t\t\t<p class=\"kh-blog-card__title\"><a href=\"https:\/\/www.kagoya.jp\/mail\/\" target=\"_blank\" rel=\"noopener\">KAGOYA MAIL | \u6708\u984d\u5b9a\u984d\u3067\u5229\u7528\u3067\u304d\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc<\/a><\/p>\n\t\t\t\t<p class=\"kh-blog-card__description\">\u6708\u984d2,640\u5186\u3067\u30e6\u30fc\u30b6\u30fc\u6570\u7121\u5236\u9650\u3002\u30b3\u30b9\u30d1\u3068\u6a5f\u80fd\u6027\u306b\u512a\u308c\u305f\u65b0\u3057\u3044\u56fd\u7523\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3002<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u5e74\u3005\u53b3\u3057\u304f\u306a\u3063\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3051\u308c\u3070\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u3068\u306a\u308b\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC)\u3078\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u307e\u305f\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u3092\u914d\u4fe1\u3059\u308b\u969b\u306f\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u914d\u4fe1\u89e3\u9664\u304c\u3067\u304d\u308b\u8a2d\u5b9a\u306a\u3069\u3082\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3082\u3057\u3001\u3053\u308c\u3089\u8a2d\u5b9a\u3092\u81ea\u793e\u3067\u304a\u3053\u306a\u3046\u306e\u304c\u56f0\u96e3\u306a\u5834\u5408\u306f\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u306e\u3082\u3072\u3068\u3064\u306e\u624b\u3067\u3059\u3002\u6708\u984d2,640\u5186\uff5e\u306e\u5b9a\u984d\u6599\u91d1\u3067\u30e6\u30fc\u30b6\u30fc\u6570\u7121\u5236\u9650\u306b\u3066\u5229\u7528\u53ef\u80fd\u306a\u300cKAGOYA MAIL\u300d\u306f\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002KAGOYA MAIL\u306a\u3089\u3001\u7ba1\u7406\u753b\u9762\u4e0a\u3067\u7c21\u5358\u306a\u8a2d\u5b9a\u3092\u3059\u308b\u3060\u3051\u3067DMARC\u306a\u3069\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3078\u306e\u5bfe\u5fdc\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n<div class=\"kh-cta\"><div class=\"entry-content\">\n<div class=\"kh-box has-label is-style-yellow\"><div class=\"kh-box__label\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u4e07\u5168\u306e\u5c02\u7528\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc<\/div><div class=\"kh-box__content\">\n<p>KAGOYA MAIL\u306b\u306f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc1\u53f0\u3092\u5c02\u6709\u3067\u304d\u308b\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u30d3\u30b8\u30cd\u30b9\u5229\u7528\u306b\u306f\u5fc5\u9808\u3068\u306a\u3063\u3066\u3044\u308bSPF\/DKIM\/DMARC\u306b\u3082\u5bfe\u5fdc\u3002<br>\u8a2d\u5b9a\u3082\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u304b\u3089\u7c21\u5358\u8a2d\u5b9a\u304c\u53ef\u80fd\u3068\u3001\u5c02\u9580\u77e5\u8b58\u306a\u3057\u3067\u6271\u3048\u308b\u4ed5\u69d8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br>\u3055\u3089\u306b\u6708\u984d\u5b9a\u984d\u306a\u306e\u306b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u6570\u306f\u7121\u5236\u9650\u3068\u3001\u5727\u5012\u7684\u306a\u30b3\u30b9\u30d1\u3067\u9ad8\u3044\u6cd5\u4eba\u5229\u7528\u7387\u3092\u307b\u3053\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full has-lightbox\"><a href=\"https:\/\/www.kagoya.jp\/kir\/mail\/?argument=vqHX23Xs&amp;dmai=a658cdc207597e\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1200\" height=\"629\" src=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/86471e9d3b9f5f692013ea1b2e0f9328.jpg\" alt=\"\" class=\"wp-image-14176\" srcset=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/86471e9d3b9f5f692013ea1b2e0f9328.jpg 1200w, https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/86471e9d3b9f5f692013ea1b2e0f9328-300x157.jpg 300w, https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/86471e9d3b9f5f692013ea1b2e0f9328-1024x537.jpg 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"Google\u793e\u306fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u3068Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u81ea\u793e\u306b\u5c02\u7528\u306e\u6280\u8853\u8005\u304c\u3044\u306a\u3044\u306a\u3069\u306e\u7406\u7531\u3067\u3001\u300c\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u304b\u300d\u304c\u308f\u304b\u3089\u306a\u3044\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\u4f55\u304b\u3084\u6982\u8981\u3068\u3044\u3063\u305f\u57fa\u672c\u7684\u306a\u5185\u5bb9\u304b [&hellip;]","protected":false},"author":2,"featured_media":14300,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[281],"tags":[72,304,319],"pickup":[],"sitedisplay":[],"sitetarget":[],"class_list":["post-14296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communication","tag-72","tag-304","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\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac - \u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4<\/title>\n<meta name=\"description\" content=\"Google\u793e\u306fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u3068Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u81ea\u793e\u306b\u5c02\u7528\u306e\u6280\u8853\u8005\u304c\u3044\" \/>\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.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac - \u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4\" \/>\n<meta property=\"og:description\" content=\"Google\u793e\u306fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u3068Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u81ea\u793e\u306b\u5c02\u7528\u306e\u6280\u8853\u8005\u304c\u3044\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/\" \/>\n<meta property=\"og:site_name\" content=\"\u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-05T23:54:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-05T23:54:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/gmail-guideline_catch.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"\u5c0f\u6cc9 \u5065\u592a\u90ce\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5c0f\u6cc9 \u5065\u592a\u90ce\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/\"},\"author\":{\"name\":\"\u5c0f\u6cc9 \u5065\u592a\u90ce\",\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/#\\\/schema\\\/person\\\/e661c486ab94adebe8f93776e17118a1\"},\"headline\":\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\",\"datePublished\":\"2026-04-05T23:54:19+00:00\",\"dateModified\":\"2026-04-05T23:54:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/\"},\"wordCount\":241,\"image\":{\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/wp-content\\\/uploads\\\/gmail-guideline_catch.png\",\"keywords\":[\"\u30e1\u30fc\u30eb\",\"\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\",\"Gmail\"],\"articleSection\":[\"\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/\",\"url\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/\",\"name\":\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac - \u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/wp-content\\\/uploads\\\/gmail-guideline_catch.png\",\"datePublished\":\"2026-04-05T23:54:19+00:00\",\"dateModified\":\"2026-04-05T23:54:21+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/#\\\/schema\\\/person\\\/e661c486ab94adebe8f93776e17118a1\"},\"description\":\"Google\u793e\u306fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u3068Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u81ea\u793e\u306b\u5c02\u7528\u306e\u6280\u8853\u8005\u304c\u3044\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/wp-content\\\/uploads\\\/gmail-guideline_catch.png\",\"contentUrl\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/wp-content\\\/uploads\\\/gmail-guideline_catch.png\",\"width\":1200,\"height\":630,\"caption\":\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u89e3\u8aac\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/engineer\\\/communication\\\/gmail-guideline\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u30db\u30fc\u30e0\",\"item\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/#website\",\"url\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/\",\"name\":\"\u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4\",\"description\":\"\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u904b\u55b6\u4f1a\u793e\u304c\u304a\u5c4a\u3051\u3059\u308b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30e1\u30c7\u30a3\u30a2\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/#\\\/schema\\\/person\\\/e661c486ab94adebe8f93776e17118a1\",\"name\":\"\u5c0f\u6cc9 \u5065\u592a\u90ce\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0bb553c4770f428a669e719f55576929d9ee30e1215eda65dbadc52d8fad0ff1?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0bb553c4770f428a669e719f55576929d9ee30e1215eda65dbadc52d8fad0ff1?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0bb553c4770f428a669e719f55576929d9ee30e1215eda65dbadc52d8fad0ff1?s=96&d=mm&r=g\",\"caption\":\"\u5c0f\u6cc9 \u5065\u592a\u90ce\"},\"description\":\"\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u542b\u3080\u6cd5\u4eba\u5411\u3051IT\u30b5\u30fc\u30d3\u30b9\u306e\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u30fb\u30ea\u30fc\u30c0\u30fc\u3084 \u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u309210\u5e74\u4ee5\u4e0a\u306b\u6e21\u3063\u3066\u7d4c\u9a13\u5f8c\u3001\u73fe\u5728\u306f\u30d5\u30ea\u30fc\u306e\u30e9\u30a4\u30bf\u30fc\u3068\u3057\u3066\u6d3b\u52d5\u4e2d\u3002 \u81ea\u8eab\u3067\u3082\u8da3\u5473\u3084\u4ed5\u4e8b\u306710\u500b\u4ee5\u4e0a\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u7d4c\u9a13\u304c\u3042\u308b\u3002\",\"url\":\"https:\\\/\\\/www.kagoya.jp\\\/howto\\\/author\\\/writer_1\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac - \u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4","description":"Google\u793e\u306fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u3068Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u81ea\u793e\u306b\u5c02\u7528\u306e\u6280\u8853\u8005\u304c\u3044","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/","og_locale":"ja_JP","og_type":"article","og_title":"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac - \u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4","og_description":"Google\u793e\u306fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u3068Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u81ea\u793e\u306b\u5c02\u7528\u306e\u6280\u8853\u8005\u304c\u3044","og_url":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/","og_site_name":"\u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4","article_published_time":"2026-04-05T23:54:19+00:00","article_modified_time":"2026-04-05T23:54:21+00:00","og_image":[{"width":1200,"height":630,"url":"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/gmail-guideline_catch.png","type":"image\/png"}],"author":"\u5c0f\u6cc9 \u5065\u592a\u90ce","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u5c0f\u6cc9 \u5065\u592a\u90ce","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"1\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/#article","isPartOf":{"@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/"},"author":{"name":"\u5c0f\u6cc9 \u5065\u592a\u90ce","@id":"https:\/\/www.kagoya.jp\/howto\/#\/schema\/person\/e661c486ab94adebe8f93776e17118a1"},"headline":"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac","datePublished":"2026-04-05T23:54:19+00:00","dateModified":"2026-04-05T23:54:21+00:00","mainEntityOfPage":{"@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/"},"wordCount":241,"image":{"@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/#primaryimage"},"thumbnailUrl":"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/gmail-guideline_catch.png","keywords":["\u30e1\u30fc\u30eb","\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c","Gmail"],"articleSection":["\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/","url":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/","name":"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac - \u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4","isPartOf":{"@id":"https:\/\/www.kagoya.jp\/howto\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/#primaryimage"},"image":{"@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/#primaryimage"},"thumbnailUrl":"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/gmail-guideline_catch.png","datePublished":"2026-04-05T23:54:19+00:00","dateModified":"2026-04-05T23:54:21+00:00","author":{"@id":"https:\/\/www.kagoya.jp\/howto\/#\/schema\/person\/e661c486ab94adebe8f93776e17118a1"},"description":"Google\u793e\u306fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u5236\u9650\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u3068Gmail\u5b9b\u30e1\u30fc\u30eb\u304c\u4e0d\u9054\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u81ea\u793e\u306b\u5c02\u7528\u306e\u6280\u8853\u8005\u304c\u3044","breadcrumb":{"@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/#primaryimage","url":"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/gmail-guideline_catch.png","contentUrl":"https:\/\/www.kagoya.jp\/howto\/wp-content\/uploads\/gmail-guideline_catch.png","width":1200,"height":630,"caption":"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u89e3\u8aac"},{"@type":"BreadcrumbList","@id":"https:\/\/www.kagoya.jp\/howto\/engineer\/communication\/gmail-guideline\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u30db\u30fc\u30e0","item":"https:\/\/www.kagoya.jp\/howto\/"},{"@type":"ListItem","position":2,"name":"Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u65b9\u6cd5\u3068\u306f\uff1f\u5236\u9650\u306e\u6982\u8981\u304b\u3089\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"}]},{"@type":"WebSite","@id":"https:\/\/www.kagoya.jp\/howto\/#website","url":"https:\/\/www.kagoya.jp\/howto\/","name":"\u30ab\u30b4\u30e4\u306e\u30b5\u30fc\u30d0\u30fc\u7814\u7a76\u5ba4","description":"\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u904b\u55b6\u4f1a\u793e\u304c\u304a\u5c4a\u3051\u3059\u308b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30e1\u30c7\u30a3\u30a2","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.kagoya.jp\/howto\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.kagoya.jp\/howto\/#\/schema\/person\/e661c486ab94adebe8f93776e17118a1","name":"\u5c0f\u6cc9 \u5065\u592a\u90ce","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/0bb553c4770f428a669e719f55576929d9ee30e1215eda65dbadc52d8fad0ff1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0bb553c4770f428a669e719f55576929d9ee30e1215eda65dbadc52d8fad0ff1?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/0bb553c4770f428a669e719f55576929d9ee30e1215eda65dbadc52d8fad0ff1?s=96&d=mm&r=g","caption":"\u5c0f\u6cc9 \u5065\u592a\u90ce"},"description":"\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u542b\u3080\u6cd5\u4eba\u5411\u3051IT\u30b5\u30fc\u30d3\u30b9\u306e\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u30fb\u30ea\u30fc\u30c0\u30fc\u3084 \u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u309210\u5e74\u4ee5\u4e0a\u306b\u6e21\u3063\u3066\u7d4c\u9a13\u5f8c\u3001\u73fe\u5728\u306f\u30d5\u30ea\u30fc\u306e\u30e9\u30a4\u30bf\u30fc\u3068\u3057\u3066\u6d3b\u52d5\u4e2d\u3002 \u81ea\u8eab\u3067\u3082\u8da3\u5473\u3084\u4ed5\u4e8b\u306710\u500b\u4ee5\u4e0a\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u7d4c\u9a13\u304c\u3042\u308b\u3002","url":"https:\/\/www.kagoya.jp\/howto\/author\/writer_1\/"}]}},"views":388,"_links":{"self":[{"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/posts\/14296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/comments?post=14296"}],"version-history":[{"count":0,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/posts\/14296\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/media\/14300"}],"wp:attachment":[{"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/media?parent=14296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/categories?post=14296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/tags?post=14296"},{"taxonomy":"pickup","embeddable":true,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/pickup?post=14296"},{"taxonomy":"sitedisplay","embeddable":true,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/sitedisplay?post=14296"},{"taxonomy":"sitetarget","embeddable":true,"href":"https:\/\/www.kagoya.jp\/howto\/wp-json\/wp\/v2\/sitetarget?post=14296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}