{"id":11605,"date":"2019-08-09T03:45:51","date_gmt":"2019-08-09T10:45:51","guid":{"rendered":"http:\/\/blog.benchmarkemail.wpengine.com\/?p=532"},"modified":"2023-04-06T04:17:51","modified_gmt":"2023-04-06T04:17:51","slug":"gmail_security_tls_and_dmarc","status":"publish","type":"post","link":"https:\/\/www.benchmarkemail.com\/jp\/blog\/gmail_security_tls_and_dmarc\/","title":{"rendered":"\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u3068\u306f\uff1fGmail\u306e\u6697\u53f7\u5316\u8a2d\u5b9a\u306b\u3088\u308a\u30e1\u30fc\u30eb\u306b\u5bfe\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u610f\u8b58\u304c\u5411\u4e0a\u3002"},"content":{"rendered":"<p>\u7686\u3055\u3093\u306f\u3001\u30e1\u30fc\u30eb\u3092\u6697\u53f7\u5316\u3057\u3066\u9001\u53d7\u4fe1\u3092\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/p>\n<p>\u6628\u4eca\u306e\u30cb\u30e5\u30fc\u30b9\u3067\u3001\u4f01\u696d\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u30cf\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u500b\u4eba\u60c5\u5831\u304c\u6d41\u51fa\u3059\u308b\u3068\u3044\u3046\u8a71\u3092\u8033\u306b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u304c\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3070\u304b\u308a\u306b\u3001\u7b2c\u4e09\u8005\u304b\u3089\u30cf\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3001\u30e1\u30fc\u30eb\u3092\u9001\u3063\u3066\u3044\u308b\u5074\u3060\u3051\u3067\u306a\u304f\u3001\u4ed6\u306e\u4eba\u305f\u3061\u306b\u3082\u8ff7\u60d1\u3092\u304b\u3051\u3066\u3057\u307e\u3046\u5371\u967a\u304c\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u4eca\u56de\u306f\u3001\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u3092\u63a8\u5968\u3057\u3066\u3044\u308bGmail\u306e\u6a5f\u80fd\u3092\u4f8b\u306b\u6319\u3052\u306a\u304c\u3089\u3001\u300c\u305d\u3082\u305d\u3082\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u3068\u306f\u300d\u300c\u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u306e\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u306e\u72b6\u6cc1\u300d\u300c\u8a2d\u5b9a\u65b9\u6cd5\u300d\u300c\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050DMARC\u306b\u3064\u3044\u3066\u300d\u306a\u3069\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u3068\u306f\u3001\u672c\u6587\u3084\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3080\u30e1\u30fc\u30eb\u3067\u306e\u3084\u308a\u3068\u308a\u306e\u5185\u5bb9\u3092\u7b2c\u4e09\u8005\u306b\u76d7\u307f\u898b\u3089\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u306f\u591a\u304f\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066\u3084\u308a\u3068\u308a\u304c\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u306e\u9014\u4e2d\u3067\u60c5\u5831\u3092\u76d7\u307e\u308c\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u6697\u53f7\u5316\u304c\u3067\u304d\u3066\u3044\u308c\u3070\u3001\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306b\u5185\u5bb9\u304c\u81ea\u52d5\u7684\u306b\u6697\u53f7\u5316\u3055\u308c\u3001\u76d7\u307f\u898b\u3084\u6539\u3056\u3093\u306a\u3069\u3092\u9632\u3050\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\/gmail_security_tls_and_dmarc\/#Gmail%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%AE%E7%A2%BA%E8%AA%8D%E6%96%B9%E6%B3%95\" >Gmail\u306b\u304a\u3051\u308b\u6697\u53f7\u5316\u306e\u78ba\u8a8d\u65b9\u6cd5<\/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\/gmail_security_tls_and_dmarc\/#%E3%82%B0%E3%83%AD%E3%83%BC%E3%83%90%E3%83%AB%E3%81%A7%E3%81%AE%E3%83%A1%E3%83%BC%E3%83%AB%E6%9A%97%E5%8F%B7%E5%8C%96%E7%8A%B6%E6%B3%81\" >\u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u306e\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u72b6\u6cc1<\/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\/gmail_security_tls_and_dmarc\/#%E3%83%A1%E3%83%BC%E3%83%AB%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%AE%E5%BF%85%E8%A6%81%E6%80%A7%E3%81%A8%E3%83%AA%E3%82%B9%E3%82%AF\" >\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u306e\u5fc5\u8981\u6027\u3068\u30ea\u30b9\u30af<\/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\/gmail_security_tls_and_dmarc\/#%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%AE%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%AE%E4%BB%95%E7%B5%84%E3%81%BF%E3%81%A8%E8%A8%AD%E5%AE%9A%E6%96%B9%E6%B3%95\" >\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u306e\u4ed5\u7d44\u307f\u3068\u8a2d\u5b9a\u65b9\u6cd5<\/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\/gmail_security_tls_and_dmarc\/#Bench%EF%BD%8Dark_Email%E3%81%A7%E9%80%81%E3%82%89%E3%82%8C%E3%82%8B%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%AF%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B\" >Bench\uff4dark Email\u3067\u9001\u3089\u308c\u308b\u30e1\u30fc\u30eb\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/gmail_security_tls_and_dmarc\/#%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%AE%E3%82%BB%E3%82%AD%E3%83%A5%E3%83%AA%E3%83%86%E3%82%A3%E3%83%BC%E3%81%AB%E3%81%AFDMARC%E3%82%82%E9%87%8D%E8%A6%81\" >\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u306b\u306fDMARC\u3082\u91cd\u8981<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"2\"><span class=\"ez-toc-section\" id=\"Gmail%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%AE%E7%A2%BA%E8%AA%8D%E6%96%B9%E6%B3%95\"><\/span>Gmail\u306b\u304a\u3051\u308b\u6697\u53f7\u5316\u306e\u78ba\u8a8d\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gmail\u3067\u306f\u3001\u300c\u30e1\u30fc\u30eb\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u300d\u306e\u78ba\u8a8d\u304c\u7c21\u5358\u306b\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h3>\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306b\u300c\uff1f\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3059\u3050\u306b\u5206\u304b\u308b<\/h3>\n<div id=\"attachment_534\" class=\"wp-caption alignnone\" style=\"width: 710px\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-534\" src=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2020\/06\/\u753b\u50cf2\u67a0\u3042\u308a.png\" alt=\"\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306b\u300c\uff1f\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3059\u3050\u306b\u5206\u304b\u308b\" width=\"700\" height=\"350\" aria-describedby=\"caption-attachment-534\" \/><\/p>\n<p id=\"caption-attachment-534\" class=\"wp-caption-text\">\u51fa\u5178\u5143\uff1a<a class=\"external\" href=\"https:\/\/googlewww.blogspot.jp\/2016\/02\/building-safer-web-for-everyone.html\" target=\"\u201d_blank\u201d\" rel=\"noopener noreferrer nofollow\">Official Google Blog: Building a safer web, for everyone<\/a><\/p>\n<\/div>\n<p>Google\u306f\u30012016\u5e742\u67089\u65e5\u306b\u300c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u304c\u3072\u3068\u76ee\u3067\u308f\u304b\u308b\u300d\u65b0\u305f\u306a\u6a5f\u80fd\u3092Gmail\u306b\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u65b0\u6a5f\u80fd\u3067\u306f\u3001Gmail\u3092\u5229\u7528\u3057\u305f\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306b\u304a\u3044\u3066\u3001SSL\/TLS\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3068\u306e\u30e1\u30fc\u30eb\u306e\u3084\u308a\u53d6\u308a\u3092\u884c\u3063\u305f\u5834\u5408\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u540d\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u5199\u771f\u306b\u300c\uff1f\u300d\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u3092\u5b8c\u74a7\u306b\u6697\u53f7\u5316\u3059\u308b\u306b\u306f\u3001<strong>\u9001\u4fe1\u5074\u3068\u53d7\u4fe1\u5074\u306e\u4e21\u65b9\u304c\u6697\u53f7\u5316\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b<\/strong>\u305f\u3081\u3001\u3053\u306e\u6a5f\u80fd\u306e\u8ffd\u52a0\u306b\u3088\u308a\u3001Gmail\u3092\u4f7f\u3063\u3066\u3044\u308b\u4eba\u304c\u76f8\u624b\u306e\u30e1\u30fc\u30eb\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\uff08\u76d7\u307f\u898b\u3089\u308c\u308b\u5371\u967a\u6027\u3092\u6301\u3063\u3066\u3044\u308b\uff09\u3053\u3068\u3092\u7c21\u5358\u306b\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>Benchmark Email\u3067\u914d\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u306f\u6697\u53f7\u5316\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306bTSL (Transport Layer Security) \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/ui.benchmarkemail.com\/jp\/register\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-36721 size-full\" src=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2023\/01\/trial_banner1.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\" srcset=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2023\/01\/trial_banner1.png 900w, https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2023\/01\/trial_banner1-300x113.png 300w, https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2023\/01\/trial_banner1-768x290.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><\/p>\n<h3>\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u9001\u4fe1\u3059\u308b\u969b\u306b\u3082\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b<\/h3>\n<div id=\"attachment_535\" class=\"wp-caption alignnone\" style=\"width: 660px\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-535\" src=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2020\/06\/\u753b\u50cf2-1.gif\" alt=\"\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u9001\u4fe1\u3059\u308b\u969b\u306b\u3082\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b\" width=\"650\" height=\"591\" aria-describedby=\"caption-attachment-535\" \/><\/p>\n<p id=\"caption-attachment-535\" class=\"wp-caption-text\">\u51fa\u5178\u5143\uff1aOfficial Google Blog: Building a safer web, for everyone<\/p>\n<\/div>\n<p>\u30e1\u30fc\u30eb\u3067\u306f\u53d7\u4fe1\u3059\u308b\u3060\u3051\u3067\u306f\u306a\u304f\u300c\u8fd4\u4fe1\u300d\u3092\u3057\u307e\u3059\u3088\u306d\u3002\u8fd4\u4fe1\u306e\u969b\u306b\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u3059\u308b\u306e\u304b\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u3059\u308b\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>Gmail\u3067\u306f\u30e1\u30fc\u30eb\u53d7\u4fe1\u6642\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306b\u3082\u9001\u308a\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044<\/strong>\u5834\u5408\u306b\u300c\u8d64\u3044\u9375\u304c\u5916\u308c\u3066\u3044\u308b\u30de\u30fc\u30af\u300d\u304c\u8868\u793a\u3055\u308c\u3001\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u5b9f\u969b\u306bGmail\u3067\u78ba\u8a8d\u3092\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306b\u306f\u300c\u8d64\u3044\u9375\u30de\u30fc\u30af\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-533\" src=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2020\/06\/\u753b\u50cf3w.png\" alt=\"\" width=\"700\" height=\"310\" \/><\/p>\n<h2 id=\"3\"><span class=\"ez-toc-section\" id=\"%E3%82%B0%E3%83%AD%E3%83%BC%E3%83%90%E3%83%AB%E3%81%A7%E3%81%AE%E3%83%A1%E3%83%BC%E3%83%AB%E6%9A%97%E5%8F%B7%E5%8C%96%E7%8A%B6%E6%B3%81\"><\/span>\u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u306e\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u72b6\u6cc1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"attachment_40630\" class=\"wp-caption aligncenter\" style=\"width: 1155px\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-40630 size-full\" src=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2020\/06\/\u30c8\u3099\u30e1\u30a4\u30f3.png\" alt=\"\" width=\"1145\" height=\"561\" aria-describedby=\"caption-attachment-40630\" \/><\/p>\n<p id=\"caption-attachment-40630\" class=\"wp-caption-text\">\u51fa\u5178\u5143\uff1a<a class=\"external\" href=\"https:\/\/transparencyreport.google.com\/safer-email\/overview?region=142&amp;search=bmsend.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Google\u900f\u660e\u6027\u30ec\u30dd\u30fc\u30c8:\u9001\u4fe1\u4e2d\u306e\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316<\/a><\/p>\n<\/div>\n<p>\u3068\u3053\u308d\u3067\u3001\u73fe\u72b6\u4e16\u754c\u306b\u304a\u3051\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u6697\u53f7\u5316\u306f\u3069\u306e\u304f\u3089\u3044\u9032\u3093\u3067\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u304b\uff1f<\/p>\n<p>\u4e0a\u8a18\u306fGoogle\u304c\u516c\u958b\u3057\u305f\u30ec\u30dd\u30fc\u30c8\u306e\u4e00\u90e8\u3067\u3001\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u4ee3\u8868\u7684\u306a\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3002\u5de6\u306fGmail\u304c\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u6642\u306b\u9001\u4fe1\u5143\u3068\u306a\u3063\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u3067\u3001\u53f3\u5074\u304cGmail\u3092\u5229\u7528\u3057\u3066\u9001\u4fe1\u3059\u308b\u6642\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3002<\/p>\n<p>docomo\u3084softbank\u306a\u3069\u306e\u4e3b\u8981\u30ad\u30e3\u30ea\u30a2\u30e1\u30fc\u30eb\u30c9\u30e1\u30a4\u30f3\u3084\u666e\u6bb5\u3088\u304f\u6d3b\u5229\u7528\u3057\u3066\u3044\u308byahoo.co.jp\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u6697\u53f7\u5316\u304c\u8ed2\u4e26\u307f0%\u3060\u3068\u3044\u3046\u3053\u3068\u306b\u9a5a\u304d\u3067\u3059\u3002<\/p>\n<p>\u305d\u3082\u305d\u3082\u30e1\u30fc\u30eb\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u3001<strong>\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u901a\u3058\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u3044\u306a\u3044<\/strong>\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u60aa\u610f\u3042\u308b\u7b2c\u4e09\u8005\u306b\u3088\u3063\u3066\u30e1\u30fc\u30eb\u304c\u76d7\u307f\u898b\u3089\u308c\u305f\u3068\u304d\u306b\u3001\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u308f\u304b\u3063\u3066\uff08\u8aad\u3081\u3066\uff09\u3057\u307e\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u5916\u90e8\u3078\u6d41\u51fa\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u304c\u3067\u304d\u3066\u3044\u308c\u3070\u3001\u60aa\u610f\u3042\u308b\u7b2c\u4e09\u8005\u304c\u76d7\u307f\u898b\u305f\u3068\u3057\u3066\u3082\u3001\u305d\u306e\u5185\u5bb9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u96e3\u3057\u304f\u3001\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u5916\u90e8\u3078\u6d41\u51fa\u3059\u308b\u5371\u967a\u6027\u3082\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4f01\u696d\u3067\u3042\u3063\u3066\u3082\u3001\u500b\u4eba\u3067\u3042\u3063\u3066\u3082\u3001\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u7b2c3\u8005\u306b\u8997\u304d\u898b\u3089\u308c\u3066\u3057\u307e\u3046\u72b6\u6cc1\u306f\u597d\u307e\u3057\u3044\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Google\u3082\u300c<a class=\"external\" href=\"https:\/\/www.google.com\/transparencyreport\/saferemail\/tls\/?hl=ja\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\u6697\u53f7\u5316\u306e\u4ed5\u7d44\u307f \u2013 \u3088\u308a\u5b89\u5168\u306a\u30e1\u30fc\u30eb \u2013 \u900f\u660e\u6027\u30ec\u30dd\u30fc\u30c8 \u2013 Google<\/a>\u300d\u3068\u3044\u3046\u5c02\u7528\u30da\u30fc\u30b8\u3092\u516c\u958b\u3057\u3066\u3001\u6697\u53f7\u5316\u306e\u666e\u53ca\u3092\u547c\u3073\u304b\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b<strong>Gmail\u304b\u3089\u9001\u4fe1\u3059\u308b\u30e1\u30fc\u30eb<\/strong>\u306e\u591a\u304f\u304c\u6697\u53f7\u5316\u901a\u4fe1\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001Gmail\u306b\u3088\u3063\u3066\u81ea\u52d5\u7684\u306b\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"4\"><span class=\"ez-toc-section\" id=\"%E3%83%A1%E3%83%BC%E3%83%AB%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%AE%E5%BF%85%E8%A6%81%E6%80%A7%E3%81%A8%E3%83%AA%E3%82%B9%E3%82%AF\"><\/span>\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u306e\u5fc5\u8981\u6027\u3068\u30ea\u30b9\u30af<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Benchmark Email US\u306e\u30d6\u30ed\u30b0\u300c<a href=\"https:\/\/ui.benchmarkemail.wpengine.com\/login?redir=https:\/\/ui.benchmarkemail.wpengine.com\/blog\/gmail-introduced-an-additional-security-feature-to-warn-users-about-unencrypted-emails%3fblogid%3dgmail-introduced-an-additional-security-feature-to-warn-users-about-unencrypted-emails\" target=\"_blank\" rel=\"noopener noreferrer\">Gmail Introduced an Additional Security Feature to Warn Users about Unencrypted Emails<\/a>\u300d\u306b\u3088\u308c\u30702014\u5e74\u306b\u306fGmail\u3068\u4ed6\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u4ecb\u3057\u305f\u30e1\u30fc\u30eb\u306e40~50%\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u30de\u30ac\u30b8\u30f3\u3084\u30cb\u30e5\u30fc\u30b9\u30ec\u30bf\u30fc\u3067\u3042\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u304a\u5ba2\u69d8\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308b\u308f\u3051\u3067\u3059\u304b\u3089\u3001\u305d\u306e\u30e1\u30fc\u30eb\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u304a\u3089\u305a\u300c\u76d7\u307f\u898b\u3055\u308c\u3066\u3044\u305f\uff01\u300d\u300c\u30cf\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u3044\u305f\uff01\u300d\u300c\u30a6\u30a3\u30eb\u30b9\u3092\u4ed5\u8fbc\u307e\u308c\u3066\u3044\u305f\uff01\u300d\u306a\u3069\u3068\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u306f\u5927\u554f\u984c\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u304a\u5ba2\u69d8\u304c\u4f01\u696d\u304b\u3089\u306e\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u3092\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u304d\u306b\u3001\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3059\u308b\u300c\u8b66\u544a\u300d\u304c\u8868\u793a\u3055\u308c\u305f\u306e\u3067\u306f\u3001\u4f01\u696d\u3078\u306e\u4fe1\u983c\u304c\u63fa\u3089\u3044\u3067\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h2 id=\"5\"><span class=\"ez-toc-section\" id=\"%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%AE%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%AE%E4%BB%95%E7%B5%84%E3%81%BF%E3%81%A8%E8%A8%AD%E5%AE%9A%E6%96%B9%E6%B3%95\"><\/span>\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u306e\u4ed5\u7d44\u307f\u3068\u8a2d\u5b9a\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30e1\u30fc\u30eb\u3092\u6697\u53f7\u5316\u3059\u308b\u306b\u306f\u3001\u30e1\u30fc\u30eb\u30db\u30b9\u30c8\u540d\u306e\u8a3c\u660e\u66f8\u3092\u5229\u7528\u3059\u308b<strong>\u300cTLS\/SSL\u306b\u3088\u308b\u6697\u53f7\u5316\u300d<\/strong>\u3068\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3054\u3068\u306e\u8a3c\u660e\u66f8\u3092\u5229\u7528\u3059\u308b<strong>\u300cPGP\u3001S\/MIME\u306b\u3088\u308b\u6697\u53f7\u5316\u300d<\/strong>\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7c21\u5358\u306b\u8aac\u660e\u3092\u3059\u308b\u3068<strong>\u300cTLS\/SSL\u306b\u3088\u308b\u6697\u53f7\u5316\u300d<\/strong>\u306fWEB\u30b5\u30a4\u30c8\u3092\u6697\u53f7\u5316\u3059\u308b\u306e\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3067\u6697\u53f7\u5316\u3092\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>Gmail \u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 TLS \u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u9069\u5207\u306b\u6697\u53f7\u5316\u3059\u308b\u305f\u3081\u306b\u306f\u9001\u4fe1\u8005\u3068\u53d7\u4fe1\u8005\u4e21\u65b9\u304cTLS\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u4fdd\u8b77\u3055\u308c\u305f\u63a5\u7d9a\u3092\u901a\u3058\u3066\u306e\u307f\u9001\u53d7\u4fe1\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306f\u3001TLS \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u5fc5\u9808\u306b\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u30fb\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u53c2\u7167\u30ea\u30f3\u30af\uff1a<a class=\"external\" href=\"https:\/\/support.google.com\/a\/answer\/2520500?hl=ja\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u6642\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u4fdd\u8b77\u3055\u308c\u305f\uff08TLS\uff09\u63a5\u7d9a\u3092\u5fc5\u9808\u306b\u3059\u308b<\/a><\/p>\n<p><strong>\u300cPGP\u3001S\/MIME\u306b\u3088\u308b\u6697\u53f7\u5316\u300d<\/strong>\u306f\u3001\u4e8b\u524d\u306b\u5165\u624b\u3057\u305f\u53d7\u4fe1\u8005\u306e\u516c\u958b\u9375\u3092\u3082\u3068\u306b\u3001\u6697\u53f7\u5316\u3057\u305f\u5171\u901a\u9375\u3068\u6697\u53f7\u5316\u3057\u305f\u30e1\u30fc\u30eb\u3092\u96fb\u5b50\u7f72\u540d\u3068\u3068\u3082\u306b\u9001\u4fe1\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>Gmail\u3067S\/MIME \u306b\u3088\u308b\u6697\u53f7\u5316\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306f<a class=\"external\" href=\"https:\/\/support.google.com\/mail\/answer\/7023606\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\u3053\u3061\u3089<\/a>\u3092\u3001Outlook\u3067\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u306f<a class=\"external\" href=\"https:\/\/support.office.com\/ja-jp\/article\/%E3%83%A1%E3%83%BC%E3%83%AB-%E3%83%A1%E3%83%83%E3%82%BB%E3%83%BC%E3%82%B8%E3%82%92%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%97%E3%81%BE%E3%81%99%E3%80%82-373339cb-bf1a-4509-b296-802a39d801dc\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\u3053\u3061\u3089<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 id=\"6\"><span class=\"ez-toc-section\" id=\"Bench%EF%BD%8Dark_Email%E3%81%A7%E9%80%81%E3%82%89%E3%82%8C%E3%82%8B%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%AF%E6%9A%97%E5%8F%B7%E5%8C%96%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B\"><\/span>Bench\uff4dark Email\u3067\u9001\u3089\u308c\u308b\u30e1\u30fc\u30eb\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Benchmark Email\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u30de\u30ac\u30b8\u30f3\u3092\u9001\u4fe1\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u6697\u53f7\u5316\u306f\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u306e\u304b\uff1f\u3068\u601d\u308f\u308c\u308b\u65b9\u3082\u3044\u3089\u3063\u3057\u3083\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305aBenchmark Email\u306f\u5168\u3066TLS\u306b\u3088\u308b\u6697\u53f7\u5316\u304c\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u65b0\u305f\u306b\u4f55\u304b\u3092\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3054\u5b89\u5fc3\u304f\u3060\u3055\u3044\u3002<\/p>\n<div id=\"attachment_37880\" class=\"wp-caption alignnone\" style=\"width: 1150px\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-37880 size-full\" src=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2020\/06\/\u900f\u660e\u6027\u30ec\u30db\u309a\u30fc\u30c81.png\" alt=\"Benchmark Email\u7d4c\u7531\u3067\u30e1\u30fc\u30eb\u3092\u9001\u53d7\u4fe1\u3057\u305f\u5834\u5408\u306e\u6697\u53f7\u5316\u5272\u5408\u306e\u8868\" width=\"1140\" height=\"174\" aria-describedby=\"caption-attachment-37880\" \/><\/p>\n<p id=\"caption-attachment-37880\" class=\"wp-caption-text\">\u51fa\u5178\u5143\uff1a<a class=\"external\" href=\"https:\/\/www.google.com\/transparencyreport\/saferemail\/#region=142&amp;search=bmsend.com\" target=\"\u201d_blank\u201d\" rel=\"noopener noreferrer nofollow\">Google\u900f\u660e\u6027\u30ec\u30dd\u30fc\u30c8:\u9001\u4fe1\u4e2d\u306e\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316<\/a><\/p>\n<\/div>\n<p>\u4e0a\u8a18Google\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30da\u30fc\u30b8\u3067\u3082Benchmark Email\u3092\u7d4c\u7531\u3057\u305f\u30e1\u30fc\u30eb\uff08\u30e1\u30eb\u30de\u30ac\uff09\u3092Gmail\u3067\u53d7\u4fe1\u3057\u305f\u5834\u5408\u3001\u30e1\u30fc\u30eb\u304c100%\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u4ed6\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u3054\u5229\u7528\u306e\u65b9\u306f\u3001<a class=\"external\" href=\"https:\/\/www.google.com\/transparencyreport\/saferemail\/#region=142&amp;search=bmsend.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Google\u900f\u660e\u6027\u30ec\u30dd\u30fc\u30c8<\/a>\u5185\u3001\u300c\u30c7\u30fc\u30bf\u3092\u63a2\u3059\u300d\u3068\u3044\u3046\u30dc\u30c3\u30af\u30b9\u306b\u3066\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u3092\u5165\u529b\u3057\u78ba\u8a8d\u3044\u305f\u3060\u304f\u304b\u3001\u5404\u904b\u55b6\u4f1a\u793e\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306bGoogle\u304c\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u3084\u8a8d\u8a3c\u57fa\u6e96\u3092\u9ad8\u3081\u305f\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306b\u5bfe\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u306e\u91cd\u8981\u6027\u306f\u4eca\u5f8c\u307e\u3059\u307e\u3059\u898b\u76f4\u3055\u308c\u3066\u3044\u304f\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<h2 id=\"7\"><span class=\"ez-toc-section\" id=\"%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%AE%E3%82%BB%E3%82%AD%E3%83%A5%E3%83%AA%E3%83%86%E3%82%A3%E3%83%BC%E3%81%AB%E3%81%AFDMARC%E3%82%82%E9%87%8D%E8%A6%81\"><\/span>\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u306b\u306fDMARC\u3082\u91cd\u8981<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u304c\u91cd\u8981\u306a\u306e\u3068\u540c\u6642\u306b\u3001\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u3053\u3068\u3082\u5927\u5207\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kb.benchmarkemail.com\/jp\/what-is-dmarc-and-how-is-it-affecting-me\">DMARC<\/a>\u306f\u3001\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306b\u304a\u3051\u308b\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306a\u3069\u306e\u88ab\u5bb3\u3092\u9632\u3050\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/p>\n<p>Gmail\u306f2016\u5e746\u6708\u3088\u308a\u3001\u3053\u306eDMARC\u306b\u3088\u308b\u30e1\u30fc\u30eb\u8a8d\u8a3c\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u5909\u66f4\u306b\u3088\u308a\u3001Gmail\uff08\u3007\u3007@gmail.com\uff09\u3092\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9(From\u30a2\u30c9\u30ec\u30b9)\u3068\u3057\u3066\u30e1\u30fc\u30eb\u914d\u4fe1\u30b9\u30bf\u30f3\u30c9\u3084Gmail\u4ee5\u5916\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u308b\u5834\u5408\u3001\u30e1\u30fc\u30eb\u304c\u4e00\u5207\u5c4a\u304b\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u306a\u3069\u3067\u30e1\u30fc\u30eb\u914d\u4fe1\u30b9\u30bf\u30f3\u30c9\u3092\u6d3b\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001<strong>\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\uff08gmail.com\uff09\u3068\u9001\u4fe1\u306b\u4f7f\u308f\u308c\u308b\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\uff08\u914d\u4fe1\u30b9\u30bf\u30f3\u30c9\uff09\u304c\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3067\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u7591\u3044\u300d\u304c\u3042\u308b\u3068\u3055\u308c\u3001\u305d\u3046\u3044\u3063\u305f\u30e1\u30fc\u30eb\u306f\u3059\u3079\u3066\u30d6\u30ed\u30c3\u30af<\/strong>\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u306e\u8a8d\u8a3c\u30c1\u30a7\u30c3\u30af\u6280\u8853\u3092DMARC\u3068\u547c\u3073\u3001\u3059\u3067\u306bYahoo\u3084AOL\u3067\u3082\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\uff08Benchmark Email\u3067\u306fGmail\u3001Yahoo\u3001AOL\u3092\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\u3068Benchmark Eamil\u306e\u60c5\u5831\u3092\u5408\u308f\u305b\u3066\u8a18\u8f09\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u3092\u5229\u7528\u3057\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u3082\u53ef\u80fd\u306b\u3057\u3066\u3044\u307e\u3059\u3002\uff09<\/p>\n<p>CRM\u5927\u624b\u306eSalesforce\u3067\u3082<a class=\"external\" href=\"https:\/\/help.salesforce.com\/articleView?id=Salesforce-Outbound-Emails-Impacted-by-Google-DMARC-Policy-Adoption&amp;language=ja&amp;type=1\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Salesforce \u9001\u4fe1\u30e1\u30fc\u30eb\u3078\u306e\u5f71\u97ff\u306b\u3064\u3044\u3066<\/a>\u3092\u304a\u77e5\u3089\u305b\u3057\u3066\u3044\u308b\u307b\u304b\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b9\u30bf\u30f3\u30c9\u3092\u7d4c\u7531\u3057\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u306bGmail\u30a2\u30c9\u30ec\u30b9\u3092\u6d3b\u7528\u3055\u308c\u3066\u3044\u308b\u65b9\u306b\u306f\u3068\u3066\u3082\u91cd\u8981\u306a\u554f\u984c\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3057\u304b\u3057\u88cf\u3092\u8fd4\u305b\u3070\u3001\u305d\u308c\u3060\u3051\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u3092\u5f37\u5316\u3057\u88ab\u5bb3\u3092\u53d7\u3051\u308b\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u3053\u3068\u306e\u65b9\u304c\u91cd\u8981\u3060\u3068\u3044\u3046\u8a8d\u8b58\u304c\u9ad8\u307e\u3063\u3066\u304d\u3066\u3044\u308b\u3053\u3068\u304c\u4f3a\u3048\u307e\u3059\u3002<\/p>\n<p>\u95a2\u9023\u30d6\u30ed\u30b0\uff1a<a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/what-is-spf-dkim-and-mark\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u3053\u308c\u3067\u3070\u3063\u3061\u308a\u3001\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u4e09\u9283\u58eb \uff5e\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u4e0a\u3052\u308bSPF\u3001DKIM\u3001DMARC\uff5e<\/a><\/p>\n<p>\u6697\u53f7\u5316\u3084\u306a\u308a\u3059\u307e\u3057\u306e\u5bfe\u7b56\u3092\u307e\u3060\u3057\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u65b9\u306f\u305c\u3072\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u3044\u305f\u3060\u304d\u3001\u3088\u308a\u4e00\u5c64\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u884c\u306a\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>\u305d\u306e\u4ed6Gmail\u306b\u95a2\u3059\u308b\u8a18\u4e8b<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/updated-gmail-promotions-tab\/\" target=\"_blank\" rel=\"noopener noreferrer\">Gmail\u306e\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30bf\u30d6\u306b\u30e1\u30fc\u30eb\u304c\u5165\u3063\u3066\u3057\u307e\u3046\uff01\u30e1\u30eb\u30de\u30ac\u3092\u898b\u3066\u3082\u3089\u3046\u305f\u3081\u306b\u77e5\u3063\u3066\u304a\u304f\u3079\u304d6\u3064\u306e\u60c5\u5831<\/a><\/li>\n<li><a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/gmailupdate\/\">Gmail\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8 \u65b0\u6a5f\u80fd\u3068\u5229\u7528\u72b6\u6cc1\u306e\u307e\u3068\u3081<\/a><\/li>\n<li><a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/blogs_gmail_starts_supprt_for_responsive_emails\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b9\u30de\u30db\u3067\u306e\u8aad\u307f\u3084\u3059\u3055\u304c\u6539\u5584\uff01Gmail\u304c\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30e1\u30fc\u30eb\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u958b\u59cb\uff01<\/a><\/li>\n<li><a class=\"external\" href=\"https:\/\/homepage-reborn.com\/2016\/05\/17\/%E3%83%A1%E3%83%AB%E3%83%9E%E3%82%AC%E3%81%8Cgimal%E3%81%A7%E8%BF%B7%E6%83%91%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%AB%E6%8C%AF%E3%82%8A%E5%88%86%E3%81%91%E3%82%89%E3%82%8C%E3%81%AA%E3%81%84%E3%81%9F\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\u30e1\u30eb\u30de\u30ac\u304cGmail\u3067\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u306a\u3044\u305f\u3081\u306b\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u57fa\u6e96\u3092\u5b66\u307c\u3046<\/a>\uff08\u5916\u90e8\u30d6\u30ed\u30b0\uff09<\/li>\n<\/ul>\n<p>*\u672c\u8a18\u4e8b\u306f\u30012016\u5e746\u6708\u306b\u516c\u958b\u3057\u305f\u8a18\u4e8b\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u60c5\u5831\u3092\u8ffd\u8a18\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u95a2\u9023\u8a18\u4e8b<br \/>\n<a href=\"https:\/\/www.benchmarkemail.com\/jp\/blog\/newslettersurvey2022\/\" target=\"_blank\" rel=\"noopener\">\u30e1\u30eb\u30de\u30ac\u8cfc\u8aad\u72b6\u6cc1\u8abf\u67fb2002\u5e74\u5ea6\u7248<\/a><\/p>\n<p><a href=\"https:\/\/ui.benchmarkemail.com\/jp\/register\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-36721 size-full\" src=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2023\/01\/trial_banner1.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\" srcset=\"https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2023\/01\/trial_banner1.png 900w, https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2023\/01\/trial_banner1-300x113.png 300w, https:\/\/www.benchmarkemail.com\/jp\/wp-content\/uploads\/sites\/10\/2023\/01\/trial_banner1-768x290.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7686\u3055\u3093\u306f\u3001\u30e1\u30fc\u30eb\u3092\u6697\u53f7\u5316\u3057\u3066\u9001\u53d7\u4fe1\u3092\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f \u6628\u4eca\u306e\u30cb\u30e5\u30fc\u30b9\u3067\u3001\u4f01\u696d\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u30cf\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u500b\u4eba\u60c5\u5831\u304c\u6d41\u51fa\u3059\u308b\u3068\u3044\u3046\u8a71\u3092\u8033\u306b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u304c\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3070\u304b\u308a\u306b\u3001\u7b2c\u4e09\u8005\u304b\u3089\u30cf\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3001\u30e1\u30fc\u30eb\u3092\u9001\u3063\u3066\u3044\u308b\u5074\u3060\u3051\u3067\u306a\u304f\u3001\u4ed6\u306e\u4eba\u305f\u3061\u306b\u3082\u8ff7\u60d1\u3092\u304b\u3051\u3066\u3057\u307e\u3046\u5371\u967a\u304c\u3042\u308b\u306e\u3067\u3059\u3002 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Gmail\u306b\u304a\u3051\u308b\u6697\u53f7\u5316\u306e\u78ba\u8a8d\u65b9\u6cd5 Gmail\u3067\u306f\u3001\u300c\u30e1\u30fc\u30eb\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u300d\u306e\u78ba\u8a8d\u304c\u7c21\u5358\u306b\u53ef\u80fd\u3067\u3059\u3002 \u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306b\u300c\uff1f\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3059\u3050\u306b\u5206\u304b\u308b \u51fa\u5178\u5143\uff1aOfficial Google Blog: Building a safer web, for everyone Google\u306f\u30012016\u5e742\u67089\u65e5\u306b\u300c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u304c\u3072\u3068\u76ee\u3067\u308f\u304b\u308b\u300d\u65b0\u305f\u306a\u6a5f\u80fd\u3092Gmail\u306b\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002 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\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u9001\u4fe1\u3059\u308b\u969b\u306b\u3082\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b \u51fa\u5178\u5143\uff1aOfficial Google Blog: Building a safer web, for everyone \u30e1\u30fc\u30eb\u3067\u306f\u53d7\u4fe1\u3059\u308b\u3060\u3051\u3067\u306f\u306a\u304f\u300c\u8fd4\u4fe1\u300d\u3092\u3057\u307e\u3059\u3088\u306d\u3002\u8fd4\u4fe1\u306e\u969b\u306b\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u3059\u308b\u306e\u304b\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u3059\u308b\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u5fc5\u8981\u3067\u3059\u3002 Gmail\u3067\u306f\u30e1\u30fc\u30eb\u53d7\u4fe1\u6642\u3060\u3051\u3067\u306a\u304f\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306b\u3082\u9001\u308a\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u300c\u8d64\u3044\u9375\u304c\u5916\u308c\u3066\u3044\u308b\u30de\u30fc\u30af\u300d\u304c\u8868\u793a\u3055\u308c\u3001\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u5b9f\u969b\u306bGmail\u3067\u78ba\u8a8d\u3092\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306b\u306f\u300c\u8d64\u3044\u9375\u30de\u30fc\u30af\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002 \u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u306e\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u72b6\u6cc1 \u51fa\u5178\u5143\uff1aGoogle\u900f\u660e\u6027\u30ec\u30dd\u30fc\u30c8:\u9001\u4fe1\u4e2d\u306e\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316 \u3068\u3053\u308d\u3067\u3001\u73fe\u72b6\u4e16\u754c\u306b\u304a\u3051\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u6697\u53f7\u5316\u306f\u3069\u306e\u304f\u3089\u3044\u9032\u3093\u3067\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u304b\uff1f \u4e0a\u8a18\u306fGoogle\u304c\u516c\u958b\u3057\u305f\u30ec\u30dd\u30fc\u30c8\u306e\u4e00\u90e8\u3067\u3001\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u4ee3\u8868\u7684\u306a\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3002\u5de6\u306fGmail\u304c\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u6642\u306b\u9001\u4fe1\u5143\u3068\u306a\u3063\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u3067\u3001\u53f3\u5074\u304cGmail\u3092\u5229\u7528\u3057\u3066\u9001\u4fe1\u3059\u308b\u6642\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3002 docomo\u3084softbank\u306a\u3069\u306e\u4e3b\u8981\u30ad\u30e3\u30ea\u30a2\u30e1\u30fc\u30eb\u30c9\u30e1\u30a4\u30f3\u3084\u666e\u6bb5\u3088\u304f\u6d3b\u5229\u7528\u3057\u3066\u3044\u308byahoo.co.jp\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u6697\u53f7\u5316\u304c\u8ed2\u4e26\u307f0%\u3060\u3068\u3044\u3046\u3053\u3068\u306b\u9a5a\u304d\u3067\u3059\u3002 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