{"id":18216,"date":"2025-04-24T09:37:46","date_gmt":"2025-04-24T00:37:46","guid":{"rendered":"https:\/\/www.synergy-marketing.co.jp\/blog\/?p=18216"},"modified":"2025-07-09T10:04:04","modified_gmt":"2025-07-09T01:04:04","slug":"outlook_maildelivery","status":"publish","type":"post","link":"https:\/\/www.synergy-marketing.co.jp\/blog\/outlook_maildelivery","title":{"rendered":"\u3010\u5fc5\u898b\uff01\u30e1\u30fc\u30eb\u914d\u4fe1\u62c5\u5f53\u8005\u5411\u3051\u3011Hotmail\u5b9b\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\uff1fOutlook\u306e\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e\u65b0\u3057\u3044\u8981\u4ef6\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18227\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_mainvisual.png\" alt=\"\u3010\u5fc5\u898b\uff01\u30e1\u30fc\u30eb\u914d\u4fe1\u62c5\u5f53\u8005\u5411\u3051\u3011Hotmail\u5b9b\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\uff1fOutlook\u306e\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e\u65b0\u3057\u3044\u8981\u4ef6\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_mainvisual.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_mainvisual-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>Microsoft\u306e\u300c<a href=\"https:\/\/techcommunity.microsoft.com\/blog\/microsoftdefenderforoffice365blog\/strengthening-email-ecosystem-outlook%E2%80%99s-new-requirements-for-high%E2%80%90volume-senders\/4399730\" target=\"_blank\" rel=\"noopener\">Outlook\u306e\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e\u65b0\u3057\u3044\u8981\u4ef6<\/a>\u300d\u304c\u30012025\u5e744\u6708\u306b\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002Outlook\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b<strong>1\u65e5\u3042\u305f\u308a5,000\u4ef6\u3092\u8d85\u3048\u308b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306f\u3001<\/strong>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306b<strong>SPF\u30ec\u30b3\u30fc\u30c9\u30fbDKIM\u7f72\u540d\u30fbDMARC\u30e1\u30fc\u30eb\u8a8d\u8a3c\u306e\u8a2d\u5b9a\u304c\u5fc5\u9808<\/strong>\u3068\u306a\u308a\u3001\u305d\u306e\u8a2d\u5b9a\u3092\u884c\u308f\u306a\u3044\u5834\u5408\u306f\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u3057\u3066\u5224\u65ad\u3055\u308c\u3001\u6700\u7d42\u7684\u306b\u306f\u9001\u4fe1\u5148\u306b\u5c4a\u304b\u306a\u3044\u53ef\u80fd\u6027\u304c\u751f\u3058\u308b\u3001\u3068\u3044\u3046\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u5bfe\u7b56\u3092\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u304b<\/li>\n<li>\u5bfe\u5fdc\u3057\u306a\u3044\u5834\u5408\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u304c\u3042\u308b\u306e\u304b<\/li>\n<li>Gmail\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u7b56\u306f\u3057\u305f\u304c\u3001Outlook\u3067\u306f\u3069\u3093\u306a\u5bfe\u7b56\u304c\u5fc5\u8981\u306a\u306e\u304b<\/li>\n<\/ul>\n<p>\u3053\u306e\u3042\u305f\u308a\u3001\u6c17\u306b\u306a\u3063\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u3054\u62c5\u5f53\u8005\u69d8\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u6280\u8853\u306b\u8a73\u3057\u304f\u306a\u3044\u65b9\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p><span class=\"font-sm\">\u203b\u5404\u793e\u306e\u300c\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d\u306f\u7d99\u7d9a\u7684\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3061\u3089\u306e\u30d6\u30ed\u30b0\u306e\u5185\u5bb9\u304b\u3089\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u305d\u306e\u70b9\u306f\u4f55\u5352\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<div class=\"inner-cta\">\n<div class=\"inner-cta-content\">\n<div class=\"inner-cta-content-img\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/wp\/wp-content\/uploads\/thumb_mailmarketing_beginner_set.png\" alt=\"\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306b\u6e96\u62e0\u3057\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b \u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u5165\u9580\u66f8\uff083\u90e8\u4f5c\uff09 \" width=\"200\" height=\"150\"><\/p>\n<\/div>\n<div class=\"inner-cta-content-text\">\n<h4><span class=\"font-sm\">\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306b\u6e96\u62e0\u3057\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b<\/span><br \/>\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u5165\u9580\u66f8\uff083\u90e8\u4f5c\uff09<\/h4>\n<p>\uff082025\u5e744\u670820\u65e5\u6642\u70b9\u306e\uff09\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u95a2\u3059\u308b\u6cd5\u5f8b\u30fb\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u30fb\u6280\u8853\u8981\u4ef6\u3092\u4f53\u7cfb\u7684\u306b\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"inner-cta-content-btn\"><a id=\"ct-blog-innnercta-01\" class=\"btn btn-red btn-block\" href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_10\/index.do?code=mailmarketing_beginner_set\" target=\"_blank\" rel=\"noopener\">\u8cc7\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u3053\u3061\u3089<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2>1\uff0e\u4eca\u5ea6\u306fOutlook\u3067\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\uff1f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18218\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image01.png\" alt=\"1\uff0e\u4eca\u5ea6\u306fOutlook\u3067\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\uff1f\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image01.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image01-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>Gmail\u306e\u300c\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d\u66f4\u65b0\u304c\u8a18\u61b6\u306b\u65b0\u3057\u3044\u3067\u3059\u304c\u3001Microsoft\u304c\u63d0\u4f9b\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9Outlook.com\u306a\u3069\u3067\u3082\u540c\u69d8\u306b\u3001\u30e1\u30fc\u30eb\u5927\u91cf\u9001\u4fe1\u306b\u95a2\u3057\u3066\u306e\u5bfe\u7b56\u5f37\u5316\u304c\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n<p><strong>Microsoft\u306e\u300cOffice 365 \u5411\u3051 Microsoft Defender \u30d6\u30ed\u30b0\u300d\u3088\u308a<\/strong>\uff08\u516c\u958b\u65e5\uff1a2025\u5e744\u67083\u65e5\uff09<\/p>\n<blockquote>\n<p>For domains sending over 5,000 emails per day, Outlook will soon require compliance with SPF, DKIM, DMARC. Non\u2010compliant messages will first be routed to Junk. If issues remain unresolved, they may eventually be rejected. Senders will soon start requiring compliance with the following requirements:<\/p>\n<p>\uff08\u7ffb\u8a33\uff09<br \/>\n1\u65e5\u3042\u305f\u308a5,000\u901a\u3092\u8d85\u3048\u308b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u5834\u5408\u3001Outlook\u3067\u306f\u307e\u3082\u306a\u304fSPF\u3001DKIM\u3001DMARC\u3078\u306e\u6e96\u62e0\u304c\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002\u6e96\u62e0\u3057\u3066\u3044\u306a\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u307e\u305a\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u307e\u3059\u3002\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u6700\u7d42\u7684\u306b\u306f\u62d2\u5426\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9001\u4fe1\u8005\u306f\u307e\u3082\u306a\u304f\u4ee5\u4e0b\u306e\u8981\u4ef6\u3078\u306e\u6e96\u62e0\u3092\u5fc5\u9808\u3068\u3057\u307e\u3059\u3002<\/p>\n<\/blockquote>\n<p>\u5f15\u7528\uff1a<a href=\"https:\/\/techcommunity.microsoft.com\/blog\/microsoftdefenderforoffice365blog\/strengthening-email-ecosystem-outlook%E2%80%99s-new-requirements-for-high%E2%80%90volume-senders\/4399730\" target=\"_blank\" rel=\"noopener\">Strengthening Email Ecosystem: Outlook\u2019s New Requirements for High\u2010Volume Senders<\/a>\uff08\u30e1\u30fc\u30eb\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u5f37\u5316\uff1a\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e Outlook \u306e\u65b0\u3057\u3044\u8981\u4ef6\uff09<\/p>\n<p>\u4e0a\u8a18\u3067\u306f\u300c1\u65e5\u306b5,000 \u901a\u3092\u8d85\u3048\u308b\u30e1\u30fc\u30eb\u300d\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001<strong>1\u65e55,000\u4ef6\u672a\u6e80\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u3078\u306e\u5bfe\u5fdc\u304c\u63a8\u5968<\/strong>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u3078\u306e\u5bfe\u5fdc\u3092\u3057\u306a\u3044\u5834\u5408\u306e\u5f71\u97ff<\/h3>\n<p>\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u306b\u5bfe\u5fdc\u3057\u306a\u3044\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u5f71\u97ff\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u308b<\/li>\n<li>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u304c\u62d2\u5426\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u308b<\/li>\n<li>\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b<\/li>\n<\/ul>\n<p>\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u306b\u5bfe\u5fdc\u3057\u306a\u3044\u3068\u3001<strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u5230\u9054\u7387\u304c\u4e0b\u304c\u308a\u307e\u3059\u3002<\/strong>\u3053\u308c\u306f\u3001<strong>\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u5b9f\u65bd\u3057\u3066\u3044\u308b\u4f01\u696d\u306b\u3068\u3063\u3066\u5927\u304d\u306a\u5f71\u97ff<\/strong>\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u306b\u306a\u3089\u306a\u3044\u305f\u3081\u306b\u3001\u5bfe\u7b56\u304c\u5fc5\u8981\u3067\u3059\u3002\u6b21\u306b\u3001Outlook\u306e\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u306b\u3064\u3044\u3066\u3001\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<div class=\"box\">\n<div class=\"row\">\n<div class=\"col-md-3 col-sm-4 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/gmail_guidelines_2024\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/440_eyecatch.png\" alt=\"Gmail\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044\uff1fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5909\u66f4\u5185\u5bb9\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac\" \/><\/a><\/div>\n<div class=\"col-md-9 col-sm-8 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/gmail_guidelines_2024\" target=\"_blank\" rel=\"noopener\"><strong>Gmail\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044\uff1fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5909\u66f4\u5185\u5bb9\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<h2>2\uff0eOutlook\u3078\u306e\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u3068\u306f\uff1f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18219\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image02.png\" alt=\"2\uff0eOutlook\u3078\u306e\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u3068\u306f\uff1f\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image02.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image02-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h3>\u5bfe\u8c61\u306eOutlook\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/h3>\n<p>\u307e\u305a\u3001\u5bfe\u8c61\u306e\u7bc4\u56f2\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u4eca\u56de\u306e\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u306e\u5bfe\u8c61\u3068\u306a\u308bOutlook\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f<\/strong><\/p>\n<ul>\n<li>\u672b\u5c3e\u304c \uff20hotmail.com \u307e\u305f\u306f @live.com \u304a\u3088\u3073 \uff20outlook.com \u306e\u500b\u4eba\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u203b\u660e\u8a18\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c Outlook.com \u3092\u69cb\u6210\u3059\u308b \uff20outlook.jp \u3067\u3082\u540c\u69d8\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u306f\u4eca\u56de\u306e\u8981\u4ef6\u306e\u5bfe\u8c61\u5916\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u8077\u5834\u307e\u305f\u306f\u5b66\u6821\u3067\u5c0e\u5165\u3057\u3066\u3044\u308b Outlook.com \u306e\u30a2\u30ab\u30a6\u30f3\u30c8\uff08\u672b\u5c3e\u304c\uff20outlook.com\u3067\u306f\u306a\u3044\uff09<\/li>\n<\/ul>\n<h3>\u5fc5\u8981\u306a\u5bfe\u5fdc\uff08\u5fc5\u9808\uff09<\/h3>\n<p>\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u8a8d\u8a3c\u8981\u4ef6\u3067\u306f\u3001<strong>\u300cSender ID\uff0fSPF\u300d\u300cDKIM\u300d\u300cDMARC\u300d\u8a2d\u5b9a\u304c\u5fc5\u9808<\/strong>\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u308c\u305e\u308c\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u300cSender ID\uff0fSPF\u300d<\/strong><br \/>\nSender ID\uff0fSPF\uff08Sender Policy Framework\u306e\u7565\uff09\u3068\u306f\u3001<strong>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3092\u5143\u306b\u3001\u9001\u4fe1\u8005\u60c5\u5831\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u6b63\u898f\u306e\u3082\u306e\u3067\u3042\u308b\u304b\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u65b9\u5f0f\u306e\u300c\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u300d<\/strong>\u3067\u3059\u3002\u3010\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3011\u3068\u3001\u5dee\u51fa\u4eba\u30a2\u30c9\u30ec\u30b9\u306e\u30c9\u30e1\u30a4\u30f3\uff08@\u30de\u30fc\u30af\u4ee5\u964d\u306e\u90e8\u5206\uff09\u306e\u3010DNS\uff08Domain Name System\u306e\u7565\uff09\u30b5\u30fc\u30d0\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u3011\u3092\u7167\u5408\u3057\u3001\u30e1\u30fc\u30eb\u304c\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u3082\u306e\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n<p>\u25bcSender ID\uff0fSPF\u306e\u4ed5\u7d44\u307f<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18220\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image03.png\" alt=\"Sender ID\uff0fSPF\u306e\u4ed5\u7d44\u307f\u306e\u56f3\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image03.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image03-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><span class=\"font-sm\">\uff08\u88dc\u8db3\uff09<\/span><br \/>\n<span class=\"font-sm\">\u8a55\u4fa1\u5bfe\u8c61\u306eDNS\u306e\u9055\u3044\u306b\u3088\u3063\u3066\u547c\u79f0\u304c\u3042\u308a\u3001\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7From\uff08Envelope-From\uff1a\u914d\u4fe1\u30a8\u30e9\u30fc\u767a\u751f\u6642\u306e\u901a\u77e5\u5148\uff09\u30c9\u30e1\u30a4\u30f3\u3067\u8a55\u4fa1\u3059\u308b\u4ed5\u7d44\u307f\u3092SPF\u3001\u30d8\u30c3\u30c0\u30fcFrom\uff08Header-From\uff1a\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u3067\u5dee\u51fa\u4eba\u3068\u3057\u3066\u8868\u793a\uff09\u30c9\u30e1\u30a4\u30f3\u3067\u8a55\u4fa1\u3059\u308b\u4ed5\u7d44\u307f\u3092Sender ID\u3068\u547c\u3073\u307e\u3059\u3002\u3044\u305a\u308c\u3082DNS\u4e0a\u306bSPF\u3068\u3057\u3066\u767b\u9332\u3055\u308c\u305f\u5185\u5bb9\u3067\u8a55\u4fa1\u3059\u308b\u305f\u3081\u3001Sender ID\uff0fSPF\u3068\u7e4b\u3052\u3066\u8a18\u8f09\u3059\u308b\u3053\u3068\u3084\u3001\u307e\u3068\u3081\u3066SPF\u3068\u547c\u3070\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/span><br \/>\n<span class=\"font-sm\">\u203bSender ID\u3067\u306fSPF2.0\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3068\u3044\u3063\u305f\u76f8\u9055\u70b9\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u7701\u7565\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><strong>\u300cDKIM\u300d<\/strong><br \/>\nDKIM\uff08DomainKeys Identified Mail\uff0f\u30c7\u30a3\u30fc\u30ad\u30e0\u306e\u7565\uff09\u3068\u306f\u3001<strong>\u53d7\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u300c\u6b63\u5f53\u306a\u9001\u4fe1\u8005\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u300d\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u300c\u96fb\u5b50\u7f72\u540d\u65b9\u5f0f\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u300d<\/strong>\u3067\u3059\u3002<br \/>\nDKIM\u306f\u3001\u3010\u9001\u4fe1\u8005\u5074\u304c\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306bDKIM\u7f72\u540d\u3092\u884c\u3044\u3011\u3001\u3010\u53d7\u4fe1\u8005\u5074\u304c\u305d\u306eDKIM\u7f72\u540d\u5185\u5bb9\u3092\u691c\u8a3c\u3059\u308b\uff08\u516c\u958b\u9375\u3067\u7167\u5408\u3092\u884c\u3046\uff09\u3011\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\uff08\u30c9\u30e1\u30a4\u30f3\uff09\u3068\u30e1\u30fc\u30eb\u672c\u6587\u306e\u6b63\u5f53\u6027\uff08\u9014\u4e2d\u7d4c\u8def\u3067\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\uff09\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u25bcDKIM\u306e\u4ed5\u7d44\u307f<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18221\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image04.png\" alt=\"DKIM\u306e\u4ed5\u7d44\u307f\u306e\u56f3\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image04.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image04-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><span class=\"font-sm\">\uff08\u88dc\u8db3\uff09<\/span><br \/>\n<span class=\"font-sm\">\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7From\uff08Envelope-From\uff1a\u914d\u4fe1\u30a8\u30e9\u30fc\u767a\u751f\u6642\u306e\u901a\u77e5\u5148\uff09\u30c9\u30e1\u30a4\u30f3\u3068\u3057\u3066DKIM\u7f72\u540d\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3092\u300c\u7b2c\u4e09\u8005\u7f72\u540d\u300d\u3068\u547c\u3073\u307e\u3059\u3002\u30d8\u30c3\u30c0\u30fcFrom\uff08Header-From\uff1a\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u3067\u5dee\u51fa\u4eba\u3068\u3057\u3066\u8868\u793a\uff09\u30c9\u30e1\u30a4\u30f3\u3067DKIM\u7f72\u540d\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3092\u300c\u4f5c\u6210\u8005\u7f72\u540d\u300d\u3068\u547c\u3073\u3001\u300c\u4f5c\u6210\u8005\u7f72\u540d\u300d\u306e\u65b9\u304c\u4fe1\u983c\u5ea6\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><strong>\u300cDMARC\u300d<\/strong><br \/>\nDMARC\uff08Domain-based Message Authentication, Reporting, and Conformance\uff0f\u30c7\u30a3\u30fc\u30de\u30fc\u30af\u306e\u7565\uff09\u3068\u306f\u3001<strong>SPF\u3068DKIM\u306e\u4e21\u65b9\u3092\u5229\u7528\u3057\u305f\u300c\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u300d<\/strong>\u3067\u3059\u3002<br \/>\nDMARC\u306f\u3001SPF\u3068DKIM\u306e\u8a8d\u8a3c\u7d50\u679c\u3092\u57fa\u306b\u3001\u8a8d\u8a3cNG\u6642\u306e\u51e6\u7406\u3092\u3069\u306e\u3088\u3046\u306b\u3059\u308b\u304b\u300cDMARC\u30dd\u30ea\u30b7\u30fc\u300d\u3068\u3057\u3066\u300c\u4f55\u3082\u3057\u306a\u3044\uff0f\u9694\u96e2\u3059\u308b\uff0f\u62d2\u5426\u3059\u308b\u300d\u306e\u3044\u305a\u308c\u304b\u3092\u5b9a\u7fa9\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u3067\u304d\u3001\u300cDMARC\u30dd\u30ea\u30b7\u30fc\u300d\u3092\u53c2\u7167\u3057\u3066\u53d7\u4fe1\u30e1\u30fc\u30eb\u3092\u6271\u3046\u3053\u3068\u306b\u3088\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u25bcDMARC\u306e\u4ed5\u7d44\u307f<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18222\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image05.png\" alt=\"DMARC\u306e\u4ed5\u7d44\u307f\u306e\u56f3\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image05.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image05-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><span class=\"font-sm\">\uff08\u88dc\u8db3\uff09<\/span><br \/>\n<span class=\"font-sm\">DMARC\u3067\u306f\u3001SPF\u3068DKIM\u53cc\u65b9\u306e\u8a8d\u8a3c\u7d50\u679c\u3092\u8a55\u4fa1\u3057\u3001\u7b2c\u4e09\u8005\u306b\u3088\u308b\u306a\u308a\u3059\u307e\u3057\u306e\u691c\u51fa\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u5b89\u5168\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u3088\u3063\u3066DMARC\u304cNG\u5224\u5b9a\u306e\u5834\u5408\u3084\u3001\u5927\u91cf\u914d\u4fe1\u306a\u306e\u306bDMARC\u8a2d\u5b9a\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308b\u305f\u3081\u3001<strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u6a5f\u80fd\u3092\u6301\u3064\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u300cDKIM\u4f5c\u6210\u8005\u7f72\u540d\u300d\u3068\u300cDMARC\u300d\u306e\u5bfe\u5fdc\u3092\u63a8\u5968<\/strong>\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><span class=\"font-sm\">DMARC\u3067\u306e\u4f5c\u6210\u8005\u7f72\u540d\u306e\u8981\u5426\u306b\u3064\u3044\u3066\u306f\u3001\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7From\u3068\u30d8\u30c3\u30c0\u30fcFrom\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u7570\u306a\u308a\u307e\u3059\u3002<strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u6a5f\u80fd\u3092\u6301\u3064\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3066\u914d\u4fe1\u3059\u308b\u5834\u5408\u306f\u3001SPF\u3092\u8a2d\u5b9a\u3057\u305f\u3046\u3048\u3067DKIM\u4f5c\u6210\u8005\u7f72\u540d\u304c\u5fc5\u8981\u306a\u30b1\u30fc\u30b9\u304c\u591a\u304f\u306a\u308a\u307e\u3059\u3002<\/strong><\/span><br \/>\n<span class=\"font-sm\">Gmail\u306e\u8981\u4ef6\u3068\u540c\u3058\u304f\u3001DMARC\u5358\u4f53\u3067\u306f\u3001\u300cDKIM\u306a\u3057\u300d\u304b\u3064\u300cSPF\u3042\u308a\uff08\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7 From \u4e00\u81f4\uff09\u300d\u306e\u5834\u5408\u306f\u30c1\u30a7\u30c3\u30afOK\u306a\u306e\u3067\u3059\u304c\u3001DKIM\u304a\u3088\u3073DMARC\u304c\u5fc5\u9808\u3068\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u4ee5\u4e0b\u306e\u300eOK\u300f\u3068\u306a\u308b\u30e1\u30fc\u30eb\u8a8d\u8a3c\u306e\u69cb\u6210\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p>\u25bc\u300c\u9001\u4fe1\u30e1\u30fc\u30eb\u3092\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u300d\u306e\u5b9a\u7fa9<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18223\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image06.png\" alt=\"\u300c\u9001\u4fe1\u30e1\u30fc\u30eb\u3092\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u300d\u306e\u5b9a\u7fa9\u306e\u56f3\" width=\"750\" height=\"228\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image06.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image06-230x70.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001Gmail\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u7b56\u3067\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u3053\u3061\u3089\u3092\u3054\u53c2\u8003\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"box\">\n<div class=\"row\">\n<div class=\"col-md-3 col-sm-4 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/gmail_guidelines_2024\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/440_eyecatch.png\" alt=\"Gmail\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044\uff1fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5909\u66f4\u5185\u5bb9\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac\" \/><\/a><\/div>\n<div class=\"col-md-9 col-sm-8 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/gmail_guidelines_2024\" target=\"_blank\" rel=\"noopener\"><strong>Gmail\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044\uff1fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5909\u66f4\u5185\u5bb9\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<h3>\u5fc5\u8981\u306a\u5bfe\u5fdc\uff08\u63a8\u5968\uff09<\/h3>\n<p>\u65b0\u3057\u3044\u8981\u4ef6\u3067\u306f\u3001\u5fc5\u9808\u306e\u5bfe\u5fdc\u306e\u4ed6\u306b\u3082\u3001\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u5bfe\u5fdc\u304c\u3042\u308a\u307e\u3059\u3002\u4e8b\u524d\u306b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304a\u304f\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u6e96\u62e0\u3057\u305f P2 (\u30d7\u30e9\u30a4\u30de\u30ea) \u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9<\/strong><br \/>\n\u300c\u5dee\u51fa\u4eba\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff08From\uff09\u300d\u307e\u305f\u306f\u300c\u8fd4\u4fe1\u5148\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff08Reply-To\uff09\u300d\u306f\u3001\u5b9f\u969b\u306b\u53d7\u4fe1\u304c\u53ef\u80fd\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308b\u3053\u3068\u3002<\/p>\n<p><strong>\u6a5f\u80fd\u7684\u306a\u767b\u9332\u89e3\u9664\u30ea\u30f3\u30af<\/strong><br \/>\n\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u8005\u304c\u3001\u30e1\u30fc\u30eb\u306e\u89e3\u9664\u3092\u7c21\u5358\u304b\u3064\u308f\u304b\u308a\u3084\u3059\u304f\u3067\u304d\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3002<\/p>\n<p><strong>\u914d\u4fe1\u30ea\u30b9\u30c8\u3068\u30d0\u30a6\u30f3\u30b9\u7ba1\u7406<\/strong><br \/>\n\u7121\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u5b9a\u671f\u7684\u306b\u524a\u9664\u3057\u3001\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306a\u3069\u4e0d\u8981\u306a\u30e1\u30fc\u30eb\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u3002<\/p>\n<p><strong>\u900f\u660e\u306a\u30e1\u30fc\u30eb\u9001\u4fe1\u65b9\u6cd5<\/strong><br \/>\n\u8aa4\u89e3\u3092\u62db\u304f\u3088\u3046\u306a\u5185\u5bb9\u3092\u907f\u3051\u3001\u6b63\u78ba\u306a\u4ef6\u540d\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3002\u307e\u305f\u3001\u672a\u627f\u8afe\u306e\u30e1\u30fc\u30eb\u307e\u305f\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u5bfe\u5fdc\u3092\u884c\u308f\u306a\u3044\u3068\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u305f\u308a\u3001\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u304c\u62d2\u5426\u3055\u308c\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n<h2>3\uff0eOutlook\u3060\u3051\u3058\u3083\u306a\u3044\uff01iCloud\u30e1\u30fc\u30eb\u3084\u30c9\u30b3\u30e2\u30e1\u30fc\u30eb\u3067\u3082\u5bfe\u5fdc\u304c\u5fc5\u8981<\/h2>\n<h3>Gmail\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306e\u9055\u3044<\/h3>\n<p>\u65e2\u306b\u3001Gmail\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u3092\u884c\u3063\u3066\u3044\u308b\u4f01\u696d\u306f\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<strong>Gmail\u3068Outlook\u306e\u65b0\u3057\u3044\u8981\u4ef6\u3078\u306e\u5bfe\u5fdc\u306e\u9055\u3044<\/strong>\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\u3002<strong>\u7d50\u8ad6\u3068\u3057\u3066\u306f\u3001\u5bfe\u5fdc\u306f\u307b\u307c\u540c\u3058\u3068\u8003\u3048\u3066\u3088\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/strong><br \/>\n\u7d30\u304b\u306a\u9055\u3044\u3068\u3057\u3066\u306f\u3001\u5bfe\u5fdc\u63a8\u5968\u306b\u3042\u3052\u305f\u300c\u6e96\u62e0\u3057\u305f P2 (\u30d7\u30e9\u30a4\u30de\u30ea) \u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9\u300d\u304c\u3042\u308a\u307e\u3059\u3002\u6539\u3081\u3066\u300c\u5dee\u51fa\u4eba\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u300d\u307e\u305f\u306f\u300c\u8fd4\u4fe1\u5148\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u300d\u304c\u3001\u914d\u4fe1\u30a8\u30e9\u30fc\u3092\u8fd4\u3055\u305a\u30b5\u30fc\u30d0\u306b\u53d7\u3051\u6e21\u3057\u304c\u53ef\u80fd\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>Apple\u306eiCloud\u30e1\u30fc\u30eb\u3084NTT\u30c9\u30b3\u30e2\u306e\u30c9\u30b3\u30e2\u30e1\u30fc\u30eb\u3067\u3082\u5bfe\u5fdc\u304c\u5fc5\u8981<\/h3>\n<p>Outlook\u3084Gmail\u3060\u3051\u3067\u306f\u306a\u304f\u3001Apple\u306eiCloud\u30e1\u30fc\u30eb\uff08mac.com\u3001me.com\u3001 icloud.com\uff09\u5b9b\u3067\u3082\u3001\u4e00\u62ec\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u306b\u6e80\u305f\u3055\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u8981\u4ef6\u304c\u3042\u308a\u307e\u3059\u3002\u8a73\u7d30\u306f\u5272\u611b\u3057\u307e\u3059\u304c\u3001<strong>Outlook\u3084Gmail\u3068\u540c\u69d8\u306e\u5bfe\u5fdc\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/strong><br \/>\n\u3053\u308c\u307e\u3067\u63a8\u5968\u3068\u3055\u308c\u3066\u3044\u305f<strong>\u300cSender ID\uff0fSPF\u300d\u300cDKIM\u300d\u300cDMARC\u300d\u8a2d\u5b9a\u306f\u30012025\u5e742\u6708\u306b\u306f\u5fc5\u9808<\/strong>\u306b\u5909\u66f4\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\n<span class=\"font-sm\">\u53c2\u7167\uff1a<a href=\"https:\/\/support.apple.com\/ja-jp\/102322\" target=\"_blank\" rel=\"noopener\">iCloud\u30e1\u30fc\u30eb\u306e\u30dd\u30b9\u30c8\u30de\u30b9\u30bf\u30fc\u60c5\u5831<\/a><\/span><\/p>\n<p>\u4ed6\u306b\u3082\u3001NTT\u30c9\u30b3\u30e2\u306e\u30c9\u30b3\u30e2\u30e1\u30fc\u30eb\u3067\u306f\u30012024\u5e7410\u6708\u4ee5\u964d\u306b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u5bfe\u7b56\u3092\u76ee\u7684\u3068\u3057\u3066\u3001\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u8b66\u544a\u8868\u793a\u6a5f\u80fd\u300d\u306e\u5c0e\u5165\u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u6a5f\u80fd\u306e\u5c0e\u5165\u306b\u4f34\u3044\u3001<strong>\u300cSender ID\uff0fSPF\u300d\u300cDKIM\u300d\u300cDMARC\u300d\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981<\/strong>\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\n<span class=\"font-sm\">\u53c2\u7167\uff1a<a href=\"https:\/\/www.docomo.ne.jp\/binary\/pdf\/info\/news_release\/topics_240522_00.pdf\" target=\"_blank\" rel=\"noopener\">\u30c9\u30b3\u30e2\u30e1\u30fc\u30eb\u306b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u5bfe\u7b56\u3092\u76ee\u7684\u3068\u3057\u305f\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u8b66\u544a\u8868\u793a\u6a5f\u80fd\u300d\u3092\u5c0e\u5165\uff08PDF\uff09<\/a><\/span><\/p>\n<p>\u5404\u793e\u5171\u901a\u3057\u3066\u3001\u30e1\u30fc\u30eb\u306e\u5b89\u5168\u6027\u3084\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e\u8981\u4ef6\u3092\u63d0\u793a\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3046\u4f01\u696d\u306f\u5916\u305b\u306a\u3044\u8981\u4ef6\u3067\u3059\u306e\u3067\u3001\u5bfe\u5fdc\u3092\u9032\u3081\u307e\u3057\u3087\u3046\u3002<\/strong><\/p>\n<h2>4\uff0e\u3044\u3064\u307e\u3067\u306b\u5bfe\u5fdc\u304c\u5fc5\u8981\u304b<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18224\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image07.png\" alt=\"4\uff0e\u3044\u3064\u307e\u3067\u306b\u5bfe\u5fdc\u304c\u5fc5\u8981\u304b\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image07.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image07-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>\u65b0\u3057\u3044\u8981\u4ef6\u306e\u65bd\u884c\u958b\u59cb\u306f\u3001<strong>2025\u5e745\u67085\u65e5\u4ee5\u964d<\/strong>\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u6642\u671f\u306f\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001<strong>\u5c06\u6765\u7684\u306b\u65b0\u3057\u3044\u8981\u4ef6\u3092\u9075\u5b88\u3057\u3066\u3044\u306a\u3044\u5834\u5408<\/strong>\u306f\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u3078\u306e\u632f\u308a\u5206\u3051\u3067\u306f\u306a\u304f<strong>\u53d7\u4fe1\u62d2\u5426\u306b\u5bfe\u5fdc\u304c\u5909\u308f\u308b\u53ef\u80fd\u6027<\/strong>\u3082\u767a\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u5bfe\u5fdc\u3092\u9032\u3081\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>5\uff0e\u30e1\u30fc\u30eb\u914d\u4fe1\u6a5f\u80fd\u3092\u6301\u3064\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306e\u6ce8\u610f\u70b9<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18225\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image08.png\" alt=\"5\uff0e\u30e1\u30fc\u30eb\u914d\u4fe1\u6a5f\u80fd\u3092\u6301\u3064\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306e\u6ce8\u610f\u70b9\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image08.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image08-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" 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class=\"inner-cta\">\n<div class=\"inner-cta-content\">\n<div class=\"inner-cta-content-img\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/wp\/wp-content\/uploads\/thumb_function_comparison_mail.png\" alt=\"\u3053\u308c\u304b\u3089\u5c0e\u5165\u3092\u691c\u8a0e\u3001\u307e\u305f\u306f\u30ea\u30d7\u30ec\u30a4\u30b9\u3092\u3054\u691c\u8a0e\u306e\u65b9\u3078\" width=\"200\" height=\"150\" \/><\/p>\n<\/div>\n<div class=\"inner-cta-content-text\">\n<h4>\u3053\u308c\u304b\u3089\u5c0e\u5165\u3092\u691c\u8a0e\u3001\u307e\u305f\u306f\u30ea\u30d7\u30ec\u30a4\u30b9\u3092\u3054\u691c\u8a0e\u306e\u65b9\u3078<\/h4>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e04\u793e\u306e\u6bd4\u8f03\u8868\u3092\u7528\u610f\u3057\u307e\u3057\u305f\u3002\u3054\u691c\u8a0e\u306e\u53c2\u8003\u306b\u304a\u624b\u5143\u306b\u7f6e\u3044\u3066\u3044\u305f\u3060\u304f\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3059\u308b\u8cc7\u6599\u3067\u3059\u3002<\/p>\n<p class=\"inner-cta-content-btn\"><a id=\"ct-blog-innnercta-02\" class=\"btn btn-red btn-block\" href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_10\/index.do?code=function_comparison_mail\" target=\"_blank\" rel=\"noopener\">\u8cc7\u6599\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2>6\uff0e\u5bfe\u5fdc\u307e\u3068\u3081<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18226\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image09.png\" alt=\"6\uff0e\u5bfe\u5fdc\u307e\u3068\u3081\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image09.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/498_image09-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>\u65b0\u3057\u3044\u8981\u4ef6\u306b\u6e96\u62e0\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30e1\u30fc\u30eb\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u308a\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u308a\u3001Outlook\u3078\u306e\u30e1\u30fc\u30eb\u5230\u9054\u7387\u304c\u4e0b\u304c\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u5fc5\u8981\u306a\u5bfe\u5fdc\u306b\u95a2\u3059\u308b\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u4ee5\u4e0b\u306b\u8a18\u8f09\u3057\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p class=\"mb-5\"><strong>\u5bfe\u5fdc\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/p>\n<ul>\n<li>SPF\u306e\u8a2d\u5b9a<\/li>\n<li>DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u306e\u8a8d\u8a3c\u8a2d\u5b9a<\/li>\n<li>DMARC\u306e\u8a8d\u8a3c\u8a2d\u5b9a<\/li>\n<li>\u914d\u4fe1\u30ea\u30b9\u30c8\u306e\u6574\u5099<\/li>\n<li>\u30e1\u30fc\u30eb\u3078\u306e\u89e3\u9664\u30ea\u30f3\u30af\u8a2d\u7f6e<\/li>\n<\/ul>\n<p>\u3053\u306e\u8a18\u4e8b\u304c\u3001\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u3057\u3066\u3044\u308b\u4f01\u696d\u306e\u3054\u62c5\u5f53\u8005\u69d8\u306e\u304a\u5f79\u306b\u7acb\u3066\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u5f0a\u793e\u304c\u63d0\u4f9b\u3059\u308b\u7d71\u5408\u9867\u5ba2\u7ba1\u7406\uff08CRM\uff09\u30b7\u30b9\u30c6\u30e0\u300cSynergy!\u300d\u304c\u6301\u3064\u30e1\u30fc\u30eb\u914d\u4fe1\u6a5f\u80fd\u306f\u3001DKIM\u4f5c\u6210\u8005\u7f72\u540d\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u5b89\u5fc3\u3057\u3066\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002\u307e\u305f\u3001\u9001\u4fe1\u5143\uff08\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d0\uff09\u5074\u3067\u5bfe\u5fdc\u304c\u5fc5\u8981\u306a\u5185\u5bb9\u306b\u3082\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u8981\u4ef6\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u3054\u5229\u7528\u306e\u65b9\u3001\u3053\u308c\u304b\u3089\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u691c\u8a0e\u3059\u308b\u65b9\u3067\u304a\u60a9\u307f\u306e\u65b9\u306f\u3001\u305c\u3072\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u306e\u300cOutlook\u306e\u5927\u91cf\u9001\u4fe1\u8005\u5411\u3051\u306e\u65b0\u3057\u3044\u8981\u4ef6\u300d\u304c\u30012025\u5e744\u6708\u306b\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002Outlook\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b1\u65e5\u3042\u305f\u308a5,000\u4ef6\u3092\u8d85\u3048\u308b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u9001\u4fe1\u8005\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306bSPF\u30ec\u30b3\u30fc\u30c9&#8230;<\/p>\n","protected":false},"author":83,"featured_media":18217,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-18216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/posts\/18216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/comments?post=18216"}],"version-history":[{"count":8,"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/posts\/18216\/revisions"}],"predecessor-version":[{"id":18751,"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/posts\/18216\/revisions\/18751"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/media\/18217"}],"wp:attachment":[{"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/media?parent=18216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/categories?post=18216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.synergy-marketing.co.jp\/blog\/wp-json\/wp\/v2\/tags?post=18216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}