{"id":4331,"date":"2022-11-17T15:00:19","date_gmt":"2022-11-17T06:00:19","guid":{"rendered":"https:\/\/www.winserver.ne.jp\/column\/?p=4331"},"modified":"2025-11-26T16:21:08","modified_gmt":"2025-11-26T07:21:08","slug":"about_dkim","status":"publish","type":"post","link":"https:\/\/www.winserver.ne.jp\/column\/about_dkim\/","title":{"rendered":"DKIM\u3068\u306f\u3002\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u3092\u5fb9\u5e95\u89e3\u8aac\uff01"},"content":{"rendered":"<p><strong>\u3053\u306e\u8a18\u4e8b\u306e\u4fe1\u983c\u6027\uff1a<\/strong>\u672c\u8a18\u4e8b\u306f\u3001Windows Server\u309220\u5e74\u4ee5\u4e0a\u63d0\u4f9b\u3057\u3066\u3044\u308b\u300cWinserver\u300d\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30c1\u30fc\u30e0\u304a\u3088\u3073\u6280\u8853\u30c1\u30fc\u30e0\u304c\u57f7\u7b46\u3057\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u306b\u4f01\u696d\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u5bc4\u305b\u3089\u308c\u305f\u8a2d\u5b9a\u76f8\u8ac7\u3084\u30b5\u30dd\u30fc\u30c8\u4e8b\u4f8b\u306b\u57fa\u3065\u304d\u3001\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u7d42\u66f4\u65b0\u65e5\uff1a2025\u5e7411\u670826\u65e5<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-12172 size-full\" src=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/11\/DKIM\u3068\u306f\u3002\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u3092\u5fb9\u5e95\u89e3\u8aac\uff01-1.webp\" alt=\"DKIM\u3068\u306f\uff1f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u306e\u4ed5\u7d44\u307f\u3068\u8a2d\u5b9a\u65b9\u6cd5\u3092\u89e3\u8aac\u3059\u308bWinserver\u30b3\u30e9\u30e0\u306e\u30d8\u30c3\u30c0\u30fc\u753b\u50cf\" width=\"900\" height=\"500\" srcset=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/11\/DKIM\u3068\u306f\u3002\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u3092\u5fb9\u5e95\u89e3\u8aac\uff01-1.webp 900w, https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/11\/DKIM\u3068\u306f\u3002\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u3092\u5fb9\u5e95\u89e3\u8aac\uff01-1-300x167.webp 300w, https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/11\/DKIM\u3068\u306f\u3002\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u3092\u5fb9\u5e95\u89e3\u8aac\uff01-1-768x427.webp 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u306a\u3069\u306e\u30ea\u30f3\u30af\u3092\u5165\u308c\u305f\u30e1\u30fc\u30eb\u306a\u3069\u3001\u30e1\u30fc\u30eb\u306b\u3088\u308b<strong><span style=\"color: #ff0000;\">\u30b5\u30a4\u30d0\u30fc\u653b\u6483<\/span><\/strong>\u304c\u5927\u304d\u306a\u554f\u984c\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u3068\u554f\u984c\u306e\u306a\u3044\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u5224\u65ad\u3057\u5206\u5225\u3059\u308b\u3053\u3068\u306f\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u88ab\u5bb3\u3092\u9632\u3050\u4e0a\u3067\u3082\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p><span class=\"q_underline q_underline1\" style=\"border-bottom-color: #fff799;\">DKIM\u306f\u3001\u30e1\u30fc\u30eb\u306b\u96fb\u5b50\u7684\u306a\u7f72\u540d\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u5b89\u5168\u306a\u3082\u306e\u3067\u3042\u308b\u3068\u8a3c\u660e\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f<\/span>\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001DKIM\u304c\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u7f72\u540d\u3092\u4ed8\u4e0e\u3057\u3066\u5b89\u5168\u306a\u3082\u306e\u3067\u3042\u308b\u3068\u793a\u3057\u3066\u3044\u308b\u306e\u304b\u3068\u3044\u3046\u3053\u3068\u3001\u540c\u69d8\u306b\u30e1\u30fc\u30eb\u306e\u5b89\u5168\u5bfe\u7b56\u3068\u3057\u3066\u4f7f\u308f\u308c\u308bSPF\u3068\u306e\u9055\u3044\u306a\u3069\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u5bfe\u8c61\u8aad\u8005\uff1aDKIM\u5c0e\u5165\u3067\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u3092\u691c\u8a0e\u3059\u308b\u4f01\u696d\u62c5\u5f53\u8005<\/p>\n<div class=\"well2\">\n<p style=\"text-align: center;\"><strong>Winserver<\/strong>\u306e<span style=\"color: #339966;\"><strong>VPS<\/strong><\/span>\u306f<br \/>\n<strong>\u4e07\u5168\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406\u4f53\u5236<\/strong>\u30fb<strong>WAF\u5c0e\u5165<\/strong>\u53ef\u80fd\uff01<br \/>\n<span style=\"color: #ff00ff;\"><strong>\u5171\u7528\u30b5\u30fc\u30d0\u30fc<\/strong><\/span>\u306f<strong>WAF\u5c0e\u5165\u6e08\u307f<\/strong>\uff01<br \/>\n<span style=\"color: #ff0000;\">\uff3c<strong>\u00a02\u9031\u9593\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u5b9f\u65bd\u4e2d<\/strong>\uff0f<\/span><br \/>\n<a class=\"q_custom_button q_custom_button2 animation_type1 rounded\" style=\"width: 400px; height: 70px;\" href=\"\/\/www.winserver.ne.jp\/vps\/?utm_source=article-frame&amp;utm_medium=referral&amp;utm_campaign=vps\" target=\"_blank\" rel=\"noopener\">VPS\u30922\u9031\u9593\u7121\u6599\u3067\u8a66\u3059<\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"q_custom_button q_custom_button3 animation_type1 rounded\" style=\"width: 400px; height: 70px;\" href=\"https:\/\/www.winserver.ne.jp\/share\/?utm_source=article-frame&amp;utm_medium=referral&amp;utm_campaign=share\" target=\"_blank\" rel=\"noopener\">\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u30922\u9031\u9593\u7121\u6599\u3067\u8a66\u3059<\/a><\/p>\n<\/div>\n<h2 class=\"styled_h2\">DKIM\u3068\u306f\u3069\u3046\u3044\u3046\u3082\u306e\uff1f<\/h2>\n<p>DKIM\u3068\u306f\u3001\u300cDomainKeys Identified Mail\u300d\u306e\u7565\u3067\u3001<span class=\"q_underline q_underline1\" style=\"border-bottom-color: #fff799;\">\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u6280\u8853\u306e\u4e00\u3064<\/span>\u3067\u3059\u3002<\/p>\n<p>\u901a\u5e38\u306e\u30e1\u30fc\u30eb\u3067\u306f\u3001\u305d\u306e\u307e\u307e\u76f8\u624b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u3089\u308c\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001<span class=\"q_underline q_underline2\" style=\"border-bottom-color: #99f9ff;\">DKIM\u3067\u306f\u30e1\u30fc\u30eb\u306b\u96fb\u5b50\u7f72\u540d\u3092\u884c\u3046\u3053\u3068\u3067\u300c\u30e1\u30fc\u30eb\u306e\u6539\u3056\u3093\u300d\u300c\u306a\u308a\u3059\u307e\u3057\u300d\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b<\/span>\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"cardlink\">\n    <a class=\"image\" href=\"https:\/\/www.winserver.ne.jp\/column\/about_mail_server\/\">\n     <img decoding=\"async\" src=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2020\/11\/\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3068\u306f.webp\">\n    <\/a>\n    <div class=\"content\">\n     <div class=\"title_area\">\n      <p class=\"date\">2020.11.19<\/p>\n      <h4 class=\"title\">\n       <a href=\"https:\/\/www.winserver.ne.jp\/column\/about_mail_server\/\">\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3068\u306f\u3002\u4ed5\u7d44\u307f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\uff08SMTP\u3001POP\u3001IMAP\uff09\u3092\u89e3\u8aac\uff01<\/a>\n      <\/h4>\n     <\/div>\n     <p class=\"desc\"><span>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u3069\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3067\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3063\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u307e\u305f\u3001\u9001\u53d7\u4fe1\u306b\u4f7f\u7528\u3059\u308bPOP\u3084SMTP\u3001IMAP\u3068\u3044\u3063\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3069\u3046\u3044\u3063\u305f\u7279\u5fb4\u3084\u9055\u3044\u304c\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u4eca\u56de\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8ab2\u984c\u306a\u3069\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u69d8\u3005\u306a\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><\/p>\n    <\/div>\n   <\/div>\n\n<h2 class=\"styled_h2\">DKIM\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>DKIM\u306f\u3069\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3067\u3001\u305d\u306e\u30e1\u30fc\u30eb\u304c\u6b63\u3057\u3044\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u4ee5\u4e0b\u3067\u306f\u3001DKIM\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305a\u3001DKIM\u3092\u4f7f\u3046\u305f\u3081\u306b\u306fDNS\u30b5\u30fc\u30d0\u30fc\u306b\u9375\u306e\u60c5\u5831\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001DKIM\u306e\u4ed5\u7d44\u307f\u3092\u5b9f\u88c5\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3092\u64cd\u4f5c\u3067\u304d\u308b\u3053\u3068\u304c\u6761\u4ef6\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u4e0a\u3067\u3001DKIM\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3067\u30e1\u30fc\u30eb\u306e\u4fdd\u8b77\u3092\u884c\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u00a0\u9001\u4fe1\u5143\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u79d8\u5bc6\u9375\u306e\u60c5\u5831\u3092\u767b\u9332\u3057\u3066\u304a\u304f<\/strong><\/li>\n<li><strong>\u00a0DKIM\u3067\u4f7f\u308f\u308c\u308b\u516c\u958b\u9375\u3092\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306b\u767b\u9332\u3057\u3066\u304a\u304f<\/strong><\/li>\n<li><strong>\u00a0\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u3067\u79d8\u5bc6\u9375\u3092\u4f7f\u3063\u3066\u3001\u30e1\u30fc\u30eb\u306b\u96fb\u5b50\u7f72\u540d\u3092\u3064\u3051\u308b<\/strong><\/li>\n<li><strong>\u00a0\u30e1\u30fc\u30eb\u3092\u76f8\u624b\u5148\u306b\u9001\u308b<\/strong><\/li>\n<li><strong>\u00a0\u53d7\u3051\u53d6\u3063\u305f\u76f8\u624b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u516c\u958b\u9375\u306e\u60c5\u5831\u3092\u9001\u4fe1\u5143DNS\u30b5\u30fc\u30d0\u30fc\u306b\u8981\u6c42<\/strong><\/li>\n<li><strong>\u00a0\u53d7\u4fe1\u5148\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u53d7\u3051\u53d6\u3063\u305f\u516c\u958b\u9375\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u306e\u96fb\u5b50\u7f72\u540d\u3092\u78ba\u8a8d\u3057\u3001\u771f\u507d\u3092\u5224\u65ad<\/strong><\/li>\n<li><strong>\u00a0\u6b63\u3057\u3044\u3068\u5224\u65ad\u3055\u308c\u308c\u3070\u53d7\u3051\u53d6\u308a\u3001\u8aa4\u308a\u3068\u5224\u65ad\u3059\u308c\u3070\u62d2\u5426\u3055\u308c\u308b<\/strong><\/li>\n<\/ol>\n<p>DKIM\u306f\u4e0a\u8a18\u306e\u3088\u3046\u306a\u6d41\u308c\u3068\u4ed5\u7d44\u307f\u3067\u3001\u30e1\u30fc\u30eb\u304c\u6b63\u3057\u3044\u3053\u3068\u306e\u8a3c\u660e\u3068\u5224\u65ad\u3092\u884c\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"cardlink\">\n    <a class=\"image\" href=\"https:\/\/www.winserver.ne.jp\/column\/dns-server\/\">\n     <img decoding=\"async\" src=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2020\/10\/DNS\u3068\u306f\u3002\u30ea\u30e9\u30a4\u30c8.webp\">\n    <\/a>\n    <div class=\"content\">\n     <div class=\"title_area\">\n      <p class=\"date\">2020.10.08<\/p>\n      <h4 class=\"title\">\n       <a href=\"https:\/\/www.winserver.ne.jp\/column\/dns-server\/\">DNS\u30b5\u30fc\u30d0\u30fc\u3068\u306f\uff1f\u5f79\u5272\u30fb\u4ed5\u7d44\u307f\u30fb\u8a2d\u5b9a\u65b9\u6cd5\u3092\u89e3\u8aac\uff01<\/a>\n      <\/h4>\n     <\/div>\n     <p class=\"desc\"><span>DNS\u30b5\u30fc\u30d0\u30fc\u3068\u306f\u4f55\u304b\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b\u89e3\u8aac\u3002\u30c9\u30e1\u30a4\u30f3\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u95a2\u4fc2\u3001\u5f79\u5272\u3084\u4ed5\u7d44\u307f\u3001\u8a2d\u5b9a\u65b9\u6cd5\u3001Windows Server\u3067\u306e\u904b\u7528\u30dd\u30a4\u30f3\u30c8\u307e\u3067\u308f\u304b\u308a\u3084\u3059\u304f\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/span><\/p>\n    <\/div>\n   <\/div>\n\n<h2 class=\"styled_h2\">DKIM\u304c\u5fc5\u8981\u3068\u306a\u3063\u305f\u80cc\u666f<\/h2>\n<p>DKIM\u304c\u3001\u30e1\u30fc\u30eb\u306e\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u3069\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u304b\u306f\u7406\u89e3\u3067\u304d\u305f\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u306a\u305c\u3053\u3046\u3057\u305f\u4ed5\u7d44\u307f\u304c\u5fc5\u8981\u3068\u306a\u3063\u3066\u304d\u305f\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u4ee5\u4e0b\u3067\u306f\u3001DKIM\u306b\u3088\u308b\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u304c\u5fc5\u8981\u3068\u306a\u3063\u3066\u304d\u305f\u80cc\u666f\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"styled_h3\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306b\u3088\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u5897\u52a0<\/h3>\n<p>\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u4e2d\u3067\u3082\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306b\u3088\u308b\u3044\u308f\u3086\u308b\u300c\u6a19\u7684\u578b\u653b\u6483\u30e1\u30fc\u30eb\u300d\u306e\u4ef6\u6570\u306f\u3001JPCERT\/CC\u306e\u5831\u544a\u300c\u30de\u30eb\u30a6\u30a7\u30a2Emotet\u306e\u611f\u67d3\u518d\u62e1\u5927\u306b\u95a2\u3059\u308b\u6ce8\u610f\u559a\u8d77\u300d\u306b\u3088\u308b\u3068\u30012021\u5e7411\u6708\u5f8c\u534a\u304b\u3089\u306eEmotet\u306e\u611f\u67d3\u306e\u5927\u5e45\u62e1\u5927\u306b\u4f34\u3063\u3066\u3001\u6025\u901f\u306b\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b2022\u5e742\u6708\u3088\u308aEmotet\u306e\u611f\u67d3\u304c\u6025\u901f\u306b\u62e1\u5927\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306f\u77e5\u308a\u5408\u3044\u3084\u53d6\u5f15\u5148\u306a\u3069\u306b\u306a\u308a\u3059\u307e\u3057\u3066\u30e1\u30fc\u30eb\u304c\u9001\u3089\u308c\u3066\u304f\u308b\u305f\u3081\u3001\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u3068\u306e\u898b\u5206\u3051\u304c\u96e3\u3057\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u3001\u62e1\u5927\u306e\u4e00\u56e0\u3068\u3082\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"cardlink\">\n    <a class=\"image\" href=\"https:\/\/www.winserver.ne.jp\/column\/about_emotet\/\">\n     <img decoding=\"async\" src=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2025\/06\/Emotet\u3068\u306f\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u3057\u3066\u306e\u7279\u5fb4\u3084\u5bfe\u7b56\u3092\u89e3\u8aac.webp\">\n    <\/a>\n    <div class=\"content\">\n     <div class=\"title_area\">\n      <p class=\"date\">2022.06.02<\/p>\n      <h4 class=\"title\">\n       <a href=\"https:\/\/www.winserver.ne.jp\/column\/about_emotet\/\">Emotet\u3068\u306f\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u3057\u3066\u306e\u7279\u5fb4\u3084\u5bfe\u7b56\u3092\u89e3\u8aac\uff01<\/a>\n      <\/h4>\n     <\/div>\n     <p class=\"desc\"><span>Emotet\u306f\u3001\u77e5\u308a\u5408\u3044\u306b\u306a\u308a\u3059\u307e\u3057\u3066\u9001\u3089\u308c\u3066\u304f\u308b\u4e0d\u5be9\u306a\u30e1\u30fc\u30eb\u304b\u3089\u611f\u67d3\u3059\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3059\u3002\u4e16\u754c\u4e2d\u3067\u611f\u67d3\u304c\u62e1\u5927\u3057\u3066\u304a\u308a\u3001\u56fd\u5185\u3067\u3082\u8b66\u8996\u5e81\u306a\u3069\u304c\u6ce8\u610f\u3092\u547c\u3073\u304b\u3051\u3066\u3044\u307e\u3059\u3002Emotet\u306e\u6982\u8981\u3084\u5bfe\u7b56\u306a\u3069\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><\/p>\n    <\/div>\n   <\/div>\n\n<h3 class=\"styled_h3\">\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u306e\u5fc5\u8981\u6027<\/h3>\n<p>\u5148\u306b\u3082\u5c11\u3057\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306b\u3088\u308b\u300c\u6a19\u7684\u578b\u30e1\u30fc\u30eb\u653b\u6483\u300d\u3067\u306f\u3001\u77e5\u308a\u5408\u3044\u3084\u53d6\u5f15\u5148\u3001\u653f\u5e9c\u6a5f\u95a2\u306a\u3069\u3092\u9a19\u3063\u3066\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u304c\u9001\u3089\u308c\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u77e5\u3089\u306a\u3044\u5916\u56fd\u4eba\u304b\u3089\u82f1\u6587\u306e\u30e1\u30fc\u30eb\u304c\u6765\u305f\u3089\u3001\u304a\u305d\u3089\u304f\u307b\u3068\u3093\u3069\u306e\u4eba\u306f\u8b66\u6212\u3059\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u300c\u77e5\u3089\u306a\u3044\u30e1\u30fc\u30eb\u306f\u958b\u304b\u306a\u3044\u3088\u3046\u306b\u300d\u3068\u8a00\u308f\u308c\u308c\u3070\u958b\u304b\u306a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u305d\u308c\u304c\u77e5\u308a\u5408\u3044\u306e\u540d\u524d\u3001\u53d6\u5f15\u5148\u3084\u653f\u5e9c\u6a5f\u95a2\u306a\u3069\u306e\u8ab0\u3082\u304c\u77e5\u3063\u3066\u3044\u308b\u7d44\u7e54\u3067\u3042\u308c\u3070\u3001\u8a71\u306f\u5909\u308f\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u77e5\u308a\u5408\u3044\u306a\u3089\u5b89\u5fc3\u3057\u307e\u3059\u3057\u3001\u53d6\u5f15\u5148\u306a\u3089\u4ed5\u4e8b\u306b\u95a2\u308f\u308b\u91cd\u8981\u306a\u30e1\u30fc\u30eb\u3067\u3042\u308b\u3068\u601d\u3063\u3066\u958b\u3044\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306f\u3001\u305d\u3046\u3057\u305f\u4eba\u9593\u306e\u5fc3\u7406\u3092\u5de7\u307f\u306b\u3064\u3044\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u5bfe\u7b56\u306f\u3001\u3053\u3046\u3057\u305f\u30e1\u30fc\u30eb\u3092\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u5074\u3067\u3067\u304d\u308b\u9650\u308a\u9632\u3044\u3067\u3044\u304f\u4ed5\u7d44\u307f\u3065\u304f\u308a\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u6700\u8fd1\u3067\u306fGoogle\u306a\u3069\u306e\u3088\u3046\u306b\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u304c\u3057\u3063\u304b\u308a\u3068\u884c\u308f\u308c\u305f\u30e1\u30fc\u30eb\u3057\u304b\u53d7\u4fe1\u3057\u306a\u3044\u3001\u5bfe\u7b56\u306e\u306a\u3044\u30e1\u30fc\u30eb\u306f\u62d2\u5426\u3059\u308b\u30b1\u30fc\u30b9\u3082\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u78ba\u5b9f\u306b\u5fc5\u8981\u306a\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308a\u3001\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u306f\u5bfe\u7b56\u3092\u884c\u3046\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 class=\"styled_h2\">DKIM\u5c0e\u5165\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>DKIM\u306e\u5c0e\u5165\u306b\u3088\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u304c\u5f37\u5316\u3055\u308c\u308b\u306a\u3069\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u308b\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u306a\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u4ee5\u4e0b\u3067\u306f\u3001DKIM\u5c0e\u5165\u306b\u3088\u308b\u30e1\u30ea\u30c3\u30c8\u3084\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"styled_h3\">DKIM\u5c0e\u5165\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\n<p>DKIM\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u308b\u30e1\u30ea\u30c3\u30c8\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"color: #ff9900;\"><strong>\u6539\u3056\u3093\u306a\u3069\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u78ba\u8a8d\u304c\u3067\u304d\u308b<\/strong><\/span><\/li>\n<li><span style=\"color: #ff9900;\"><strong>\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u304c\u3055\u308c\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3067\u3082\u30e1\u30fc\u30eb\u304c\u53d7\u4fe1\u3055\u308c\u308b\uff08\u4e0d\u6b63\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u3065\u3089\u3044\uff09<br \/>\n\uff0a\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u304c\u3055\u308c\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3067\u306f\u3001\u5bfe\u7b56\u304c\u3055\u308c\u306a\u3044\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30e1\u30fc\u30eb\u306f\u4e0d\u6b63\u30e1\u30fc\u30eb\u3068\u5224\u65ad\u3055\u308c\u53d7\u3051\u53d6\u308a\u304c\u62d2\u5426\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/span><\/li>\n<li><span style=\"color: #ff9900;\"><strong>\u6697\u53f7\u5316\u3055\u308c\u305f\u60c5\u5831\u304c\u5165\u308b\u306e\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u306e\u5411\u4e0a\u306b\u306a\u308b<\/strong><\/span><\/li>\n<\/ul>\n<h3 class=\"styled_h3\">DKIM\u5c0e\u5165\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/h3>\n<p>\u9006\u306bDKIM\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u308b\u30c7\u30e1\u30ea\u30c3\u30c8\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"color: #ff9900;\"><strong>DNS\u30ec\u30b3\u30fc\u30c9\u3078\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u306a\u3069\u3001\u5c0e\u5165\u3084\u8a2d\u5b9a\u304c\u96e3\u3057\u3044<\/strong><\/span><\/li>\n<li><span style=\"color: #ff9900;\"><strong>\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u4e0e\u3059\u308b\u306e\u3067\u51e6\u7406\u306b\u8ca0\u8377\u304c\u304b\u304b\u308b<\/strong><\/span><\/li>\n<li><span style=\"color: #ff9900;\"><strong>\u96fb\u5b50\u7f72\u540d\u306b\u95a2\u3059\u308b\u77e5\u8b58\u304c\u5fc5\u8981\u3068\u306a\u308b<\/strong><\/span><\/li>\n<\/ul>\n<p>\u57fa\u672c\u7684\u306b\u306f\u3001\u73fe\u5728\u3067\u306f\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u3092\u6c42\u3081\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3082\u591a\u304f\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u3082\u306f\u3084\u5c0e\u5165\u306f\u5fc5\u9808\u3068\u3082\u8a00\u3048\u307e\u3059\u304c\u3001\u30e1\u30ea\u30c3\u30c8\u3082\u30c7\u30e1\u30ea\u30c3\u30c8\u3082\u3042\u308b\u3053\u3068\u306f\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 class=\"styled_h2\">DKIM\u3068SPF\u306e\u9055\u3044<\/h2>\n<p>\u30e1\u30fc\u30eb\u306e\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u3001\u771f\u6b63\u6027\u3092\u8a3c\u660e\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306b\u306f\u3001DKIM\u306e\u4ed6\u306b\u3082SPF\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u3067\u306f\u3001DKIM\u3068SPF\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u3001\u307e\u305f\u30e1\u30fc\u30eb\u306b\u304a\u3051\u308b\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u3067\u3042\u308bDMARC\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"styled_h3\">DKIM\u3068SPF<\/h3>\n<p>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u9632\u3050\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306b\u306fDKIM\u306e\u4ed6\u306bSPF\u3068\u3044\u3063\u305f\u3082\u306e\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u9055\u3044\u306f\u3069\u306e\u3088\u3046\u306a\u70b9\u306b\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u5c11\u3057\u6574\u7406\u3057\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305aSPF\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><span class=\"q_underline q_underline1\" style=\"border-bottom-color: #fff799;\">SPF<\/span>\u306f\u300cSender Policy Framework\u300d\u306e\u7565\u3067\u3001<span class=\"q_underline q_underline1\" style=\"border-bottom-color: #fff799;\">\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u3084\u5dee\u51fa\u4eba\u3092\u8a18\u8f09\u3059\u308b\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7From\u306e\u6b63\u5f53\u6027\u3092\u691c\u8a3c\u3059\u308b\u4ed5\u7d44\u307f<\/span>\u3067\u3059\u3002<\/p>\n<p>SPF\u3067\u30e1\u30fc\u30eb\u304c\u6b63\u3057\u3044\u3082\u306e\u3067\u3042\u308b\u304b\u3092\u691c\u8a3c\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6d41\u308c\u3067\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u00a0\u9001\u4fe1\u5143\u304b\u3089\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u30e1\u30fc\u30eb\u9001\u4fe1\u306e\u305f\u3081\u306e\u901a\u4fe1\u3092\u59cb\u3081\u308b<\/strong><\/li>\n<li><strong>\u00a0\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6b63\u5f53\u6027\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7From\u306e\u60c5\u5831\u304b\u3089\u9001\u4fe1\u5143\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u7ba1\u7406\u3059\u308bDNS\u306bSPF\u30ec\u30b3\u30fc\u30c9\u3092\u554f\u3044\u5408\u308f\u305b\u308b<\/strong><\/li>\n<li><strong>\u00a0DNS\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306e\u60c5\u5831\uff08\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\uff09\u304c\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7From\u306e\u60c5\u5831\u3068\u5408\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/strong><\/li>\n<li><strong>\u00a0\u5408\u3063\u3066\u3044\u308c\u3070\u8a8d\u8a3c\u3055\u308c\u308b<\/strong><\/li>\n<\/ol>\n<div class=\"cardlink\">\n    <a class=\"image\" href=\"https:\/\/www.winserver.ne.jp\/column\/about_spf\/\">\n     <img decoding=\"async\" src=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2024\/07\/SPF.webp\">\n    <\/a>\n    <div class=\"content\">\n     <div class=\"title_area\">\n      <p class=\"date\">2024.07.04<\/p>\n      <h4 class=\"title\">\n       <a href=\"https:\/\/www.winserver.ne.jp\/column\/about_spf\/\">SPF\u3068\u306f\uff1f\u8ff7\u60d1\u30e1\u30fc\u30eb\u9632\u6b62\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306b\u5fc5\u9808\u306e\u4ed5\u7d44\u307f\u3068\u8a2d\u5b9a\u65b9\u6cd5\u3092\u89e3\u8aac\uff01<\/a>\n      <\/h4>\n     <\/div>\n     <p class=\"desc\"><span>SPF\uff08Sender Policy Framework\uff09\u3068\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u4ed5\u7d44\u307f\u3067\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u9632\u304e\u3001\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u6280\u8853\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306fSPF\u30ec\u30b3\u30fc\u30c9\u306e\u57fa\u790e\u3001\u8a2d\u5b9a\u65b9\u6cd5\u3001\u78ba\u8a8d\u624b\u9806\u3092\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><\/p>\n    <\/div>\n   <\/div>\n\n<p>\u3053\u3053\u307e\u3067\u898b\u3066\u304d\u305f\u4e2d\u3067\u3082\u3001DKIM\u3068\u975e\u5e38\u306b\u3088\u304f\u4f3c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3067\u306f\u3001\u4e21\u8005\u306e\u9055\u3044\u306f\u3069\u3053\u306b\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<h4 class=\"styled_h4\">DKIM<\/h4>\n<p>\u307e\u305a\u3001\u3053\u3053\u307e\u3067\u3082\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001DKIM\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"color: #ff9900;\"><strong>\u96fb\u5b50\u7f72\u540d\u3092\u4f7f\u3046\u306e\u3067\u3001\u6539\u3056\u3093\u306e\u691c\u77e5\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b<\/strong><\/span><\/li>\n<li><span style=\"color: #ff9900;\"><strong>DNS\u306b\u4e8b\u524d\u306b\u516c\u958b\u9375\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u3067\u6b63\u3057\u3044\u9001\u4fe1\u5143\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059<\/strong><\/span><\/li>\n<li><span style=\"color: #ff9900;\"><strong>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u3084\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u304c\u6b63\u3057\u3044\u3053\u3068\u3001\u672c\u6587\u306e\u6539\u3056\u3093\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u308b<\/strong><\/span><\/li>\n<\/ul>\n<h4 class=\"styled_h4\">SPF<\/h4>\n<p>DKIM\u306b\u5bfe\u3057\u3066\u3001SPF\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"color: #ff9900;\"><strong>DNS\u306bSPF\u60c5\u5831\uff08\u9001\u4fe1\u5143\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3084\u30c9\u30e1\u30a4\u30f3\u60c5\u5831\uff09\u3092\u767b\u9332\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u6b63\u3057\u3044\u9001\u4fe1\u5143\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059<\/strong><\/span><\/li>\n<li><span style=\"color: #ff9900;\"><strong>\u9001\u4fe1\u5143\u3068\u9001\u4fe1\u8005\u304c\u6b63\u3057\u3044\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u306e\u78ba\u8a8d\u3092\u884c\u3046<\/strong><\/span><\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b\u4e21\u8005\u306f\u3044\u304f\u3064\u304b\u306e\u70b9\u3067\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"styled_h3\">DMARC\u3068\u306f<\/h3>\n<p>\u3053\u3053\u307e\u3067DKIM\u306b\u3064\u3044\u3066\u89e3\u8aac\u3092\u3057\u3001SPF\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3092\u3057\u307e\u3057\u305f\u304c\u3001\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u3067\u306f\u3053\u308c\u4ee5\u5916\u306b\u3088\u304f\u805e\u304f\u30ad\u30fc\u30ef\u30fc\u30c9\u306b\u300c<span class=\"q_underline q_underline1\" style=\"border-bottom-color: #fff799;\">DMARC<\/span>\u300d\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306eDMARC\u3068\u306f\u3001\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>DMARC\u306f\u3001\u3053\u3053\u307e\u3067\u89e3\u8aac\u3057\u3066\u304d\u305fDKIM\u3068SPF\u306e\u4e21\u8005\u306e\u5c0e\u5165\u3092\u524d\u63d0\u3068\u3057\u305f\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>DKIM\u306f\u96fb\u5b50\u7f72\u540d\u3092\u4f7f\u3063\u3066\u6539\u3056\u3093\u306a\u3069\u306e\u691c\u77e5\u3082\u884c\u3048\u308b\u3082\u306e\u3067\u3042\u308a\u3001SPF\u306f\u9001\u4fe1\u5143\u3084\u9001\u4fe1\u8005\u306e\u78ba\u8a8d\u304c\u884c\u3048\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<p>DMARC\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u4ed5\u7d44\u307f\u306b\u52a0\u3048\u3066\u4ee5\u4e0b\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"color: #ff9900;\"><strong>\u53d7\u4fe1\u5074\u304cSPF\u3084DKIM\u306e\u691c\u8a3c\u306b\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u30e1\u30fc\u30eb\u3092\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3059\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/strong><\/span><\/li>\n<li><span style=\"color: #ff9900;\"><strong>\u53d7\u4fe1\u5074\u304cSPF\u3084DKIM\u306e\u691c\u8a3c\u3092\u884c\u3063\u305f\u7d50\u679c\u3092\u9001\u4fe1\u5074\u304c\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/strong><\/span><\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001DMARC\u306fDKIM\u3084SPF\u306e\u4ed5\u7d44\u307f\u3092\u524d\u63d0\u3068\u3057\u3066\u3001\u3055\u3089\u306b\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"styled_h3\">\u5bfe\u7b56\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u304a\u3059\u3059\u3081<\/h3>\n<p>DKIM\u3084SPF\u3001\u305d\u3057\u3066\u305d\u308c\u3089\u3092\u524d\u63d0\u3068\u3057\u3066\u3055\u3089\u306b\u62e1\u5f35\u3059\u308b\u3088\u3046\u306aDMARC\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u898b\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>Google\u306eGmail\u306a\u3069\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u591a\u304f\u3067\u3001\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u3092\u884c\u3063\u305f\u30e1\u30fc\u30eb\u3057\u304b\u53d7\u3051\u4ed8\u3051\u306a\u3044\u3068\u3044\u3063\u305f\u30b1\u30fc\u30b9\u304c\u5897\u3048\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30b1\u30fc\u30b9\u306e\u5834\u5408\u3001DKIM\u306e\u307f\u3001SPF\u306e\u307f\u3068\u3044\u3063\u305f\u30d1\u30bf\u30fc\u30f3\u3067\u306f\u306a\u304f\u3001DKIM\u3084SPF\u306a\u3069\u7d44\u307f\u5408\u308f\u305b\u3066\u5bfe\u7b56\u304c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u524d\u63d0\u3068\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u57fa\u672c\u7684\u306b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u81ea\u524d\u3067\u8a2d\u3051\u308b\u5834\u5408\u306f\u3001\u300cDKIM\u300d\u300cSPF\u300d\u300cDMARC\u300d\u306e3\u3064\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u3053\u3046\u3057\u305f\u5bfe\u7b56\u3092\u884c\u3046\u3053\u3068\u3067\u9069\u5207\u306a\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u3092\u8a2d\u3051\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u306e\u9ad8\u3044\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u3082\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u8907\u6570\u306e\u5bfe\u7b56\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u3059\u308b\u3053\u3068\u306f\u3001\u3059\u3079\u3066\u306e\u76f8\u624b\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u3082\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3068\u8a00\u3048\u307e\u3059\u3057\u3001\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3068\u3044\u3046\u610f\u5473\u3067\u3082\u91cd\u8981\u306a\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">\u25bcWindows Server\u5c02\u9580\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u309220\u5e74\u4ee5\u4e0a\u63d0\u4f9b\u3057\u3066\u3044\u308bWinserver\u3067\u306f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3057\u305f\u3044\u65b9\u306b\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u3092\u304a\u3059\u3059\u3081\u3057\u3066\u3044\u307e\u3059\u3002\u25bc<\/p>\n<p><a href=\"https:\/\/www.winserver.ne.jp\/consulting\/document\/share\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=service-guide_share\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4338 size-full\" src=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/11\/\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u65991000\u00d7100B.png\" alt=\"\" width=\"1000\" height=\"100\" srcset=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/11\/\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u65991000\u00d7100B.png 1000w, https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/11\/\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u65991000\u00d7100B-300x30.png 300w, https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/11\/\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u65991000\u00d7100B-768x77.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/p>\n<h2 class=\"styled_h2\">\u307e\u3068\u3081<\/h2>\n<p>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u4f7f\u3063\u305f\u6a19\u7684\u578b\u30e1\u30fc\u30eb\u653b\u6483\u3068\u547c\u3070\u308c\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u304c\u6025\u901f\u306b\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b\u4e16\u754c\u4e2d\u3067\u731b\u5a01\u3092\u596e\u3044\u3064\u3064\u3042\u308bEmotet\u306e\u51fa\u73fe\u4ee5\u964d\u3001\u305d\u306e\u50be\u5411\u306f\u975e\u5e38\u306b\u9855\u8457\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3053\u3046\u3057\u305f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u5bfe\u7b56\u3068\u3057\u3066\u30e1\u30fc\u30eb\u30c9\u30e1\u30a4\u30f3\u3092\u96fb\u5b50\u7f72\u540d\u306b\u3088\u3063\u3066\u8a8d\u8a3c\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3042\u308bDKIM\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u306b\u306fDKIM\u306e\u4ed6\u306b\u3082SPF\u3084\u305d\u308c\u3089\u4e21\u8005\u3092\u3088\u308a\u767a\u5c55\u3055\u305b\u305fDMARC\u306a\u3069\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u8fd1\u3067\u306f\u3001Google\u306eGmail\u306e\u3088\u3046\u306b\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u3092\u884c\u3063\u305f\u5b89\u5168\u306a\u9001\u4fe1\u5148\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3057\u304b\u53d7\u3051\u4ed8\u3051\u306a\u3044\u3068\u3044\u3063\u305f\u30b1\u30fc\u30b9\u3082\u51fa\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u8a2d\u3051\u308b\u5834\u5408\u306b\u306f\u3001\u4eca\u56de\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u5b89\u5168\u3067\u3059\u3079\u3066\u306e\u76f8\u624b\u306b\u78ba\u5b9f\u306b\u30e1\u30fc\u30eb\u304c\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>\u203b\u3053\u306e\u8a18\u4e8b\u306f2025\u5e7411\u6708\u6642\u70b9\u306e\u60c5\u5831\u306b\u57fa\u3065\u3044\u3066\u57f7\u7b46\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u63b2\u8f09\u5185\u5bb9\u306f\u5c06\u6765\u7684\u306b\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u203b\u672c\u8a18\u4e8b\u306e\u60c5\u5831\u306f\u3001\u5404\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u304a\u3088\u3073\u958b\u767a\u5143\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u57fa\u3065\u3044\u3066\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u6700\u7d42\u66f4\u65b0\u65e5\uff1a2025\u5e7411\u670826\u65e5<\/strong><\/p>\n<div style=\"background-color: #f5f5f5; padding: 1.5em; border-left: 5px solid #3399ff;\">\n<p><strong>\u3053\u306e\u8a18\u4e8b\u306e\u57f7\u7b46\u8005\u306b\u3064\u3044\u3066\uff1a<\/strong><br \/>\n\u672c\u8a18\u4e8b\u306f\u3001Windows\u5c02\u9580\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u309220\u5e74\u4ee5\u4e0a\u63d0\u4f9b\u3059\u308b<strong>\u300cWinserver\uff08\u682a\u5f0f\u4f1a\u793e\u30a2\u30b7\u30b9\u30c8\u30a2\u30c3\u30d7\uff09\u300d<\/strong>\u304c\u904b\u55b6\u3059\u308b\u516c\u5f0f\u30b3\u30e9\u30e0\u3067\u3059\u3002<br \/>\n\u5f53\u793e\u306f<strong>Microsoft SPLA\u30d1\u30fc\u30c8\u30ca\u30fc<\/strong>\u3068\u3057\u3066\u3001\u6cd5\u4eba\u30fb\u500b\u4eba\u3092\u554f\u308f\u305a\u591a\u6570\u306e\u9867\u5ba2\u306b\u5bfe\u3057\u3001<strong>Windows Server\u74b0\u5883\u306e\u5c0e\u5165\u30fb\u904b\u7528\u652f\u63f4<\/strong>\u3092\u884c\u3063\u3066\u307e\u3044\u308a\u307e\u3057\u305f\u3002<br \/>\n\u57f7\u7b46\u30fb\u69cb\u6210\u306f\u3001<strong>\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u3068\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30c1\u30fc\u30e0\u304c\u5171\u540c\u3067\u62c5\u5f53<\/strong>\u3002\u5b9f\u969b\u306b\u793e\u5185\u5c0e\u5165\u3084\u304a\u5ba2\u69d8\u304b\u3089\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306b\u57fa\u3065\u3044\u305f\u60c5\u5831\u3092\u3082\u3068\u306b\u57f7\u7b46\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<section id=\"downloadPC\" class=\"PcOnly\">\n<div class=\"downloadinfoPC\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"formimage\" src=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/10\/Winserver_\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u6599.jpg\" alt=\"\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u6599\" width=\"720\" height=\"405\" \/><\/p>\n<p class=\"formtitle\">\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u6599<\/p>\n<p>\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3084\u30d6\u30ed\u30b0\u3092\u516c\u958b\u3059\u308b\u305f\u3081\u306b\u6700\u9069\u306a\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3001\u7279\u5fb4\u3001\u6599\u91d1\u30d7\u30e9\u30f3\u3092\u307e\u3068\u3081\u305f\u8cc7\u6599\u3067\u3059\u3002<br \/>\n\u300cWordPress\u5c02\u7528\u30d7\u30e9\u30f3\u300d\u306b\u3064\u3044\u3066\u3082\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<div class=\"downloadformPC\">\n<p><script id=\"_bownow_cs_sid_8052bdaa243c05cfa723\">\nvar _bownow_cs_sid_8052bdaa243c05cfa723 = document.createElement('script');\n_bownow_cs_sid_8052bdaa243c05cfa723.charset = 'utf-8';\n_bownow_cs_sid_8052bdaa243c05cfa723.src = 'https:\/\/contents.bownow.jp\/forms\/sid_8052bdaa243c05cfa723\/trace.js';\ndocument.getElementsByTagName('head')[0].appendChild(_bownow_cs_sid_8052bdaa243c05cfa723);\n<\/script><\/p>\n<\/div>\n<\/section>\n<section id=\"downloadPhone\" class=\"PhoneOnly\">\n<div class=\"downloadinfoPhone\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"formimage\" src=\"https:\/\/blog.winserver.ne.jp\/wp-content\/uploads\/2022\/10\/Winserver_\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u6599.jpg\" alt=\"\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\u8cc7\u6599\" width=\"720\" height=\"405\" \/><\/p>\n<p 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