{"id":5222,"date":"2026-10-12T12:58:36","date_gmt":"2026-10-12T10:58:36","guid":{"rendered":"https:\/\/www.klytic.com\/email-security-gateway\/"},"modified":"2026-10-12T14:45:29","modified_gmt":"2026-10-12T12:45:29","slug":"email-security-gateway-ja","status":"publish","type":"page","link":"https:\/\/www.klytic.com\/ja\/email-security-gateway-ja\/","title":{"rendered":"\u5185\u8535\u30d5\u30a3\u30eb\u30bf\u30fc\u304b\u3001\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u524d\u6bb5\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304b"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"5222\" class=\"elementor elementor-5222 elementor-4324\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48ddca4 e-con-full kly-g e-flex e-con e-parent\" data-id=\"48ddca4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-007490c e-con-full kly-g-hero e-flex e-con e-parent\" data-id=\"007490c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-69bead5 e-con-full kly-g-hero-in e-flex e-con e-parent\" data-id=\"69bead5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-afb9d7c elementor-widget elementor-widget-text-editor\" data-id=\"afb9d7c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-crumb\">\u30db\u30fc\u30e0<span>\u203a<\/span>\u30ac\u30a4\u30c9<span>\u203a<\/span>\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/p><p class=\"kly-g-pill\" style=\"--pill:#f87171\">\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u00b7 \u7406\u89e3\u3059\u308b<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06a8fb8 elementor-widget elementor-widget-heading\" data-id=\"06a8fb8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">\u5185\u8535\u30d5\u30a3\u30eb\u30bf\u30fc\u304b\u3001\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u524d\u6bb5\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304b<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e81602 elementor-widget elementor-widget-text-editor\" data-id=\"1e81602\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-lead\">\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u5185\u8535\u3055\u308c\u305f\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u5b88\u308b\u306e\u306f\u3001\u305d\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3060\u3051\u3067\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u305d\u306e\u524d\u6bb5\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306e MX \u304c\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u6307\u5b9a\u3057\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u3063\u3066\u5206\u6790\u3057\u3001\u3069\u306e\u3088\u3046\u306a\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u30b5\u30fc\u30d0\u30fc\u3067\u3042\u3063\u3066\u3082\u305d\u3053\u3078\u914d\u9001\u3057\u307e\u3059\u3002\u672c\u5f53\u306e\u9055\u3044\u306f\u5206\u6790\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3001\u3064\u307e\u308a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u5165\u308b\u524d\u304b\u5f8c\u304b\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0eec6da elementor-widget elementor-widget-text-editor\" data-id=\"0eec6da\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-meta\"><span><b>2026\u5e7410\u6708<\/b>\u66f4\u65b0<\/span><span><b>7 \u5206<\/b><\/span><span>\u5f15\u7528\u3057\u305f\u516c\u5f0f\u60c5\u5831\u6e90<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b44e50f e-con-full kly-g-body e-flex e-con e-parent\" data-id=\"b44e50f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-c673be7 e-con-full kly-g-article e-flex e-con e-parent\" data-id=\"c673be7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7741727 elementor-widget elementor-widget-text-editor\" data-id=\"7741727\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u7f6e\u3051\u308b\u4e8c\u3064\u306e\u5834\u6240<\/h2><p>\u30d3\u30b8\u30cd\u30b9\u7528\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3059\u3067\u306b\u30e1\u30fc\u30eb\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u3044\u307e\u3059\u3002Microsoft 365\u3001Google Workspace\u3001Exchange 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\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong>\u3002\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u4e0a\u6d41\u306b\u914d\u7f6e\u3055\u308c\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30e1\u30fc\u30eb\u8ee2\u9001\u3092\u898f\u5b9a\u3059\u308b RFC 5321 \u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u3063\u3066\u5148\u3078\u8ee2\u9001\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u300c\u8ee2\u9001\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u300d\uff08MTA\uff09\u3068\u547c\u3093\u3067\u3044\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306e MX \u30ec\u30b3\u30fc\u30c9\u304c\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u3001\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u304c\u6700\u521d\u306b\u63a5\u7d9a\u3059\u308b\u306e\u306f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3067\u3059\u3002<\/p><\/div><p>\u5206\u6790\u5f8c\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u30b5\u30fc\u30d0\u30fc\u306b\u6e21\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u898b\u3048\u307e\u305b\u3093\u3002\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3001Web 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data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u914d\u4fe1\u524d\u304b\u3001\u914d\u4fe1\u5f8c\u304b<\/h2><p>\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u52d5\u4f5c\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u4e8c\u3064\u3042\u308a\u3001\u305d\u306e\u9078\u629e\u306b\u306f\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u3002<\/p><ul><li><strong>\u914d\u4fe1\u524d<\/strong>\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u8ee2\u9001\u4e2d\u306b\u5206\u6790\u3055\u308c\u307e\u3059\u3002\u5371\u967a\u3068\u5224\u65ad\u3055\u308c\u308c\u3070\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u306f\u5165\u308a\u307e\u305b\u3093\u3002\u60aa\u610f\u306e\u3042\u308b\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306f\u9664\u53bb\u3055\u308c\u3001\u304a\u77e5\u3089\u305b\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002\u7591\u308f\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u914d\u4fe1\u3055\u308c\u305a\u306b\u9694\u96e2\u3055\u308c\u307e\u3059\u3002<\/li><li><strong>\u914d\u4fe1\u5f8c<\/strong>\u3002\u5206\u6790\u7d50\u679c\u304c\u51fa\u305f\u3068\u304d\u3001\u3042\u308b\u3044\u306f\u65b0\u3057\u3044\u60c5\u5831\uff08\u305f\u3068\u3048\u3070\u6570\u6642\u9593\u5f8c\u306b\u5831\u544a\u3055\u308c\u305f\u30ea\u30f3\u30af\uff09\u304c\u5c4a\u3044\u305f\u3068\u304d\u306b\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3059\u3067\u306b\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u30c4\u30fc\u30eb\u304c\u305d\u308c\u3092\u53d6\u308a\u9664\u304b\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u9593\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u958b\u3044\u305f\u308a\u3001\u30af\u30ea\u30c3\u30af\u3057\u305f\u308a\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3057\u305f\u308a\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li><\/ul><p>\u591a\u304f\u306e\u5834\u5408\u3001\u4e8c\u3064\u306e\u65b9\u5f0f\u306f\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u308f\u308c\u307e\u3059\u3002\u4e0a\u6d41\u3067\u5206\u6790\u3057\u3001\u3055\u3089\u306b\u30af\u30ea\u30c3\u30af\u6642\u306b\u3082\u4fdd\u8b77\u3092\u7d9a\u3051\u307e\u3059\u3002\u53d7\u4fe1\u6642\u306b\u306f\u5b89\u5168\u3060\u3063\u305f\u30b5\u30a4\u30c8\u304c\u3001\u305d\u306e\u5f8c\u306b\u4e0d\u6b63\u306b\u6539\u3056\u3093\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002\u3069\u3061\u3089\u3082\u3059\u3079\u3066\u3092\u6b62\u3081\u3089\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p><p>Klytic \u304c\u5206\u6790\u3092\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u524d\u306b\u7f6e\u304f\u7406\u7531\u306f\u5358\u7d14\u3067\u3059\u3002\u914d\u4fe1\u3055\u308c\u306a\u304b\u3063\u305f\u3082\u306e\u306f\u3001\u5f8c\u304b\u3089\u56de\u53ce\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u305f\u3060\u3057\u3001<a href='\/ja\/ceo-fraud-impersonation-ja\/'>CEO \u8a50\u6b3a<\/a>\u306e\u3088\u3046\u306b\u3001\u3082\u3063\u3068\u3082\u3089\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3059\u3079\u3066\u306e\u30c1\u30a7\u30c3\u30af\u3092\u901a\u904e\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u4eba\u306b\u3088\u308b\u5224\u65ad\u304c\u5f15\u304d\u7d9a\u304d\u5fc5\u8981\u3067\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-126b977 elementor-widget elementor-widget-text-editor\" data-id=\"126b977\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u30b5\u30fc\u30d0\u30fc\u306e\u524d\u6bb5\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 MTA \u3092\u7f6e\u304f\u7406\u7531<\/h2><ul><li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u306e\u30c4\u30fc\u30eb<\/strong>\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u4e88\u5b9a\u8868\u3082\u30b9\u30c8\u30ec\u30fc\u30b8\u3082\u7ba1\u7406\u3057\u307e\u305b\u3093\u3002\u30eb\u30fc\u30eb\u306f\u9001\u4fe1\u8005\u3001\u5185\u5bb9\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u5bfe\u8c61\u3068\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li><li><strong>\u7dad\u6301\u3055\u308c\u308b\u4fdd\u8b77<\/strong>\u3002\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3057\u3066\u3082\u4fdd\u8b77\u306f\u305d\u306e\u307e\u307e\u6b8b\u308a\u3001\u5b50\u4f1a\u793e\u3001\u65e7\u6765\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3001\u65b0\u3057\u3044\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306a\u3069\u3001\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u540c\u6642\u306b\u30ab\u30d0\u30fc\u3067\u304d\u307e\u3059\u3002<\/li><li><strong>\u4e00\u304b\u6240\u3067\u78ba\u8a8d\u3067\u304d\u308b\u5224\u5b9a<\/strong>\u3002\u3069\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u305d\u306e\u5f8c\u53d7\u4fe1\u3059\u308b\u304b\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u5404\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u5224\u5b9a\u306e\u7406\u7531\u304c\u4ed8\u8a18\u3055\u308c\u307e\u3059\u3002<\/li><li><strong>\u30bb\u30ab\u30f3\u30c9\u30aa\u30d4\u30cb\u30aa\u30f3<\/strong>\u3002\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u5185\u8535\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5f8c\u6bb5\u3067\u5f15\u304d\u7d9a\u304d\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/li><\/ul><p>\u30b3\u30b9\u30c8\u3068\u3057\u3066\u306f\u3001\u7d4c\u8def\u4e0a\u306e\u4ef2\u4ecb\u8005\u304c\u4e00\u3064\u5897\u3048\u307e\u3059\u3002\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u30b5\u30fc\u30d0\u30fc\u306b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u767b\u9332\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u3001\u3059\u3079\u3066\u306e\u30e1\u30fc\u30eb\u304c\u5358\u4e00\u306e\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u5c4a\u304f\u3088\u3046\u306b\u898b\u3048\u3001\u5b9f\u969b\u306e\u9001\u4fe1\u8005\u3092\u6b63\u3057\u304f\u5224\u65ad\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001SPF\u3001DKIM\u3001DMARC \u3082\u898b\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u306f<a href='\/ja\/protect-existing-email-ja\/'>\u4eca\u304a\u4f7f\u3044\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b<\/a>\u3067\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p><h3>\u3059\u3079\u3066\u306e\u4f01\u696d\u304c\u5bfe\u8c61<\/h3><p>ANSSI\uff08\u30d5\u30e9\u30f3\u30b9\u56fd\u5bb6\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5e81\uff09\u306b\u3088\u308c\u3070\u3001\u30e1\u30fc\u30eb\u306f\u300c\u696d\u52d9\u7528\u7aef\u672b\u3078\u306e\u611f\u67d3\u306e\u4e3b\u8981\u306a\u7d4c\u8def\u300d\u3067\u3042\u308a\u3001\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306f\u300c\u975e\u5e38\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u3055\u3089\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u653b\u6483\u306e\u4e3b\u8981\u306a\u7d4c\u8def\u306e\u4e00\u3064\u300d\u3067\u3059\uff08\u7ffb\u8a33\uff09\u3002\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3001\u60aa\u610f\u306e\u3042\u308b\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3001\u507d\u306e\u9001\u91d1\u6307\u793a\u3002\u6a19\u7684\u306b\u306a\u308b\u306b\u306f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u4e00\u3064\u3042\u308c\u3070\u5341\u5206\u3067\u3042\u308a\u3001\u5c0f\u898f\u6a21\u4e8b\u696d\u8005\u3082\u5927\u4f01\u696d\u3068\u540c\u3058\u3088\u3046\u306b\u72d9\u308f\u308c\u307e\u3059\u3002<\/p><p>ANSSI \u306f\u30e1\u30fc\u30eb\u306e\u4fdd\u8b77\u3092\u30c7\u30b8\u30bf\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u300c10\u306e\u9ec4\u91d1\u30eb\u30fc\u30eb\u300d\u306e\u4e00\u3064\u306b\u6319\u3052\u3066\u304a\u308a\u3001\u305d\u306e\u5bfe\u7b56\u57fa\u6e96\u3067\u306f\u30b9\u30d1\u30e0\u5bfe\u7b56\u30fb\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u5c0e\u5165\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c9\u3067\u306f\u3001\u696d\u52d9\u3067\u306e\u30e1\u30fc\u30eb\u5229\u7528\u306f\u300c\u7d44\u7e54\u306e\u898f\u6a21\u3084\u696d\u7a2e\u3092\u554f\u308f\u305a\u300d\u5e83\u304f\u666e\u53ca\u3057\u3066\u304a\u308a\u3001\u30b9\u30d1\u30e0\u5bfe\u7b56\u3068\u60aa\u610f\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u691c\u51fa\u306e\u4ed5\u7d44\u307f\u3092\u300c\u5c0e\u5165\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u300d\u3068\u3057\u3066\u3044\u307e\u3059\uff08\u7ffb\u8a33\uff09\u3002<\/p><p>\u3064\u307e\u308a\u3001\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u3082\u306f\u3084\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u672c\u5f53\u306e\u554f\u984c\u306f\u3001\u305d\u308c\u3092\u3069\u3053\u306b\u914d\u7f6e\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u5c4a\u304f\u524d\u306b\u4f55\u3092\u6b62\u3081\u3089\u308c\u308b\u304b\u3067\u3059\u3002<\/p><p class=\"kly-fit yes\">\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u52a0\u3048\u3066\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30d9\u30f3\u30c0\u30fc\u306b\u4f9d\u5b58\u3057\u306a\u3044\u5206\u6790\u3001\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u3084\u8907\u6570\u306e\u4f1a\u793e\u306b\u5171\u901a\u306e\u30dd\u30ea\u30b7\u30fc\u3001\u305d\u3057\u3066\u8aac\u660e\u53ef\u80fd\u306a\u5224\u5b9a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p><p class=\"kly-fit no\">\u5185\u8535\u578b\u3067\u3082\u524d\u6bb5\u914d\u7f6e\u578b\u3067\u3082\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306f ANSSI \u304c\u547c\u3073\u304b\u3051\u308b\u57fa\u672c\u306e\u5fc3\u304c\u3051\u306e\u4ee3\u308f\u308a\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u7591\u308f\u3057\u3044\u30ea\u30f3\u30af\u3084\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u30af\u30ea\u30c3\u30af\u3057\u306a\u3044\u3001\u4e0d\u5be9\u306a\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u3057\u306a\u3044\u3001\u5225\u306e\u624b\u6bb5\u3067\u78ba\u8a8d\u3059\u308b\u3001\u4e8c\u8981\u7d20\u8a8d\u8a3c\u3092\u6709\u52b9\u306b\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u3053\u3068\u3067\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f77663 elementor-widget elementor-widget-text-editor\" data-id=\"6f77663\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u898b\u308b\u3082\u306e\u3001\u4fdd\u6301\u3059\u308b\u3082\u306e<\/h2><p>\u5224\u5b9a\u3092\u4e0b\u3059\u305f\u3081\u306b\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u5168\u4f53\u3092\u8aad\u307f\u307e\u3059\u3002\u540d\u4e57\u3089\u308c\u305f\u9001\u4fe1\u8005\u3068\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u3001\u8a8d\u8a3c\u7d50\u679c\uff08SPF\u3001DKIM\u3001DMARC\uff09\u3001\u672c\u6587\u3001\u30ea\u30f3\u30af\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u305d\u3053\u304b\u3089\u3001\u914d\u4fe1\u3001\u9694\u96e2\u3001\u62d2\u5426\u3001\u307e\u305f\u306f\u672a\u77e5\u306e\u9001\u4fe1\u8005\u306e\u53d7\u4fe1\u4fdd\u7559\u3068\u3044\u3046\u5224\u5b9a\u3092\u5c0e\u304d\u307e\u3059\u3002<\/p><p>\u8aad\u3080\u3053\u3068\u3068\u4fdd\u5b58\u3059\u308b\u3053\u3068\u306f\u5225\u3067\u3059\u3002\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u5c0b\u306d\u308b\u3079\u304d\u306a\u306e\u306f\u3001\u300c\u4f55\u304c\u6b8b\u308a\u3001\u3069\u308c\u3060\u3051\u306e\u671f\u9593\u4fdd\u5b58\u3055\u308c\u308b\u306e\u304b\u300d\u3068\u3044\u3046\u70b9\u3067\u3059\u3002Klytic MTA \u3067\u306f\u3001\u4e09\u3064\u306e\u30b1\u30fc\u30b9\u3068\u3001\u5224\u5b9a\u306e\u8a18\u9332\u3092\u533a\u5225\u3057\u3066\u3044\u307e\u3059\u3002<\/p><div class=\"kly-table\"><table><thead><tr><th>\u72b6\u6cc1<\/th><th>\u4fdd\u5b58\u3055\u308c\u308b\u3082\u306e<\/th><th>\u671f\u9593<\/th><\/tr><\/thead><tbody><tr><td>\u901a\u5e38\u306e\u914d\u4fe1<\/td><td>\u5206\u6790\u306b\u4f7f\u7528\u3057\u305f\u500b\u4eba\u30c7\u30fc\u30bf\uff08\u9001\u4fe1\u8005\u3001\u5b9b\u5148\u3001\u4ef6\u540d\u3001\u672c\u6587\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u540d\uff09\u306f\u524a\u9664\u3055\u308c\u307e\u3059\u3002\u6b8b\u308b\u306e\u306f\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u3001\u30b9\u30b3\u30a2\u3001\u5224\u5b9a\u3067\u3059\u3002<\/td><td>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 2 \u65e5\u5f8c\u306b\u524a\u9664\u3002\u671f\u9593\u306f\u8abf\u6574\u53ef\u80fd<\/td><\/tr><tr><td>\u9694\u96e2\u3055\u308c\u305f\u5371\u967a\u306a\u30e1\u30c3\u30bb\u30fc\u30b8<\/td><td>\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u5168\u4f53<\/td><td>\u89e3\u653e\u30ea\u30f3\u30af\u306e\u6709\u52b9\u671f\u9593\u3067\u3042\u308b 7 \u65e5\u9593<\/td><\/tr><tr><td>\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044\u5834\u5408<\/td><td>\u6697\u53f7\u5316\uff08AES-256-GCM\uff09\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ad\u30e5\u30fc\u3067\u4fdd\u6301<\/td><td>\u914d\u4fe1\u5b8c\u4e86\u307e\u305f\u306f\u671f\u9650\u5207\u308c\u307e\u3067<\/td><\/tr><tr><td>\u3059\u3079\u3066\u306e\u5224\u5b9a<\/td><td>\u30b9\u30b3\u30a2\u3068\u7406\u7531\uff08\u5185\u5bb9\u306f\u542b\u307e\u306a\u3044\uff09<\/td><td>\u7d71\u8a08\u306e\u305f\u3081\u306b\u4fdd\u5b58\u3055\u308c\u308b\u6280\u8853\u30c7\u30fc\u30bf<\/td><\/tr><\/tbody><\/table><\/div><p>\u3064\u307e\u308a\u300c\u901a\u5e38\u904b\u7528\u6642\u306b\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4fdd\u5b58\u3057\u306a\u3044\u300d\u3068\u306f\u3001\u914d\u4fe1\u6e08\u307f\u30e1\u30fc\u30eb\u306e\u6c38\u7d9a\u7684\u306a\u30b3\u30d4\u30fc\u3092\u6301\u305f\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002\u300c\u30c7\u30fc\u30bf\u30bc\u30ed\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u5224\u5b9a\u306e\u8a18\u9332\u3092\u6b8b\u3057\u3001\u5206\u6790\u306e\u8a73\u7d30\u3092\u6570\u65e5\u9593\u4fdd\u6301\u3057\u307e\u3059\u3002\u5404\u671f\u9650\u306b\u3064\u3044\u3066\u306f<a href='\/ja\/email-security-logs-ja\/'>\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ed\u30b0\u306e\u4fdd\u7ba1\u3068\u78ba\u8a8d<\/a>\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2ead51 elementor-widget elementor-widget-text-editor\" data-id=\"a2ead51\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u30e1\u30fc\u30eb\u306e\u7d4c\u8def\uff08\u30b9\u30c6\u30c3\u30d7\u3054\u3068\uff09<\/h2><ol><li>\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u304c\u8cb4\u793e\u30c9\u30e1\u30a4\u30f3\u306e MX \u3092\u691c\u7d22\u3057\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u898b\u3064\u3051\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6e21\u3057\u307e\u3059\u3002<\/li><li>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u9001\u4fe1\u8005\uff08\u8a8d\u8a3c\u3001\u8a55\u5224\uff09\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\uff08\u30ea\u30f3\u30af\u3001\u672c\u6587\u3001\u65e2\u77e5\u306e\u30b7\u30ca\u30ea\u30aa\uff09\u3001\u305d\u3057\u3066\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li><li>\u5b89\u5168\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\uff1aMicrosoft 365\u3001Google Workspace\u3001Exchange\u3001Klytic Mail\u3001\u305d\u306e\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u3001\u304a\u4f7f\u3044\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u914d\u4fe1\u3057\u307e\u3059\u3002<\/li><li>\u5371\u967a\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\uff1a\u6697\u53f7\u5316\u3055\u308c\u305f\u9694\u96e2\u9818\u57df\u306b\u79fb\u3055\u308c\u307e\u3059\u3002\u53d7\u4fe1\u8005\u306b\u306f\u901a\u77e5\u304c\u5c4a\u304d\u3001\u8aa4\u308a\u3067\u3042\u308c\u3070\u30ea\u30f3\u30af\u304b\u3089\u89e3\u653e\u3067\u304d\u307e\u3059\u3002<\/li><li>\u62d2\u5426\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\uff1a\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u304c\u62d2\u5426\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u901a\u77e5\u3057\u307e\u3059\u3002<\/li><li>\u8cb4\u793e\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u30b5\u30fc\u30d0\u30fc\u304c\u5fdc\u7b54\u3057\u306a\u3044\u5834\u5408\uff1a\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u6697\u53f7\u5316\u3055\u308c\u305f\u72b6\u614b\u3067\u5f85\u6a5f\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u5fa9\u65e7\u3057\u6b21\u7b2c\u914d\u4fe1\u3055\u308c\u307e\u3059\u3002<\/li><\/ol><p>\u3053\u306e\u7d4c\u8def\u306f SMTP \u306e\u901a\u5e38\u306e\u52d5\u4f5c\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u4e00\u6642\u30a8\u30e9\u30fc\u3092\u53d7\u3051\u53d6\u3063\u305f\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4fdd\u6301\u3057\u3066\u518d\u9001\u3092\u8a66\u307f\u307e\u3059\u3002<a href='\/ja\/migrate-email-without-downtime\/'>\u696d\u52d9\u3092\u6b62\u3081\u305a\u306b\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u79fb\u884c\u3059\u308b\u65b9\u6cd5<\/a>\u306e\u30ac\u30a4\u30c9\u3067\u3001\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u3063\u3066 MX \u5909\u66f4\u4e2d\u306b\u30e1\u30fc\u30eb\u3092\u5931\u308f\u305a\u306b\u6e08\u3080\u7406\u7531\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f792791 elementor-widget elementor-widget-text-editor\" data-id=\"f792791\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/h2><h3>\u5c0f\u898f\u6a21\u306a\u4f01\u696d\u306b\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3><p>\u306f\u3044\u3002\u30e1\u30fc\u30eb\u653b\u6483\u306f\u6a19\u7684\u3092\u898f\u6a21\u3067\u9078\u3073\u307e\u305b\u3093\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5909\u3048\u305a\u306b\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u5c0e\u5165\u3059\u308b\u65b9\u6cd5\u306e\u4e00\u3064\u3067\u3059\u3002<a href='\/ja\/protect-existing-email-ja\/'>\u4eca\u304a\u4f7f\u3044\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p><h3>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f Microsoft 365 \u3084 Google Workspace \u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u7f6e\u304d\u63db\u3048\u307e\u3059\u304b\uff1f<\/h3><p>\u3044\u3044\u3048\u3002\u5185\u8535\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5f8c\u6bb5\u3067\u5f15\u304d\u7d9a\u304d\u52d5\u4f5c\u3057\u307e\u3059\u3002\u5404\u30d9\u30f3\u30c0\u30fc\u306f\u3001\u81ea\u793e\u306e\u5206\u6790\u304c\u6b63\u78ba\u3055\u3092\u4fdd\u3066\u308b\u3088\u3046\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u767b\u9332\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<a href='\/ja\/protect-existing-email-ja\/'>\u4eca\u304a\u4f7f\u3044\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p><h3>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u3088\u3063\u3066\u30e1\u30fc\u30eb\u304c\u9045\u308c\u307e\u3059\u304b\uff1f<\/h3><p>\u5206\u6790\u306b\u3088\u3063\u3066\u30b9\u30c6\u30c3\u30d7\u304c\u4e00\u3064\u5897\u3048\u307e\u3059\u3002\u76ee\u306b\u898b\u3048\u308b\u9045\u5ef6\u306f\u610f\u56f3\u7684\u306a\u3082\u306e\u3067\u3059\u3002\u672a\u77e5\u306e\u9001\u4fe1\u8005\u3092\u77ed\u6642\u9593\u4fdd\u7559\u3059\u308b\u3053\u3068\u3067\u3001\u518d\u9001\u3092\u884c\u308f\u306a\u3044\u81ea\u52d5\u9001\u4fe1\u3092\u6392\u9664\u3057\u307e\u3059\u3002<\/p><h3>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3><p>\u306f\u3044\u3002MX \u306f\u5f15\u304d\u7d9a\u304d\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u6307\u5b9a\u3057\u3001\u914d\u4fe1\u5148\u30b5\u30fc\u30d0\u30fc\u3060\u3051\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u5207\u308a\u66ff\u3048\u306e\u624b\u9806\u306f<a href='\/ja\/migrate-email-without-downtime\/'>\u696d\u52d9\u3092\u6b62\u3081\u305a\u306b\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u79fb\u884c\u3059\u308b\u65b9\u6cd5<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p><h3>\u8aa4\u3063\u3066\u4fdd\u7559\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3><p>\u524a\u9664\u3055\u308c\u305a\u3001\u9694\u96e2\u3055\u308c\u3066\u3044\u307e\u3059\u3002<a href='\/ja\/quarantine-false-positives-ja\/'>\u9694\u96e2\u3001\u8aa4\u691c\u77e5\u3001\u5831\u544a<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p><h3>\u5c02\u7528\u307e\u305f\u306f\u793e\u5185\u8a2d\u7f6e\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3><p>\u305d\u308c\u306f\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u306f\u306a\u304f\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u554f\u984c\u3067\u3059\u3002<a href='\/ja\/cloud-dedicated-or-on-premises-email-ja\/'>\u30af\u30e9\u30a6\u30c9\u3001\u5c02\u7528\u3001\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0<\/a>\u3067\u6271\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c7448a kly-g-klytic elementor-widget elementor-widget-text-editor\" data-id=\"3c7448a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Klytic \u306e\u4f4d\u7f6e\u3065\u3051<\/h2><p><a href='\/ja\/klytic-mta\/'>Klytic MTA<\/a> \u306f\u3053\u306e\u7a2e\u985e\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3067\u3059\u3002Klytic Mail \u306a\u3057\u3067\u5358\u4f53\u3067\u5951\u7d04\u3067\u304d\u3001Klytic Mail\u3001Microsoft 365\u3001Google Workspace\u3001Exchange\u3001\u305d\u306e\u4ed6\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3078\u914d\u4fe1\u3057\u307e\u3059\u3002<\/p><ul><li><strong>\u30a8\u30c3\u30bb\u30f3\u30b7\u30e3\u30eb<\/strong>\uff1a\u8a8d\u8a3c\u3068\u8a55\u5224\uff08\u8ee2\u9001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u542b\u3080 SPF\u3001DKIM\u3001DMARC\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u767b\u9332\u671f\u9593\u3001\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\uff09\u3001\u30b9\u30d1\u30e0\u5bfe\u7b56\u3001\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u3001\u985e\u4f3c\u30c9\u30e1\u30a4\u30f3\u3068\u8868\u793a\u540d\u3001\u60aa\u610f\u306e\u3042\u308b\u30de\u30af\u30ed\u3068 PDF\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u9694\u96e2\u3068\u89e3\u653e\u3001\u9001\u4fe1\u30e1\u30fc\u30eb\u306e DKIM \u7f72\u540d\u3001\u9001\u4fe1\u524d\u306e\u53d6\u308a\u6d88\u3057\u3001S\/MIME \u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u5411\u3051\u306e\u9001\u4fe1\u30e1\u30fc\u30eb\u306e S\/MIME \u7f72\u540d\uff08\u304a\u5ba2\u69d8\u304c\u6709\u52b9\u5316\u3057\u9375\u3092\u9810\u3051\u305f\u5834\u5408\u3002\u8a3c\u660e\u66f8\u306e\u63d0\u4f9b\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u3001\u5224\u5b9a\u306e\u96e3\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u306e AI \u306b\u3088\u308b\u5224\u65ad\u3001\u30d8\u30c3\u30c0\u30fc\u3078\u306e\u30b9\u30b3\u30a2\u3068\u7406\u7531\u306e\u8a18\u8f09\u3002<\/li><li><strong>\u30a2\u30c9\u30d0\u30f3\u30b9\u30c8<\/strong>\uff1a\u30a8\u30c3\u30bb\u30f3\u30b7\u30e3\u30eb\u306e\u3059\u3079\u3066\u306b\u52a0\u3048\u3001\u7d4c\u55b6\u8005\u306a\u308a\u3059\u307e\u3057\u8a50\u6b3a\u3068\u91d1\u878d\u8a50\u6b3a\u3001\u30af\u30ea\u30c3\u30af\u6642\u306e\u30ea\u30f3\u30af\u518d\u5206\u6790\u3001\u60aa\u610f\u306e\u3042\u308b HTML \u30d5\u30a1\u30a4\u30eb\u3001DMARC \u30b3\u30f3\u30bd\u30fc\u30eb\u3001SIEM \u3078\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u53ef\u80fd\u306a\u30ed\u30b0\u3002<\/li><\/ul><p>\u30b5\u30fc\u30d3\u30b9\u306f Klytic \u30af\u30e9\u30a6\u30c9\u3001\u5c02\u7528\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3001\u307e\u305f\u306f\u8cb4\u793e\u306e\u30b5\u30fc\u30d0\u30fc\u4e0a\u306b\u5c0e\u5165\u3067\u304d\u307e\u3059\u3002Klytic \u30af\u30e9\u30a6\u30c9\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u63d0\u4f9b\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u3001\u9069\u7528\u3055\u308c\u308b\u6cd5\u57df\u306b\u5bfe\u5fdc\u3059\u308b\u4efb\u610f\u306e\u5730\u57df\uff08\u305f\u3068\u3048\u3070\u6b27\u5dde\u3084\u30e2\u30fc\u30ea\u30b7\u30e3\u30b9\uff09\u3067\u30db\u30b9\u30c8\u3055\u308c\u307e\u3059\u3002\u904b\u7528\u958b\u59cb\u307e\u3067\u306f\u901a\u5e38 24\uff5e48 \u6642\u9593\u3067\u3059\u3002Klytic \u304c\u8a2d\u5b9a\u3092\u6e96\u5099\u3057\u305f\u5f8c\u3001\u8cb4\u793e\u304c\u30c9\u30e1\u30a4\u30f3\u306e MX \u3092\u5909\u66f4\u3059\u308b\u304b\u3001Klytic \u304c\u4ee3\u884c\u3057\u307e\u3059\u3002<\/p><p>Klytic MTA \u304c\u884c\u308f\u306a\u3044\u3053\u3068\uff1a\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3084\u305d\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3001\u6a29\u9650\u3092\u7f6e\u304d\u63db\u3048\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001Klytic MTA \u3092\u7d4c\u7531\u3059\u308b\u30e1\u30fc\u30eb\u3057\u304b\u898b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002Microsoft 365 \u3084\u305d\u306e\u4ed6\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u3064\u3044\u3066\u306f\u3001<a href='\/ja\/protect-existing-email-ja\/'>\u4eca\u304a\u4f7f\u3044\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef143f5 kly-g-disclaimer elementor-widget elementor-widget-text-editor\" data-id=\"ef143f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u672c\u30da\u30fc\u30b8\u306f\u4e00\u822c\u7684\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u8aac\u660e\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u8a2d\u5b9a\u306f\u3001\u304a\u4f7f\u3044\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u30c9\u30e1\u30a4\u30f3\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1ce891 kly-g-sources elementor-widget elementor-widget-text-editor\" data-id=\"d1ce891\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u51fa\u5178<\/h2><p>2026\u5e7410\u6708\u306b\u53c2\u7167\u3002<\/p><ul><li>RFC 5321\u3001Simple Mail Transfer Protocol\uff1aSMTP \u30b5\u30fc\u30d0\u30fc\u306f\u8ee2\u9001\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\uff08MTA\uff09\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u4e2d\u7d99\u30db\u30b9\u30c8\u306f\u4e00\u822c\u306b DNS \u306e MX \u30ec\u30b3\u30fc\u30c9\u306b\u3088\u3063\u3066\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002<a href='https:\/\/www.rfc-editor.org\/rfc\/rfc5321' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>Klytic\u3001Klytic MTA \u306e\u30da\u30fc\u30b8\uff1a\u30a8\u30c3\u30bb\u30f3\u30b7\u30e3\u30eb\u3068\u30a2\u30c9\u30d0\u30f3\u30b9\u30c8\u306e\u5404\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u5c0e\u5165\u5f62\u614b\u3001MX \u306b\u3088\u308b\u904b\u7528\u958b\u59cb\u3001\u30ad\u30e5\u30fc\u3068\u9694\u96e2\u306b\u9650\u5b9a\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4fdd\u5b58\u3002<a href='https:\/\/www.klytic.com\/klytic-mta\/' rel='noopener' target='_blank'>klytic.com<\/a><\/li><li>ANSSI\u3001\u300c10 r\u00e8gles d\u2019or en mati\u00e8re de s\u00e9curit\u00e9 num\u00e9rique\u300d\uff08\u30c7\u30b8\u30bf\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e10\u306e\u9ec4\u91d1\u30eb\u30fc\u30eb\uff09\uff1a\u7b2c6\u306e\u30eb\u30fc\u30eb\u300cProt\u00e9gez votre messagerie \u00e9lectronique\u300d\uff08\u30e1\u30fc\u30eb\u3092\u4fdd\u8b77\u3059\u308b\uff09\u306f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3092\u8aac\u660e\u3057\u3001\u7591\u308f\u3057\u3044\u30ea\u30f3\u30af\u3084\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068\u3001\u5225\u306e\u624b\u6bb5\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3001\u4e8c\u8981\u7d20\u8a8d\u8a3c\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<a href='https:\/\/cyber.gouv.fr\/securisation\/10-regles-or-securite-numerique\/' rel='noopener' target='_blank'>cyber.gouv.fr<\/a><\/li><li>ANSSI\u3001\u300cGuide d\u2019hygi\u00e8ne informatique\u300d\uff08IT \u885b\u751f\u30ac\u30a4\u30c9\uff09\u7b2c2.0\u7248\u30012017\u5e749\u6708\u3001\u5bfe\u7b5624\u300cProt\u00e9ger sa messagerie professionnelle\u300d\uff08\u696d\u52d9\u7528\u30e1\u30fc\u30eb\u306e\u4fdd\u8b77\uff09\uff1a\u300c\u30e1\u30fc\u30eb\u306f\u696d\u52d9\u7528\u7aef\u672b\u3078\u306e\u611f\u67d3\u306e\u4e3b\u8981\u306a\u7d4c\u8def\u3067\u3042\u308b\u300d\uff08\u7ffb\u8a33\uff09\u3002<a href='https:\/\/messervices.cyber.gouv.fr\/documents-guides\/guide_hygiene_informatique_anssi.pdf' rel='noopener' target='_blank'>messervices.cyber.gouv.fr<\/a><\/li><li>ANSSI\u3001MonServiceS\u00e9curis\u00e9\u3001\u5bfe\u7b56\u57fa\u6e96\u3001\u5bfe\u7b56\u300cMettre en \u0153uvre une solution d\u2019anti-spam et d\u2019anti-hame\u00e7onnage\u300d\uff08\u30b9\u30d1\u30e0\u5bfe\u7b56\u30fb\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u5c0e\u5165\uff09\uff1a\u300c\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u975e\u5e38\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u3055\u3089\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u653b\u6483\u306e\u4e3b\u8981\u306a\u7d4c\u8def\u306e\u4e00\u3064\u3067\u3042\u308b\u300d\uff08\u7ffb\u8a33\uff09\u3002<a href='https:\/\/monservicesecurise.cyber.gouv.fr\/referentiel-mesures' rel='noopener' target='_blank'>monservicesecurise.cyber.gouv.fr<\/a><\/li><li>ANSSI\u3001\u300cRecommandations relatives \u00e0 l\u2019interconnexion d\u2019un syst\u00e8me d\u2019information \u00e0 Internet\u300d\uff08\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306b\u95a2\u3059\u308b\u63a8\u5968\u4e8b\u9805\uff09\u3001ANSSI-PA-066\u3001\u7b2c3.0\u7248\u30012020\u5e746\u670819\u65e5\u3001\u7b2c5\u7ae0\u300cS\u00e9curisation du service de messagerie \u00e9lectronique\u300d\uff08\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u78ba\u4fdd\uff09\uff1a\u30e1\u30fc\u30eb\u306f\u300c\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u4e3b\u8981\u306a\u7d4c\u8def\u306e\u4e00\u3064\u3068\u306a\u3063\u305f\u300d\uff08\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3001\u60aa\u610f\u306e\u3042\u308b\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\uff09\u3002\u00a75.2.3\u3001\u30b9\u30d1\u30e0\u5bfe\u7b56\u3068\u60aa\u610f\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u691c\u51fa\u306e\u4ed5\u7d44\u307f\u3092\u300c\u5c0e\u5165\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u300d\uff08\u7ffb\u8a33\uff09\u3002<a href='https:\/\/messervices.cyber.gouv.fr\/guides\/recommandations-relatives-linterconnexion-dun-si-internet' rel='noopener' target='_blank'>messervices.cyber.gouv.fr<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f8b042d e-con-full kly-g-aside e-flex e-con e-parent\" data-id=\"f8b042d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7aa18f elementor-widget elementor-widget-html\" data-id=\"e7aa18f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav class=\"kly-g-toc\" aria-label=\"\u3053\u306e\u30da\u30fc\u30b8\u306e\u5185\u5bb9\"><p>\u3053\u306e\u30da\u30fc\u30b8\u306e\u5185\u5bb9<\/p><ol><\/ol><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-650276b elementor-widget elementor-widget-text-editor\" data-id=\"650276b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"kly-g-cta\"><h3>\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u524d\u6bb5\u306b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u914d\u7f6e\u3059\u308b<\/h3><p>\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5909\u3048\u305a\u306b 30 \u65e5\u9593\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3002<\/p><p><a class=\"kly-g-btn\" href=\"\/ja\/contact\/\">\u62c5\u5f53\u8005\u306b\u76f8\u8ac7\u3059\u308b \u2192<\/a><\/p><p style=\"margin:0\"><a class=\"kly-g-btn ghost\" href=\"\/ja\/klytic-mta\/\">Klytic MTA \u3092\u8a73\u3057\u304f\u898b\u308b<\/a><\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-80a4c77 e-con-full kly-g-related e-flex e-con e-parent\" data-id=\"80a4c77\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8fd5aca elementor-widget elementor-widget-text-editor\" data-id=\"8fd5aca\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u95a2\u9023\u8a18\u4e8b<\/h2><div class=\"kly-g-grid\"><a class=\"kly-g-card\" href=\"\/ja\/protect-existing-email-ja\/\" style=\"--cat:#dc2626\"><span class=\"c\">\u7406\u89e3\u3059\u308b \u00b7 \u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/span><span class=\"t\">\u65e2\u5b58\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b<\/span><span class=\"q\">Microsoft 365\u3001Google Workspace\u3001Exchange\u3002\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5909\u3048\u305a\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u5909\u308f\u308b\u3082\u306e\u3001\u8a2d\u5b9a\u3059\u308b\u4eba\u3001\u305d\u3057\u3066\u9650\u754c\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><span class=\"m\"><span>7 \u5206\u3067\u8aad\u3081\u307e\u3059<\/span><b>\u8aad\u3080 \u2192<\/b><\/span><\/a><a class=\"kly-g-card\" href=\"\/ja\/spam-phishing-malware-compromised-account-ja\/\" style=\"--cat:#dc2626\"><span class=\"c\">\u7406\u89e3\u3059\u308b \u00b7 \u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/span><span class=\"t\">\u30b9\u30d1\u30e0\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u4fb5\u5bb3<\/span><span class=\"q\">\u56db\u3064\u306e\u8105\u5a01\u306f\u540c\u3058\u5165\u53e3\u304b\u3089\u5c4a\u304d\u307e\u3059\u304c\u3001\u5bfe\u51e6\u6cd5\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u3092\u898b\u629c\u304f\u624b\u304c\u304b\u308a\u3001\u98df\u3044\u6b62\u3081\u308b\u65b9\u6cd5\u3001\u305d\u3057\u3066\u30b9\u30d1\u30e0\u5bfe\u7b56\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u306b\u306a\u3063\u305f\u7406\u7531\u3002<\/span><span class=\"m\"><span>6 \u5206\u3067\u8aad\u3081\u307e\u3059<\/span><b>\u8aad\u3080 \u2192<\/b><\/span><\/a><a class=\"kly-g-card\" href=\"\/ja\/quarantine-false-positives-ja\/\" style=\"--cat:#dc2626\"><span class=\"c\">\u6d3b\u7528\u3059\u308b \u00b7 \u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/span><span class=\"t\">\u9694\u96e2\u3001\u8aa4\u691c\u77e5\u3001\u5831\u544a<\/span><span class=\"q\">Klytic MTA\u306b\u6b62\u3081\u3089\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3069\u3046\u306a\u308b\u306e\u304b\u3001\u305d\u306e\u89e3\u653e\u65b9\u6cd5\u3001\u8aa4\u691c\u77e5\u306e\u4fee\u6b63\u65b9\u6cd5\u3001\u60aa\u610f\u306e\u3042\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5831\u544a\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><span class=\"m\"><span>6 \u5206\u3067\u8aad\u3081\u307e\u3059<\/span><b>\u8aad\u3080 \u2192<\/b><\/span><\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-47ba7642 e-con e-atomic-element e-div-block-base e-default-div e-47ba7642-0a8d8cb \" data-id=\"47ba7642\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"47ba7642\" data-e-type=\"e-div-block\" data-id=\"47ba7642\">\n    <div class=\"elementor-element 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data-id=\"6661c7ce\">\u5951\u7d04\u4e0d\u8981\u306e\u30c8\u30e9\u30a4\u30a2\u30eb\u3067\u3059\u3002\u62c5\u5f53\u8005\u304c\u3054\u9023\u7d61\u3057\u3001\u3054\u8981\u671b\u3092\u4f3a\u3063\u3066Klytic\u74b0\u5883\u3092\u3054\u7528\u610f\u3057\u307e\u3059\u3002<\/p>\n\t\t<div class=\"elementor-element elementor-element-761c01f e-con e-atomic-element e-div-block-base e-default-div e-761c01f-cf11a99 \" data-id=\"761c01f\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"761c01f\" data-e-type=\"e-div-block\" data-id=\"761c01f\">\n    \t\t\t<a href=\"https:\/\/www.klytic.com\/ja\/30-day-free-trial\/\" target=\"_self\" class=\"e-2f43419f-52885cf e-button-base e-default-a\" data-interaction-id=\"2f43419f\" data-e-type=\"widget\" data-id=\"2f43419f\">\n\t\ud83d\ude80 \u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u59cb\u3081\u308b\n<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.klytic.com\/ja\/pricing\/\" target=\"_self\" class=\"e-31327e4d-45bbc1a e-button-base e-default-a\" data-interaction-id=\"31327e4d\" data-e-type=\"widget\" data-id=\"31327e4d\">\n\t\u6599\u91d1\u3092\u898b\u308b\n<\/a>\n\t\t\n<\/div>\n\n<\/div>\n\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_seopress_titles_title":"\u5185\u8535\u30d5\u30a3\u30eb\u30bf\u30fc\u304b\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304b | Klytic","_seopress_titles_desc":"\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u5185\u8535\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u304b\u3001\u524d\u6bb5\u306b\u7f6e\u304f SMTP \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304b\u3002\u914d\u4fe1\u524d\u3068\u914d\u4fe1\u5f8c\u306e\u5206\u6790\u3001\u30e1\u30fc\u30eb\u306e\u7d4c\u8def\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u4fdd\u6301\u3059\u308b\u60c5\u5831\u3002","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"\u5185\u8535\u30d5\u30a3\u30eb\u30bf\u30fc\u304b\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304b | Klytic","_seopress_social_fb_desc":"\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u5185\u8535\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u304b\u3001\u524d\u6bb5\u306b\u7f6e\u304f SMTP 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