{"id":5218,"date":"2026-10-12T12:58:37","date_gmt":"2026-10-12T10:58:37","guid":{"rendered":"https:\/\/www.klytic.com\/protect-existing-email\/"},"modified":"2026-10-12T14:45:23","modified_gmt":"2026-10-12T12:45:23","slug":"protect-existing-email-ja","status":"publish","type":"page","link":"https:\/\/www.klytic.com\/ja\/protect-existing-email-ja\/","title":{"rendered":"\u65e2\u5b58\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"5218\" class=\"elementor elementor-5218 elementor-4320\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4aeceea e-con-full kly-g e-flex e-con e-parent\" data-id=\"4aeceea\" 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-46f1d88 e-con-full kly-g-hero e-flex e-con e-parent\" data-id=\"46f1d88\" 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-115a1f8 e-con-full kly-g-hero-in e-flex e-con e-parent\" data-id=\"115a1f8\" 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-8d6ca09 elementor-widget elementor-widget-text-editor\" data-id=\"8d6ca09\" 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-90ebe28 elementor-widget elementor-widget-heading\" data-id=\"90ebe28\" 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\">\u65e2\u5b58\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bff78d4 elementor-widget elementor-widget-text-editor\" data-id=\"bff78d4\" 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\">\u306f\u3044\u3002\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5909\u3048\u305a\u306b\u3001Microsoft 365\u3001Google Workspace\u3001Exchange\u3001\u305d\u306e\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u4fdd\u8b77\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306eMX\u304c\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u6307\u3057\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u30e1\u30fc\u30eb\u3092\u5206\u6790\u3057\u3066\u304b\u3089\u73fe\u5728\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u914d\u4fe1\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u81ea\u5206\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3092\u305d\u306e\u307e\u307e\u4f7f\u3048\u307e\u3059\u3002DNS\u306e\u7ba1\u7406\u62c5\u5f53\u8005\u3068\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u8005\u304c\u3001\u305d\u308c\u305e\u308c1\u3064\u305a\u3064\u8a2d\u5b9a\u3092\u884c\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-785c2ef elementor-widget elementor-widget-text-editor\" data-id=\"785c2ef\" 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-c618a0d e-con-full kly-g-body e-flex e-con e-parent\" data-id=\"c618a0d\" 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-e495480 e-con-full kly-g-article e-flex e-con e-parent\" data-id=\"e495480\" 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-7fe3f13 elementor-widget elementor-widget-text-editor\" data-id=\"7fe3f13\" 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>\u6c7a\u5b9a\u4e8b\u9805\uff1a\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306f\u305d\u306e\u307e\u307e\u3001MX\u3092\u5909\u66f4\u3059\u308b<\/h2>\n<p>\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u5909\u66f4\u3068\u4fdd\u8b77\u306e\u5909\u66f4\u306f\u3001\u5225\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u524d\u8005\u3067\u306f\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3001\u5c65\u6b74\u3001\u4e88\u5b9a\u8868\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u4e0a\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u79fb\u3057\u307e\u3059\u3002\u5f8c\u8005\u304c\u5909\u3048\u308b\u306e\u306f\u3001\u53d7\u4fe1\u30e1\u30fc\u30eb\u306e\u7d4c\u8def\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u7d4c\u8def\u306f\u3001MX\u3068\u3044\u30461\u3064\u306eDNS\u30ec\u30b3\u30fc\u30c9\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002MX\u306f\u3001\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u5b9b\u3066\u306e\u30e1\u30fc\u30eb\u3092\u3069\u3053\u306b\u914d\u4fe1\u3059\u308b\u304b\u3092\u9001\u4fe1\u5074\u30b5\u30fc\u30d0\u30fc\u306b\u793a\u3057\u307e\u3059\u3002MX\u304c\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u6307\u3057\u3066\u3044\u308c\u3070\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u53d7\u4fe1\u3057\u3001\u5206\u6790\u3057\u305f\u3046\u3048\u3067\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u6e21\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u6b21\u306e\u3044\u305a\u308c\u306b\u3082\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>Microsoft 365\uff08Exchange Online\uff09<\/li>\n<li>Google Workspace<\/li>\n<li>\u81ea\u793e\u8a2d\u7f6e\u307e\u305f\u306f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306eExchange<\/li>\n<li>SMTP\u3067\u53d7\u4fe1\u3059\u308b\u305d\u306e\u4ed6\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc<\/li>\n<li>Klytic Mail\uff08\u6570\u3042\u308b\u30b1\u30fc\u30b9\u306e1\u3064\u306b\u3059\u304e\u305a\u3001\u524d\u63d0\u6761\u4ef6\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09<\/li>\n<\/ul>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u306f\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3092\u305d\u306e\u307e\u307e\u4f7f\u3046\u30b1\u30fc\u30b9\u3092\u6271\u3044\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u3082\u5909\u66f4\u3059\u308b\u5834\u5408\u306f\u3001<a href='\/ja\/migrate-from-microsoft-365\/'>Microsoft 365\u304b\u3089\u306e\u79fb\u884c<\/a>\u3068<a href='\/ja\/migrate-from-google-workspace\/'>Google Workspace\u304b\u3089\u306e\u79fb\u884c<\/a>\u306e\u30ac\u30a4\u30c9\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-8b544e2 elementor-widget elementor-widget-text-editor\" data-id=\"8b544e2\" 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>\u8ab0\u304c\u4f55\u3092\u5909\u66f4\u3059\u308b\u304b<\/h2>\n<div class=\"kly-table\"><table><thead><tr><th>\u8a2d\u5b9a<\/th><th>\u5834\u6240<\/th><th>\u62c5\u5f53\u8005<\/th><\/tr><\/thead><tbody>\n<tr><td>\u30c9\u30e1\u30a4\u30f3\u306eMX\u30ec\u30b3\u30fc\u30c9<\/td><td>\u30ec\u30b8\u30b9\u30c8\u30e9\u3084DNS\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u4e8b\u696d\u8005\u306eDNS\u30be\u30fc\u30f3<\/td><td>DNS\u306e\u7ba1\u7406\u62c5\u5f53\u8005\u3001\u307e\u305f\u306f\u305d\u306e\u59d4\u4efb\u3092\u53d7\u3051\u305f\u59d4\u8a17\u5148<\/td><\/tr>\n<tr><td>\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u767b\u9332<\/td><td>Microsoft 365\u3001Google Workspace\u3001\u307e\u305f\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u30b3\u30f3\u30bd\u30fc\u30eb<\/td><td>\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u8005<\/td><\/tr>\n<tr><td>SPF\u3001DKIM\u3001DMARC<\/td><td>DNS\u30be\u30fc\u30f3<\/td><td>DNS\u306e\u7ba1\u7406\u62c5\u5f53\u8005\uff08\u30c9\u30e1\u30a4\u30f3\u540d\u7fa9\u3067\u9001\u4fe1\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u6d17\u3044\u51fa\u3057\u305f\u5f8c\uff09<\/td><\/tr>\n<tr><td>\u30c9\u30e1\u30a4\u30f3\u3068\u914d\u4fe1\u5148\u30b5\u30fc\u30d0\u30fc<\/td><td>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/td><td>\u8a2d\u5b9a\u3092\u6e96\u5099\u3059\u308b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u63d0\u4f9b\u4e8b\u696d\u8005<\/td><\/tr>\n<\/tbody><\/table><\/div>\n<h3>Microsoft 365\u5074\u306e\u8003\u3048\u65b9<\/h3>\n<p>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u308b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306b\u95a2\u3059\u308bMicrosoft\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u660e\u78ba\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306eMX\u306f\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u6307\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u304c\u305d\u306e\u5f8cExchange Online\u306b\u914d\u4fe1\u3057\u307e\u3059\u3002Microsoft\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u3092\u7d4c\u7531\u305b\u305a\u306b\u5c4a\u3044\u305f\u30e1\u30fc\u30eb\u3092\u62d2\u5426\u3067\u304d\u308b\u300c\u30d1\u30fc\u30c8\u30ca\u30fc\u300d\u578b\u306e\u53d7\u4fe1\u30b3\u30cd\u30af\u30bf\u30fc\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u72ec\u81ea\u306e\u5206\u6790\u304c\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u306a\u304f\u672c\u5f53\u306e\u9001\u4fe1\u8005\u3092\u8a55\u4fa1\u3059\u308b\u3088\u3046\u3001\u30b3\u30cd\u30af\u30bf\u30fc\u306e\u62e1\u5f35\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3082\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u3064\u3044\u3066\u5358\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u30d0\u30a4\u30d1\u30b9\u3059\u308b\u3053\u3068\u306f\u63a8\u5968\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h3>Google Workspace\u5074\u306e\u8003\u3048\u65b9<\/h3>\n<p>Google\u306f\u300c\u53d7\u4fe1\u30e1\u30fc\u30eb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u300d\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002MX\u304c\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u6307\u3057\u3001\u7ba1\u7406\u8005\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u305d\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u767b\u9332\u3057\u307e\u3059\u3002Gmail\u306f\u3053\u308c\u3092\u5229\u7528\u3057\u3066\u3001\u30d8\u30c3\u30c0\u30fc\u304b\u3089\u9001\u4fe1\u8005\u306e\u5b9f\u969b\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002SPF\u3068Gmail\u306e\u30b9\u30d1\u30e0\u8a55\u4fa1\u306f\u3001\u3053\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u7d4c\u7531\u3057\u306a\u3044\u30e1\u30fc\u30eb\u3092\u62d2\u5426\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002Google\u306f\u3001\u767b\u9332\u3055\u308c\u305f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u7d4c\u7531\u3067\u53d7\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306b\u306f\u9001\u4fe1\u8005\u306eDMARC\u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3057\u306a\u3044\u3068\u660e\u8a18\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u3053\u306e\u30c1\u30a7\u30c3\u30af\u306f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5f79\u5272\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u306e\u753b\u9762\u306f\u5909\u308f\u308b\u305f\u3081\u3001\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u518d\u73fe\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u8a2d\u5b9a\u306e\u969b\u306f\u3001\u30da\u30fc\u30b8\u4e0b\u90e8\u306b\u6319\u3052\u305f\u516c\u5f0f\u30da\u30fc\u30b8\u306b\u5f93\u3063\u3066\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-91f6c8a elementor-widget elementor-widget-text-editor\" data-id=\"91f6c8a\" 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>1\u3064\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5f8c\u308d\u306b\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc<\/h2>\n<p>\u30b0\u30eb\u30fc\u30d7\u4f01\u696d\u3067\u3088\u304f\u3042\u308b\u30b1\u30fc\u30b9\u3067\u3059\u3002\u89aa\u4f1a\u793e\u306fMicrosoft 365\u3001\u5b50\u4f1a\u793e\u306fGoogle Workspace\u30013\u793e\u76ee\u306f\u5f93\u6765\u306e\u30b5\u30fc\u30d0\u30fc\u3002\u3053\u306e3\u3064\u306e\u524d\u6bb5\u306b\u30011\u3064\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u7f6e\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ed5\u7d44\u307f\u306f\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u3059\u3002\u5404\u30c9\u30e1\u30a4\u30f3\u306eMX\u304c\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u6307\u3057\u307e\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u3001\u5206\u6790\u5f8c\u306b\u30e1\u30fc\u30eb\u3092\u6e21\u3059\u30b5\u30fc\u30d0\u30fc\u3092\u628a\u63e1\u3057\u3066\u3044\u307e\u3059\u3002\u5206\u6790\u306f\u5171\u901a\u3067\u3001\u914d\u4fe1\u5148\u3060\u3051\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30ea\u30c3\u30c8\uff1a\u540c\u3058\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u30dd\u30ea\u30b7\u30fc\u3001\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u7570\u306a\u308b\u8a2d\u5b9a\u3092\u9069\u7528\u3067\u304d\u3001\u3059\u3079\u3066\u306e\u5224\u5b9a\u30921\u304b\u6240\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u6e96\u5099\u304c\u5fc5\u8981\u306a\u70b9\uff1a\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c2\u3064\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5206\u304b\u308c\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u5834\u5408\u306f\u3001\u30a2\u30c9\u30ec\u30b9\u3054\u3068\u306b\u914d\u4fe1\u5148\u3092\u628a\u63e1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30b1\u30fc\u30b9\u306f\u5207\u308a\u66ff\u3048\u524d\u306b\u691c\u8a0e\u3057\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-5a5e8e5 elementor-widget elementor-widget-text-editor\" data-id=\"5a5e8e5\" 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>\u5909\u308f\u308b\u3082\u306e\u3068\u5909\u308f\u3089\u306a\u3044\u3082\u306e<\/h2>\n<p><strong>\u5909\u308f\u3089\u306a\u3044\u3082\u306e<\/strong>\uff1a\u30a2\u30c9\u30ec\u30b9\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3001\u5c65\u6b74\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3001Web\u30e1\u30fc\u30eb\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3002\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u30d5\u30a3\u30eb\u30bf\u30fc\u3082\u5f15\u304d\u7d9a\u304d\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30a2\u30af\u30bb\u30b9\u6a29\u3084\u793e\u5185\u306e\u5171\u6709\u8a2d\u5b9a\u3082\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u3082\u306e\u306e\u307e\u307e\u3067\u3059\u3002<\/p>\n<p><strong>\u5909\u308f\u308b\u3082\u306e<\/strong>\uff1a<\/p>\n<ul>\n<li>\u30e1\u30fc\u30eb\u3092\u6700\u521d\u306b\u53d7\u4fe1\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3002\u5143\u306e\u63a5\u7d9a\u3092\u898b\u3066\u3001\u9001\u4fe1\u8005\u306e\u8a8d\u8a3c\u3092\u691c\u8a3c\u3059\u308b\u306e\u306f\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306f\u3001\u9001\u4fe1\u8005\u304c\u76f4\u63a5\u898b\u3048\u306a\u304f\u306a\u308a\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u898b\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u524d\u8ff0\u306e\u767b\u9332\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u306f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5224\u5b9a\u30d8\u30c3\u30c0\u30fc\u304c\u4ed8\u304d\u307e\u3059\u3002\u7ba1\u7406\u8005\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u914d\u4fe1\u3055\u308c\u305f\u7406\u7531\u3084\u4fdd\u7559\u3055\u308c\u305f\u7406\u7531\u3092\u305d\u3053\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u9001\u4fe1\u30e1\u30fc\u30eb\u3082\u4e2d\u7d99\u3059\u308b\u5834\u5408\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3067\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8a31\u53ef\u3057\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u7528\u306eDKIM\u7f72\u540d\u3092\u516c\u958b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4ed5\u7d44\u307f\u306e\u610f\u5473\u306f<a href='\/ja\/spf-dkim-dmarc-ja\/'>SPF\u3001DKIM\u3001DMARC<\/a>\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u5c06\u6765\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30b5\u30fc\u30d0\u30fc\u3082\u5909\u66f4\u3059\u308b\u5834\u5408\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u305d\u306e\u307e\u307e\u4f7f\u3044\u7d9a\u3051\u3089\u308c\u307e\u3059\u3002\u5909\u308f\u308b\u306e\u306f\u914d\u4fe1\u5148\u30b5\u30fc\u30d0\u30fc\u3060\u3051\u3067\u3059\u3002\u305d\u306e\u969b\u306f\u3001SPF\u3001DKIM\u3001DMARC\u3092\u542b\u3081\u3001<a href='\/ja\/migrate-email-without-downtime\/'>\u30e1\u30fc\u30eb\u3092\u4e2d\u65ad\u306a\u304f\u79fb\u884c\u3059\u308b\u65b9\u6cd5<\/a>\u306e\u30ac\u30a4\u30c9\u304c\u53c2\u8003\u306b\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-d7df075 elementor-widget elementor-widget-text-editor\" data-id=\"d7df075\" 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>\u5c0e\u5165\u306e\u624b\u9806<\/h2>\n<ol>\n<li>\u6d17\u3044\u51fa\u3057\uff1a\u30c9\u30e1\u30a4\u30f3\u3001\u5404\u30c9\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30b5\u30fc\u30d0\u30fc\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u7fa9\u3067\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3002<\/li>\n<li>\u63d0\u4f9b\u4e8b\u696d\u8005\u306b\u3088\u308b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u6e96\u5099\uff1a\u53d7\u3051\u4ed8\u3051\u308b\u30c9\u30e1\u30a4\u30f3\u3001\u914d\u4fe1\u5148\u30b5\u30fc\u30d0\u30fc\u3001\u521d\u671f\u30eb\u30fc\u30eb\u3002<\/li>\n<li>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u767b\u9332\uff08\u53d7\u4fe1\u30b3\u30cd\u30af\u30bf\u30fc\u307e\u305f\u306f\u53d7\u4fe1\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\uff09\u3002<\/li>\n<li>MX\u306eTTL\u3092\u4e8b\u524d\u306b\u4e0b\u3052\u3066\u304b\u3089\u3001MX\u3092\u5909\u66f4\u3002DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6b8b\u3063\u3066\u3044\u308b\u9593\u306f\u3001\u4e00\u90e8\u306e\u9001\u4fe1\u8005\u304c\u5f15\u304d\u7d9a\u304d\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u914d\u4fe1\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u6b63\u5e38\u3067\u3059\u3002<\/li>\n<li>\u78ba\u8a8d\uff1a\u5916\u90e8\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u9001\u4fe1\u3057\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5224\u5b9a\u30d8\u30c3\u30c0\u30fc\u304c\u4ed8\u3044\u3066\u3044\u308b\u3053\u3068\u3002<\/li>\n<li>\u6700\u521d\u306e\u6570\u65e5\u9593\u306f\u9694\u96e2\u3092\u76e3\u8996\u3057\u3001\u8aa4\u691c\u77e5\u3092\u89e3\u653e\u3057\u3066\u30eb\u30fc\u30eb\u3092\u8abf\u6574\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u5207\u308a\u623b\u3057\u306f\u7c21\u5358\u3067\u3059\u3002\u5143\u306eMX\u306b\u623b\u3059\u3060\u3051\u3067\u3059\u3002\u79fb\u884c\u3068\u540c\u69d8\u306b\u3001\u5224\u65ad\u6a29\u9650\u3092\u6301\u3064\u62c5\u5f53\u8005\u3092\u6c7a\u3081\u3066\u6e96\u5099\u3057\u3066\u304a\u304d\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-b10f009 elementor-widget elementor-widget-text-editor\" data-id=\"b10f009\" 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\u884c\u308f\u306a\u3044\u3053\u3068<\/h2>\n<p>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u898b\u308b\u306e\u306f\u3001\u305d\u3053\u3092\u901a\u904e\u3059\u308b\u30e1\u30fc\u30eb\u3060\u3051\u3067\u3059\u3002\u540c\u3058\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5185\u306e2\u3064\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u9593\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u3001\u5916\u90e8\u306b\u51fa\u306a\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30ec\u30fc\u30b8\u3067\u5171\u6709\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u306f\u898b\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001Microsoft 365\u3084Google Workspace\u306e\u5185\u90e8\u8a2d\u5b9a\uff08\u30a2\u30af\u30bb\u30b9\u6a29\u3001\u4e8c\u8981\u7d20\u8a8d\u8a3c\u3001\u30ed\u30b0\u30a4\u30f3\u30a2\u30e9\u30fc\u30c8\u3001\u81ea\u52d5\u8ee2\u9001\u30eb\u30fc\u30eb\uff09\u306e\u4ee3\u308f\u308a\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u76d7\u307e\u308c\u305f\u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u3001\u307e\u305a\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u5074\u306e\u554f\u984c\u3067\u3059\u3002\u305d\u306e\u5207\u308a\u5206\u3051\u306f<a href='\/ja\/spam-phishing-malware-compromised-account-ja\/'>\u30b9\u30d1\u30e0\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3001\u4fb5\u5bb3\u3055\u308c\u305f\u30a2\u30ab\u30a6\u30f3\u30c8<\/a>\u3067\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u6280\u8853\u7684\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u3063\u3066\u3044\u308b\u9001\u4fe1\u8005\u306f\u3001MX\u3092\u7d4c\u7531\u305b\u305a\u306b\u76f4\u63a5\u914d\u4fe1\u3057\u3088\u3046\u3068\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002Microsoft\uff08\u30d1\u30fc\u30c8\u30ca\u30fc\u30b3\u30cd\u30af\u30bf\u30fc\uff09\u3068Google\uff08\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u7d4c\u7531\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u306e\u62d2\u5426\uff09\u304c\u63d0\u4f9b\u3059\u308b\u30ed\u30c3\u30af\u306f\u3001\u3053\u306e\u305f\u3081\u306e\u3082\u306e\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-75e7ab7 elementor-widget elementor-widget-text-editor\" data-id=\"75e7ab7\" 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>\n<h3>\u30e6\u30fc\u30b6\u30fc\u306b\u4e8b\u524d\u306b\u77e5\u3089\u305b\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u30a2\u30c9\u30ec\u30b9\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u9694\u96e2\u901a\u77e5\u3092\u53d7\u3051\u53d6\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306f\u4f1d\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\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>\n<h3>Microsoft 365\u3084Google\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u7121\u52b9\u306b\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u3044\u3044\u3048\u3002Microsoft\u306f\u3001\u72ec\u81ea\u306e\u5206\u6790\u3092\u30d0\u30a4\u30d1\u30b9\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u6709\u52b9\u306e\u307e\u307e\u672c\u5f53\u306e\u9001\u4fe1\u8005\u3092\u8a55\u4fa1\u3067\u304d\u308b\u3088\u3046\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u5207\u308a\u66ff\u3048\u306b\u306f\u3069\u306e\u304f\u3089\u3044\u306e\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>MX\u306e\u5909\u66f4\u81ea\u4f53\u306f\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u66f4\u65b0\u306b\u5fdc\u3058\u3066\u53cd\u6620\u3055\u308c\u307e\u3059\u3002\u6e96\u5099\u671f\u9593\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u6570\u306b\u3088\u308a\u307e\u3059\u3002Klytic MTA\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u524d\u6bb5\u306b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u7f6e\u304f\u3068\u3001\u81ea\u793e\u304b\u3089\u306e\u9001\u4fe1\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u306f\u5909\u308f\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u9001\u4fe1\u30e1\u30fc\u30eb\u3082\u4e2d\u7d99\u3059\u308b\u5834\u5408\u306b\u9650\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001SPF\u3068DKIM\u3067\u305d\u308c\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<a href='\/ja\/spf-dkim-dmarc-ja\/'>SPF\u3001DKIM\u3001DMARC<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u3044\u3063\u305d\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5909\u3048\u3066\u3057\u307e\u3063\u3066\u306f\u3069\u3046\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u305d\u308c\u306f\u5225\u306e\u5224\u65ad\u57fa\u6e96\u3092\u4f34\u3046\u5225\u306e\u6c7a\u5b9a\u3067\u3059\u3002<a href='\/ja\/european-business-email\/'>\u6b27\u5dde\u306e\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u306e\u9078\u3073\u65b9<\/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-e0c5658 kly-g-klytic elementor-widget elementor-widget-text-editor\" data-id=\"e0c5658\" 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>\n<p><a href='\/ja\/klytic-mta\/'>Klytic MTA<\/a>\u306f\u3001Microsoft 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\u306e\u524d\u6bb5\u306b\u7f6e\u304b\u308c\u307e\u3059\u3002Klytic\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306f\u524d\u63d0\u3068\u3057\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li><strong>\u7a3c\u50cd\u958b\u59cb<\/strong>\uff1a\u901a\u5e3824\uff5e48\u6642\u9593\u3002Klytic\u304c\u8a2d\u5b9a\u3092\u6e96\u5099\u3057\u3001\u304a\u5ba2\u69d8\u304c\u30c9\u30e1\u30a4\u30f3\u306eMX\u30ec\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3057\u307e\u3059\uff08Klytic\u304c\u4ee3\u884c\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\uff09\u3002Microsoft 365\u307e\u305f\u306fGoogle Workspace\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u3078\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u767b\u9332\u306f\u3001\u305d\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u8005\u304c\u884c\u3044\u3001\u7a3c\u50cd\u958b\u59cb\u6642\u306bKlytic\u3068\u4e00\u7dd2\u306b\u6e96\u5099\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5c0e\u5165\u5f62\u614b<\/strong>\uff1aKlytic\u30af\u30e9\u30a6\u30c9\u3001\u5c02\u7528\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3001\u307e\u305f\u306f\u304a\u5ba2\u69d8\u306e\u30b5\u30fc\u30d0\u30fc\u3002\u7279\u5225\u306a\u8981\u4ef6\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30af\u30e9\u30a6\u30c9\u3067\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3068\u81ea\u793e\u5185\u306b\u8a2d\u7f6e\u3057\u305f\u30ea\u30ec\u30fc\u306e\u7d44\u307f\u5408\u308f\u305b\u3084\u3001\u8907\u6570\u30ea\u30fc\u30b8\u30e7\u30f3\u306a\u3069\u3001\u5225\u306e\u69cb\u6210\u3092Klytic\u3068\u4e00\u7dd2\u306b\u8a2d\u8a08\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30d7\u30e9\u30f3<\/strong>\uff1a\u30a8\u30c3\u30bb\u30f3\u30b7\u30e3\u30eb\u3068\u30a2\u30c9\u30d0\u30f3\u30b9\u30c8\u3002\u30a8\u30c3\u30bb\u30f3\u30b7\u30e3\u30eb\u306f\u3001\u8a8d\u8a3c\u3001\u30b9\u30d1\u30e0\u5bfe\u7b56\u3001\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3001\u985e\u4f3c\u30c9\u30e1\u30a4\u30f3\u3001\u9694\u96e2\u3001\u9001\u4fe1\u30e1\u30fc\u30eb\u306eDKIM\u7f72\u540d\u3001\u9001\u4fe1\u524d\u306e\u53d6\u308a\u6d88\u3057\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002\u30a2\u30c9\u30d0\u30f3\u30b9\u30c8\u3067\u306f\u3001\u91d1\u878d\u8a50\u6b3a\u5bfe\u7b56\u3001\u30af\u30ea\u30c3\u30af\u6642\u306e\u4fdd\u8b77\u3001DMARC\u30b3\u30f3\u30bd\u30fc\u30eb\u3001SIEM\u3078\u306e\u30ed\u30b0\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u304c\u52a0\u308f\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30c8\u30e9\u30a4\u30a2\u30eb<\/strong>\uff1a30\u65e5\u9593\u7121\u6599\u3002\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<p>Klytic MTA\u306f\u3001\u73fe\u5728\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3084\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u7ba1\u7406\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001Microsoft 365\u3084Google Workspace\u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3068\u540c\u7b49\u3067\u3042\u308b\u3053\u3068\u3092\u7d04\u675f\u3059\u308b\u3082\u306e\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3089\u306e\u524d\u6bb5\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3082\u306e\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-e43ae1a kly-g-disclaimer elementor-widget elementor-widget-text-editor\" data-id=\"e43ae1a\" 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>\u3053\u306e\u30da\u30fc\u30b8\u306f\u8003\u3048\u65b9\u3092\u8aac\u660e\u3059\u308b\u3082\u306e\u3067\u3059\u3002Microsoft\u3084Google\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u306f\u5909\u308f\u308b\u305f\u3081\u3001\u5177\u4f53\u7684\u306a\u64cd\u4f5c\u306b\u3064\u3044\u3066\u306f\u5404\u793e\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u512a\u5148\u3057\u3066\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-d75b53b kly-g-sources elementor-widget elementor-widget-text-editor\" data-id=\"d75b53b\" 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>Microsoft Learn\u3001\u300cManage mail flow using a third-party cloud service with Exchange Online\u300d\uff08\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3057\u305fExchange Online\u306e\u30e1\u30fc\u30eb\u30d5\u30ed\u30fc\u7ba1\u7406\uff09\uff1aMX\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u3092\u6307\u3059\u5fc5\u8981\u304c\u3042\u308b\u3002\u30d1\u30fc\u30c8\u30ca\u30fc\u578b\u306e\u53d7\u4fe1\u30b3\u30cd\u30af\u30bf\u30fc\u3002\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u30d0\u30a4\u30d1\u30b9\u3067\u306f\u306a\u304f\u30b3\u30cd\u30af\u30bf\u30fc\u306e\u62e1\u5f35\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3002<a href='https:\/\/learn.microsoft.com\/en-us\/exchange\/mail-flow-best-practices\/manage-mail-flow-using-third-party-cloud' rel='noopener' target='_blank'>learn.microsoft.com<\/a><\/li><li>Google Workspace\u30d8\u30eb\u30d7\u3001\u300cSet up an inbound mail gateway\u300d\uff08\u53d7\u4fe1\u30e1\u30fc\u30eb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u8a2d\u5b9a\uff09\uff1aMX\u3092\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u5411\u3051\u308b\u3001\u305d\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u767b\u9332\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u7d4c\u7531\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u306e\u62d2\u5426\u304c\u53ef\u80fd\u3002Gmail\u306f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u7d4c\u7531\u3067\u53d7\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306b\u9001\u4fe1\u8005\u306eDMARC\u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3057\u306a\u3044\u3002<a href='https:\/\/knowledge.workspace.google.com\/admin\/gmail\/advanced\/set-up-an-inbound-mail-gateway' rel='noopener' target='_blank'>knowledge.workspace.google.com<\/a><\/li><li>RFC 5321\u3001SMTP\uff1a\u4e2d\u7d99\u30db\u30b9\u30c8\u306f\u901a\u5e38\u3001DNS\u306eMX\u30ec\u30b3\u30fc\u30c9\u306b\u3088\u3063\u3066\u6307\u5b9a\u3055\u308c\u308b\u3002<a href='https:\/\/www.rfc-editor.org\/rfc\/rfc5321' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>Klytic\u3001Klytic MTA\u30da\u30fc\u30b8\uff1a\u30a8\u30c3\u30bb\u30f3\u30b7\u30e3\u30eb\u3068\u30a2\u30c9\u30d0\u30f3\u30b9\u30c8\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u5c0e\u5165\u5f62\u614b\u3001MX\u306b\u3088\u308b\u7a3c\u50cd\u958b\u59cb\u3002<a href='https:\/\/www.klytic.com\/klytic-mta\/' rel='noopener' target='_blank'>klytic.com<\/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-863c434 e-con-full kly-g-aside e-flex e-con e-parent\" data-id=\"863c434\" 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-50b36da elementor-widget elementor-widget-html\" data-id=\"50b36da\" 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-19baa1f elementor-widget elementor-widget-text-editor\" data-id=\"19baa1f\" 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>\u73fe\u5728\u306e\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b<\/h3><p>30\u65e5\u9593\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3002\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306f\u305d\u306e\u307e\u307e\u3067\u3001\u5909\u308f\u308b\u306e\u306fMX\u3060\u3051\u3067\u3059\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-5329e21 e-con-full kly-g-related e-flex e-con e-parent\" data-id=\"5329e21\" 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-761e81e elementor-widget elementor-widget-text-editor\" data-id=\"761e81e\" 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\/email-security-gateway-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\">\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<\/span><span class=\"q\">\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u5b88\u308b\u306e\u306f\u305d\u306e\u30b7\u30b9\u30c6\u30e0\u3060\u3051\u3067\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u30c9\u30e1\u30a4\u30f3\u5b9b\u306e\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308a\u3001\u5206\u6790\u3057\u3066\u304b\u3089\u914d\u9001\u3057\u307e\u3059\u3002\u914d\u7f6e\u5834\u6240\u3068\u4fdd\u6301\u3059\u308b\u60c5\u5831\u306b\u3064\u3044\u3066\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\/spf-dkim-dmarc-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\">SPF\u3001DKIM\u3001DMARC\uff1a\u4f55\u3092\u5b88\u308a\u3001\u4f55\u3092\u5b88\u3089\u306a\u3044\u306e\u304b<\/span><span class=\"q\">SPF\u3001DKIM\u3001DMARC\u306f\u3001\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u305d\u306e\u3082\u306e\u306e\u4e0d\u6b63\u5229\u7528\u3092\u9632\u304e\u307e\u3059\u3002\u672c\u6587\u306f\u8aad\u307f\u307e\u305b\u3093\u3002\u4f55\u3092\u6b62\u3081\u3001\u4f55\u3092\u901a\u3057\u3001\u3069\u3046\u5c0e\u5165\u3059\u308b\u306e\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\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\/migrate-email-without-downtime\/\" style=\"--cat:#0077cc\"><span class=\"c\">\u30ac\u30a4\u30c9<\/span><span class=\"t\">\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u3092\u4e2d\u65ad\u305b\u305a\u306b\u79fb\u884c\u3059\u308b\u306b\u306f<\/span><span class=\"q\">\u4f75\u5b58\u30012\u56de\u76ee\u306e\u30b3\u30d4\u30fc\u3001MX\u306eTTL\u3001SPF\u3001DKIM\u3001DMARC\u3001\u9001\u4fe1\u30c6\u30b9\u30c8\u3002\u30e1\u30fc\u30eb\u3092\u5931\u308f\u305a\u306b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u5207\u308a\u66ff\u3048\u308b\u65b9\u6cd5\u3068\u3001\u305d\u308c\u3067\u3082\u76ee\u306b\u898b\u3048\u308b\u5909\u5316\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><span class=\"m\"><span>\u30ac\u30a4\u30c9<\/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 elementor-element-1957dcf0 e-con e-atomic-element 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