{"id":4779,"date":"2019-10-09T19:43:34","date_gmt":"2019-10-09T10:43:34","guid":{"rendered":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/?page_id=4779"},"modified":"2026-10-09T11:35:54","modified_gmt":"2026-10-09T02:35:54","slug":"security","status":"publish","type":"page","link":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/promoter\/security\/","title":{"rendered":"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3"},"content":{"rendered":"\n<div class=\"reccomend\">\n        \n        <section class=\"subsecurity sec-cmn-01\">\n          <div class=\"inner\">\n            <h2>\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u306e\u30a2\u30af\u30bb\u30b9\u7ba1\u7406\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f53\u5236<\/h2>\n            <ul class=\"security-nav\">\n              <li><a href=\"#authority\">\u64cd\u4f5c\u6a29\u9650\u7ba1\u7406<\/a><\/li>\n              <li><a href=\"#impostor\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56<br>\uff08SPF\/DKIM\uff09<\/a><\/li>\n              <li><a href=\"#encryption\">\u6697\u53f7\u5316\u901a\u4fe1<br>\uff08STARTTLS\uff09<\/a><\/li>\n              <li><a href=\"#datacenter\">\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<br>\u76e3\u8996\u4f53\u5236<\/a><\/li>\n            <\/ul>\n          <\/div>\n        <\/section><!--\/.subsecurity-->\n        \n        <section class=\"authority\" id=\"authority\">\n          <div class=\"inner\">\n            <h2>\u64cd\u4f5c\u6a29\u9650\u7ba1\u7406<\/h2>\n            <p class=\"p-center\">\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u306b\u306f\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u696d\u52d9\u30d7\u30ed\u30bb\u30b9\u3092\u6b63\u3057\u304f\u904b\u2f64\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n            <ul class=\"authority-list\">\n              <li>\n                <div class=\"authority-list-cont\">\n                  <h3>\u8907\u6570\u30a2\u30ab\u30a6\u30f3\u30c8\u767a\u2f8f<\/h3>\n                  <img decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/promoter\/feature\/authority_img_1.svg\" alt=\"\u8907\u6570\u30a2\u30ab\u30a6\u30f3\u30c8\u767a\u2f8f\">\n                  <p>\u8907\u6570\u30a2\u30ab\u30a6\u30f3\u30c8\u304b\u3089\u306e\u30ed\u30b0\u30a4\u30f3\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u914d\u4fe1\u64cd\u4f5c\u306e\u62c5\u5f53\u5206\u3051\u3084\u627f\u8a8d\u64cd\u4f5c\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n                <\/div>\n              <\/li>\n              <li>\n                <div class=\"authority-list-cont\">\n                  <h3>\u6a29\u9650\u8a2d\u5b9a<\/h3>\n                  <img decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/promoter\/feature\/authority_img_2.svg\" alt=\"\u6a29\u9650\u8a2d\u5b9a\">\n                  <p>\u30ed\u30b0\u30a4\u30f3\u30a2\u30ab\u30a6\u30f3\u30c8\u6bce\u306b\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u6a5f\u80fd\u30fb\u9867\u5ba2\u60c5\u5831\u30fb\u914d\u4fe1\u30b0\u30eb\u30fc\u30d7\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n                <\/div>\n              <\/li>\n              <li>\n                <div class=\"authority-list-cont\">\n                  <h3>\u627f\u8a8d\u4f9d\u983c<\/h3>\n                  <img decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/promoter\/feature\/authority_img_3.svg\" alt=\"\u627f\u8a8d\u4f9d\u983c\">\n                  <p>\u30e1\u30fc\u30eb\u914d\u4fe1\u6642\u306b\u3001\u4ed6\u30a2\u30ab\u30a6\u30f3\u30c8\u30e6\u30fc\u30b6\u3078\u627f\u8a8d\u4f9d\u983c\u3092\u2f8f\u3046\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002\u30c1\u30a7\u30c3\u30af\u4f53\u5236\u5f37\u5316\u306b\u3088\u308a\u914d\u4fe1\u5185\u5bb9\u306e\u4e0d\u5099\u3092\u672a\u7136\u306b\u9632\u304e\u307e\u3059\u3002<\/p>\n                <\/div>\n              <\/li>\n            <\/ul>\n          <\/div>\n        <\/section><!--\/.authority-->\n        \n        <section class=\"impostor\" id=\"impostor\">\n          <div class=\"inner\">\n            <h2>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\uff08SPF\/DKIM\uff09<\/h2>\n            <p class=\"p-center\">\u5dee\u51fa\u2f08\u3092\u8a50\u79f0\u3057\u3066\u9001\u3089\u308c\u308b\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u5224\u65ad\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u53d7\u4fe1\u5074\u3067\u5f3e\u304b\u308c\u3066\u4e0d\u9054\u3068\u306a\u308a\u307e\u3059\u3002<br>\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u3067\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u8a8d\u8b58\u3055\u308c\u306a\u3044\u305f\u3081\u306b\u4ee5\u4e0b\u306e\uff12\u3064\u306e\u5bfe\u7b56\u3092\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n            <h3><span>SPF\u306e\u5bfe\u5fdc<\/span><\/h3>\n            <p>SPF\uff08Sender Policy Framework\uff09\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u540d\u79f0\u3067\u3001\u300c\u9001\u4fe1\u8005\u306a\u308a\u3059\u307e\u3057\u300d\u3092\u9632\u3050\u4ed5\u7d44\u307f\u3067\u3059\u3002<br>SPF\u306f\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u5074\u304c\u5229\u7528\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3001\u9001\u4fe1\u30e1\u30fc\u30eb\u304c\u3069\u3053\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305f\u30e1\u30fc\u30eb\u306a\u306e\u304b\u3092\u53d7\u4fe1\u8005\u3078\u4f1d\u3048\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306bFrom\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u304c\u3001\u610f\u56f3\u3057\u306a\u3044\u7b2c\u4e09\u8005\u306b\u3088\u308a\u4e0d\u6b63\u306b\u5229\u7528\u3055\u308c\u308b\u4e8b\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u3001\u5916\u90e8\u74b0\u5883\u306b\u7f6e\u304b\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u4ecb\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u306b\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<br>\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u3067\u306f\u3001\u5c0e\u5165\u3057\u3066\u9802\u3044\u305f\u304a\u5ba2\u69d8\u306b\u3001SPF\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306e\u3054\u6848\u5185\u3068\u3001\u8a2d\u5b9a\u306e\u63a8\u5968\u3092\u5f37\u304f\u884c\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n            <h3><span>DKIM\uff08\u96fb\u2f26\u7f72\u540d\uff09\u306e\u5bfe\u5fdc<\/span><\/h3>\n            <p>DKIM\uff08Domainkeys Identified\uff09\u306f\u3001\u96fb\u5b50\u7f72\u540d\u65b9\u5f0f\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u540d\u79f0\u3067\u3001\u300c\u9001\u4fe1\u8005\u306a\u308a\u3059\u307e\u3057\u300d\u3084\u300c\u30e1\u30fc\u30eb\u5185\u5bb9\u306e\u6539\u3056\u3093\u300d\u3068\u3044\u3063\u305f\u4e0d\u6b63\u3092\u9632\u3050\u4ed5\u7d44\u307f\u3067\u3059\u3002<br>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u306f\u3001\u4ed6\u8005\u306b\u516c\u958b\u3059\u308b\u300c\u516c\u958b\u9375\u300d\u3068\u81ea\u5206\u3057\u304b\u77e5\u3089\u306a\u3044\u300c\u79d8\u5bc6\u9375\u300d\u306e\u30da\u30a2\u3092\u4e88\u3081\u6301\u3063\u3066\u304a\u308a\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306b\u306f\u3001\u3053\u306e\u300c\u79d8\u5bc6\u9375\u300d\u3067\u7f72\u540d\u3057\u307e\u3059\u3002\u5bfe\u3057\u3066\u3001\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u8005\u306f\u3001\u300c\u516c\u958b\u9375\u300d\u3092\u9001\u4fe1\u8005\u3078\u554f\u3044\u5408\u308f\u305b\u3066\u53d6\u5f97\u3057\u3001\u7f72\u540d\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u96fb\u5b50\u7f72\u540d\u306e\u4ed5\u7d44\u307f\u3092\u53d6\u308b\u4e8b\u3067\u3001\u53d7\u4fe1\u8005\u306f\u3001\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u9001\u4fe1\u8005\u304c\u4f5c\u6210\u3057\u9001\u3063\u305f\u3082\u306e\u3060\u3068\u5206\u304b\u308a\u3001\u9014\u4e2d\u306e\u7b2c\u4e09\u8005\u306b\u3088\u308b\u6539\u3056\u3093\u306e\u6709\u7121\u3082\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>DKIM\u306b\u3088\u308b\u96fb\u5b50\u7f72\u540d\u306b\u306f\u3001\u300c\u516c\u958b\u9375\u300d\u306e\u914d\u7f6e\u5834\u6240\u306e\u9055\u3044\u304b\u3089\u4ee5\u4e0b\u306e\uff12\u7a2e\u985e\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n            <div class=\"subpage-box\">\n              <h4>\uff1c\u7b2c\u4e09\u8005\u7f72\u540d\uff1e<br>\u53d7\u4fe1\u8005\u5074\u306f\u30e1\u30fc\u30eb\u306e\u6539\u3056\u3093\u691c\u51fa\u304c\u3067\u304d\u307e\u3059\u3002<\/h4>\n              <img decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/promoter\/feature\/authority_img_4.svg\" alt=\"\u7b2c\u4e09\u8005\u7f72\u540d\" class=\"box-img1 pc-only\">\n              <p class=\"p-center\">\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u3067\u306f\u3001\u8a2d\u5b9a\u3092ON\u306b\u3059\u308b\u3060\u3051\u3067\u5229\u2f64\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n            <\/div>\n            <div class=\"subpage-box\">\n              <h4>\uff1c\u4f5c\u6210\u8005\u7f72\u540d\uff1e<br>\u53d7\u4fe1\u8005\u5074\u306f\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u3068\u3001\u30e1\u30fc\u30eb\u306e\u6539\u3056\u3093\u691c\u51fa\u304c\u51fa\u6765\u307e\u3059\u3002<\/h4>\n              <img decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/promoter\/feature\/authority_img_5.svg\" alt=\"\u4f5c\u6210\u8005\u7f72\u540d\" class=\"box-img2 pc-only\">\n              <p class=\"p-center\">\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u3067\u306f\u3001\u79d8\u5bc6\u9375\u3068\u516c\u958b\u9375\u3092\u30da\u30a2\u3067\u4f5c\u6210\u3059\u308b\u2f83\u52d5\u4f5c\u6210\u3068\u3001\u4ed6\u30b5\u30fc\u30d0\u3067\u4f5c\u6210\u3055\u308c\u305f\u79d8\u5bc6\u9375\u3092\u767b\u9332\u3059\u308b\u2f3f\u52d5\u4f5c\u6210\u3092\u304a\u9078\u3073\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n            <\/div>\n           <\/div>\n        <\/section><!--\/.impostor-->\n        \n        <section class=\"encryption\" id=\"encryption\">\n          <div class=\"inner\">\n            <h2>\u6697\u53f7\u5316\u901a\u4fe1\uff08STARTTLS\uff09\u5bfe\u5fdc<\/h2>\n            <p class=\"p-center\">\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u3067\u306f\u3001STARTTLS\u306e\u4ed5\u7d44\u307f\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u6697\u53f7\u5316\u3057\u305f\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u3067\u304d\u307e\u3059\u3002<br>\n      \u3053\u308c\u306b\u3088\u308a\u3001Gmail\u3067\u306e\u8b66\u544a\u8868\u2f70\u3092\u56de\u907f\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u5916\u90e8\u304b\u3089\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u304e\u3001\u3088\u308a\u30bb\u30ad\u30e5\u30a2\u306a\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n            <ul class=\"authority-list row-02\">\n              <li>\n                <div class=\"authority-list-cont\">\n                  <h3>STARTTLS<\/h3>\n                  <img decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/promoter\/feature\/authority_img_6.svg\" alt=\"STARTTLS\">\n                <\/div>\n              <\/li>\n              <li>\n                <div class=\"authority-list-cont\">\n                  <h3>Gmail\u306e\u8b66\u544a\u6587<\/h3>\n                  <img decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/promoter\/feature\/authority_img_7.svg\" alt=\"Gmail\u306e\u8b66\u544a\u6587\">\n                <\/div>\n                  <p>\u203b\u5927\u624b\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306eGmail\u3092\u904b\u55b6\u3059\u308bGoogle\u306f\u3001STARTTLS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306b\u5bfe\u5fdc\u3057\u3001\u30e1\u30fc\u30eb\u958b\u5c01\u6642\u306b\u975e\u6697\u53f7\u5316\u306e\u8b66\u544a\u8868\u793a\u3092\u3059\u308b\u6a5f\u80fd\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n              <\/li>\n            <\/ul>\n          <\/div>\n        <\/section><!--\/.encryption-->\n        \n        <section class=\"datacenter\" id=\"datacenter\">\n          <div class=\"inner\">\n            <h2>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3001\u76e3\u8996\u4f53\u5236<\/h2>\n\n            <p class=\"p-center\">\u30e1\u30eb\u30de\u30ac\u8aad\u8005\u306e\u500b\u4eba\u60c5\u5831\u306a\u3069\u3001\u304a\u9810\u304b\u308a\u3057\u3066\u3044\u308b\u304a\u5ba2\u69d8\u60c5\u5831\u306e\u7ba1\u7406\u306f\u5f53\u7136\u306e\u8cac\u52d9\u3067\u3042\u308a\u3001<br>\n      \u304a\u5ba2\u69d8\u306b\u8ff7\u60d1\u304c\u304b\u304b\u308b\u3053\u3068\u304c\u306a\u3044\u3088\u3046\u3001\u5168\u793e\u3092\u6319\u3052\u3066\u4e07\u5168\u306e\u4f53\u5236\u3067\u3053\u308c\u3092\u9075\u5b88\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n            <div class=\"subpage-illust3\">\n              <ul class=\"subpage-illust3-list\">\n                <li>\n                  <div class=\"subpage-illust3-list-image\">\n                    <p class=\"illust3-img\"><img decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/promoter\/feature\/authority_img_8.svg\" alt=\"\u56fd\u5185\u5c48\u6307\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\"><\/p>\n                    <h4>\u56fd\u5185\u5c48\u6307\u306e<br>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/h4>\n                    <p>\u30b5\u30fc\u30d0\u306f\u629c\u7fa4\u306e\u9632\u707d\u6027\u80fd\u3092\u8a87\u308b<br 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