{"id":17656,"date":"2021-03-12T19:03:55","date_gmt":"2021-03-12T10:03:55","guid":{"rendered":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/?page_id=17656"},"modified":"2024-04-30T10:15:30","modified_gmt":"2024-04-30T01:15:30","slug":"haihai_cs_column17","status":"publish","type":"page","link":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/mailmarketingwebclass\/haihai_cs_column17\/","title":{"rendered":"\u30e1\u30fc\u30eb\u3092\u5b88\u308b\u6697\u53f7\u5316\u901a\u4fe1\uff1aSTARTTLS\u3068\u306f\uff1f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/mailmarketingwebclass\/haihai_cs_column17\/#%E3%82%A4%E3%83%B3%E3%82%BF%E3%83%BC%E3%83%8D%E3%83%83%E3%83%88%E3%81%AE%E6%9A%97%E5%8F%B7%E5%8C%96\" >\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6697\u53f7\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/mailmarketingwebclass\/haihai_cs_column17\/#STARTTLS%E5%88%A9%E7%94%A8%E6%99%82%E3%81%AE%E6%B3%A8%E6%84%8F%E7%82%B9%E3%81%AF%EF%BC%9F\" >STARTTLS\u5229\u7528\u6642\u306e\u6ce8\u610f\u70b9\u306f\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/mailmarketingwebclass\/haihai_cs_column17\/#%E9%80%81%E4%BF%A1%E5%81%B4%E3%81%A0%E3%81%91%E3%81%A7%E3%81%AF%E3%81%AA%E3%81%8F%E5%8F%97%E4%BF%A1%E5%81%B4%E3%82%82STARTTLS%E5%AF%BE%E5%BF%9C%E3%81%8C%E5%BF%85%E8%A6%81\" >\u9001\u4fe1\u5074\u3060\u3051\u3067\u306f\u306a\u304f\u53d7\u4fe1\u5074\u3082STARTTLS\u5bfe\u5fdc\u304c\u5fc5\u8981<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/mailmarketingwebclass\/haihai_cs_column17\/#%E9%80%81%E4%BF%A1%E3%83%89%E3%83%A1%E3%82%A4%E3%83%B3%E8%AA%8D%E8%A8%BC%E3%81%8C%E5%BF%85%E8%A6%81%E6%80%A7\" >\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u304c\u5fc5\u8981\u6027<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/mailmarketingwebclass\/haihai_cs_column17\/#%E5%A4%A7%E6%89%8B%E3%83%A1%E3%83%BC%E3%83%AB%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AFSTARTTLS%E5%AF%BE%E5%BF%9C%E6%B8%88%E3%81%BF\" >\u5927\u624b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306fSTARTTLS\u5bfe\u5fdc\u6e08\u307f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/mailmarketinglab.jp\/word-dir\/wordpress\/wp-content\/uploads\/2017\/02\/ThinkstockPhotos-620959076.jpg\" alt=\"\" width=\"502\" height=\"336\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Google\u306eGmail\u3092\u4f7f\u7528\u3057\u3066\u3044\u3066\u3001\u4e0b\u306e\u30a4\u30e9\u30b9\u30c8\u306e\u3088\u3046\u306a\u8d64\u3044\u9375\u30de\u30fc\u30af\u3084\u300c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u300d\u3068\u3044\u3046\u3088\u3046\u306a\u6587\u7ae0\u306b\u898b\u899a\u3048\u306e\u3042\u308b\u65b9\u306f\u3044\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/mailmarketinglab.jp\/word-dir\/wordpress\/wp-content\/uploads\/2017\/02\/2017-02-03_10h37_36.png\" alt=\"\" width=\"546\" height=\"362\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u3053\u3061\u3089\u30e1\u30fc\u30eb\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u6ce8\u610f\u559a\u8d77\u3059\u308bGmail\u306e\u4ed5\u69d8\u3067\u3059\u3002<br>\u4eca\u56de\u306f\u610f\u5916\u3068\u77e5\u3089\u308c\u3066\u3044\u306a\u3044<strong>\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff1d\u6697\u53f7\u5316<\/strong>\u3068<strong>\u305d\u306e\u6280\u8853\u3010STARTTLS\u3011<\/strong>\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%A4%E3%83%B3%E3%82%BF%E3%83%BC%E3%83%8D%E3%83%83%E3%83%88%E3%81%AE%E6%9A%97%E5%8F%B7%E5%8C%96\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6697\u53f7\u5316<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u9001\u4fe1\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306b\u5c4a\u304f\u307e\u3067\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u901a\u4fe1\u7d4c\u8def\u3067\u306e\u60aa\u8cea\u306a\u30cf\u30c3\u30ad\u30f3\u30b0\u3084\u30b9\u30ad\u30df\u30f3\u30b0\u306a\u3069\u304b\u3089\u3001\u30e1\u30fc\u30eb\u3092\u5b88\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<br><br><strong>\u9006\u3092\u8a00\u3048\u3070\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u901a\u4fe1\u306e\u5834\u5408\u3001\u901a\u4fe1\u7d4c\u8def\u306b\u3066\u30e1\u30fc\u30eb\u306e\u4e2d\u8eab\u3092\u8ab0\u304b\u306b\u76d7\u307f\u898b\uff08\u76d7\u8074\uff09\u3055\u308c\u3066\u3057\u307e\u3046\u5371\u967a\u6027\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hai2mail.jp\/images\/function\/starttls-01.png\" alt=\"\" width=\"592\" height=\"366\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><br>\u73fe\u5728\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306eWeb\u30da\u30fc\u30b8\u306f\u591a\u304f\u306e\u5834\u5408\u3001SSL\uff08Secure Sockets Layer\uff09\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br><br>URL\u304c\u300chttp\u300d\u3067\u306f\u306a\u304f\u3001\u300c<strong>https<\/strong>\u300d\u304b\u3089\u59cb\u307e\u308b\u30da\u30fc\u30b8\u306f\u3059\u3079\u3066\u6697\u53f7\u5316\u3055\u308c\u305f\u901a\u4fe1\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u3044\u307e\u3067\u306fWeb\u30da\u30fc\u30b8\u306f\u5229\u7528\u8005\u306e\u5b89\u5168\u6027\u306e\u9762\u304b\u3089\u300c<strong>\u6697\u53f7\u5316\u304c\u5f53\u305f\u308a\u524d<\/strong>\u300d\u3068\u306a\u3063\u3066\u3044\u307e\u3059<br><br>\u305d\u3057\u3066\u3001<strong>SSL\u306e\u4ed5\u7d44\u307f\u3092\u30e1\u30fc\u30eb\u901a\u4fe1\u306b\u5fdc\u7528\u3057\u305f\u3082\u306e\u304c\u3001STARTTLS\u3067\u3059<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"STARTTLS%E5%88%A9%E7%94%A8%E6%99%82%E3%81%AE%E6%B3%A8%E6%84%8F%E7%82%B9%E3%81%AF%EF%BC%9F\"><\/span>STARTTLS\u5229\u7528\u6642\u306e\u6ce8\u610f\u70b9\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hai2mail.jp\/images\/function\/starttls-02.png\" alt=\"\" width=\"539\" height=\"333\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u30e1\u30fc\u30eb\u306e\u5b89\u5168\u6027\u3092\u62c5\u4fdd\u3059\u308b\u6697\u53f7\u5316\u901a\u4fe1\u3067\u3059\u304c\u3001\u3054\u5229\u7528\u3044\u305f\u3060\u304f\u3046\u3048\u3067\u3044\u304f\u3064\u304b\u6ce8\u610f\u70b9\u304c\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%80%81%E4%BF%A1%E5%81%B4%E3%81%A0%E3%81%91%E3%81%A7%E3%81%AF%E3%81%AA%E3%81%8F%E5%8F%97%E4%BF%A1%E5%81%B4%E3%82%82STARTTLS%E5%AF%BE%E5%BF%9C%E3%81%8C%E5%BF%85%E8%A6%81\"><\/span>\u9001\u4fe1\u5074\u3060\u3051\u3067\u306f\u306a\u304f\u53d7\u4fe1\u5074\u3082STARTTLS\u5bfe\u5fdc\u304c\u5fc5\u8981<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">STARTTLS\u3067\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u884c\u3046\u5834\u5408\u3001\u9001\u53d7\u4fe1\u53cc\u65b9\u3067\u306eSTARTTLS\u5bfe\u5fdc\u304c\u5fc5\u8981\u3067\u3059\u3002<br><br>\u9001\u4fe1\u30b5\u30fc\u30d0\u30fc\u3001\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306e\u3069\u3061\u3089\u304b\u4e00\u65b9\u304c<strong>STARTTLS\u5bfe\u5fdc\u304c\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u6642\u306b\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u6697\u53f7\u5316\u306f\u884c\u308f\u308c\u305a\u3001\u5e73\u6587\uff08\u975e\u6697\u53f7\u5316\uff09\u3067\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002<\/strong><br><br>\u305d\u306e\u305f\u3081\u3001\u9001\u4fe1\u5074\u304cSTARTTLS\u5bfe\u5fdc\u3092\u3057\u3066\u3044\u3066\u3082\u3001\u5fc5\u305a\u3057\u30e1\u30fc\u30eb\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u914d\u4fe1\u3055\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%80%81%E4%BF%A1%E3%83%89%E3%83%A1%E3%82%A4%E3%83%B3%E8%AA%8D%E8%A8%BC%E3%81%8C%E5%BF%85%E8%A6%81%E6%80%A7\"><\/span>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u304c\u5fc5\u8981\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">STARTTLS\u9001\u4fe1\u3092\u884c\u3046\u5834\u5408\u3001\u9001\u4fe1\u5143\u306eFrom\u30a2\u30c9\u30ec\u30b9\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u3001SPF\u3001DKIM\u306e\u8a2d\u5b9a\u3092\u5408\u308f\u305b\u3066\u884c\u3046\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u304a\u308a\u307e\u3059\u3002<br>SPF\u3001DKIM\u3068\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u7591\u308f\u308c\u306a\u3044\u305f\u3081\u306b\u9001\u4fe1\u5143\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u6b63\u5f53\u6027\u3092\u7acb\u8a3c\u3059\u308b\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3068\u3044\u308f\u308c\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<br><br>\u4e00\u90e8\u30b5\u30fc\u30d0\u30fc\u306b\u304a\u3044\u3066\u3001\u3053\u306eSPF\u3001DKIM\u306e\u8a2d\u5b9a\u3092\u305b\u305a\u306b\u3001STARTTLS\u901a\u4fe1\u3067\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u884c\u3063\u305f\u969b\u306b\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u3055\u308c\u308b\u4e8b\u8c61\u304c\u8d77\u304d\u3048\u307e\u3059\u3002<br><br>\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u306a\u3069\u306e\u5916\u90e8\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u3068\u3057\u3066SPF,DKIM\u8a2d\u5b9a\u306f\u5fc5\u9808\u3067\u3059\u3002\u4f75\u305b\u3066\u8a2d\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%A4%A7%E6%89%8B%E3%83%A1%E3%83%BC%E3%83%AB%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AFSTARTTLS%E5%AF%BE%E5%BF%9C%E6%B8%88%E3%81%BF\"><\/span>\u5927\u624b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306fSTARTTLS\u5bfe\u5fdc\u6e08\u307f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.hai2mail.jp\/images\/function\/starttls-03.jpg\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">\u73fe\u5728\u3001\u5927\u624b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u591a\u304f\u306fSTARTTLS\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2021\u5e74\u73fe\u5728\u3000STARTTLS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc<\/strong><\/h4>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Yahoo!<br>iCloud<br>MSN<br>Outlook.com<br>outlook.jp<br>Hotmail.com<br>Microsoft 365<br>Gmail<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size 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