{"id":1560,"date":"2014-08-08T11:10:24","date_gmt":"2014-08-08T02:10:24","guid":{"rendered":"https:\/\/ec2-54-238-200-5.ap-northeast-1.compute.amazonaws.com\/blog\/?p=1560"},"modified":"2019-03-28T17:31:33","modified_gmt":"2019-03-28T08:31:33","slug":"smime%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%9f%e3%82%a8%e3%83%b3%e3%83%89%e3%83%84%e3%83%bc%e3%82%a8%e3%83%b3%e3%83%89%e6%9a%97%e5%8f%b7%e5%8c%96","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1560","title":{"rendered":"S\/MIME\u3092\u4f7f\u3063\u305f\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316"},"content":{"rendered":"<blockquote>\n<p>\u3053\u306e\u8a18\u4e8b\u306f <a href=\"http:\/\/sendgrid.com\/blog\/end-end-email-encryption-smime\/\" target=\"_blank\">End-to-End Email Encryption with S\/MIME<\/a> \u306e\u6284\u8a33\u3067\u3059\u3002<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1554\" title=\"\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\u5165\u9580\" target=\"_blank\">\u524d\u56de\u306e\u6295\u7a3f<\/a>\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306e\u6697\u53f7\u5316\u3068\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u6697\u53f7\u5316\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u6982\u8981\u3092\u8aac\u660e\u3057\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u3067\u306e\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001S\/MIME\u3068PGP\/GPG\u3092\u3068\u308a\u3042\u3052\u307e\u3057\u305f\u3002<br \/>\n\u4eca\u56de\u306f\u3001OSX\u3084iOS\u306e\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067S\/MIME\u3092\u5229\u7528\u3057\u3001\u6697\u53f7\u5316\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>S\/MIME\u306f<a href=\"http:\/\/ja.wikipedia.org\/wiki\/%E5%85%AC%E9%96%8B%E9%8D%B5%E5%9F%BA%E7%9B%A4\" title=\"PKI\" target=\"_blank\">PKI<\/a>\u306b\u5247\u3063\u3066\u306a\u308a\u305f\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u307e\u305a\u306f\u4fe1\u983c\u3067\u304d\u308b\u8a8d\u8a3c\u5c40(CA)\u304b\u3089\u8a3c\u660e\u66f8\u3092\u53d6\u5f97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u306f<a href=\"http:\/\/en.wikipedia.org\/wiki\/StartCom\" title=\"StartCom\" target=\"_blank\">StartCom<\/a>\u3092\u5229\u7528\u3057\u307e\u3059\u3002StartCom\u306f\u30a4\u30b9\u30e9\u30a8\u30eb\u306eCA\u3067\u3001\u5546\u7528\u5229\u7528\u3092\u3057\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u7121\u6599\u3067\u8a3c\u660e\u66f8\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<div style=\"clear:both;width:auto;height:40px;\"><!----><\/div>\n<h4><strong>StartSSL \u8a3c\u660e\u66f8\u306e\u53d6\u5f97<\/strong><\/h4>\n<p>1) \u30d6\u30e9\u30a6\u30b6\u3092\u8d77\u52d5\u3057\u3001<a href=\"https:\/\/www.startssl.com\" title=\"https:\/\/www.startssl.com\" target=\"_blank\">https:\/\/www.startssl.com<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u5de6\u4e0a\u306e<strong>&#8220;Sign-up For Free&#8221;<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u5165\u529b\u30d5\u30a9\u30fc\u30e0\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-10-52.png\" alt=\"startssl\" width=\"100%\" class=\"alignnone size-full wp-image-1579\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-10-52.png 676w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-10-52-300x252.png 300w\" sizes=\"(max-width: 676px) 100vw, 676px\" \/><br \/>\n2) \u8868\u793a\u3055\u308c\u308b\u30d5\u30a9\u30fc\u30e0\u306b\u5fc5\u8981\u306a\u60c5\u5831\u3092\u5165\u529b\u3057\u3001\u3057\u3070\u3089\u304f\u5f85\u3064\u3068\u78ba\u8a8d\u30e1\u30fc\u30eb\u304c\u5c4a\u304d\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/d02c7d064e68df82bcbaeb9241f0b032.png\" alt=\"startssl\" width=\"100%\" class=\"alignnone size-full wp-image-6499\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/d02c7d064e68df82bcbaeb9241f0b032.png 1130w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/d02c7d064e68df82bcbaeb9241f0b032-300x177.png 300w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/d02c7d064e68df82bcbaeb9241f0b032-768x452.png 768w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/d02c7d064e68df82bcbaeb9241f0b032-1024x603.png 1024w\" sizes=\"(max-width: 1130px) 100vw, 1130px\" \/><\/p>\n<p>\u30e1\u30fc\u30eb\u306b\u306f\u8a8d\u8a3c\u30b3\u30fc\u30c9\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-23-52.png\" alt=\"confirmation mail\" width=\"100%\" class=\"alignnone size-full wp-image-1578\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-23-52.png 590w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-23-52-300x107.png 300w\" sizes=\"(max-width: 590px) 100vw, 590px\" \/><\/p>\n<p>3) \u5148\u307b\u3069\u306e\u8a8d\u8a3c\u30b3\u30fc\u30c9\u3092\u5165\u529b\u3057\u3001\u6b21\u306b\u9032\u307f\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-26-20.png\" alt=\"Complete Registration\" width=\"100%\" class=\"alignnone size-full wp-image-1577\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-26-20.png 694w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-26-20-300x85.png 300w\" sizes=\"(max-width: 694px) 100vw, 694px\" \/><\/p>\n<p>4) \u6b21\u306b\u79d8\u5bc6\u9375\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<strong>\u201d2048(\u9ad8)\u201d<\/strong>\u3092\u9078\u629e\u3057\u3001\u6b21\u306b\u9032\u307f\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/59c124e307484040829c62d5f044b2c2.png\" alt=\"Generate Private Key\" width=\"100%\" class=\"alignnone size-full wp-image-6498\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/59c124e307484040829c62d5f044b2c2.png 754w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/59c124e307484040829c62d5f044b2c2-300x76.png 300w\" sizes=\"(max-width: 754px) 100vw, 754px\" \/><\/p>\n<p>5) \u79d8\u5bc6\u9375\u306e\u751f\u6210\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u304b\u78ba\u8a8d\u306e\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002Mac\u3067Chrome\u3084Safari\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001\u30ad\u30fc\u30c1\u30a7\u30fc\u30f3\u306b\u8a3c\u660e\u66f8\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-32-9.png\" alt=\"Install Certificate\" width=\"100%\" class=\"alignnone size-full wp-image-1576\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-32-9.png 600w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-32-9-300x97.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>6) \u3053\u308c\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u306b\u4f7f\u7528\u3059\u308b\u8a3c\u660e\u66f8\u306e\u6e96\u5099\u304c\u6574\u3044\u307e\u3057\u305f\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-32-32.png\" alt=\"Cert Installed\" width=\"100%\" class=\"alignnone size-full wp-image-1575\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-32-32.png 1266w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-32-32-300x97.png 300w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-32-32-768x248.png 768w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-12-32-32-1024x330.png 1024w\" sizes=\"(max-width: 1266px) 100vw, 1266px\" \/><\/p>\n<p style=\"margin-bottom:0px;\">\u6ce8\u610f\uff1a\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9650\u304c\u5207\u308c\u308b\u307e\u3067\u3001\u66f4\u65b0\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u306e\u3067\u3001\u8a3c\u660e\u66f8\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u3068\u3063\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u305d\u306e\u624b\u9806\u3067\u3059\u3002(OSX\u3067\u306e\u5834\u5408)<\/p>\n<ul style=\"background-image:none;list-style-type:decimal;margin-left:40px;\">\n<li style=\"background-image:none;\"><strong>&#8220;\u30ad\u30fc\u30c1\u30a7\u30fc\u30f3\u30a2\u30af\u30bb\u30b9&#8221;<\/strong>\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002<\/li>\n<li style=\"background-image:none;\"><strong>&#8220;\u30ed\u30b0\u30a4\u30f3&#8221;<\/strong>\u30ad\u30fc\u30c1\u30a7\u30fc\u30f3\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li style=\"background-image:none;\">\u5206\u985e\u30da\u30a4\u30f3\u3067<strong>&#8220;\u8a3c\u660e\u66f8&#8221;<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li style=\"background-image:none;\">\u5148\u7a0b\u4f5c\u6210\u3057\u305f\u8a3c\u660e\u66f8\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\uff08\u540d\u79f0\u306f\u304a\u305d\u3089\u304f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff09<\/li>\n<li style=\"background-image:none;\">\u8a72\u5f53\u3059\u308b\u8a3c\u660e\u66f8\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057<strong>\u201d\u301c\u3092\u66f8\u304d\u51fa\u3059\u201d<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li style=\"background-image:none;\">\u8a3c\u660e\u66f8\u3092\u4fdd\u5b58\u3057\u305f\u3044\u5834\u6240\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li style=\"background-image:none;\">\u6697\u53f7\u5316\u306e\u305f\u3081\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n<li style=\"background-image:none;\">\u751f\u6210\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u5b89\u5168\u306a\u5834\u6240\u306b\u4fdd\u5b58\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<div style=\"clear:both;width:auto;height:40px;\"><!----><\/div>\n<h4><strong>\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3(OSX)\u306e\u8a2d\u5b9a<\/strong><\/h4>\n<p>1) \u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8d77\u52d5\u3057\u3001<strong>\u201d\u74b0\u5883\u8a2d\u5b9a\u201d<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-13-33-57.png\" alt=\"Mail App\" width=\"264\" height=\"280\" class=\"alignnone size-full wp-image-1574\" \/><\/p>\n<p>2) \u6697\u53f7\u5316\u3092\u6709\u52b9\u306b\u3057\u305f\u3044\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u305d\u306e\u969b\u3001StartSSL\u306e\u8a3c\u660e\u66f8\u306e\u53d6\u5f97\u306b\u5229\u7528\u3057\u305f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>3) \u4e00\u756a\u4e0b\u306b\u3042\u308b<strong>\u201dTLS \u8a3c\u660e\u66f8\u201d<\/strong>\u3067\u5148\u7a0bStartSSL\u3067\u4f5c\u6210\u3057\u305f\u8a3c\u660e\u66f8\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-13-36-58.png\" alt=\"Account Information\" width=\"404\" height=\"448\" class=\"alignnone size-full wp-image-1571\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-13-36-58.png 404w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image2014-3-19-13-36-58-271x300.png 271w\" sizes=\"auto, (max-width: 404px) 100vw, 404px\" \/><br \/>\n\u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n<p>\u65b0\u898f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001\u53f3\u7aef\u306b2\u3064\u306e\u30a2\u30a4\u30b3\u30f3\u304c\u6709\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u53f3\u7aef\u306e\u30c1\u30a7\u30c3\u30af\u30de\u30fc\u30af\u306e\u30a2\u30a4\u30b3\u30f3\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u7f72\u540d\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3001\u305d\u306e\u96a3\u306e\u9375\u306e\u30a2\u30a4\u30b3\u30f3\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6697\u53f7\u5316\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u6ce8\u610f\u70b9\u3068\u3057\u3066\u3001\u7f72\u540d\u5165\u308a\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306f\u3001S\/MIME\u3092\u5229\u7528\u3057\u3066\u6697\u53f7\u5316\u3057\u305f\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\u7f72\u540d\u5165\u308a\u306e\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308b\u3068\u3001\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u81ea\u52d5\u7684\u306b\u8a3c\u660e\u66f8\uff08\u304a\u3088\u3073\u516c\u958b\u9375\uff09\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u6697\u53f7\u5316\u3057\u3066\u9001\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\uff08\u9375\u30a2\u30a4\u30b3\u30f3\u304c\u30af\u30ea\u30c3\u30af\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\uff09\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/2014-06-18_17-55-39-500x298.png\" alt=\"compose email\" width=\"500\" height=\"298\" class=\"alignnone size-full wp-image-1570\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/2014-06-18_17-55-39-500x298.png 500w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/2014-06-18_17-55-39-500x298-300x179.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\n\u306a\u304a\u3001\u6697\u53f7\u5316\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u8a3c\u660e\u66f8\u306e\u4fe1\u983c\u60c5\u5831\u306e\u3046\u3061\u3001\u5b89\u5168\u306a\u30e1\u30fc\u30eb\uff08S\/MIME\uff09\u304a\u3088\u3073X.509 \u57fa\u672c\u30dd\u30ea\u30b7\u30fc\u304c<strong>&#8220;\u5e38\u306b\u4fe1\u983c&#8221;<\/strong>\u3068\u306a\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<strong>&#8220;\u30ad\u30fc\u30c1\u30a7\u30fc\u30f3\u30a2\u30af\u30bb\u30b9&#8221;<\/strong>\u3088\u308a\u4e8b\u524d\u306b\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u3066\u4e0b\u3055\u3044\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/5f8c988a8b2f65f41cb99b310b7592bf.png\" alt=\"key chain access\" width=\"516\" height=\"361\" class=\"alignnone size-full wp-image-6497\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/5f8c988a8b2f65f41cb99b310b7592bf.png 516w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2016\/09\/5f8c988a8b2f65f41cb99b310b7592bf-300x210.png 300w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><br \/>\n\u9001\u4fe1\u8005\u3068\u53d7\u4fe1\u8005\u306e\u9593\u306b\u5165\u308a\u3001\u76d7\u8074\u3057\u3088\u3046\u3068\u3059\u308b\u653b\u6483\u8005\u306b\u306f\u4ee5\u4e0b\u306e\u69d8\u306b\u898b\u3048\u307e\u3059\u3002\u4ef6\u540d\u306f\u30cf\u30c3\u30ad\u30ea\u3068\u8aad\u3080\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u304c\u3001\uff08\u305d\u306e\u4ed6\u306e\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3082\u542b\u3081\uff09\u6b8b\u308a\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u653b\u6483\u8005\u306f\u4e2d\u3092\u898b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/87XRYZI-500x376.png\" alt=\"encrypted message\" width=\"500\" height=\"376\" class=\"alignnone size-full wp-image-1569\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/87XRYZI-500x376.png 500w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/87XRYZI-500x376-300x226.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\nThunderbird\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\uff08Tunderbird\u3082S\/MIME\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\uff09<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/5TdHdiu-500x265.png\" alt=\"Thunderbird\" width=\"500\" height=\"265\" class=\"alignnone size-full wp-image-1568\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/5TdHdiu-500x265.png 500w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/5TdHdiu-500x265-300x159.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\n\u3053\u3053\u307e\u3067\u306f\u3001OSX\u3067\u3088\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u306e\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u30e2\u30d0\u30a4\u30eb\u7aef\u672b\u3067\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f Android\u3067\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3067S\/MIME\u3092\u5229\u7528\u53ef\u80fd\u3067\u3059\u304c\u3001iOS\u306fiOS5\u306e\u3068\u304d\u304b\u3089S\/MIME\u306b\u30cd\u30a4\u30c6\u30a3\u30d6\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u3053\u3053\u3067\u306fiOS\u3067\u306eS\/MIME\u306e\u5229\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<div style=\"clear:both;width:auto;height:40px;\"><!----><\/div>\n<h4><strong>iOS\u3067\u306eS\/MIME\u306e\u8a2d\u5b9a<\/strong><\/h4>\n<p>1) \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u305f.p12\u30d5\u30a1\u30a4\u30eb\u3092\u81ea\u5206\u306b\u30e1\u30fc\u30eb\u3057\u307e\u3059\u3002<br \/>\n2) iOS\u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<br \/>\n3) <strong>&#8220;\u8a2d\u5b9a&#8221;<\/strong>\u306e<strong>&#8220;\u30e1\u30fc\u30eb\/\u9023\u7d61\u5148\/\u30ab\u30ec\u30f3\u30c0\u30fc&#8221;<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002<br \/>\n4) \u6697\u53f7\u5316\u3092\u6709\u52b9\u306b\u3057\u305f\u3044\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br \/>\n5) <strong>&#8220;\u30a2\u30ab\u30a6\u30f3\u30c8&#8221;<\/strong>\u3092\u9078\u629e\u3057\u3001<strong>&#8220;\u8a73\u7d30&#8221;<\/strong>\u306b\u9032\u307f\u307e\u3059\u3002<br \/>\n7) \u6700\u4e0b\u90e8\u306b\u3042\u308b <strong>&#8220;S\/MIME&#8221;<\/strong>\u3092\u30aa\u30f3\u306b\u3057\u307e\u3059\u3002<br \/>\n8) <strong>&#8220;\u7f72\u540d&#8221;<\/strong>\u304a\u3088\u3073<strong>&#8220;\u6697\u53f7\u5316&#8221;<\/strong>\u3092\u6709\u52b9\u306b\u3057\u3001\u5148\u7a0b\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u305f\u8a3c\u660e\u66f8\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image3-169x300.png\" alt=\"iPhone setting\" width=\"169\" height=\"300\" class=\"alignnone size-full wp-image-1567\" \/><br \/>\n9) \u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u305f\u8a3c\u660e\u66f8\u306f\u524a\u9664\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u306a\u304a\u3001\u30e1\u30fc\u30eb\u7d4c\u7531\u3067\u8a3c\u660e\u66f8\u3092\u9001\u308a\u305f\u304f\u306a\u3044\u5834\u5408\u306f\u3001USB\u63a5\u7d9a\u3057\u3066iOS\u30c7\u30d0\u30a4\u30b9\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<div style=\"clear:both;width:auto;height:40px;\"><!----><\/div>\n<h4><strong>iOS\u304b\u3089\u6697\u53f7\u5316\u30e1\u30fc\u30eb\u306e\u9001\u4fe1<\/strong><\/h4>\n<p>\u6697\u53f7\u5316\u3057\u305f\u30e1\u30fc\u30eb\u3092\u9001\u308b\u524d\u306b\u306f\u3001\u307e\u305a\u306f\u9001\u308a\u305f\u3044\u76f8\u624b\u304b\u3089\u7f72\u540d\u5165\u308a\u306e\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7f72\u540d\u5165\u308a\u306e\u30e1\u30fc\u30eb\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image-5-169x300.png\" alt=\"signed message\" width=\"169\" height=\"300\" class=\"alignnone size-full wp-image-1566\" \/><br \/>\n\u30a2\u30c9\u30ec\u30b9\u3092\u9078\u629e\u3057\u3001\u8a73\u7d30\u3092\u8868\u793a\u3057\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image-4-169x300.png\" alt=\"sender information\" width=\"169\" height=\"300\" class=\"alignnone size-full wp-image-1565\" \/><br \/>\n<strong>&#8220;\u8a3c\u660e\u66f8\u3092\u8868\u793a&#8221;<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image-3-169x300.png\" alt=\"cert install\" width=\"169\" height=\"300\" class=\"alignnone size-full wp-image-1564\" \/><br \/>\n\u305d\u306e\u5f8c<strong>&#8220;\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb&#8221;<\/strong>\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u8a3c\u660e\u66f8\u304c\u30c7\u30d0\u30a4\u30b9\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306f\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3088\u3046\u3068\u3057\u305f\u6642\u3001\u516c\u958b\u9375\u306b\u3088\u3063\u3066\u81ea\u52d5\u7684\u306b\u7f72\u540d\u3055\u308c\u3001\u6697\u53f7\u5316\u3055\u308c\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2014\/08\/image7-169x300.png\" alt=\"new message\" width=\"169\" height=\"300\" class=\"alignnone size-full wp-image-1563\" \/><br \/>\n\u3053\u306e\u3088\u3046\u306b\u8ffd\u52a0\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u306a\u3057\u3067\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3057\u305f\u3002<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1554\" title=\"\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\u5165\u9580\" target=\"_blank\">\u5148\u65e5\u306e\u8a18\u4e8b<\/a>\u3067\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306b\u3001\u4ed6\u306b\u3082\u69d8\u3005\u306a\u624b\u6cd5\u304c\u6709\u308a\u307e\u3059\u3002\u6b21\u306fPGP\/GPG\u306b\u3088\u308b\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>SendGrid\u304c\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u3069\u306e\u3088\u3046\u306a\u6d3b\u52d5\u3092\u3057\u3066\u3044\u308b\u304b\u3001<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1383\" title=\"SendGrid\u3068\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4eca\u5f8c\" target=\"_blank\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3082\u662f\u975e\u5fa1\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u306f End-to-End Email Encryption with S\/MIME \u306e\u6284\u8a33\u3067\u3059\u3002 \u524d\u56de\u306e\u6295\u7a3f\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306e\u6697\u53f7\u5316\u3068\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u6697\u53f7\u5316\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u6982\u8981\u3092\u8aac\u660e\u3057\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u3067\u306e <a class=\"read-more\" href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1560\">&#8230;\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":6311,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-practices"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1560","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1560"}],"version-history":[{"count":5,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1560\/revisions"}],"predecessor-version":[{"id":6881,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1560\/revisions\/6881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/media\/6311"}],"wp:attachment":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}