{"id":1383,"date":"2014-07-08T10:57:32","date_gmt":"2014-07-08T01:57:32","guid":{"rendered":"https:\/\/ec2-54-238-200-5.ap-northeast-1.compute.amazonaws.com\/blog\/?p=1383"},"modified":"2019-03-28T17:35:52","modified_gmt":"2019-03-28T08:35:52","slug":"sendgrid%e3%81%a8%e3%83%a1%e3%83%bc%e3%83%ab%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e3%81%ae%e4%bb%8a%e5%be%8c","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1383","title":{"rendered":"SendGrid\u3068\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4eca\u5f8c"},"content":{"rendered":"

\"SendGrid\u3068\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4eca\u5f8c\"<\/p>\n

\n

\u3053\u306e\u8a18\u4e8b\u306f SendGrid and the Future of Email Security<\/a> \u306e\u6284\u8a33\u3067\u3059\u3002<\/p>\n<\/blockquote>\n

SendGrid\u3067\u306f\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u3064\u3044\u3066\u306e\u304a\u554f\u5408\u305b\u3092\u591a\u304f\u9802\u304d\u307e\u3059\u3002\u6700\u8fd1\u3082\u56fd\u5bb6\u306b\u3088\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u76e3\u8996\u306e\u767a\u899a\u306a\u3069\u304c\u8a71\u984c\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u3046\u3044\u3063\u305f\u3053\u3068\u3082\u3042\u308a\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3082\u65b0\u305f\u306a\u6bb5\u968e\u306b\u7a81\u5165\u3057\u305f\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u7c73\u56fd\u6642\u9593\u306e2014\u5e746\u67085\u65e5\u3088\u308a\u3001SendGrid\u304b\u3089\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30fc\u30eb\u306b\u306f\u3059\u3079\u3066TLS\u3092\u7528\u3044\u305f\u65e5\u548c\u898b\u6697\u53f7\u5316(Opportunistic Encryption)\u3092\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u307e\u3067\u3082SendGrid\u3078\u306e\u9001\u4fe1\u306b\u95a2\u3057\u3066\u306f\u3001HTTPS, SMTP-SSL, STARTTLS\u3092\u5229\u7528\u3057\u305f\u6697\u53f7\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u4ee5\u964d\u306f\u3001SendGrid\u304b\u3089\u53d7\u4fe1\u5074ISP\u307e\u3067\u306e\u901a\u4fe1\u3082\u3001(\u76f8\u624b\u5074\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5834\u5408\u306f)\u5168\u3066TLS\u3092\u5229\u7528\u3057\u3066\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002
\n\u3064\u307e\u308a\u3001\u53d7\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304cTLS\u306b\u5bfe\u5fdc\u3057\u3001\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u653b\u6483\u8005\u306b\u3088\u308b\u76d7\u8074\u3084\u6539\u7ac4\u306f\u4e0d\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u653b\u6483\u8005\u306b\u8a3c\u660e\u66f8\u304c\u76d7\u307e\u308c\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u306f\u3053\u306e\u9650\u308a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3002<\/p>\n


\n\u305d\u308c\u3067\u306f\u3001\u5404\u30e1\u30fc\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u306eTLS\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u306f\u5168\u3066\u7c73\u56fd\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n

\"US
\nAOL, Gmail, Hotmail\u306fTLS\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u5229\u7528\u8005\u306b\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u3066\u3044\u307e\u3059\u304c\u3001Yahoo!(\u3053\u306eYahoo! \u306f\u7c73\u56fd\u306eyahoo.com\u3067\u3059\u3002yahoo.co.jp\u3067\u306f\u3042\u308a\u307e\u305b\u3093)\u306e\u5834\u5408\u5c11\u3005\u7570\u306a\u308a\u307e\u3059\u3002
\nYahoo\u306fTLS\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u8aa4\u3063\u3066*.yahoodns.net\u3092\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8\u3068\u3057\u3066\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002RFC-2818\u306b\u3088\u308b\u3068\u3001am0.yahoodns.net\u306f\u6b63\u5f53\u3068\u5224\u65ad\u3055\u308c\u307e\u3059\u304c\u3001mta5.am0.yahoodns.net\u306f\u4e0d\u6b63\u3068\u5224\u65ad\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u672c\u4ef6\u306b\u3064\u3044\u3066\u306fYahoo\u306b\u5831\u544a\u3057\u3001\u5bfe\u5fdc\u4e2d\u3067\u3059\u3002<\/p>\n

<\/div>\n

\u30c6\u30b9\u30c8\u53ca\u3073\u30c6\u30b9\u30c8\u7d50\u679c<\/strong><\/h4>\n

\u4e0a\u8a18\u4ee5\u5916\u306eISP\u3001\u30e1\u30fc\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u3064\u3044\u3066\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1fSendGrid\u3067\u306f\u5230\u9054\u7387\u3092\u975e\u5e38\u306b\u91cd\u8981\u8996\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5916\u90e8\u3078\u306e\uff08\u30a2\u30a6\u30c8\u30d0\u30a6\u30f3\u30c9\uff09\u30e1\u30fc\u30eb\u306b\u5bfe\u3057TLS\u3092\u6709\u52b9\u306b\u3059\u308b\u524d\u306b\u3001\u5e83\u7bc4\u56f2\u306b\u6e21\u308b\u30c6\u30b9\u30c8\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002Co-founder\u3067\u3042\u308aCTO\u3067\u3082\u3042\u308bTim Jenkins\u306f\u3053\u3053\u4e00\u30f6\u6708\u306e\u9593\u306bSendGrid\u304b\u3089\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306e\u3001800\u4e07\u306e\u53d7\u4fe1\u8005\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u3001TLS\u304c\u5229\u7528\u53ef\u80fd\u304b\u3069\u3046\u304b\u306e\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u306f\u30fb\u30fb\u30fb<\/strong><\/p>\n

2014\u5e745\u670810, 11\u65e5\u306b\u304b\u3051\u3066\u3001SendGrid\u304c\u3088\u304f\u9001\u4fe1\u3057\u3066\u3044\u308b800\u4e07\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3001SMTP\u63a5\u7d9a\u3092\u8a66\u307f\u307e\u3057\u305f\u3002
\n800\u4e07\u306e\u30c9\u30e1\u30a4\u30f3\u306f\u3001340\u4e07\u306e\u30db\u30b9\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u306e76.1%\u306b\u3042\u305f\u308b2,614,380\u306e\u30db\u30b9\u30c8\u306fTLS\u306b\u5bfe\u5fdc\u3068\u306e\u3053\u3068\u3067\u3057\u305f\u304c\u3001223,800(8.5%)\u3068\u306f\u4fe1\u983c\u3055\u308c\u305fTLS\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n