{"id":14512,"date":"2023-10-12T11:30:29","date_gmt":"2023-10-12T02:30:29","guid":{"rendered":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=14512"},"modified":"2026-04-02T13:43:58","modified_gmt":"2026-04-02T04:43:58","slug":"smtp%e3%81%ae%e3%81%af%e3%81%98%e3%82%81%e3%81%8b%e3%81%9f%ef%bc%88%e8%87%aa%e4%bd%9c-vs-%e3%82%b5%e3%83%bc%e3%83%93%e3%82%b9%e5%88%a9%e7%94%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=14512","title":{"rendered":"SMTP\u306e\u306f\u3058\u3081\u304b\u305f\uff08\u81ea\u4f5c VS. \u30b5\u30fc\u30d3\u30b9\u5229\u7528\uff09"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/10\/20211007_blog.png\" alt=\"SMTP\u306e\u306f\u3058\u3081\u304b\u305f\uff08\u81ea\u4f5c VS. \u30b5\u30fc\u30d3\u30b9\u5229\u7528\uff09\" width=\"100%\" class=\"aligncenter size-full wp-image-16361\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/10\/20211007_blog.png 650w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2021\/10\/20211007_blog-300x185.png 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<blockquote>\n<p>\u3053\u306e\u8a18\u4e8b\u306f <a href=\"https:\/\/sendgrid.com\/blog\/create-an-smtp-server\/\" target=\"_blank\">How to Setup a Free SMTP Server (Buying vs. DIYing)<\/a> \u306e\u6284\u8a33\u3067\u3059\u3002<\/p>\n<\/blockquote>\n<p>SMTP\u30b5\u30fc\u30d0\u306f\u30e1\u30fc\u30eb\u9001\u4fe1\u306b\u304b\u304b\u305b\u307e\u305b\u3093\u304c\u3001\u81ea\u524d\u3067\u69cb\u7bc9\u3059\u308b\u306e\u304b\u3001\u5916\u90e8\u306eSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3046\u306e\u304b\u3001\u3069\u3061\u3089\u306b\u3059\u308b\u304b\u60a9\u3093\u3060\u3053\u3068\u304c\u3042\u308b\u4eba\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001SMTP\u30b5\u30fc\u30d0\u3092\u6e96\u5099\u3059\u308b\u969b\u306b\u8003\u616e\u3059\u3079\u304d\u3053\u3068\u3084\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u306eTwilio SendGrid\u3092\u4f7f\u3063\u3066\u7c21\u5358\u306b\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u65b9\u6cd5\u3092\u3054\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3>SMTP\u30b5\u30fc\u30d0\u5c0e\u5165\u306e\u57fa\u790e\u77e5\u8b58<\/h3>\n<p><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=11638\" rel=\"noopener\" target=\"_blank\">SMTP\u30b5\u30fc\u30d0<\/a>\u306f\u3001\u9001\u4fe1\u5143\u3068\u5b9b\u5148\u306e\u9593\u3067\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3084\u4e2d\u7d99\u3092\u884c\u3046\u305f\u3081\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u3068\u3001SMTP\u30b5\u30fc\u30d0\u306f\u3069\u306e\u30b5\u30fc\u30d0\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4e2d\u7d99\u3055\u305b\u308b\u304b\u5224\u65ad\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u53d7\u4fe1\u5074\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u30e1\u30fc\u30eb\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u53d7\u4fe1\u30c8\u30ec\u30a4\u306b\u5c4a\u3051\u307e\u3059\u3002<\/p>\n<p>SMTP\u30b5\u30fc\u30d0\u3092\u81ea\u4f5c\u3059\u308b\u5834\u5408\u3001Postfix\u306e\u3088\u3046\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff08MTA\uff09\u3092\u5229\u7528\u3059\u308b\u65b9\u6cd5\u304c\u4e00\u822c\u7684\u3067\u3059\u3002Windows 10\u3001macOS\u3001Linux\u3067\u30b7\u30f3\u30d7\u30eb\u306aSMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306f\u62e1\u5f35\u304c\u96e3\u3057\u304f\u5230\u9054\u7387\u304c\u4f4e\u3044\u5834\u5408\u304c\u591a\u3044\u305f\u3081\u3001\u901a\u5e38\u306f\u30c6\u30b9\u30c8\u76ee\u7684\u3067\u3057\u304b\u4f7f\u308f\u308c\u307e\u305b\u3093\u3002<\/p>\n<h3>SMTP\u30b5\u30fc\u30d0\u3092\u81ea\u4f5c\u3059\u308b\u3079\u304d\uff1f<\/h3>\n<p>SMTP\u30b5\u30fc\u30d0\u306e\u81ea\u4f5c\u306b\u306f\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6642\u9593\u3068\u52b4\u529b\u3092\u8cbb\u3084\u3057\u3066\u81ea\u524d\u3067\u6e96\u5099\u3059\u308b\u4fa1\u5024\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u30b3\u30b9\u30c8\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u30b5\u30dd\u30fc\u30c8\u306e\u89b3\u70b9\u304b\u3089\u5224\u65ad\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4>\u81ea\u4f5c\u306e\u30e1\u30ea\u30c3\u30c8\u3001\u30c7\u30e1\u30ea\u30c3\u30c8<\/h4>\n<p>\u30e1\u30ea\u30c3\u30c8\uff1a<\/p>\n<ul>\n<li>\u30b7\u30b9\u30c6\u30e0\u3084\u8a2d\u5b9a\u3092\u7d30\u304b\u304f\u5236\u5fa1\u3067\u304d\u308b<\/li>\n<li>\u9001\u4fe1\u3092\u76e3\u8996\u3057\u3001\u5230\u9054\u7387\u5411\u4e0a\u306e\u305f\u3081\u306e\u8abf\u6574\u3092\u884c\u3048\u308b<\/li>\n<li>\u72ec\u81ea\u306e\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u8a2d\u5b9a\u3067\u304d\u308b<\/li>\n<\/ul>\n<p>\u30c7\u30e1\u30ea\u30c3\u30c8\uff1a<\/p>\n<ul>\n<li>\u30e1\u30fc\u30eb\u306e\u5230\u9054\u72b6\u6cc1\u306f\u523b\u3005\u3068\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u5e38\u306b\u30b5\u30fc\u30d0\u3092\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044<\/li>\n<li>\u30e1\u30f3\u30c6\u30f3\u30ca\u30f3\u30b9\u3084\u30c8\u30e9\u30d6\u30eb\u3067\u30b7\u30b9\u30c6\u30e0\u304c\u9577\u6642\u9593\u505c\u6b62\u3057\u3001\u30d3\u30b8\u30cd\u30b9\u306b\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u6050\u308c\u304c\u3042\u308b<\/li>\n<li>\u8a8d\u8a3c\u306a\u3069\u306e\u8a2d\u5b9a\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u5834\u5408\u3067\u3082\u3001\u81ea\u8eab\u3067\u89e3\u6c7a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/li>\n<\/ul>\n<h4>\u8cbb\u7528\u3001\u6642\u9593<\/h4>\n<p>SMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u5951\u7d04\u3059\u308b\u5834\u5408\u3001\u5c0e\u5165\u6642\u306e\u30b3\u30b9\u30c8\u306f\u81ea\u4f5c\u3059\u308b\u3088\u308a\u9ad8\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001SMTP\u30b5\u30fc\u30d0\u306f\u69cb\u7bc9\u3059\u308c\u3070\u7d42\u308f\u308a\u3067\u306f\u306a\u304f\u3001\u7dad\u6301\u306b\u3082\u5de5\u6570\u304c\u304b\u304b\u308a\u307e\u3059\u3002 \u30b5\u30fc\u30d0\u3092\u5e38\u306b\u7ba1\u7406\u3057\u306a\u304c\u3089\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u66f4\u65b0\u3057\u305f\u308a\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3063\u305f\u308a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\uff08ESP\uff09\u3067\u3042\u308bSendGrid\u306f<a href=\"https:\/\/sendgrid.com\/en-us\/solutions\/email-api\/proven-email-infrastructure\" rel=\"noopener\" target=\"_blank\">99.99\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u7a3c\u50cd\u7387\u3092\u5b9f\u73fe<\/a>\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u6570\u5b57\u3092\u9054\u6210\u3059\u308b\u307e\u3067\u306b\u306f\u6570\u5e74\u3092\u304b\u3051\u3066\u5fae\u8abf\u6574\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u81ea\u4f5c\u3059\u308b\u5834\u5408\u3001\u524d\u8ff0\u306e\u3068\u304a\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u8abf\u6574\u3084\u62e1\u5f35\u306b\u4f34\u3063\u3066\u30b7\u30b9\u30c6\u30e0\u3092\u505c\u6b62\u305b\u3056\u308b\u3092\u5f97\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u505c\u6b62\u304c\u4f01\u696d\u306b\u4e0e\u3048\u308b\u30b3\u30b9\u30c8\u306f\u81a8\u5927\u306a\u3082\u306e\u306b\u306a\u308b\u305f\u3081\u3001\u305d\u306e\u70b9\u3082\u8003\u616e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h4>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/h4>\n<p>\u4e00\u5ea6\u306b\u6570\u767e\u901a\u898f\u6a21\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u3067\u304d\u308c\u3070\u5341\u5206\u3067\u3001\u6570\u5343\uff5e\u6570\u4e07\u901a\u3092\u9001\u308c\u308b\u3088\u3046\u30b5\u30fc\u30d0\u3092\u62e1\u5f35\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u81ea\u4f5c\u3059\u308b\u306e\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n\u4e00\u65b9\u3001\u4eca\u5f8c\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u898f\u6a21\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u6570\u5341\uff5e\u6570\u767e\u4e07\u4eba\u3082\u306e\u9867\u5ba2\u306b\u5b9a\u671f\u7684\u306b\u9001\u4fe1\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306b\u3001\u81ea\u524d\u306e\u30b5\u30fc\u30d0\u3092\u62e1\u5f35\u3055\u305b\u308b\u306e\u306f\u3068\u3066\u3082\u5927\u5909\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30e1\u30fc\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u6210\u9577\u3057\u3066\u304f\u308b\u3068\u3001\u5230\u9054\u7387\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u4eca\u5ea6\u306f\u30e1\u30fc\u30eb\u304c\u53d7\u4fe1\u8005\u306b\u3069\u3046\u6271\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u77e5\u308a\u305f\u3044\u3068\u601d\u3046\u306f\u305a\u3067\u3059\u3002SendGrid\u3067\u306f\u3001\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u914d\u4fe1\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4>\u30b5\u30dd\u30fc\u30c8<\/h4>\n<p>Twilio SendGrid\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001\u30e1\u30fc\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u554f\u984c\u306b\u76f4\u9762\u3057\u305f\u969b\u3001<a href=\"https:\/\/support.sendgrid.kke.co.jp\/hc\/ja\/articles\/203391995\" rel=\"noopener\" target=\"_blank\">\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0<\/a>\u306b\u983c\u308c\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u81ea\u4f5c\u3057\u305fSMTP\u30b5\u30fc\u30d0\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f55\u304b\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u793e\u5185\u958b\u767a\u8005\u3084\u30e1\u30fc\u30eb\u6709\u8b58\u8005\u306a\u3069\u3092\u983c\u308a\u3064\u3064\u81ea\u529b\u3067\u89e3\u6c7a\u3059\u308b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001\u30b5\u30fc\u30d0\u306e\u62e1\u5f35\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u5c0f\u898f\u6a21\u306a\u9001\u4fe1\u3067\u3042\u308c\u3070\u81ea\u5206\u3067\u69cb\u7bc9\u3059\u308b\u65b9\u304c\u9069\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u305d\u306e\u5834\u5408\u3067\u3082\u30b5\u30fc\u30d0\u306e\u7ba1\u7406\u3084\u4fdd\u5b88\u3092\u3059\u308b\u4eba\u54e1\u306f\u5fc5\u8981\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u7dcf\u5408\u7684\u306b\u898b\u308c\u3070\u3001\u307b\u3068\u3093\u3069\u306e\u4f01\u696d\u306b\u3068\u3063\u3066\u5916\u90e8\u306eSMTP\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u307b\u3046\u304c\u9069\u3057\u3066\u3044\u308b\u3068\u8a00\u3048\u307e\u3059\u3002 \u4fe1\u983c\u6027\u3084\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u9ad8\u304f\u3001\u4f5c\u696d\u5de5\u6570\u3082\u6e1b\u3089\u305b\u308b\u306e\u3067\u3001\u30d3\u30b8\u30cd\u30b9\u3092\u6210\u9577\u3055\u305b\u308b\u3053\u3068\u306b\u6ce8\u529b\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>Twilio SendGrid\u306eSMTP\u30b5\u30fc\u30d0\u3092\u4f7f\u3046\u65b9\u6cd5<\/h3>\n<p>\u3053\u3053\u307e\u3067\u3001\u305d\u308c\u305e\u308c\u306e\u8abf\u9054\u65b9\u6cd5\u306e\u7279\u5fb4\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u3002\u6b21\u306f\u3001SendGrid\u3067SMTP\u30b5\u30fc\u30d0\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h5>1\uff0e<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/API_Reference\/SMTP_API\/getting_started_smtp.html\" rel=\"noopener\" target=\"_blank\">Telnet\u3067\u30c6\u30b9\u30c8\u9001\u4fe1\u3059\u308b<\/a><\/h5>\n<p>X-SMTPAPI\u30d8\u30c3\u30c0\u306e\u4f7f\u3044\u65b9\u306b\u6163\u308c\u308b\u305f\u3081\u3001\u307e\u305a\u306fTelnet\u3067\u30c6\u30b9\u30c8\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30c6\u30b9\u30c8\u9001\u4fe1\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u6e96\u5099\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/sendgrid.kke.co.jp\/app?p=signup.index&#038;utm_source=sg&#038;utm_medium=web&#038;utm_campaign=blog\" rel=\"noopener\" target=\"_blank\">Twilio SendGrid\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4f5c\u6210<\/a><\/li>\n<li><a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/Tutorials\/A_Transaction_Mail\/manage_api_key.html#-Generate\" rel=\"noopener\" target=\"_blank\">API\u30ad\u30fc\u306e\u4f5c\u6210<\/a>\uff08\u30e1\u30fc\u30eb\u9001\u4fe1(Mail Send)\u6a29\u9650\u3092\u6301\u3064API\u30ad\u30fc\u304c\u5fc5\u8981\u3067\u3059\uff09<\/li>\n<\/ul>\n<p>\u6e96\u5099\u304c\u6574\u3063\u305f\u3089\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u3044\u3066<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/API_Reference\/SMTP_API\/getting_started_smtp.html#-Sending-a-test-SMTP-email-with-Telnet\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089\u306e\u624b\u9806<\/a>\u3092\u53c2\u8003\u306b\u9001\u4fe1\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h5>2\uff0e<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/API_Reference\/SMTP_API\/integrating_with_the_smtp_api.html\" rel=\"noopener\" target=\"_blank\">Twilio SendGrid\u3092\u81ea\u793e\u30b5\u30fc\u30d3\u30b9\u3068\u9023\u643a\u3055\u305b\u308b<\/a><\/h5>\n<p>SMTP\u30b5\u30fc\u30d0\u306e\u8a2d\u5b9a\u306b\u3001SendGrid\u306e<a href=\"https:\/\/support.sendgrid.kke.co.jp\/hc\/ja\/articles\/204187885\" rel=\"noopener\" target=\"_blank\">SMTP\u63a5\u7d9a\u60c5\u5831<\/a>\u3092\u6307\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u306e\u969b\u3001\u4f7f\u7528\u3059\u308b\u30dd\u30fc\u30c8\u306f587\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u30dd\u30fc\u30c825\u3067\u306f\u9001\u4fe1\u304c\u3067\u304d\u306a\u3044\u30b5\u30fc\u30d0\u3082\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u8a73\u7d30\u306f<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=12756\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h5>3\uff0e<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/API_Reference\/SMTP_API\/building_an_smtp_email.html\" rel=\"noopener\" target=\"_blank\">X-SMTPAPI\u30d8\u30c3\u30c0\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b<\/a><\/h5>\n<p>\u4ef6\u540d\u3084\u5b9b\u5148\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u8a2d\u5b9a\u306a\u3069\u3001\u30e1\u30fc\u30eb\u306e\u5177\u4f53\u7684\u306a\u5185\u5bb9\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002X-SMTPAPI\u30d8\u30c3\u30c0\u3092\u4f7f\u3048\u3070\u3001\u7f6e\u63db\u30bf\u30b0\u3067\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30ba\u3059\u308b\u306a\u3069\u3001\u30e1\u30fc\u30eb\u3092\u7c21\u5358\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u9001\u4fe1\u30a8\u30e9\u30fc\u306b\u306a\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/API_Reference\/SMTP_API\/errors_and_troubleshooting.html\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u65e9\u901fSendGrid\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/h3>\n<p>Twilio SendGrid\u3092\u4f7f\u3048\u3070\u3001\u81ea\u793e\u30b7\u30b9\u30c6\u30e0\u3068\u7c21\u5358\u306b\u9023\u643a\u3057\u3001\u30b5\u30fc\u30d0\u7ba1\u7406\u306e\u5fc3\u914d\u3092\u3059\u308b\u3053\u3068\u306a\u304f\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u3067\u304d\u307e\u3059\u3002SendGrid\u306b\u306f\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3082\u3042\u308b\u306e\u3067\u3001\u307e\u305a\u306f<a href=\"https:\/\/sendgrid.kke.co.jp\/app?p=signup.index&#038;utm_source=sg&#038;utm_medium=web&#038;utm_campaign=blog\" rel=\"noopener\" target=\"_blank\">\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210<\/a>\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n<p>\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3046\u304b\u81ea\u524d\u3067SMTP\u30b5\u30fc\u30d0\u3092\u6e96\u5099\u3059\u308b\u304b\u3001\u3055\u3089\u306b\u8a73\u3057\u304f\u691c\u8a0e\u3057\u305f\u3044\u65b9\u306f\u3001\u6d3b\u7528\u30ac\u30a4\u30c9\u300c<a href=\"https:\/\/sendgrid.kke.co.jp\/guides\/email-infrastructure\/\" rel=\"noopener\" target=\"_blank\">\u30e1\u30fc\u30eb\u30a4\u30f3\u30d5\u30e9\u69cb\u7bc9\u306e\u52d8\u6240<\/a>\u300d\u3082\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\uff1c\u53c2\u8003\uff1e<\/p>\n<ul>\n<li><a href=\"https:\/\/sendgrid.kke.co.jp\/docs\/API_Reference\/SMTP_API\/getting_started_smtp.html\" rel=\"noopener\" target=\"_blank\">SMTP\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=1366\" rel=\"noopener\" target=\"_blank\">3\u5206\u3067\u308f\u304b\u308b\uff01SMTP\u30b5\u30fc\u30d3\u30b9\u8b1b\u5ea7<\/a><\/li>\n<li><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=9320\" rel=\"noopener\" target=\"_blank\">Gmail\u304b\u3089\u4efb\u610f\u306eSMTP\u30b5\u30fc\u30d0\u3092\u5229\u7528\u3057\u3066\u30e1\u30fc\u30eb\u9001\u4fe1\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=14541\" rel=\"noopener\" target=\"_blank\">SMTP\u8a8d\u8a3c\u306e\u91cd\u8981\u6027\u3068\u3001SendGrid\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/a><\/li>\n<li><a href=\"https:\/\/sendgrid.com\/marketing\/email-deliverability-guide\/\" rel=\"noopener\" target=\"_blank\">2023 Email Deliverability Guide<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u306f How to Setup a Free SMTP Server (Buying vs. DIYing) \u306e\u6284\u8a33\u3067\u3059\u3002 SMTP\u30b5\u30fc\u30d0\u306f\u30e1\u30fc\u30eb\u9001\u4fe1\u306b\u304b\u304b\u305b\u307e\u305b\u3093\u304c\u3001\u81ea\u524d\u3067\u69cb\u7bc9\u3059\u308b\u306e\u304b\u3001\u5916\u90e8\u306eSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3 <a class=\"read-more\" href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=14512\">&#8230;\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":16361,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9,11],"tags":[],"class_list":["post-14512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-practices","category-technical"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14512","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=14512"}],"version-history":[{"count":13,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14512\/revisions"}],"predecessor-version":[{"id":20528,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14512\/revisions\/20528"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/media\/16361"}],"wp:attachment":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}