{"id":2115,"date":"2025-11-13T11:30:27","date_gmt":"2025-11-13T02:30:27","guid":{"rendered":"https:\/\/ec2-54-238-200-5.ap-northeast-1.compute.amazonaws.com\/blog\/?p=2115"},"modified":"2025-11-13T14:11:30","modified_gmt":"2025-11-13T05:11:30","slug":"ip%e3%83%ac%e3%83%94%e3%83%a5%e3%83%86%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3-vs-%e3%83%89%e3%83%a1%e3%82%a4%e3%83%b3%e3%83%ac%e3%83%94%e3%83%a5%e3%83%86%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%80%90","status":"publish","type":"post","link":"https:\/\/sendgrid.kke.co.jp\/blog\/?p=2115","title":{"rendered":"IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3 vs. \u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2023\/02\/20230209_blog.png\" alt=\"IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3 vs. \u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\" width=\"100%\" class=\"aligncenter size-full wp-image-16342\" srcset=\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2023\/02\/20230209_blog.png 650w, https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2023\/02\/20230209_blog-300x185.png 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<blockquote>\n<p>\u3053\u306e\u8a18\u4e8b\u306f <a href=\"https:\/\/www.twilio.com\/en-us\/blog\/insights\/email-reputation-101-ip-reputation-vs-domain-reputation\" target=\"_blank\">IP Reputation vs. Domain Reputation: Guide for Email Senders<\/a> \u306e\u6284\u8a33\u3067\u3059\u3002<\/p>\n<\/blockquote>\n<p>\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u539f\u56e0\u306e\u591a\u304f\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u4e0d\u5177\u5408\u3067\u306f\u306a\u304f\u3001\u9001\u4fe1\u8005\u306e\u4fe1\u983c\u6027\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u5de6\u53f3\u3059\u308b\u8981\u7d20\u306f\u3001\u9001\u4fe1\u8005\u8a8d\u8a3c\u306e\u8a2d\u5b9a\u72b6\u6cc1\u3084\u5b9b\u5148\u30ea\u30b9\u30c8\u306e\u54c1\u8cea\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306a\u3069\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u4e2d\u3067\u3082\u7279\u306b\u91cd\u8981\u306a\u306e\u304c\u300c<a href=\"https:\/\/support.sendgrid.kke.co.jp\/hc\/ja\/articles\/25050550861593\" rel=\"noopener\" target=\"_blank\">\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3<\/a>\u300d\u3067\u3059\u3002<\/p>\n<p>ISP\uff08\u30a4\u30f3\u30dc\u30c3\u30af\u30b9\u30fb\u30d7\u30ed\u30d0\u30a4\u30c0\uff09\u306f\u3001\u30e1\u30fc\u30eb\u304c\u9069\u5207\u306b\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u5e38\u306b\u76e3\u8996\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u3082\u3068\u306b\u9001\u4fe1\u8005\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u968f\u6642\u66f4\u65b0\u3057\u3066\u3001\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u300cIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u300d\u3068\u300c\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u300d\u306e2\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\nIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u8a55\u4fa1\u304c\u5909\u308f\u308a\u3084\u3059\u304f\u4e0d\u5b89\u5b9a\u3067\u3059\u304c\u3001\u8a55\u4fa1\u304c\u4e0b\u304c\u3063\u3066\u30822\uff5e4\u9031\u9593\u307b\u3069\u9069\u5207\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u7d99\u7d9a\u3059\u308b\u3053\u3068\u3067\u6bd4\u8f03\u7684\u5bb9\u6613\u306b\u56de\u5fa9\u3067\u304d\u307e\u3059\u3002\u4e00\u65b9\u3001\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u4e00\u5ea6\u8a55\u4fa1\u304c\u4e0b\u304c\u308b\u3068\u56de\u5fa9\u304c\u96e3\u3057\u304f\u3001\u30e1\u30fc\u30eb\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3084\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3001\u3055\u3089\u306b\u306f\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u5909\u66f4\u3057\u3066\u3082\u5f15\u304d\u7d99\u304c\u308c\u308b\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u306fIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3070\u304b\u308a\u3092\u6c17\u306b\u304b\u3051\u3066\u3044\u307e\u3059\u304c\u3001\u6700\u8fd1\u306eISP\u306f\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u3088\u308a\u91cd\u8996\u3059\u308b\u50be\u5411\u304c\u5f37\u307e\u3063\u3066\u304a\u308a\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3088\u308a\u3082\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u512a\u5148\u3059\u308b\u30b1\u30fc\u30b9\u3082\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3069\u3061\u3089\u304b\u4e00\u65b9\u3067\u3082\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u8aa4\u308b\u3068\u3001\u30e1\u30fc\u30eb\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u5c4a\u304f\u3053\u3068\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002\u8ab0\u306e\u76ee\u306b\u3082\u89e6\u308c\u305a\u3001\u3053\u308c\u307e\u3067\u306e\u52aa\u529b\u3084\u6642\u9593\u304c\u3059\u3079\u3066\u6c34\u306e\u6ce1\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u7d44\u307f\u30842\u7a2e\u985e\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4e3b\u306a\u9055\u3044\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f<\/h3>\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b\u3082\u306e\u3068\u3057\u3066IP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=14407\" rel=\"noopener\" target=\"_blank\">IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3<\/a>\u3068\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u3067\u9001\u4fe1\u5143\u3092\u8a55\u4fa1\u3059\u308b\u6307\u6a19\u3067\u3059\u3002<\/p>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306b\u306f\u3001\u81ea\u5206\u304c\u5360\u6709\u3059\u308b\u300c\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u300d\u3068\u3001\u8907\u6570\u306e\u5229\u7528\u8005\u3067\u5171\u540c\u5229\u7528\u3059\u308b\u300c\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\u300d\u304c\u3042\u308a\u307e\u3059\u3002\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u306f\u3001\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3063\u3066\u72ec\u81ea\u306eIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<br \/>\nIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u901a\u5e380\u301c100\u306e\u7bc4\u56f2\u3067\u8a55\u4fa1\u3055\u308c\u300180\u4ee5\u4e0a\u3067\u3042\u308c\u3070\u826f\u597d\u300170\u672a\u6e80\u3060\u3068\u30e1\u30fc\u30eb\u306e\u5230\u9054\u6027\u306b\u60aa\u5f71\u97ff\u304c\u51fa\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u4e3b\u306a\u8981\u7d20\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u9001\u4fe1\u901a\u6570\u306e\u5b89\u5b9a\u6027\uff08\u6025\u306a\u5897\u6e1b\u306e\u6709\u7121\uff09<\/li>\n<li>\u30d0\u30a6\u30f3\u30b9\u7387<\/li>\n<li>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387<\/li>\n<li>\u9001\u4fe1\u8005\u8a8d\u8a3c\u306e\u6210\u529f\u7387\uff08SPF\u3084DKIM\u306a\u3069\uff09<\/li>\n<li>\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u306e\u9ad8\u3055\uff08\u958b\u5c01\u7387\u3084\u30af\u30ea\u30c3\u30af\u7387\u306a\u3069\uff09<\/li>\n<li>\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3078\u306e\u63b2\u8f09\u72b6\u6cc1<\/li>\n<\/ul>\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u3068\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\u306e\u3088\u3046\u306b\u7570\u306a\u308b\u7a2e\u985e\u306e\u30e1\u30fc\u30eb\u3092\u9001\u308b\u5834\u5408\u306f\u3001\u901a\u6570\u306b\u304b\u304b\u308f\u3089\u305aIP\u30a2\u30c9\u30ec\u30b9\u3092\u5206\u3051\u308b\u3079\u304d\u3067\u3059\u3002IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5206\u96e2\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u9ad8\u304f\u7dad\u6301\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\u3068\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u306e\u9055\u3044\u306f<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=10987\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089<\/a>\u3001\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u9ad8\u304f\u4fdd\u3064\u305f\u3081\u306b\u6b20\u304b\u305b\u306a\u3044\u300cIP\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u300d\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=15531\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f<\/h3>\n<p><a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=4424\" rel=\"noopener\" target=\"_blank\">\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3<\/a>\u3068\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u306a\u304f\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u6307\u6a19\u3067\u3059\u3002\u3053\u306e\u6307\u6a19\u306b\u5247\u3063\u305f\u5834\u5408\u3001ISP\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u30d6\u30e9\u30f3\u30c9\uff08\u30c9\u30e1\u30a4\u30f3\uff09\u304c\u512a\u5148\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u4e3b\u306a\u8981\u7d20\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30c9\u30e1\u30a4\u30f3\u306e\u5229\u7528\u671f\u9593\u3084\u5b9f\u7e3e<\/li>\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4fe1\u983c\u6027\u3084\u30a2\u30af\u30bb\u30b9\u6570<\/li>\n<li>\u9001\u4fe1\u8005\u8a8d\u8a3c\u306e\u8a2d\u5b9a\u72b6\u6cc1<\/li>\n<li>\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3068\u30eb\u30fc\u30c8\u30c9\u30e1\u30a4\u30f3\u306e\u4f7f\u3044\u5206\u3051<\/li>\n<li>\u4ed6\u30c1\u30e3\u30cd\u30eb\u306b\u304a\u3051\u308b\u30d6\u30e9\u30f3\u30c9\u3078\u306e\u8a55\u4fa1<\/li>\n<\/ul>\n<p>Gmail\u3084Yahoo!\u30e1\u30fc\u30eb\u306a\u3069\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u5358\u4f4d\u3067\u306f\u306a\u304f\u30c9\u30e1\u30a4\u30f3\u5358\u4f4d\u3067\u9001\u4fe1\u8005\u3092\u8a55\u4fa1\u3059\u308b\u3088\u3046\u30b7\u30d5\u30c8\u3057\u3066\u304d\u3066\u304a\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u91cd\u8981\u6027\u304c\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u3069\u3061\u3089\u3092\u91cd\u8996\u3059\u308b\u304b\u306fISP\u6b21\u7b2c\u3067\u3059\u3002IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3088\u308a\u3082\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u91cd\u8996\u3059\u308bISP\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u591a\u304f\u306eISP\u306f\u4e21\u65b9\u3092\u898b\u3066\u7dcf\u5408\u7684\u306b\u53d7\u4fe1\u30e1\u30fc\u30eb\u306e\u6271\u3044\u3092\u6c7a\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30c9\u30e1\u30a4\u30f3\u30aa\u30fc\u30bd\u30ea\u30c6\u30a3\u3082\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u30aa\u30fc\u30bd\u30ea\u30c6\u30a3\u3068\u306f\u3001\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u304b\u3089\u3069\u306e\u7a0b\u5ea6\u4fe1\u983c\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u793a\u3059\u6307\u6a19\u3067\u3059\u3002\u30b9\u30b3\u30a2\u304c\u9ad8\u3044\u307b\u3069\u5f71\u97ff\u529b\u304c\u5f37\u3044\u3068\u898b\u306a\u3055\u308c\u3001\u691c\u7d22\u7d50\u679c\u30da\u30fc\u30b8\u3067\u4e0a\u4f4d\u306b\u8868\u793a\u3055\u308c\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u4e00\u898b\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3068\u306f\u7121\u95a2\u4fc2\u306b\u601d\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001ISP\u306f\u3053\u306e\u6307\u6a19\u3082\u5224\u65ad\u6750\u6599\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u610f\u7fa9<\/h4>\n<p>\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u6301\u3061\u904b\u3079\u308b\u4ed5\u7d44\u307f\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u66f4\u3084\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u306e\u79fb\u884c\u3092\u67d4\u8edf\u306b\u884c\u3044\u305f\u3044\u9001\u4fe1\u8005\u306b\u3068\u3063\u3066\u3001\u3053\u308c\u307e\u3067\u306b\u7bc9\u3044\u305f\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3067\u304d\u308b\u3068\u3044\u3046\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u9055\u3044<\/h3>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3069\u3061\u3089\u3082\u91cd\u8981\u3067\u3059\u304c\u6027\u8cea\u304c\u7570\u306a\u308a\u307e\u3059\u3002<br \/>\n\u305d\u308c\u305e\u308c\u306e\u9055\u3044\u3092\u3082\u3046\u5c11\u3057\u6398\u308a\u4e0b\u3052\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u8cc3\u8cb8\u7269\u4ef6\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u74b0\u5883\u3092\u5909\u3048\u3066\u65b0\u305f\u306b\u3084\u308a\u76f4\u3059\u3053\u3068\u304c\u6bd4\u8f03\u7684\u7c21\u5358\u3067\u3059\u3002\u4e00\u65b9\u3001\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u6301\u3061\u5bb6\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u3044\u3063\u305f\u3093\u8a55\u4fa1\u304c\u5b9a\u307e\u308b\u3068\u5909\u3048\u308b\u306e\u306f\u5bb9\u6613\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u5384\u4ecb\u306a\u306e\u306f\u3001\u3069\u3061\u3089\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u91cd\u8996\u3059\u308b\u304b\u306e\u5224\u65ad\u304cISP\u3054\u3068\u306b\u5927\u304d\u304f\u7570\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u6210\u529f\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u4e21\u65b9\u306e\u7279\u5fb4\u3092\u6b63\u3057\u304f\u898b\u6975\u3081\u3001\u9001\u4fe1\u8005\u3068\u3057\u3066\u9ad8\u3044\u4fe1\u983c\u3092\u7bc9\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<table>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3<\/th>\n<th>\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<tr>\n<td>\u6301\u3061\u904b\u3073\u3084\u3059\u3055<\/td>\n<td>\u4f4e\uff08\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u7d10\u3065\u304f\uff09<\/td>\n<td>\u9ad8\uff08IP\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3057\u3066\u3082\u5f15\u304d\u7d99\u304c\u308c\u308b\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u5fa9\u3059\u308b\u306e\u306b\u304b\u304b\u308b\u671f\u9593<\/td>\n<td>2\u301c4\u9031\u9593<\/td>\n<td>6\u301c12\u9031\u9593<\/td>\n<\/tr>\n<tr>\n<td>\u8a55\u4fa1\u306b\u5f71\u97ff\u3059\u308b\u8981\u7d20<\/td>\n<td>\u9001\u4fe1\u30d1\u30bf\u30fc\u30f3<\/td>\n<td>\u9001\u4fe1\u30d1\u30bf\u30fc\u30f3\uff0b\u30c9\u30e1\u30a4\u30f3\u30aa\u30fc\u30bd\u30ea\u30c6\u30a3<\/td>\n<\/tr>\n<tr>\n<td>\u7ba1\u7406\u3057\u3084\u3059\u3055<\/td>\n<td>\u9ad8\uff08\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/td>\n<td>\u9ad8\uff08\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5171\u6709\u30ea\u30b9\u30af<\/td>\n<td>\u3042\u308a\uff08\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\uff09<\/td>\n<td>\u306a\u3057<\/td>\n<\/tr>\n<tr>\n<td>Gmail\u306e\u91cd\u8996\u5ea6<\/td>\n<td>\u4e2d<\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<\/table>\n<h3>\u81ea\u8eab\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u628a\u63e1\u3057\u3088\u3046<\/h3>\n<p>\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u30c4\u30fc\u30eb\u3067\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u3082\u306e\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u6c17\u306b\u306a\u308b\u65b9\u306f<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=11000\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u306a\u304a\u3001\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5224\u65ad\u3059\u308b\u7d76\u5bfe\u7684\u306a\u57fa\u6e96\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<br \/>\n\u81ea\u8eab\u306e\u30e1\u30fc\u30eb\u304cISP\u306b\u3069\u3046\u898b\u3089\u308c\u308b\u304b\u3092\u6b63\u3057\u304f\u628a\u63e1\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u9ad8\u304f\u7dad\u6301\u3057\u3001\u30e1\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u5c4a\u3051\u307e\u3057\u3087\u3046\u3002<br \/>\n\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=2847\" rel=\"noopener\" target=\"_blank\">\u3053\u3061\u3089<\/a>\u3067\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u306f IP Reputation vs. Domain Reputation: Guide for Email Senders \u306e\u6284\u8a33\u3067\u3059\u3002 \u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u539f\u56e0\u306e\u591a\u304f\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u4e0d\u5177\u5408\u3067\u306f\u306a\u304f\u3001\u9001\u4fe1\u8005 <a class=\"read-more\" href=\"https:\/\/sendgrid.kke.co.jp\/blog\/?p=2115\">&#8230;\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":16342,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-2115","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\/2115","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=2115"}],"version-history":[{"count":6,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2115\/revisions"}],"predecessor-version":[{"id":19693,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2115\/revisions\/19693"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/media\/16342"}],"wp:attachment":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}