{"id":3419,"date":"2020-04-30T10:30:54","date_gmt":"2020-04-30T01:30:54","guid":{"rendered":"https:\/\/blastmail.jp\/blog\/?p=3419"},"modified":"2025-12-23T10:07:51","modified_gmt":"2025-12-23T01:07:51","slug":"mail-error","status":"publish","type":"post","link":"https:\/\/blastmail.jp\/blog\/no-delivery\/mail-error","title":{"rendered":"\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u30fb\u5bfe\u51e6\u6cd5\u4e00\u89a7\uff01\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306e\u7ba1\u7406\u3092\u3082\u3063\u3068\u7c21\u5358\u306b\u3059\u308b\u306b\u306f\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-3422\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2020\/04\/mail-error-2.jpg\" alt=\"\" width=\"1024\" height=\"682\" \/><\/p>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u6642\u306b\u30a8\u30e9\u30fc\u304c\u8d77\u3053\u3063\u3066\u3057\u307e\u3063\u305f\u7d4c\u9a13\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u4e00\u8a00\u306b\u30a8\u30e9\u30fc\u3068\u8a00\u3063\u3066\u3082\u3001\u305d\u306e\u539f\u56e0\u306f\u69d8\u3005\u3067\u3059\u3002\u30a8\u30e9\u30fc\u304c\u8d77\u3053\u308b\u539f\u56e0\u306e\u4e2d\u306b\u306f\u3001\u65e9\u6025\u306a\u5bfe\u5fdc\u3092\u3057\u306a\u3051\u308c\u3070\u5229\u76ca\u306b\u76f4\u7d50\u3057\u3066\u3057\u307e\u3046\u3082\u306e\u3082\u3042\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u7279\u306b\u3001\u30e1\u30eb\u30de\u30ac\u3092\u4f7f\u3063\u305f\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u62c5\u5f53\u3057\u3066\u3044\u308b\u65b9\u306f\u3001\u30e1\u30eb\u30de\u30ac\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5\u306f\u3057\u3063\u304b\u308a\u3068\u628a\u63e1\u3057\u3066\u304a\u304b\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3092\u51fa\u3057\u7d9a\u3051\u3066\u3057\u307e\u3046\u3068\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u60aa\u5f71\u97ff\u304c\u53ca\u3073\u3001<strong>\u6b63\u5e38\u306a\u914d\u4fe1\u304c\u59a8\u3052\u3089\u308c\u308b\u6050\u308c\u304c\u3042\u308b<\/strong>\u304b\u3089\u3067\u3059\u3002\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306b\u306f\u300cUser Unknown\u300d\u300cHOST Unknown\u300d\u306a\u3069\u306e\u6587\u5b57\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4e00\u76ee\u3067\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u898b\u629c\u304f\u306e\u306f\u96e3\u3057\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u6642\u306b\u8868\u793a\u3055\u308c\u308b\u6587\u5b57\u3068\u305d\u306e\u539f\u56e0\u3092\u4e00\u89a7\u306b\u3057\u3001\u5bfe\u51e6\u6cd5\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u3092\u884c\u3046\u4e0a\u3067\u8ab2\u984c\u3068\u306a\u308b\u3001\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u30a2\u30c9\u30ec\u30b9\u306e\u7ba1\u7406\u306b\u3064\u3044\u3066\u3082\u89e3\u8aac\u3057\u307e\u3059\u306e\u3067\u3001\u662f\u975e\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u306f\u300cMail Delivery Subsystem\u300d\u304b\u3089\u5c4a\u304f<\/h2>\n<p>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306b\u30a8\u30e9\u30fc\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u3001\u300cMail Delivery Subsystem\u300d\u304b\u3089\u30e1\u30fc\u30eb\u304c\u5c4a\u304d\u307e\u3059\u3002<\/p>\n<p>\u300cMail Delivery Subsystem\u300d\u304b\u3089\u306e\u30e1\u30fc\u30eb\u306b\u306f\u3001\u30a8\u30e9\u30fc\u306e\u5185\u5bb9\u304c\u8a18\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u30a8\u30e9\u30fc\u306e\u8a73\u3057\u3044\u5185\u5bb9\u306f<strong>\u3053\u306e\u30e1\u30fc\u30eb\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u628a\u63e1\u304c\u3067\u304d\u307e\u3059<\/strong>\u3002<\/p>\n<p>\u5f8c\u8ff0\u3059\u308b\u300cMail Delivery Subsystem\u300d\u306e\u8a18\u8f09\u3068\u30a8\u30e9\u30fc\u306e\u8a73\u7d30\u3092\u53c2\u8003\u306b\u5bfe\u51e6\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u4e00\u89a7<\/h2>\n<p>\u300cMail Delivery Subsystem\u300d\u304b\u3089\u5c4a\u304f\u3001\u4ee3\u8868\u7684\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n<div class=\"su-table su-table-alternate\">\n<table>\n<tbody>\n<tr>\n<td>User unknown<\/td>\n<td>\u30db\u30b9\u30c8\u540d\u304c\u9593\u9055\u3063\u3066\u3044\u308b<\/td>\n<\/tr>\n<tr>\n<td>HOST unknown<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u304c\u9593\u9055\u3063\u3066\u3044\u308b<\/td>\n<\/tr>\n<tr>\n<td>Message content rejected<\/td>\n<td>\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u305f<\/td>\n<\/tr>\n<tr>\n<td>Storage quota exceeded<br \/>\nMessage size exceeds remaining<\/td>\n<td>\u53d7\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u5bb9\u91cf\u904e\u591a<\/td>\n<\/tr>\n<tr>\n<td>Too much mail date<\/td>\n<td>\u914d\u4fe1\u3059\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30b5\u30a4\u30ba\u904e\u591a<\/td>\n<\/tr>\n<tr>\n<td>Your envelope rejected is in my badrcptto list<\/td>\n<td>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u306b\u5f15\u3063\u304b\u304b\u3063\u3066\u3044\u308b<br \/>\n\u53d7\u4fe1\u62d2\u5426\u8a2d\u5b9a\u3092\u3055\u308c\u3066\u3044\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u3053\u308c\u4ee5\u5916\u306b\u3082\u300c\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3067\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u300d\u3053\u3068\u3092\u8868\u3059\u300cMessage could not be delivered\u300d\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u9001\u4fe1\u8005\u5074\u3067\u5bfe\u7b56\u30fb\u6539\u5584\u304c\u53ef\u80fd\u306a\u306e\u306f\u4e0a\u8a18\u306e\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u3088\u304f\u3042\u308b\u30e1\u30fc\u30eb\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u4e00\u89a7\u3068\u610f\u5473<\/h2>\n<p>\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\uff08\u30d0\u30a6\u30f3\u30b9\u30e1\u30fc\u30eb\uff09\u306e\u672c\u6587\u3084\u4ef6\u540d\u306b\u306f3\u6841\u306e\u6570\u5b57\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3053\u308c\u3092\u300cSMTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u300d\u3068\u547c\u3073\u307e\u3059\u3002\u3053\u306e\u6570\u5b57\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304b\u3063\u305f\u539f\u56e0\u304c\u4e00\u6642\u7684\u306a\u3082\u306e\u306a\u306e\u304b\u6052\u4e45\u7684\u306a\u3082\u306e\u306a\u306e\u304b\u3092\u7d20\u65e9\u304f\u5224\u65ad\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u82f1\u8a9e\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u6238\u60d1\u3046\u524d\u306b\u307e\u305a\u306f\u5927\u304d\u304f\u5206\u3051\u3066400\u756a\u53f0\u3068500\u756a\u53f0\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>400\u756a\u53f0\uff08\u4e00\u6642\u7684\u306a\u30a8\u30e9\u30fc\uff09\u306e\u539f\u56e0\u3068\u5bfe\u51e6<\/h3>\n<p>400\u756a\u53f0\u306e\u30b3\u30fc\u30c9\u306f\u300c\u4e00\u6642\u7684\u306a\u30a8\u30e9\u30fc\uff08Temporary Error\uff09\u300d\u3092\u793a\u3057\u3066\u304a\u308a\u6642\u9593\u3092\u7f6e\u3044\u3066\u518d\u9001\u3059\u308c\u3070\u6b63\u5e38\u306b\u5c4a\u304f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u76f8\u624b\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u3067\u3042\u3063\u305f\u308a\u4e00\u6642\u7684\u306b\u30a2\u30af\u30bb\u30b9\u304c\u96c6\u4e2d\u3057\u3066\u30c0\u30a6\u30f3\u3057\u3066\u3044\u305f\u308a\u3059\u308b\u5834\u5408\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u76f8\u624b\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u5bb9\u91cf\u304c\u3044\u3063\u3071\u3044\u3067\u4e00\u6642\u7684\u306b\u53d7\u4fe1\u3067\u304d\u306a\u3044\u72b6\u614b\uff08Mailbox full\uff09\u3067\u3042\u308b\u3053\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306f\u76f8\u624b\u304c\u30e1\u30fc\u30eb\u3092\u6574\u7406\u3057\u3066\u7a7a\u304d\u5bb9\u91cf\u3092\u4f5c\u308b\u307e\u3067\u5f85\u3064\u304b\u5225\u306e\u9023\u7d61\u624b\u6bb5\u3067\u72b6\u6cc1\u3092\u4f1d\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>500\u756a\u53f0\uff08\u6052\u4e45\u7684\u306a\u30a8\u30e9\u30fc\uff09\u306e\u539f\u56e0\u3068\u5bfe\u51e6<\/h3>\n<p>500\u756a\u53f0\u306e\u30b3\u30fc\u30c9\u306f\u300c\u6052\u4e45\u7684\u306a\u30a8\u30e9\u30fc\uff08Permanent Error\uff09\u300d\u3092\u610f\u5473\u3057\u3066\u304a\u308a\u305d\u306e\u307e\u307e\u4f55\u5ea6\u518d\u9001\u3057\u3066\u3082\u5c4a\u304f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6700\u3082\u591a\u3044\u539f\u56e0\u306f\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\uff08User Unknown\uff09\u30b1\u30fc\u30b9\u3067\u3059\u3002\u5165\u529b\u30df\u30b9\u3084\u76f8\u624b\u304c\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u305f\u3081\u9001\u4fe1\u5148\u306e\u60c5\u5831\u3092\u518d\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u76f8\u624b\u306e\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3067\u53d7\u4fe1\u62d2\u5426\u3055\u308c\u3066\u3044\u305f\u308a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u305f\u308a\u3059\u308b\u5834\u5408\u3082\u3053\u306e500\u756a\u53f0\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u4e3b\u306a\u30b3\u30fc\u30c9\u306e\u610f\u5473\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>550 Requested action not taken\uff1a<\/strong>\u5b9b\u5148\u304c\u5b58\u5728\u3057\u306a\u3044\u304b\u53d7\u4fe1\u62d2\u5426\u3055\u308c\u3066\u3044\u308b<\/li>\n<li><strong>552 Message size exceeds fixed limit\uff1a<\/strong>\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3059\u304e\u308b<\/li>\n<li><strong>553 Requested action not taken\uff1a<\/strong>\u9001\u4fe1\u5143\u306e\u30a2\u30c9\u30ec\u30b9\u5f62\u5f0f\u304c\u4e0d\u6b63\u3067\u3042\u308b<\/div><\/li>\n<\/ul>\n<h3>\u300cMailer Daemon\u300d\u3068\u306f\uff1f\u82f1\u8a9e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8aad\u307f\u65b9<\/h3>\n<p>\u9001\u4fe1\u5f8c\u306b\u623b\u3063\u3066\u304f\u308b\u82f1\u8a9e\u306e\u30e1\u30fc\u30eb\u306e\u5dee\u51fa\u4eba\u3068\u3057\u3066\u3088\u304f\u898b\u304b\u3051\u308b\u300cMailer Daemon\uff08\u30e1\u30fc\u30e9\u30fc\u30c7\u30fc\u30e2\u30f3\uff09\u300d\u3067\u3059\u304c\u3053\u308c\u306f\u60aa\u8cea\u306a\u30a6\u30a4\u30eb\u30b9\u306a\u3069\u3067\u306f\u306a\u304f\u30e1\u30fc\u30eb\u914d\u9001\u30b7\u30b9\u30c6\u30e0\u306e\u81ea\u52d5\u8fd4\u4fe1\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u540d\u79f0\u3067\u3059\u3002\u300c\u3042\u306a\u305f\u306e\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u3068\u3044\u3046\u4e8b\u5b9f\u3092\u901a\u77e5\u3057\u3066\u304f\u308c\u3066\u3044\u308b\u306b\u904e\u304e\u307e\u305b\u3093\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u672c\u6587\u5185\u306b\u3042\u308b\u300cDiagnostic-Code\u300d\u3068\u3044\u3046\u8a18\u8ff0\u306e\u8fd1\u304f\u3092\u898b\u308b\u3068\u524d\u8ff0\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3084\u5177\u4f53\u7684\u306a\u7406\u7531\u304c\u82f1\u8a9e\u3067\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u843d\u3061\u7740\u3044\u3066\u305d\u306e\u90e8\u5206\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u5bfe\u51e6\u6cd5<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u5148\u307b\u3069\u3054\u7d39\u4ecb\u3057\u305f\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3054\u3068\u306e\u5bfe\u51e6\u6cd5\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3>\u300cUser unknown\u300d\u300cHOST unknown\u300d<\/h3>\n<p>\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u8868\u3059\u306e\u304c\u300cUser unknown\u300d\u3068\u300cHOST unknown\u300d\u3067\u3059\u304c\u3001\u524d\u8005\u306f\u30e6\u30fc\u30b6\u30fc\u540d\u306b\u554f\u984c\u304c\u3042\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001\u5f8c\u8005\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u9593\u9055\u3044\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30c9\u30e1\u30a4\u30f3\u306f\uff20\u306e\u4ee5\u524d\u4ee5\u5f8c\u3067\u533a\u5225\u3092\u3057\u307e\u3059\u3002\u3053\u306e2\u3064\u306e\u610f\u5473\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u3069\u3053\u306b\u9593\u9055\u3044\u304c\u3042\u308b\u306e\u304b\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-3421\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2020\/04\/mail-error-1.png\" alt=\"\" width=\"1999\" height=\"1414\" \/><\/p>\n<p>\u76f8\u624b\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u3082\u3046\u4e00\u5ea6\u78ba\u8a8d\u3057\u3001\u300c.\u300d\u3084\u300c-\u300d\u3001\u6570\u5b57\u306a\u3069\u306e\u9593\u9055\u3044\u306a\u304c\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30e1\u30eb\u30de\u30ac\u306e\u914d\u4fe1\u3092\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u300cMail Delivery Subsystem\u300d\u304b\u3089\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u304c\u8fd4\u3063\u3066\u304d\u305f\u3068\u3057\u3066\u3082\u3001\u30a2\u30c9\u30ec\u30b9\u3092\u4fee\u6b63\u3059\u308b\u3053\u3068\u3067\u304a\u5ba2\u69d8\u306e\u5143\u3078\u30e1\u30eb\u30de\u30ac\u3092\u914d\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u300cMessage content rejected\u300d<\/h3>\n<p>\u3053\u306e\u30e1\u30fc\u30eb\u306f\u3001\u914d\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u76f8\u624b\u306e\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306b\u3001\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3068\u5224\u65ad\u3055\u308c\u305f\u969b\u306b\u9001\u3089\u308c\u3066\u304d\u307e\u3059\u3002\u30b9\u30d1\u30e0\u3068\u5224\u65ad\u3055\u308c\u308b\u539f\u56e0\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u539f\u56e0\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u304c\u30a6\u30a4\u30eb\u30b9\u611f\u67d3\u3057\u3066\u3044\u308b<\/li>\n<li>\u4ef6\u540d\u3084\u6587\u9762\u306b\u554f\u984c\u304c\u3042\u308b<\/div><\/li>\n<\/ul>\n<p>\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u3068\u3057\u3066\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5074\u3067\u30a6\u30a4\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u304c\u3055\u308c\u308b\u69d8\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u5c0e\u5165\u3059\u308b\u304b\u3001\u6dfb\u4ed8\u524d\u306b\u30a6\u30a4\u30eb\u30b9\u306e\u6709\u7121\u3092\u30b9\u30ad\u30e3\u30f3\u3067\u304d\u308b\u30bd\u30d5\u30c8\u3092\u4f7f\u3044\u5bfe\u7b56\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ef6\u540d\u3084\u6587\u9762\u306b\u554f\u984c\u304c\u3042\u308a\u30b9\u30d1\u30e0\u3068\u5224\u65ad\u3055\u308c\u308b\u30b1\u30fc\u30b9\u3067\u306f\u3001\u610f\u5473\u3092\u306a\u3055\u306a\u3044\u6587\u5b57\u5217\u3084\u300c\u7121\u6599\u300d\u300c\u7a3c\u3052\u308b\u300d\u306a\u3069\u306e<strong>\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u9023\u60f3\u3055\u305b\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u4f7f\u7528\u304c\u6b63\u5e38\u306a\u914d\u4fe1\u306e\u59a8\u3052<\/strong>\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>ISP\u3054\u3068\u306b\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u306e\u5224\u5b9a\u57fa\u6e96\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u3069\u306e\u5358\u8a9e\u3092\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3068\u3057\u3066\u5224\u65ad\u3059\u308b\u304b\u306f\u660e\u78ba\u306b\u306f\u516c\u8868\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u300c\u7121\u6599\u300d\u306a\u3069\u306e\u5358\u8a9e\u306f\u30e1\u30eb\u30de\u30ac\u306e\u914d\u4fe1\u3067\u306f\u975e\u5e38\u306b\u5f37\u529b\u306a\u30ef\u30fc\u30c9\u3067\u3059\u304c\u3001\u300c\u304a\u4ee3\u306f\u304b\u304b\u308a\u307e\u305b\u3093\u300d\u300c\u8cbb\u7528\u304c\u639b\u304b\u3089\u306a\u3044\u300d\u306a\u3069\u306e\u8a00\u8449\u306b\u4ee3\u7528\u3057\u3066\u5bfe\u7b56\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u300cStorage quota exceeded\u3001Message size exceeds remaining quota\u300d<\/h3>\n<p>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u7b49\u306e\u554f\u984c\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u53d7\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u4e00\u676f\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u72b6\u614b\u3067\u3059\u3002<strong>\u53d7\u4fe1\u8005\u304c\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3092\u653e\u7f6e\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/strong>\u306e\u3067\u3001\u914d\u4fe1\u3057\u3066\u3044\u308b\u5074\u3067\u3067\u304d\u308b\u3053\u3068\u306f\u3042\u307e\u308a\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30e1\u30eb\u30de\u30ac\u306e\u914d\u4fe1\u306a\u3069\u3067\u3053\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u304c\u8fd4\u4fe1\u3055\u308c\u3066\u304d\u305f\u5834\u5408\u306f\u3001\u304a\u5ba2\u69d8\u3092\u914d\u4fe1\u30ea\u30b9\u30c8\u304b\u3089\u524a\u9664\u3057\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u306b\u304b\u304b\u308b\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u300cToo much mail data\u300d<\/h3>\n<p>\u914d\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3059\u304e\u308b\u305f\u3081\u306b\u914d\u4fe1\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<p>HTML\u30e1\u30fc\u30eb\u306a\u3069\u306e\u30e1\u30fc\u30eb\u306f\u30c6\u30ad\u30b9\u30c8\u30e1\u30fc\u30eb\u3068\u6bd4\u8f03\u3057\u3066\u3001\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u6dfb\u4ed8\u3057\u3066\u3044\u308b\u5834\u5408\u306a\u3069\u306f\u3001HTML\u30e1\u30fc\u30eb\u306e\u5bb9\u91cf\u306b\u8ffd\u52a0\u3057\u3066\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u5206\u306e\u5bb9\u91cf\u3082\u30e1\u30fc\u30eb\u306e\u30b5\u30a4\u30ba\u3068\u3057\u3066\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u5727\u7e2e\u3059\u308b\u306a\u3069\u3057\u3066\u5bfe\u7b56\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u300cYour envelope recipient is in my badrcptto list\u300d<\/h3>\n<p>\u53d7\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u62d2\u5426\u3092\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u8cfc\u8aad\u8005\u306b\u53d7\u4fe1\u62d2\u5426\u8a2d\u5b9a\u3092\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8cfc\u8aad\u8005\u306b\u53d7\u4fe1\u62d2\u5426\u8a2d\u5b9a\u3092\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u914d\u4fe1\u5074\u304b\u3089\u3067\u304d\u308b\u5bfe\u7b56\u306f\u30ea\u30b9\u30c8\u304b\u3089\u306e\u524a\u9664\u306e\u307f\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u53d7\u4fe1\u62d2\u5426\u8a2d\u5b9a\u3092\u3055\u308c\u306a\u3044\u69d8\u306b\u3001\u4fa1\u5024\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3057\u3066\u3044\u304f\u3053\u3068\u3092\u5fc3\u304c\u3051\u307e\u3057\u3087\u3046\u3002\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u62d2\u5426\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001IP\u30ec\u30d3\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u3059\u308b\u3053\u3068\u3067\u6b63\u5e38\u306b\u53d7\u4fe1\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002<\/p>\n<p>\u624b\u52d5\u3067\u306e\u5bfe\u7b56\u306f\u3001IT\u95a2\u4fc2\u306e\u77e5\u8b58\u3092\u6301\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u6577\u5c45\u304c\u9ad8\u3044\u3082\u306e\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u3001\u30e1\u30eb\u30de\u30ac\u306e\u914d\u4fe1\u306a\u3069\u3067\u306f\u3001<strong>\u4e00\u6589\u9001\u4fe1\u306b\u9069\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u5bfe\u7b56\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/strong>\u3002<\/p>\n<h2>\u8fd1\u5e74\u5897\u3048\u3066\u3044\u308b\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u56e0\u300d\u306b\u3088\u308b\u30a8\u30e9\u30fc<\/h2>\n<p>\u5b9b\u5148\u3082\u5408\u3063\u3066\u3044\u3066\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3082\u5927\u304d\u304f\u306a\u3044\u306e\u306b\u5c4a\u304b\u306a\u3044\u5834\u5408\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306b\u3088\u308b\u30d6\u30ed\u30c3\u30af\u304c\u7591\u308f\u308c\u307e\u3059\u3002\u8fd1\u5e74\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u306e\u5897\u52a0\u306b\u4f34\u3044\u53d7\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u30fc\uff08\u7279\u306bGmail\u3084Yahoo!\u30e1\u30fc\u30eb\u306a\u3069\u306e\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\uff09\u304c\u9001\u4fe1\u5143\u306e\u4fe1\u983c\u6027\u3092\u53b3\u3057\u304f\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>Gmail\u3084Yahoo!\u306e\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff09<\/h3>\n<p>2024\u5e74\u4ee5\u964dGoogle\u3084Yahoo!\u306f\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u5927\u5e45\u306b\u5f37\u5316\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u9069\u5207\u306a\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u8a2d\u5b9a\u304c\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306f\u6b63\u5f53\u306a\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u3067\u3042\u3063\u3066\u3082\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u305f\u308a\u53d7\u4fe1\u305d\u306e\u3082\u306e\u3092\u62d2\u5426\u3055\u308c\u305f\u308a\u3059\u308b\u30b1\u30fc\u30b9\u304c\u6025\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u4e00\u65e5\u306b\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u4f01\u696d\u3084\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3053\u306e\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3078\u306e\u6e96\u62e0\u304c\u5230\u9054\u7387\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u5fc5\u9808\u4e8b\u9805\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u73fe\u5728\u3001Gmail\u5b9b\u3066\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u3001\u307e\u305f\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u5165\u3063\u3066\u3057\u307e\u3046\u306a\u3069\u306e\u30c8\u30e9\u30d6\u30eb\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u8981\u4ef6\u3092\u6e80\u305f\u305b\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5185\u5bb9\u3068\u3001\u4eca\u3059\u3050\u78ba\u8a8d\u3059\u3079\u304d5\u3064\u306e\u89e3\u6c7a\u7b56\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/mail\/gmail-not-reach\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2020\/08\/gmail-not-reach-1.jpg\" alt=\"Gmail\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044(\u53d7\u4fe1\u3067\u304d\u306a\u3044)\u30fb\u9001\u308c\u306a\u3044\uff01\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u30685\u3064\u306e\u89e3\u6c7a\u7b56\" width=\"90\" height=\"60\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">Gmail\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044(\u53d7\u4fe1\u3067\u304d\u306a\u3044)\u30fb\u9001\u308c\u306a\u3044\uff01\u65b0\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u30685\u3064\u306e\u89e3\u6c7a\u7b56<\/div>\n    <div class=\"blogcard_excerpt\">Gmail\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u3001\u7a81\u7136\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\uff08\u53d7\u4fe1\u30fb\u9001\u4fe1\u304c\u3067\u304d\u306a\u3044\uff09\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u6642\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<h3>\u30b9\u30d1\u30e0\u5224\u5b9a\u3055\u308c\u306a\u3044\u305f\u3081\u306e\u5bfe\u7b56\uff08SPF\u30fbDKIM\uff09<\/h3>\n<p>\u30e1\u30fc\u30eb\u304c\u78ba\u5b9f\u306b\u5c4a\u304f\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3067\u306f\u306a\u3044\u300d\u3053\u3068\u3092\u6280\u8853\u7684\u306b\u8a3c\u660e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306e\u4ed5\u7d44\u307f\u304cSPF\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306e\u8a8d\u8a3c\uff09\u3084DKIM\uff08\u96fb\u5b50\u7f72\u540d\u306b\u3088\u308b\u6539\u3056\u3093\u691c\u77e5\uff09\u3068\u3044\u3063\u305f\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u53d7\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u5b89\u5fc3\u3057\u3066\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u81ea\u793e\u306e\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u753b\u9762\u304b\u3089DNS\u30ec\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u672a\u8a2d\u5b9a\u3067\u3042\u308c\u3070\u65e9\u6025\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b\u300cSPF\u30ec\u30b3\u30fc\u30c9\u300d\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u57fa\u790e\u3068\u306a\u308b\u6700\u3082\u91cd\u8981\u306a\u8a2d\u5b9a\u3067\u3059\u3002\u307e\u3060\u8a2d\u5b9a\u304c\u304a\u6e08\u307f\u3067\u306a\u3044\u65b9\u3084\u3001\u73fe\u5728\u306e\u8a18\u8ff0\u304c\u6b63\u3057\u3044\u304b\u4e0d\u5b89\u306a\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u56f3\u89e3\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3057\u306a\u304c\u3089\u3001DNS\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u72b6\u6cc1\u3092\u898b\u76f4\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/spam\/spf-record\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2020\/05\/unnamed.jpg\" alt=\"\u3010\u56f3\u89e3\u3011SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u30fb\u6b63\u3057\u3044\u66f8\u304d\u65b9\u3068\u78ba\u8a8d\u65b9\u6cd5\u3092\u7d39\u4ecb\uff01Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u5fc5\u9808\u77e5\u8b58\" width=\"90\" height=\"46\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">\u3010\u56f3\u89e3\u3011SPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u30fb\u6b63\u3057\u3044\u66f8\u304d\u65b9\u3068\u78ba\u8a8d\u65b9\u6cd5\u3092\u7d39\u4ecb\uff01Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u306e\u5fc5\u9808\u77e5\u8b58<\/div>\n    <div class=\"blogcard_excerpt\">\u201d\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u201d\u305d\u306e\u304a\u60a9\u307f\u3001\u5b9f\u306fSPF\u30ec\u30b3\u30fc\u30c9\u304c\u539f\u56e0\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 \u300c\u304a\u5ba2\u69d8\u304b\u3089\u300e\u30e1\u30fc\u30eb\u304c\u5c4a\u3044\u3066\u3044\u306a\u3044\u300f\u3068\u8a00\u308f\u308c\u305f\u300d \u300c\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u304c\u306a\u305c\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<h3>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u9001\u4fe1\u5143\u8a55\u4fa1\uff09\u306e\u4f4e\u4e0b\u306b\u6ce8\u610f<\/h3>\n<p>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u300c\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306e\u793e\u4f1a\u7684\u4fe1\u7528\u5ea6\u300d\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u904e\u53bb\u306b\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u5927\u91cf\u306b\u9001\u3063\u3066\u3044\u305f\u308a\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\uff08\u5b9b\u5148\u4e0d\u660e\uff09\u3092\u7e70\u308a\u8fd4\u3057\u51fa\u3057\u7d9a\u3051\u305f\u308a\u3057\u3066\u3044\u308b\u3068\u3053\u306e\u8a55\u4fa1\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u4f4e\u3044IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306f\u4e2d\u8eab\u306b\u554f\u984c\u304c\u306a\u304f\u3066\u3082\u554f\u7b54\u7121\u7528\u3067\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u30ea\u30b9\u30c8\u306e\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3092\u5b9a\u671f\u7684\u306b\u884c\u3044\u7121\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u9001\u4fe1\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u8a55\u4fa1\u3092\u7dad\u6301\u3059\u308b\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u4fe1\u7528\u5ea6\uff09\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30a8\u30e9\u30fc\u306b\u306a\u308b\u30a2\u30c9\u30ec\u30b9\u306b\u9001\u308a\u7d9a\u3051\u306a\u3044\u300c\u30ea\u30b9\u30c8\u7ba1\u7406\u300d\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u624b\u52d5\u3067\u306e\u524a\u9664\u306f\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002\u5230\u9054\u7387\u3092\u9ad8\u3081\u308b\u305f\u3081\u306e\u6b63\u3057\u3044\u30ea\u30b9\u30c8\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u306e\u624b\u6cd5\u3068\u3001\u305d\u308c\u3092\u52b9\u7387\u5316\u3059\u308b\u7ba1\u7406\u306e\u9244\u5247\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/mail-delivery\/mailmagazine-list\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2020\/04\/mailmagazine-list-1.png\" alt=\"\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u30ea\u30b9\u30c8\u306e\u7ba1\u7406\u3092\u52b9\u7387\u5316\uff01\u8cea\u306e\u9ad8\u3044\u30ea\u30b9\u30c8\u3092\u5897\u3084\u3057\u3066\u6210\u679c\u3092\u51fa\u3059\u9244\u5247\" width=\"90\" height=\"60\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u30ea\u30b9\u30c8\u306e\u7ba1\u7406\u3092\u52b9\u7387\u5316\uff01\u8cea\u306e\u9ad8\u3044\u30ea\u30b9\u30c8\u3092\u5897\u3084\u3057\u3066\u6210\u679c\u3092\u51fa\u3059\u9244\u5247<\/div>\n    <div class=\"blogcard_excerpt\">\u30e1\u30eb\u30de\u30ac\u306e\u914d\u4fe1\u30ea\u30b9\u30c8\u7ba1\u7406\u306f\u3001\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u3059\u308b\u4e0a\u3067\u306e\u5927\u5207\u306a\u696d\u52d9\u3067\u3059\u3002 \u6b86\u3069\u306e\u65b9\u304c\u643a\u5e2f\u3084PC\u306a\u3069\u306e\u7aef\u672b\u3092\u6301\u3064\u3088\u3046\u306b\u306a\u3063\u305f\u73fe\u5728\u306f\u3001\u30e1\u30eb\u30de\u30ac\u3067\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<h2>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u6d3b\u7528\u3059\u308b<\/h2>\n<p>\u3053\u3053\u307e\u3067\u89e3\u8aac\u3057\u3066\u304d\u305f\u901a\u308a\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u306b\u306f\u300c\u5b9b\u5148\u9593\u9055\u3044\u300d\u306e\u3088\u3046\u306a\u5358\u7d14\u306a\u3082\u306e\u304b\u3089\u3001\u300cIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4f4e\u4e0b\u300d\u3084\u300c\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u672a\u8a2d\u5b9a\u300d\u3068\u3044\u3063\u305f\u6280\u8853\u7684\u306a\u8ab2\u984c\u307e\u3067\u3001\u69d8\u3005\u306a\u539f\u56e0\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u3092\u3059\u3079\u3066\u81ea\u793e\uff08\u307e\u305f\u306f\u500b\u4eba\uff09\u306e\u624b\u4f5c\u696d\u3067\u7ba1\u7406\u30fb\u5bfe\u7b56\u3059\u308b\u306e\u306f\u975e\u5e38\u306b\u56f0\u96e3\u3067\u3042\u308a\u3001\u7279\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u6e96\u304c\u53b3\u683c\u5316\u3057\u3066\u3044\u308b\u73fe\u5728\u3067\u306f\u3001\u901a\u5e38\u306e\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3084\u30b5\u30fc\u30d0\u30fc\u3067\u5927\u91cf\u914d\u4fe1\u3092\u884c\u3046\u3053\u3068\u81ea\u4f53\u304c\u30ea\u30b9\u30af\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u6700\u3082\u78ba\u5b9f\u304b\u3064\u52b9\u7387\u7684\u306a\u89e3\u6c7a\u7b56\u3068\u306a\u308b\u306e\u304c\u300c\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300d\u306e\u6d3b\u7528\u3067\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8<\/h3>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30e9\u30fc\u5bfe\u7b56\u306b\u304a\u3044\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306e\u81ea\u52d5\u51e6\u7406\u3068\u30ea\u30b9\u30c8\u7ba1\u7406\uff1a<\/strong>\u300cUser Unknown\uff08\u5b9b\u5148\u4e0d\u660e\uff09\u300d\u306a\u3069\u306e\u6052\u4e45\u7684\u306a\u30a8\u30e9\u30fc\u304c\u8fd4\u3063\u3066\u304d\u305f\u969b\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u81ea\u52d5\u7684\u306b\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u914d\u4fe1\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\uff08\u914d\u4fe1\u505c\u6b62\uff09\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u624b\u52d5\u3067\u30ea\u30b9\u30c8\u3092\u6574\u7406\u3059\u308b\u624b\u9593\u304c\u7701\u3051\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3092\u9001\u308a\u7d9a\u3051\u308b\u3053\u3068\u306b\u3088\u308b\u300c\u30b9\u30d1\u30e0\u5224\u5b9a\u300d\u306e\u30ea\u30b9\u30af\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u9ad8\u3044\u5230\u9054\u7387\u306e\u7dad\u6301\uff08IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u5bfe\u7b56\uff09\uff1a<\/strong>\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u63d0\u4f9b\u4f1a\u793e\u304c\u9069\u5207\u306b\u7ba1\u7406\u30fb\u904b\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u9ad8\u3044\u793e\u4f1a\u7684\u4fe1\u7528\u5ea6\uff08\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff09\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ad\u30e3\u30ea\u30a2\u30d6\u30ed\u30c3\u30af\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u3078\u306e\u632f\u308a\u5206\u3051\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u3078\u306e\u5bfe\u5fdc\uff1a<\/strong>Gmail\u306e\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306a\u3069\u3067\u6c42\u3081\u3089\u308c\u308bSPF\u30fbDKIM\u30fbDMARC\u3068\u3044\u3063\u305f\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u306b\u6a19\u6e96\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3082\u306e\u304c\u591a\u304f\u3001\u8907\u96d1\u306a\u5c02\u9580\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u5b89\u5168\u306a\u914d\u4fe1\u74b0\u5883\u3092\u6574\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/div><\/li>\n<\/ul>\n<h3>API\u9023\u643a\u30fbSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u300c\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3(blastengine)\u300d\u306e\u6d3b\u7528<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2025\/10\/blastengine.jpg\" alt=\"blastengine\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"1303\" height=\"590\" class=\"alignnone size-full wp-image-19575\" \/><\/p>\n<p><a href=\"https:\/\/blastengine.jp\/\">\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3(blastengine)<\/a>\u306f\u3001\u9ad8\u901f\u3067\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u5b9f\u73fe\u3059\u308bSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u4e0d\u8981\u306aAPI\u7d4c\u7531\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u6a5f\u80fd\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u304c\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u62c5\u3046\u3053\u3068\u3067\u3001\u5e38\u306b\u4fe1\u983c\u6027\u306e\u9ad8\u3044IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3057\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u306e\u5b89\u5168\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8ab2\u984c\u3092\u62b1\u3048\u3066\u3044\u308b\u5834\u5408\u3001\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u306e\u4f7f\u7528\u3092\u691c\u8a0e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>IP\u30a2\u30c9\u30ec\u30b9\u3084\u30c9\u30e1\u30a4\u30f3\u304c\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044<\/li>\n<li>\u56fd\u5185\u30ad\u30e3\u30ea\u30a2\u5b9b\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u5931\u6557\u3057\u3069\u3046\u5bfe\u51e6\u3059\u308c\u3070\u826f\u3044\u304b\u5206\u304b\u3089\u306a\u3044<\/li>\n<li>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u3084\u904b\u7528\u3092\u81ea\u793e\u3067\u884c\u3044\u305f\u304f\u306a\u3044<\/div><\/li>\n<\/ul>\n<p>\u3055\u3089\u306b\u300127,000\u793e\u4ee5\u4e0a\u306e\u5c0e\u5165\u5b9f\u7e3e\u3092\u6301\u3061\u300115\u5e74\u9023\u7d9a\u3067\u9867\u5ba2\u5c0e\u5165\u6570No.1\u3092\u8a87\u308b\u59c9\u59b9\u88fd\u54c1blastmail\u306b\u3088\u3063\u3066\u69cb\u7bc9\u3055\u308c\u305f\u914d\u4fe1\u57fa\u76e4\u3092\u6d3b\u7528\u3057\u3001\u5404\u30e1\u30fc\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3084\u643a\u5e2f\u30ad\u30e3\u30ea\u30a2\u30c9\u30e1\u30a4\u30f3\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u3058\u3066\u884c\u3044\u3001\u65e5\u672c\u56fd\u5185\u3078\u9ad8\u901f\u304b\u306499\uff05\u4ee5\u4e0a\u306e\u9ad8\u3044\u30e1\u30fc\u30eb\u5230\u9054\u7387\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u6708\u984d3,000\u5186\u304b\u3089\u5229\u7528\u53ef\u80fd\u3067\u3001\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u512a\u308c\u3001\u30e1\u30fc\u30eb\u30b5\u30dd\u30fc\u30c8\u3060\u3051\u3067\u306a\u304f\u65e5\u672c\u8a9e\u306e\u96fb\u8a71\u30b5\u30dd\u30fc\u30c8\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u7c21\u5358\u306b\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u958b\u59cb\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/blastengine.jp\/\">\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u3092\u7121\u6599\u3067\u8a66\u3057\u3066\u307f\u308b\uff1e<\/a><\/p>\n<h3>\u30b7\u30a7\u30a21\u4f4d\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u300d\u306e\u6d3b\u7528<\/h3>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-14488\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2024\/07\/blastmail-top.jpg\" alt=\"\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"941\" height=\"483\" \/><\/p>\n<p>\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306f\u3001\u524d\u8ff0\u306e\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u3068\u306f\u7570\u306a\u308a\u3001<strong>\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u3084\u5927\u91cf\u914d\u4fe1\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306b\u7279\u5316<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306f15\u5e74\u9023\u7d9a\u9867\u5ba2\u5c0e\u5165\u6570\u30671\u4f4d\u3092\u7372\u5f97\u3057\u3066\u304a\u308a\u3001\u76f4\u611f\u7684\u306a\u64cd\u4f5c\u6027\u3068\u3001\u512a\u308c\u305f\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3042\u308a\u307e\u3059\u3002\u5e45\u5e83\u3044\u696d\u754c\u3084\u516c\u5171\u6a5f\u95a2\u304b\u3089\u306e\u652f\u6301\u3092\u53d7\u3051\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30c4\u30fc\u30eb\u3068\u3057\u3066\u306e\u5730\u4f4d\u3092\u78ba\u7acb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8ab2\u984c\u3092\u62b1\u3048\u3066\u3044\u308b\u5834\u5408\u3001\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u4f7f\u7528\u3092\u691c\u8a0e\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>\u914d\u4fe1\u3057\u305f\u30e1\u30eb\u30de\u30ac\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u3066\u3057\u307e\u3046<\/li>\n<li>\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3044\u52b9\u7387\u304c\u60aa\u3044<\/li>\n<li>\u5b89\u304f\u3066\u4fe1\u983c\u3067\u304d\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u63a2\u3057\u3066\u3044\u308b<\/div><\/li>\n<\/ul>\n<p>SPF\u30fbDKIM\u306a\u3069\u3001Gmail\u306e\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306e\u306f\u3082\u3061\u308d\u3093\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u5206\u3051\u306b\u3088\u308b\u30bb\u30b0\u30e1\u30f3\u30c8\u914d\u4fe1\u3001\u6210\u679c\u6e2c\u5b9a\u3001HTML\u30e1\u30fc\u30eb\u306e\u7de8\u96c6\u306a\u3069\u3001\u5fc5\u8981\u306a\u6a5f\u80fd\u3092\u4e00\u901a\u308a\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u6700\u3082\u30ea\u30fc\u30ba\u30ca\u30d6\u30eb\u306a\u30d7\u30e9\u30f3\u3067\u3042\u308c\u3070\u3001\u6708\u984d4,000\u5186\u672a\u6e80\u304b\u3089\u5229\u7528\u958b\u59cb\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u30b7\u30f3\u30d7\u30eb\u3055\u3068\u4f4e\u4fa1\u683c\u304b\u3089\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30c4\u30fc\u30eb\u306e\u4f7f\u7528\u304c\u521d\u3081\u3066\u306e\u65b9\u306b\u3082\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u8208\u5473\u304c\u3042\u308c\u3070\u305c\u3072\u5229\u7528\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/blastmail.jp\/\">\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u3092\u7121\u6599\u3067\u8a66\u3057\u3066\u307f\u308b\uff1e<\/a><\/p>\n<div class=\"su-button-center\"><a href=\"https:\/\/blastmail.jp\/\" class=\"su-button su-button-style-flat event_bnr\" style=\"color:#FFFFFF;background-color:#c12620;border-color:#9b1f1a;border-radius:14px\" target=\"_self\" id=\"bottom_select20-1\"><span style=\"color:#FFFFFF;padding:0px 34px;font-size:25px;line-height:50px;border-color:#d46863;border-radius:14px;text-shadow:none\"> \u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u7121\u6599\u304a\u305f\u3081\u3057\u306f\u3053\u3061\u3089 &gt;<\/span><\/a><\/div>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u306b\u306f\u3001\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9\u3092\u6b63\u3057\u3044\u3082\u306e\u306b\u3059\u308b\u3060\u3051\u3067\u5bfe\u5fdc\u304c\u53ef\u80fd\u306a\u3082\u306e\u304b\u3089\u3001\u500b\u4eba\u3067\u5bfe\u7b56\u3059\u308b\u306b\u306f\u30cf\u30fc\u30c9\u30eb\u304c\u9ad8\u3044\u914d\u4fe1\u74b0\u5883\u306e\u554f\u984c\u306b\u81f3\u308b\u307e\u3067\u69d8\u3005\u306a\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30eb\u30de\u30ac\u306e\u914d\u4fe1\u3092\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u539f\u56e0\u3092\u628a\u63e1\u3057\u305d\u308c\u306b\u5bfe\u51e6\u3057\u306a\u3051\u308c\u3070\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3057\u304b\u306d\u307e\u305b\u3093\u3002<\/p>\n<p>\u500b\u4eba\u3067\u884c\u3046\u306b\u306f\u96e3\u3057\u3044\u914d\u4fe1\u74b0\u5883\u306e\u6574\u5099\u306b\u306f\u3001\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u3092\u5c02\u9580\u7684\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304f\u308c\u308b\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u306e\u6d3b\u7528\u3092\u691c\u8a0e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30ea\u30b9\u30c8\u7ba1\u7406\u306e\u7c21\u7565\u5316\u3082\u542b\u3081\u3066\u3001\u30a8\u30e9\u30fc\u3092\u672a\u7136\u306b\u9632\u3050\u5bfe\u7b56\u3092\u3057\u3001\u30e1\u30eb\u30de\u30ac\u306e\u96c6\u5ba2\u52b9\u679c\u3092\u6700\u5927\u9650\u767a\u63ee\u3067\u304d\u308b\u74b0\u5883\u3092\u6574\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"blog-faq\"><h2 class=\"blog-faq__title\">FAQ<\/h2><dl class=\"blog-faq__list\">\n<dt class=\"blog-faq__question\">Q\uff1a\u300cUser unknown\u300d\u3084\u300cHost unknown\u300d\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u539f\u56e0\u306f\u4f55\u3067\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u3053\u308c\u3089\u306f**\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5165\u529b\u30df\u30b9\u304c\u3042\u308b\u3001\u307e\u305f\u306f\u30a2\u30c9\u30ec\u30b9\u81ea\u4f53\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068**\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u518d\u5ea6\u5b9b\u5148\u3092\u78ba\u8a8d\u3057\u3001\u9593\u9055\u3044\u304c\u3042\u308c\u3070\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/dd>\n<dt class=\"blog-faq__question\">Q\uff1a\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u300c500\u756a\u53f0\u300d\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u3001\u6642\u9593\u3092\u7f6e\u3044\u3066\u518d\u9001\u3059\u308c\u3070\u5c4a\u304d\u307e\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u3044\u3044\u3048\u3001\u5c4a\u304d\u307e\u305b\u3093\u3002500\u756a\u53f0\u306f\u300c\u6052\u4e45\u7684\u306a\u30a8\u30e9\u30fc\u300d\u3092\u610f\u5473\u3057\u3001**\u5b9b\u5148\u304c\u5b58\u5728\u3057\u306a\u3044\u304b\u53d7\u4fe1\u62d2\u5426\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u4f55\u5ea6\u518d\u9001\u3057\u3066\u3082\u89e3\u6c7a\u3057\u307e\u305b\u3093\u3002**\u914d\u4fe1\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\u3059\u308b\u306a\u3069\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u3067\u3059\u3002<\/dd>\n<dt class=\"blog-faq__question\">Q\uff1a\u5b9b\u5148\u3082\u5bb9\u91cf\u3082\u554f\u984c\u306a\u3044\u306e\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u5834\u5408\u3001\u4f55\u304c\u539f\u56e0\u3067\u3057\u3087\u3046\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\u30fbDKIM\uff09\u306e\u672a\u8a2d\u5b9a\u3084\u3001\u9001\u4fe1\u5143\u306e\u4fe1\u7528\u5ea6\uff08IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff09\u4f4e\u4e0b\u306b\u3088\u308a\u3001**\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u53d7\u4fe1\u5074\u30b5\u30fc\u30d0\u30fc\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002**<\/dd>\n<dt class=\"blog-faq__question\">Q\uff1a\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3078\u306e\u5bfe\u7b56\u3092\u52b9\u7387\u7684\u306b\u884c\u3044\u3001\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u826f\u3044\u3067\u3059\u304b\uff1f<\/dt><dd 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