{"id":19399,"date":"2025-08-26T11:01:34","date_gmt":"2025-08-26T02:01:34","guid":{"rendered":"https:\/\/www.synergy-marketing.co.jp\/blog\/?p=19399"},"modified":"2026-03-13T14:49:31","modified_gmt":"2026-03-13T05:49:31","slug":"email-delivery_error","status":"publish","type":"post","link":"https:\/\/www.synergy-marketing.co.jp\/blog\/email-delivery_error","title":{"rendered":"\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5\uff01\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3059\u65b9\u6cd5\u3082\u89e3\u8aac"},"content":{"rendered":"<div class=\"post-content\">\n<div class=\"box box-gray\">\n<p><strong>&lt;\u3053\u306e\u8a18\u4e8b\u3067\u308f\u304b\u308b\u3053\u3068&gt;<\/strong><\/p>\n<ul>\n<li>\u300c\u9001\u3063\u305f\u306f\u305a\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u300d\u3068\u304d\u306b\u8fd4\u3063\u3066\u304f\u308b\u82f1\u6587\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306b\u306f\u3001\u5b9f\u306f\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u304c\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u4e3b\u306a\u539f\u56e0\u306f\u300c\u30a2\u30c9\u30ec\u30b9\u9593\u9055\u3044\u300d\u300c\u30e1\u30fc\u30eb\u306e\u5bb9\u91cf\u30aa\u30fc\u30d0\u30fc\u300d\u300c\u30b9\u30d1\u30e0\u5224\u5b9a\u300d\u306a\u3069\u3067\u3059\u3002<\/li>\n<li>\u30a8\u30e9\u30fc\u306f\u90fd\u5ea6\u5bfe\u51e6\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30a8\u30e9\u30fc\u306e\u591a\u3044\u30a2\u30c9\u30ec\u30b9\u3092\u5b9a\u671f\u7684\u306b\u524a\u9664\u3059\u308b\u300c\u30ea\u30b9\u30c8\u306e\u5065\u5168\u5316\u300d\u3084\u3001\u9001\u4fe1\u5143\u304c\u672c\u7269\u3060\u3068\u8a3c\u660e\u3059\u308b\u300c\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\uff0fDKIM\uff09\u300d\u3068\u3044\u3063\u305f\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u9ad8\u3081\u308b\u305f\u3081\u306e\u6839\u672c\u7684\u306a\u5bfe\u7b56\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/li>\n<li>\u3053\u308c\u3089\u306e\u5c02\u9580\u7684\u306a\u5bfe\u7b56\u3092\u624b\u4f5c\u696d\u3067\u884c\u3046\u306e\u306f\u975e\u52b9\u7387\u3067\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002\u30a8\u30e9\u30fc\u30a2\u30c9\u30ec\u30b9\u306e\u81ea\u52d5\u51e6\u7406\u3084\u9ad8\u3044\u5230\u9054\u7387\u306e\u7dad\u6301\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u306b\u306f\u3001\u5c02\u9580\u30c4\u30fc\u30eb\u3067\u3042\u308b\u300c\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300d\u306e\u6d3b\u7528\u304c\u6700\u3082\u52b9\u679c\u7684\u306a\u89e3\u6c7a\u7b56\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/541_mainvisual.png\" alt=\"\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5\uff01\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3059\u65b9\u6cd5\u3082\u89e3\u8aac\" width=\"750\" height=\"456\" \/><\/p>\n<p>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u306f\u3001\u300c\u9001\u3063\u305f\u306f\u305a\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u300d\u300c\u82f1\u6587\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u304c\u8fd4\u3063\u3066\u304f\u308b\u300d\u3068\u3044\u3063\u305f\u5f62\u3067\u3001\u8ab0\u306b\u3067\u3082\u8d77\u3053\u308a\u3046\u308b\u30c8\u30e9\u30d6\u30eb\u3067\u3059\u3002\u653e\u7f6e\u3059\u308c\u3070\u3001\u5230\u9054\u7387\u306e\u4f4e\u4e0b\u3084\u4fe1\u983c\u6027\u306e\u640d\u5931\u306b\u3064\u306a\u304c\u308a\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u65bd\u7b56\u306b\u3082\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u304b\u306d\u307e\u305b\u3093\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u4e3b\u306a\u539f\u56e0\u3068\u305d\u306e\u5bfe\u51e6\u6cd5\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30a8\u30e9\u30fc\u3092\u672a\u7136\u306b\u9632\u3050\u305f\u3081\u306e\u904b\u7528\u30dd\u30a4\u30f3\u30c8\u3084\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u52b9\u7387\u5316\u306b\u5f79\u7acb\u3064\u30c4\u30fc\u30eb\u306e\u6d3b\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<div class=\"inner-cta\">\n<div class=\"inner-cta-content\">\n<div class=\"inner-cta-content-img\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/wp\/wp-content\/uploads\/thumb_toranomaki_basics.png\" alt=\"\u3053\u308c\u304b\u3089\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u59cb\u3081\u308b\u65b9\u306f\u5fc5\u898b\u306e\u8cc7\u6599\u3067\u3059\uff01\" width=\"200\" height=\"150\" \/><\/p>\n<\/div>\n<div class=\"inner-cta-content-text\">\n<h4>\u3053\u308c\u304b\u3089\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u59cb\u3081\u308b\u65b9\u306f\u5fc5\u898b\u306e\u8cc7\u6599\u3067\u3059\uff01<\/h4>\n<p>\u30e1\u30eb\u30de\u30ac\u6210\u529f\u306e\u30ab\u30ae\u306f\u3001\u6700\u9069\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u65b9\u6cd5\u3092\u77e5\u308b\u3053\u3068\u3002\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u59cb\u3081\u65b9\u3092\u5b66\u3079\u308b\u8cc7\u6599\u3067\u3001\u57fa\u672c\u3092\u62bc\u3055\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<p class=\"inner-cta-content-btn\"><a id=\"ct-blog-innnercta-01\" class=\"btn btn-red btn-block\" href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_10\/index.do?code=toranomaki_basics\" target=\"_blank\" rel=\"noopener\">\u8cc7\u6599\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2>\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u30a8\u30e9\u30fc\u3068\u306f\uff1f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19397\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/541_image01.png\" alt=\"\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u30a8\u30e9\u30fc\u3068\u306f\uff1f\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/541_image01.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/541_image01-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u3068\u306f\u3001\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u76f8\u624b\u306e\u53d7\u4fe1\u30b5\u30fc\u30d0\u306b\u5c4a\u304b\u306a\u304b\u3063\u305f\u72b6\u614b\u3092\u6307\u3057\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u300cMail Delivery Subsystem\u300d\u306a\u3069\u304b\u3089\u3001\u9001\u4fe1\u5931\u6557\u3092\u77e5\u3089\u305b\u308b\u81ea\u52d5\u901a\u77e5\u30e1\u30fc\u30eb\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u901a\u77e5\u306b\u306f\u3001\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3084\u5206\u985e\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u9069\u5207\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u5f8c\u306e\u914d\u4fe1\u7cbe\u5ea6\u3084\u5230\u9054\u7387\u306e\u6539\u5584\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u3001\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306e\u57fa\u672c\u306b\u3064\u3044\u3066\u6574\u7406\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>Mail Delivery Subsystem\u3068\u306f<\/h3>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u3001\u300cMail Delivery Subsystem\u300d\u3084\u300cMAILER-DAEMON\u300d\u3068\u3044\u3046\u5dee\u51fa\u4eba\u304b\u3089\u82f1\u8a9e\u3067\u66f8\u304b\u308c\u305f\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u7ba1\u7406\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u300c\u9001\u4fe1\u5148\u306b\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u3068\u901a\u77e5\u3059\u308b\u30a8\u30e9\u30fc\u5831\u544a\u30e1\u30fc\u30eb\u3067\u3059\u3002<\/p>\n<p>\u4e00\u898b\u3059\u308b\u3068\u8ff7\u60d1\u30e1\u30fc\u30eb\u306e\u3088\u3046\u3067\u3059\u304c\u3001\u672c\u6587\u306b\u306f\u300c\u5b9b\u5148\u304c\u5b58\u5728\u3057\u306a\u3044\u300d\u300c\u53d7\u4fe1\u3092\u62d2\u5426\u3055\u308c\u305f\u300d\u306a\u3069\u3001\u30a8\u30e9\u30fc\u306e\u7406\u7531\u3092\u793a\u3059\u91cd\u8981\u306a\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u9001\u4fe1\u76f4\u5f8c\u3060\u3051\u3067\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u518d\u9001\u3092\u8a66\u307f\u305f\u3042\u3068\u306b\u5c4a\u304f\u5834\u5408\u3082\u3042\u308b\u305f\u3081\u3001\u7121\u8996\u305b\u305a\u306b\u5185\u5bb9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306e\u539f\u56e0\u306f\u914d\u4fe1\u30a8\u30e9\u30fc\u304c\u591a\u3044<\/h3>\n<p>\u8fd4\u9001\u3055\u308c\u308b\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306e\u307b\u3068\u3093\u3069\u306f\u3001\u30e1\u30fc\u30eb\u304c\u76f8\u624b\u306b\u5c4a\u304b\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u793a\u3059\u914d\u4fe1\u30a8\u30e9\u30fc\u3067\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u78ba\u8a8d\u3059\u308c\u3070\u3001\u300c\u5bb9\u91cf\u30aa\u30fc\u30d0\u30fc\u300d\u300c\u53d7\u4fe1\u62d2\u5426\u300d\u300c\u5b58\u5728\u3057\u306a\u3044\u30a2\u30c9\u30ec\u30b9\u300d\u306a\u3069\u3001\u5177\u4f53\u7684\u306a\u539f\u56e0\u3092\u628a\u63e1\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5185\u5bb9\u3092\u6b63\u3057\u304f\u8aad\u307f\u53d6\u308a\u3001\u30a8\u30e9\u30fc\u3054\u3068\u306b\u539f\u56e0\u3092\u7279\u5b9a\u30fb\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u8981\u306a\u518d\u9001\u3084\u914d\u4fe1\u306e\u7121\u99c4\u3092\u9632\u3052\u307e\u3059\u3002\u30a8\u30e9\u30fc\u3092\u653e\u7f6e\u305b\u305a\u3001\u914d\u4fe1\u5148\u30ea\u30b9\u30c8\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u898b\u76f4\u3059\u3053\u3068\u304c\u3001\u5230\u9054\u7387\u306e\u6539\u5584\u3068\u6210\u679c\u306e\u6700\u5927\u5316\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30d1\u30e0\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306b\u6ce8\u610f<\/h3>\n<p>\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3092\u88c5\u3063\u305f<a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/spam-mail\/\" target=\"_blank\" rel=\"noopener\">\u30b9\u30d1\u30e0<\/a>\u304c\u5c4a\u304f\u30b1\u30fc\u30b9\u3082\u3042\u308a\u3001\u7279\u306b\u9001\u4fe1\u3057\u305f\u899a\u3048\u304c\u306a\u3044\u306e\u306b\u5927\u91cf\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u304c\u8fd4\u3063\u3066\u304f\u308b\u5834\u5408\u306f\u8981\u6ce8\u610f\u3067\u3059\u3002\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u4e57\u3063\u53d6\u3089\u308c\u3001\u30b9\u30d1\u30e0\u9001\u4fe1\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u304c\u898b\u3089\u308c\u305f\u5834\u5408\u306f\u3001\u3059\u3050\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5909\u66f4\u3057\u3001\u4e8c\u6bb5\u968e\u8a8d\u8a3c\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u4e0d\u5be9\u306a\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306e\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3084\u30ea\u30f3\u30af\u306f\u7d76\u5bfe\u306b\u958b\u304b\u306a\u3044\u3088\u3046\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h2>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5<\/h2>\n<p>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u539f\u56e0\u306f\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3059\u3002\u539f\u56e0\u3092\u7279\u5b9a\u3067\u304d\u308c\u3070\u3001\u9069\u5207\u306a\u5bfe\u51e6\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u4ee3\u8868\u7684\u306a5\u3064\u306e\u539f\u56e0\u3068\u3001\u305d\u308c\u305e\u308c\u306e\u5bfe\u51e6\u6cd5\u3092\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306e\u4f8b\u3068\u3068\u3082\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u9593\u9055\u3044\u3084\u5b58\u5728\u3057\u306a\u3044\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u9001\u4fe1\u306e\u5834\u5408<\/h3>\n<p>\u6700\u3082\u591a\u3044\u539f\u56e0\u306f\u3001\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u3059\u3067\u306b\u4f7f\u308f\u308c\u3066\u3044\u306a\u3044\u30b1\u30fc\u30b9\u3067\u3059\u3002\u300c550 5.1.1 User unknown\u300d\u3068\u3044\u3063\u305f\u30a8\u30e9\u30fc\u304c\u8fd4\u3063\u3066\u304f\u308b\u5834\u5408\u3001\u30a2\u30c9\u30ec\u30b9\u306e\u7db4\u308a\u30df\u30b9\u3084\u30c9\u30e1\u30a4\u30f3\u306e\u8aa4\u8a18\u3001\u76f8\u624b\u304c\u30a2\u30c9\u30ec\u30b9\u3092\u524a\u9664\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u5165\u529b\u3057\u305f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u518d\u78ba\u8a8d\u3057\u3001\u660e\u3089\u304b\u306a\u8aa4\u308a\u304c\u3042\u308c\u3070\u4fee\u6b63\u3057\u3066\u518d\u9001\u4fe1\u3057\u307e\u3057\u3087\u3046\u3002\u6b63\u3057\u3044\u306f\u305a\u306e\u30a2\u30c9\u30ec\u30b9\u3067\u3082\u30a8\u30e9\u30fc\u304c\u7d9a\u304f\u5834\u5408\u306f\u3001\u76f8\u624b\u304c\u3059\u3067\u306b\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5229\u7528\u3057\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5225\u306e\u9023\u7d61\u624b\u6bb5\u3067\u6b63\u3057\u3044\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3059\u304e\u305f\u308a\u672c\u6587\u304c\u9577\u3059\u304e\u305f\u308a\u3059\u308b\u5834\u5408<\/h3>\n<p>\u300c552 5.3.4 Message size exceeds fixed limit\u300d\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u306f\u3001\u30e1\u30fc\u30eb\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u304c\u76f8\u624b\u306e\u53d7\u4fe1\u30b5\u30fc\u30d0\u306e\u4e0a\u9650\u3092\u8d85\u3048\u3066\u3044\u308b\u3068\u304d\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u7279\u306b\u753b\u50cf\u3084\u8cc7\u6599\u306e\u6dfb\u4ed8\u3001\u672c\u6587\u306e\u6587\u5b57\u6570\u304c\u591a\u3044\u5834\u5408\u306b\u8d77\u3053\u308a\u3084\u3059\u3044\u30a8\u30e9\u30fc\u3067\u3059\u3002<\/p>\n<p>\u5bfe\u7b56\u3068\u3057\u3066\u306f\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u5727\u7e2e\u3059\u308b\u3001ZIP\u5f62\u5f0f\u3067\u307e\u3068\u3081\u308b\u306a\u3069\u3057\u3066\u5bb9\u91cf\u3092\u6e1b\u3089\u3057\u307e\u3057\u3087\u3046\u3002\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u306f\u6dfb\u4ed8\u305b\u305a\u3001\u30af\u30e9\u30a6\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u5171\u6709\u30ea\u30f3\u30af\u3092\u672c\u6587\u306b\u8a18\u8f09\u3059\u308b\u65b9\u6cd5\u304c\u78ba\u5b9f\u3067\u3059\u3002<\/p>\n<div class=\"box\">\n<div class=\"row\">\n<div class=\"col-md-3 col-sm-4 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/mail-delivery-system_attachment\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/538_mainvisual.png\" alt=\"\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u308b\u65b9\u6cd5\u3068\u306f\uff1f\u6d3b\u7528\u4f8b\u3082\u7d39\u4ecb\" \/><\/a><\/div>\n<div class=\"col-md-9 col-sm-8 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/mail-delivery-system_attachment\" target=\"_blank\" rel=\"noopener\"><strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u308b\u65b9\u6cd5\u3068\u306f\uff1f\u6d3b\u7528\u4f8b\u3082\u7d39\u4ecb<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<h3>\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u5bb9\u91cf\u304c\u3044\u3063\u3071\u3044\u306e\u5834\u5408<\/h3>\n<p>\u300c552 5.2.2 Mailbox full\u300d\u306a\u3069\u306e\u30a8\u30e9\u30fc\u306f\u3001\u76f8\u624b\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u5bb9\u91cf\u30aa\u30fc\u30d0\u30fc\u3067\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308c\u306a\u3044\u72b6\u614b\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u9001\u4fe1\u5074\u3067\u306f\u76f4\u63a5\u89e3\u6c7a\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305a\u306f\u96fb\u8a71\u306a\u3069\u5225\u306e\u624b\u6bb5\u3067\u76f8\u624b\u306b\u9023\u7d61\u3057\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u5bb9\u91cf\u3092\u7a7a\u3051\u3066\u3082\u3089\u3046\u3088\u3046\u304a\u9858\u3044\u3059\u308b\u306e\u304c\u57fa\u672c\u7684\u306a\u5bfe\u5fdc\u3067\u3059\u3002\u3082\u3057\u518d\u9001\u3059\u308b\u5834\u5408\u306f\u3001\u76f8\u624b\u304c\u5bfe\u5fdc\u3057\u305f\u3042\u3068\u306b\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30b9\u30d1\u30e0\u5224\u5b9a\u3084\u53d7\u4fe1\u62d2\u5426\u306b\u3088\u308b\u914d\u4fe1\u5931\u6557\u306e\u5834\u5408<\/h3>\n<p>\u300c550 5.7.1 Message rejected\u300d\u306f\u3001\u53d7\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u3067\u30b9\u30d1\u30e0\u3068\u5224\u65ad\u3055\u308c\u3001\u30e1\u30fc\u30eb\u304c\u62d2\u5426\u3055\u308c\u305f\u969b\u306b\u8fd4\u3055\u308c\u308b\u30a8\u30e9\u30fc\u3067\u3059\u3002\u4ef6\u540d\u3084\u672c\u6587\u306b\u5f37\u3044\u58f2\u308a\u8fbc\u307f\u8868\u73fe\u304c\u3042\u308b\u3001\u4fe1\u983c\u6027\u306e\u4f4e\u3044\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u9001\u3063\u3066\u3044\u308b\u3068\u3044\u3063\u305f\u539f\u56e0\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u5bfe\u7b56\u3068\u3057\u3066\u306f\u3001\u8aa4\u89e3\u3092\u62db\u304f\u3088\u3046\u306a\u8868\u73fe\u3092\u907f\u3051\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u8aa0\u5b9f\u306a\u5185\u5bb9\u306b\u4fee\u6b63\u3057\u307e\u3057\u3087\u3046\u3002\u52a0\u3048\u3066\u3001<a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/spf\/\" target=\"_blank\" rel=\"noopener\">SPF<\/a>\u3084<a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/dkim\/\" target=\"_blank\" rel=\"noopener\">DKIM<\/a>\u306a\u3069\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u8a2d\u5b9a\u3057\u3001\u6b63\u5f53\u306a\u9001\u4fe1\u8005\u3067\u3042\u308b\u3068\u6280\u8853\u7684\u306b\u793a\u3059\u3053\u3068\u3067\u3001\u30b9\u30d1\u30e0\u5224\u5b9a\u3092\u56de\u907f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u76f8\u624b\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304c\u4e00\u6642\u7684\u306b\u505c\u6b62\u3084\u62d2\u5426\u3057\u3066\u3044\u308b\u5834\u5408<\/h3>\n<p>\u300c421 4.7.0 Temporary server failure\u300d\u306f\u3001\u76f8\u624b\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u3001\u307e\u305f\u306f\u4e00\u6642\u7684\u306a\u969c\u5bb3\u30fb\u6df7\u96d1\u306b\u3088\u308a\u53d7\u4fe1\u3092\u62d2\u5426\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e00\u904e\u6027\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u6570\u6642\u9593\u301c1\u65e5\u307b\u3069\u7a7a\u3051\u3066\u518d\u9001\u4fe1\u3059\u308b\u306e\u304c\u57fa\u672c\u7684\u306a\u5bfe\u5fdc\u3067\u3059\u3002\u305d\u308c\u3067\u3082\u9001\u4fe1\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u76f8\u624b\u5074\u306b\u30b5\u30fc\u30d0\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u3082\u3089\u3046\u3088\u3046\u9023\u7d61\u3092\u53d6\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"box\">\n<div class=\"row\">\n<div class=\"col-md-3 col-sm-4 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/gmail_guidelines_2024\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/440_mainvisual.png\" alt=\"Gmail\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044\uff1fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5909\u66f4\u5185\u5bb9\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac\" \/><\/a><\/div>\n<div class=\"col-md-9 col-sm-8 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/gmail_guidelines_2024\" target=\"_blank\" rel=\"noopener\"><strong>Gmail\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044\uff1fGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5909\u66f4\u5185\u5bb9\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<h2>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3059\u65b9\u6cd5<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19394\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/541_image02.png\" alt=\"\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3059\u65b9\u6cd5\" width=\"750\" height=\"456\" srcset=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/541_image02.png 750w, https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/541_image02-230x140.png 230w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>\u500b\u5225\u306e\u30a8\u30e9\u30fc\u306b\u5bfe\u51e6\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u3088\u308a\u6839\u672c\u7684\u306b\u30a8\u30e9\u30fc\u306e\u767a\u751f\u3092\u9632\u304e\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u9ad8\u3081\u308b\u305f\u3081\u306e\u4e88\u9632\u7b56\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u65e5\u9803\u304b\u3089\u914d\u4fe1\u30ea\u30b9\u30c8\u3084\u914d\u4fe1\u74b0\u5883\u3092\u5065\u5168\u306b\u4fdd\u3064\u3053\u3068\u3067\u3001\u9867\u5ba2\u3068\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u4f1a\u306e\u640d\u5931\u3092\u9632\u304e\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u52b9\u679c\u3092\u6700\u5927\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u6b63\u78ba\u306a\u30a2\u30c9\u30ec\u30b9\u767b\u9332\u3068\u30ea\u30b9\u30c8\u306e\u5065\u5168\u5316\u3092\u5fb9\u5e95\u3059\u308b<\/h3>\n<p>\u307e\u305a\u3001\u914d\u4fe1\u30ea\u30b9\u30c8\u3092\u5e38\u306b\u30af\u30ea\u30fc\u30f3\u306a\u72b6\u614b\u306b\u4fdd\u3064\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30a8\u30e9\u30fc\u306e\u591a\u304f\u306f\u3001\u7121\u52b9\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u9001\u4fe1\u3067\u767a\u751f\u3057\u307e\u3059\u3002\u767b\u9332\u30d5\u30a9\u30fc\u30e0\u306b\u306f\u300c\u30c0\u30d6\u30eb<a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/optin\/\" target=\"_blank\" rel=\"noopener\">\u30aa\u30d7\u30c8\u30a4\u30f3<\/a>\uff08\u767b\u9332\u5f8c\u306b\u672c\u4eba\u78ba\u8a8d\u30e1\u30fc\u30eb\u3092\u9001\u308a\u3001\u30af\u30ea\u30c3\u30af\u3057\u3066\u521d\u3081\u3066\u767b\u9332\u304c\u5b8c\u4e86\u3059\u308b\u65b9\u5f0f\uff09\u300d\u3092\u63a1\u7528\u3057\u3001\u5165\u529b\u30df\u30b9\u3084\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u304e\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305f\u3001\u9577\u671f\u9593\u30e1\u30fc\u30eb\u3092\u958b\u5c01\u3057\u3066\u3044\u306a\u3044\u30a2\u30c9\u30ec\u30b9\u3084\u30a8\u30e9\u30fc\u304c\u983b\u767a\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u5b9a\u671f\u7684\u306b\u914d\u4fe1\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u7121\u99c4\u306a\u914d\u4fe1\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3057\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<div class=\"box\">\n<div class=\"row\">\n<div class=\"col-md-3 col-sm-4 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/customer_data_management\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/blog\/wp\/wp-content\/uploads\/428_mainvisual.png\" alt=\"\u9867\u5ba2\u30c7\u30fc\u30bf\u7ba1\u7406\u306f\u30c4\u30fc\u30eb\u5c0e\u5165\u3067\u89e3\u6c7a\uff1f\u5f97\u3089\u308c\u308b\u30e1\u30ea\u30c3\u30c8\u3068\u5c0e\u5165\u306e\u91cd\u8981\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\" \/><\/a><\/div>\n<div class=\"col-md-9 col-sm-8 col-xs-6\"><a href=\"https:\/\/www.synergy-marketing.co.jp\/blog\/customer_data_management\" target=\"_blank\" rel=\"noopener\"><strong>\u9867\u5ba2\u30c7\u30fc\u30bf\u7ba1\u7406\u306f\u30c4\u30fc\u30eb\u5c0e\u5165\u3067\u89e3\u6c7a\uff1f\u5f97\u3089\u308c\u308b\u30e1\u30ea\u30c3\u30c8\u3068\u5c0e\u5165\u306e\u91cd\u8981\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<h3>\u30e1\u30fc\u30eb\u306e\u69cb\u6210\u3068\u5bb9\u91cf\u3092\u6700\u9069\u5316\u3059\u308b<\/h3>\n<p>HTML\u30e1\u30fc\u30eb\u3092\u914d\u4fe1\u3059\u308b\u969b\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u3082\u540c\u6642\u306b\u9001\u4fe1\u3059\u308b\u300c<a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/multipart\/\" target=\"_blank\" rel=\"noopener\">\u30de\u30eb\u30c1\u30d1\u30fc\u30c8<\/a>\u914d\u4fe1\uff08\u53d7\u4fe1\u8005\u306e\u74b0\u5883\u306b\u5fdc\u3058\u3066\u6700\u9069\u306a\u5f62\u5f0f\u3092\u8868\u793a\u3055\u305b\u308b\u4ed5\u7d44\u307f\uff09\u300d\u3092\u884c\u3044\u3001\u53d7\u4fe1\u74b0\u5883\u306b\u5de6\u53f3\u3055\u308c\u305a\u306b\u60c5\u5831\u3092\u5c4a\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u53d7\u4fe1\u8005\u3084\u53d7\u4fe1\u30b5\u30fc\u30d0\u306b\u8ca0\u62c5\u3092\u304b\u3051\u306a\u3044\u30e1\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3001\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3059\u3046\u3048\u3067\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u306e\u5bb9\u91cf\u8d85\u904e\u306f\u30a8\u30e9\u30fc\u306e\u76f4\u63a5\u7684\u306a\u539f\u56e0\u3068\u306a\u308b\u305f\u3081\u3001\u672c\u6587\u306e\u6587\u5b57\u6570\u3001\u4f7f\u7528\u3059\u308b\u753b\u50cf\u306e\u6570\u3084\u30b5\u30a4\u30ba\u3001\u30ea\u30f3\u30af\u306e\u6570\u3092\u9069\u5207\u306b\u7ba1\u7406\u3057\u3001\u5927\u304d\u304f\u306a\u308a\u3059\u304e\u306a\u3044\u3088\u3046\u610f\u8b58\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h3>\u30c9\u30e1\u30a4\u30f3\u306e\u4fe1\u983c\u6027\u3068\u914d\u4fe1\u30a4\u30f3\u30d5\u30e9\u3092\u6574\u5099\u3059\u308b<\/h3>\n<p>SPF\u3001DKIM\u3001<a href=\"https:\/\/www.synergy-marketing.co.jp\/glossary\/dmarc\/\" target=\"_blank\" rel=\"noopener\">DMARC<\/a>\u306a\u3069\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u304e\u3001\u53d7\u4fe1\u30b5\u30fc\u30d0\u306b\u4fe1\u983c\u3055\u308c\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30e1\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u5c4a\u3051\u308b\u305f\u3081\u306e\u57fa\u672c\u5bfe\u7b56\u3067\u3059\u3002<\/p>\n<p>\u6025\u306a\u5927\u91cf\u914d\u4fe1\u3092\u907f\u3051\u3001\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3092\u6e1b\u3089\u3059\u3053\u3068\u3082\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u8a55\u4fa1\u3092\u4fdd\u3064\u3046\u3048\u3067\u6709\u52b9\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u8a2d\u5b9a\u3084\u914d\u4fe1\u30da\u30fc\u30b9\u306e\u8abf\u6574\u3068\u3044\u3063\u305f\u904b\u7528\u7ba1\u7406\u306b\u306f\u624b\u9593\u304c\u304b\u304b\u308b\u305f\u3081\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3063\u3066\u81ea\u52d5\u5316\u30fb\u4e00\u5143\u5316\u3059\u308b\u306e\u304c\u73fe\u5b9f\u7684\u306a\u5bfe\u5fdc\u7b56\u3067\u3059\u3002<\/p>\n<div class=\"inner-cta\">\n<div class=\"inner-cta-content\">\n<div class=\"inner-cta-content-img\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.synergy-marketing.co.jp\/wp\/wp-content\/uploads\/thumb_mailmarketing_guidebook.png\" alt=\"\u5b9f\u8df5\u3067\u304d\u308b\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u201d\u30ab\u30a4\u30bc\u30f3\u201d\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\" width=\"200\" height=\"150\" \/><\/p>\n<\/div>\n<div class=\"inner-cta-content-text\">\n<h4>\u5b9f\u8df5\u3067\u304d\u308b\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u201d\u30ab\u30a4\u30bc\u30f3\u201d\u30ac\u30a4\u30c9\u30d6\u30c3\u30af<\/h4>\n<p>\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u6210\u679c\u6539\u5584\u30dd\u30a4\u30f3\u30c8\u3092\u7d39\u4ecb\uff01\u518d\u73fe\u6027\u306e\u9ad8\u3044\u624b\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p class=\"inner-cta-content-btn\"><a id=\"ct-blog-innnercta-02\" class=\"btn btn-red btn-block\" href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_10\/index.do?code=mailmarketing_guidebook\" target=\"_blank\" rel=\"noopener\">\u8cc7\u6599\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3059\u306b\u306f\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u5229\u7528\u304c\u304a\u3059\u3059\u3081<\/h2>\n<p>\u30a8\u30e9\u30fc\u30a2\u30c9\u30ec\u30b9\u306e\u7ba1\u7406\u3084\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3001\u914d\u4fe1\u30ea\u30b9\u30c8\u306e\u6700\u9069\u5316\u306a\u3069\u3001\u914d\u4fe1\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3059\u306b\u306f\u9ad8\u5ea6\u306a\u904b\u7528\u3068\u5c02\u9580\u77e5\u8b58\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u7279\u306b\u3001\u5927\u91cf\u306e\u9867\u5ba2\u306b\u5b9a\u671f\u7684\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308b\u5834\u5408\u3001\u624b\u4f5c\u696d\u3067\u306e\u5bfe\u5fdc\u306b\u306f\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u5f79\u306b\u7acb\u3064\u306e\u304c\u300c\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300d\u3067\u3059\u3002\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u5c0e\u5165\u3059\u308c\u3070\u3001\u30a8\u30e9\u30fc\u306b\u306a\u3063\u305f\u30a2\u30c9\u30ec\u30b9\u306e\u81ea\u52d5\u9664\u5916\u3084\u3001\u8a8d\u8a3c\u8a2d\u5b9a\u6e08\u307f\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u9001\u4fe1\u304c\u53ef\u80fd\u3067\u3059\u3002\u62c5\u5f53\u8005\u306e\u8ca0\u62c5\u3092\u6e1b\u3089\u3057\u306a\u304c\u3089\u3001\u5230\u9054\u7387\u306e\u9ad8\u3044\u5b89\u5b9a\u3057\u305f\u914d\u4fe1\u74b0\u5883\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u591a\u304f\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u6a5f\u80fd\u3084\u7279\u9577\u3082\u7570\u306a\u308a\u307e\u3059\u3002\u5c0e\u5165\u306e\u969b\u306f\u3001\u81ea\u793e\u306e\u76ee\u7684\u3084\u904b\u7528\u306b\u672c\u5f53\u306b\u5fc5\u8981\u306a\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u3044\u308b\u304b\u3092\u898b\u6975\u3081\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30a8\u30e9\u30fc\u306f\u3001\u5230\u9054\u7387\u306e\u4f4e\u4e0b\u3084\u6a5f\u4f1a\u640d\u5931\u3060\u3051\u3067\u306a\u304f\u3001\u9001\u4fe1\u5143\u3068\u3057\u3066\u306e\u4fe1\u983c\u6027\u306b\u3082\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u91cd\u8981\u306a\u554f\u984c\u3067\u3059\u3002\u539f\u56e0\u3092\u6b63\u3057\u304f\u628a\u63e1\u3057\u3066\u5bfe\u51e6\u3059\u308b\u3053\u3068\u306b\u52a0\u3048\u3001\u30a2\u30c9\u30ec\u30b9\u7ba1\u7406\u3084\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3001\u914d\u4fe1\u74b0\u5883\u306e\u6574\u5099\u3068\u3044\u3063\u305f\u4e88\u9632\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u3067\u3001\u30a8\u30e9\u30fc\u306e\u767a\u751f\u81ea\u4f53\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u3092\u624b\u4f5c\u696d\u3067\u5bfe\u5fdc\u3059\u308b\u306e\u306f\u73fe\u5b9f\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u6709\u52b9\u306a\u306e\u304c\u3001\u914d\u4fe1\u30a8\u30e9\u30fc\u3078\u306e\u81ea\u52d5\u5bfe\u5fdc\u3084IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u306e\u4fe1\u983c\u6027\u8a55\u4fa1\uff09\u306e\u7ba1\u7406\u306a\u3069\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u5b89\u5b9a\u904b\u7528\u3092\u652f\u63f4\u3059\u308b\u300c\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300d\u306e\u6d3b\u7528\u3067\u3059\u3002<\/p>\n<p>\u7279\u306b\u300cSynergy!\u300d\u306a\u3089\u3001\u30a8\u30e9\u30fc\u30a2\u30c9\u30ec\u30b9\u306e\u81ea\u52d5\u9664\u5916\u3001\u5c02\u9580\u30c1\u30fc\u30e0\u306b\u3088\u308b\u8a8d\u8a3c\u8a2d\u5b9a\u30b5\u30dd\u30fc\u30c8\u3001\u8a73\u7d30\u306a\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u306a\u3069\u3001\u5b9f\u52d9\u306b\u5f79\u7acb\u3064\u6a5f\u80fd\u3092\u7db2\u7f85\u3002\u914d\u4fe1\u306e\u4fe1\u983c\u6027\u3092\u4fdd\u3061\u306a\u304c\u3089\u3001\u696d\u52d9\u306e\u8ca0\u62c5\u3092\u5927\u5e45\u306b\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u88fd\u54c1\u6a5f\u80fd\u306b\u3064\u3044\u3066\u306f\u3001\u305c\u3072\u4ee5\u4e0b\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u8cc7\u6599\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"cta-premium\">\n<h4><span class=\"color-red\">CRM\u30b7\u30b9\u30c6\u30e0\u300cSynergy!\u300d\u306e\u7279\u9577\u304c\u6a5f\u80fd\u5225\u3067\u308f\u304b\u308b\u8cc7\u6599\u3067\u3059\uff01<\/span><\/h4>\n<div class=\"cta-premium-content\">\n<div class=\"cta-premium-content-text\">\n<p>\u300cSynergy!\u300d\u306e\u5177\u4f53\u7684\u306a\u88fd\u54c1\u6a5f\u80fd\u306b\u3064\u3044\u3066\u306f\u3001\u305c\u3072\u4ee5\u4e0b\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u8cc7\u6599\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n<div class=\"cta-premium-content-img\"><a href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_11\/index.do?p=synergy\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%;\" src=\"https:\/\/www.synergy-marketing.co.jp\/wp\/wp-content\/uploads\/thumb_synergy_catalog.png\" alt=\"CRM\u30b7\u30b9\u30c6\u30e0\u300cSynergy!\u300d\u306e\u7279\u9577\u304c\u6a5f\u80fd\u5225\u3067\u308f\u304b\u308b\u8cc7\u6599\u3067\u3059\uff01\" \/><\/a><\/div>\n<\/div>\n<p><a id=\"ct-blog-innnercta-03\" class=\"btn btn-red btn-block\" href=\"https:\/\/form.synergy-marketing.co.jp\/webapp\/form\/18784_mubb_11\/index.do?p=synergy\" target=\"_blank\" rel=\"noopener\">\u8cc7\u6599\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&lt;\u3053\u306e\u8a18\u4e8b\u3067\u308f\u304b\u308b\u3053\u3068&gt; 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