![\"\u304a\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u30e1\u30fc\u30eb\u306e\u57fa\u790e\u7528\u8a9e\"](\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2022\/04\/20220428_blog.png\")
<\/p>\n<\/p>\n
\n\u3053\u306e\u8a18\u4e8b\u306f Industry Standard Email Terminology<\/a> \u306e\u6284\u8a33\u3067\u3059\u3002<\/p>\n<\/blockquote>\n
\u30e1\u30fc\u30eb\u306e\u7528\u8a9e\u306f\u96e3\u89e3\u306a\u3082\u306e\u3070\u304b\u308a\u3002\u7565\u8a9e\u3084\u610f\u5473\u304c\u4f3c\u901a\u3063\u305f\u7528\u8a9e\u304c\u591a\u304f\u3001\u6b63\u78ba\u306b\u610f\u5473\u3092\u3068\u3089\u3048\u308b\u306e\u306f\u96e3\u3057\u3044\u2026\u3002\u305d\u3093\u306a\u58f0\u306b\u304a\u5fdc\u3048\u3057\u3066\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u6b63\u3057\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u7528\u8a9e\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n
\u30e1\u30fc\u30eb\u4e00\u822c<\/h4>\n
\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\uff08Marketing Email\uff09<\/h5>\n
\u30cb\u30e5\u30fc\u30b9\u3084\u30a4\u30d9\u30f3\u30c8\u60c5\u5831\u7b49\u3092\u5b9a\u671f\u7684\u306b\u914d\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u5f62\u614b\u3002\u30e1\u30fc\u30eb\u30de\u30ac\u30b8\u30f3\u306a\u3069\u3002<\/p>\n
\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\uff08Transactional Email\uff09<\/h5>\n
\u4f55\u3089\u304b\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u304d\u3063\u304b\u3051\u306b\u3001\u81ea\u52d5\u7684\u306b\u9001\u4fe1\u3055\u308c\u308b\u30e1\u30fc\u30eb\u3002\u30e6\u30fc\u30b6\u767b\u9332\u306e\u5b8c\u4e86\u901a\u77e5\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30de\u30a4\u30f3\u30c0\u3001\u767a\u9001\u5b8c\u4e86\u306e\u304a\u77e5\u3089\u305b\u3001\u53cb\u9054\u30ea\u30af\u30a8\u30b9\u30c8\u3001\u306a\u3069\u3002<\/p>\n
\u30aa\u30d7\u30c8\u30a4\u30f3\uff08Opt-in\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u53d7\u4fe1\u8005\u306e\u4e8b\u524d\u627f\u8afe\u306e\u3053\u3068\u3002
\n\u5e83\u544a\u5ba3\u4f1d\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306f\u3001\u539f\u5247\u7684\u306b\u3001\u540c\u610f\u3092\u5f97\u305f\u53d7\u4fe1\u8005\u306e\u307f\u306b\u914d\u4fe1\u3059\u308b\u300c\u30aa\u30d7\u30c8\u30a4\u30f3\u65b9\u5f0f\u300d\u3092\u63a1\u7528\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n\u30aa\u30d7\u30c8\u30a2\u30a6\u30c8\uff08Opt-out\uff09<\/h5>\n
\u53d7\u4fe1\u8005\u306b\u3088\u308b\u914d\u4fe1\u505c\u6b62\u306e\u3053\u3068\u3002
\n\u300c\u30aa\u30d7\u30c8\u30a2\u30a6\u30c8\u65b9\u5f0f\u300d\u306f\u30e1\u30fc\u30eb\u53d7\u4fe1\u8005\u306e\u4e8b\u524d\u627f\u8afe\u306a\u3057\u306b\u3001\u9001\u4fe1\u8005\u304b\u3089\u4e00\u65b9\u7684\u306b\u5e83\u544a\u5ba3\u4f1d\u30e1\u30fc\u30eb\u3092\u9001\u308b\u65b9\u5f0f\u3092\u6307\u3059\u3002<\/p>\n\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\uff08Engagement\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\uff0f\u53d7\u4fe1\u8005\u9593\u306e\u95a2\u4fc2\u30fb\u4fe1\u983c\u306e\u5f37\u3055\u3092\u793a\u3059\u6307\u6a19\u3002
\nISP\u306b\u3088\u3063\u3066\u3001\u4e3b\u306b\u53d7\u4fe1\u8005\u306e\u884c\u52d5\u3092\u3082\u3068\u306b\u6307\u6a19\u5316\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u306b\u3082\u5f71\u97ff\u3059\u308b\u3002\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u304c\u4e0a\u304c\u308b\u884c\u52d5\u306e\u4f8b\u3068\u3057\u3066\u3001\u30e1\u30fc\u30eb\u4e2d\u306e\u30ea\u30f3\u30af\u306e\u30af\u30ea\u30c3\u30af\u3084\u30e1\u30fc\u30eb\u306e\u8ee2\u9001\u3001\u9006\u306b\u4e0b\u304c\u308b\u884c\u52d5\u306e\u4f8b\u3068\u3057\u3066\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u3092\u51fa\u3059\u3001\u958b\u5c01\u305b\u305a\u306b\u524a\u9664\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u6319\u3052\u3089\u308c\u308b\u3002<\/p>\n\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\uff08Phishing\uff09<\/h5>\n
\u9280\u884c\u3084\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u4f1a\u793e\u306a\u3069\u3092\u88c5\u3063\u3066\u3001\u30e6\u30fc\u30b6\u540d\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u60c5\u5831\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u756a\u53f7\u3068\u3044\u3063\u305f\u500b\u4eba\u60c5\u5831\u3092\u4e0d\u6b63\u306b\u5165\u624b\u3059\u308b\u884c\u70ba\u3002
\n\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3092\u76ee\u7684\u3068\u3057\u305f\u30e1\u30fc\u30eb\u306f\u3001\u4e00\u898b\u3059\u308b\u3068\u4fe1\u7528\u3042\u308b\u9001\u4fe1\u5143\u304b\u3089\u914d\u4fe1\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u305b\u304b\u3051\u3089\u308c\u3066\u3044\u308b\u3002<\/p>\n\u306a\u308a\u3059\u307e\u3057\uff0f\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\uff08Spoofing\uff09<\/h5>\n
\u4ed6\u4eba\u306b\u306a\u308a\u3059\u307e\u3057\u3001\u53d7\u4fe1\u8005\u3092\u9a19\u3057\u3066\u30e1\u30fc\u30eb\u3092\u958b\u5c01\u3055\u305b\u308b\u3088\u3046\u306b\u4ed5\u5411\u3051\u308b\u3001\u507d\u88c5\u30e1\u30fc\u30eb\u306e\u6280\u8853\u3002
\n\u30a6\u30a4\u30eb\u30b9\u306a\u3069\u306e\u60aa\u610f\u306e\u3042\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5e83\u3081\u308b\u305f\u3081\u306b\u5229\u7528\u3055\u308c\u308b\u3002<\/p>\n\u30d8\u30c3\u30c0\uff08Header\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u672c\u6587\u306b\u4ed8\u968f\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3001\u30e1\u30fc\u30eb\u81ea\u4f53\u3084\u305d\u306e\u9001\u4fe1\u7d4c\u8def\u306a\u3069\u306e\u60c5\u5831\u3092\u542b\u3080\u3002
\n\u53d7\u4fe1\u30c8\u30ec\u30a4\u3067\u306f\u3001\u30d8\u30c3\u30c0\u306e “to”\uff08\u5b9b\u5148\uff09\u3084 “from”\uff08\u9001\u4fe1\u5143\uff09\u304c\u8868\u793a\u3055\u308c\u308b\u3002<\/p>\n\u30d0\u30a6\u30f3\u30b9\uff08Bounce\uff09<\/h5>\n
\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u3001\u4f55\u3089\u304b\u306e\u30a8\u30e9\u30fc\u306b\u3088\u3063\u3066\u9001\u4fe1\u8005\u306b\u5dee\u3057\u623b\u3055\u308c\u308b\u3053\u3068\u3002
\n\u30d0\u30a6\u30f3\u30b9\u30e1\u30fc\u30eb\u306b\u306f\u300c\u30cf\u30fc\u30c9\u300d\u3068\u300c\u30bd\u30d5\u30c8\u300d\u306e2\u7a2e\u985e\u304c\u3042\u308b\u3002<\/p>\n\u25a0\u30cf\u30fc\u30c9\u30d0\u30a6\u30f3\u30b9
\n\u6c38\u7d9a\u7684\u306a\u30a8\u30e9\u30fc\u306b\u3088\u308b\u30d0\u30a6\u30f3\u30b9\u3002\u305d\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u306f\u57fa\u672c\u7684\u306b\u5c4a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3002\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u3057\u3066\u306f\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u30b1\u30fc\u30b9\u3084\u53d7\u4fe1\u62d2\u5426\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u308b\u3002<\/p>\n\u25a0\u30bd\u30d5\u30c8\u30d0\u30a6\u30f3\u30b9
\n\u4e00\u6642\u7684\u306a\u30a8\u30e9\u30fc\u306b\u3088\u308b\u30d0\u30a6\u30f3\u30b9\u3002\u6642\u9593\u3092\u304a\u3044\u3066\u518d\u9001\u4fe1\u3059\u308c\u3070\u5c4a\u304f\u3053\u3068\u304c\u591a\u3044\u3002
\n\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u3057\u3066\u306f\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u5bb9\u91cf\u30aa\u30fc\u30d0\u30fc\u3084\u30b5\u30fc\u30d0\u306e\u30c0\u30a6\u30f3\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u308b\u3002<\/p>\n\u914d\u4fe1\u4e0d\u80fd\u30ec\u30dd\u30fc\u30c8\uff08Non-Delivery Receipt\uff09<\/h5>\n
\u914d\u9001\u306e\u904e\u7a0b\u3067\u4f55\u3089\u304b\u306e\u30c8\u30e9\u30d6\u30eb\u306b\u3088\u308a\u30e1\u30fc\u30eb\u304c\u5c4a\u3051\u3089\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u8fd4\u3055\u308c\u308b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3002Return-Path\u30d8\u30c3\u30c0\u3067\u6307\u5b9a\u3055\u308c\u305f\u30a2\u30c9\u30ec\u30b9\u306b\u901a\u77e5\u3055\u308c\u308b\u3002<\/p>\n
\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\uff08Cleaning\uff09<\/h5>\n
\u5b58\u5728\u3057\u306a\u3044\u5b9b\u5148\u3084\u53cd\u5fdc\u306e\u306a\u3044\u5b9b\u5148\u306a\u3069\u3001\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u3079\u304d\u3067\u306a\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5b9b\u5148\u30ea\u30b9\u30c8\u304b\u3089\u524a\u9664\u3059\u308b\u3053\u3068\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n
\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u95a2\u9023<\/h4>\n
\u82e6\u60c5\uff08Complaint\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u8005\u304c\u3001\u30e1\u30fc\u30e9\u4e0a\u3067\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u300d\u3084\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30e9\u30b0\u300d\u3092\u3064\u3051\u308b\u3053\u3068\u3002<\/p>\n
\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30eb\u30fc\u30d7\uff08Feedback Loop\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u53d7\u4fe1\u8005\u304b\u3089\u306e\u82e6\u60c5\uff08\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u306a\u3069\uff09\u3092\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u9001\u4fe1\u5143\u306b\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3002
\n\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u9001\u4fe1\u5143\u306f\u8a72\u5f53\u30a2\u30c9\u30ec\u30b9\u3092\u5b9b\u5148\u30ea\u30b9\u30c8\u304b\u3089\u901f\u3084\u304b\u306b\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u30b5\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u30ea\u30b9\u30c8\uff08Suppression List\uff09<\/h5>\n
\u53d7\u4fe1\u8005\u304b\u3089\u306e\u914d\u4fe1\u505c\u6b62\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u306a\u3069\u3092\u53d7\u3051\u3066\u3001\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u3092\u505c\u6b62\u3057\u305f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u30ea\u30b9\u30c8\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n
IP\u30a2\u30c9\u30ec\u30b9<\/h4>\n
IP\u30a2\u30c9\u30ec\u30b9\uff08IP Address\uff09<\/h5>\n
\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u3001\u56fa\u6709\u306e\u756a\u53f7\uff08\u4f8b\uff1a192.0.2.0 \u306a\u3069\uff09\u3002
\nIP\u30a2\u30c9\u30ec\u30b9\u306b\u306f\u3001\u30e1\u30fc\u30eb\u304c\u914d\u4fe1\u3055\u308c\u308b\u5ea6\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u52d5\u7684IP\u30a2\u30c9\u30ec\u30b9\u3068\u3001\u5909\u66f4\u3055\u308c\u306a\u3044\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u306e2\u7a2e\u985e\u304c\u3042\u308b\u3002\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u81ea\u8eab\u304c\u5f8c\u8ff0\u306e\u300cIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u300d\u3092\u7ba1\u7406\u3057\u3066\u5230\u9054\u7387\u3092\u7dad\u6301\u3059\u308b\u306b\u306f\u3001\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u306e\u5229\u7528\u304c\u63a8\u5968\u3055\u308c\u308b\u3002<\/p>\nIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff08IP Reputation\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\uff09\u306e\u4fe1\u983c\u5ea6\u3002
\n\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u306eIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u4f4e\u3044\u5834\u5408\u3001\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3068\u898b\u306a\u3055\u308c\u3001\u53d7\u4fe1\u62d2\u5426\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\uff08Dedicated IP Address\uff09<\/h5>\n
\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u3084\u7d44\u7e54\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3084IP\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u3002<\/p>\n
\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\uff08Shared IP Address\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u3092\u914d\u4fe1\u3059\u308b\u969b\u3001\u8907\u6570\u306e\u30c9\u30e1\u30a4\u30f3\u30671\u3064\u306eIP\u30a2\u30c9\u30ec\u30b9\uff08\u307e\u305f\u306fIP\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\uff09\u3092\u5171\u6709\u3059\u308b\u3053\u3068\u3002
\n\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u5168\u3066\u306e\u5229\u7528\u8005\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u96c6\u7d04\u306b\u57fa\u3065\u3044\u3066\u6c7a\u307e\u308b\u3002<\/p>\nIP\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\uff08IP Warmup\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u9001\u4fe1\u91cf\u3092\u6bb5\u968e\u7684\u306b\u5897\u3084\u3057\u3001\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4e0a\u3052\u3001\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3067\u304d\u308b\u74b0\u5883\u3092\u6574\u3048\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u3053\u3068\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n
\u30c9\u30e1\u30a4\u30f3<\/h4>\n
\u30c9\u30e1\u30a4\u30f3\uff08Domain\uff09<\/h5>\n
\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u5834\u6240\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u3064\u3051\u3089\u308c\u308b\u540d\u79f0\uff08\u4f8b\uff1aexample.com\uff09\u3002
\n\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u306f\u3001\u6570\u5b57\u306e\u7f85\u5217\u3067\u3042\u308bIP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3055\u308c\u308b\u3002<\/p>\nWHOIS\u30ec\u30b3\u30fc\u30c9\uff08WHOIS Record\uff09<\/h5>\n
\u30c9\u30e1\u30a4\u30f3\u306e\u767b\u9332\u8a18\u9332\u3002
\n\u767b\u9332\u65e5\u3001\u767b\u9332\u8005\u3001\u9023\u7d61\u5148\u3001\u6709\u52b9\u671f\u9650\u306a\u3069\u304c\u5206\u304b\u308b\u3002<\/p>\nDNS\uff08Domain Name System\uff09<\/h5>\n
\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u5bfe\u5fdc\u3055\u305b\u308b\u30b7\u30b9\u30c6\u30e0\u3002
\n\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u7d10\u4ed8\u3051\u60c5\u5831\u306e\u307b\u304b\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3084\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u305f\u3081\u306e\u8a8d\u8a3c\u60c5\u5831\u7b49\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\u9006\u5f15\u304dDNS\uff08Reverse DNS\uff09<\/h5>\n
IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u540d\u3078\u5909\u63db\u3059\u308b\u3053\u3068\u3002
\nDNS\u3092\u5229\u7528\u3057\u3066\u30c9\u30e1\u30a4\u30f3\u540d\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u5f15\u304f\u306e\u3068\u306f\u3001\u9006\u306e\u30d7\u30ed\u30bb\u30b9\u3002<\/p>\nMX\u30ec\u30b3\u30fc\u30c9\uff08MX Record\uff09<\/h5>\n
DNS\u306eMX\uff08Mail Exchanger\uff09\u30ec\u30b3\u30fc\u30c9\u3002
\n\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u3001\u3069\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304c\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u304b\u3092\u8a2d\u5b9a\u3057\u305f\u3082\u306e\u3002<\/p>\n\u30c9\u30e1\u30a4\u30f3\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff08Domain Reputation\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\uff08\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\uff09\u306e\u4fe1\u983c\u5ea6\u3002
\nIP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u540c\u69d8\u306b\u3001\u4fe1\u983c\u5ea6\u304c\u4f4e\u3044\u3068\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u304c\u4e0b\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56<\/h4>\n
\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\uff08Spam Filter\uff09<\/h5>\n
\u53d7\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u3092\u6a5f\u68b0\u7684\u306b\u5206\u6790\u3057\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u65ad\u3055\u308c\u308b\u3082\u306e\u3092\u3001\u81ea\u52d5\u7684\u306b\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u3078\u79fb\u52d5\uff08\u307e\u305f\u306f\u524a\u9664\uff09\u3059\u308b\u3053\u3068\u3002\u30b9\u30d1\u30e0\u30d5\u30a3\u30eb\u30bf\u3002
\n\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u8aa4\u5224\u5b9a\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u30b3\u30c4\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\uff08Spam Mail Folder\uff09<\/h5>\n
\u7591\u308f\u3057\u3044\uff08\u8ff7\u60d1\u30e1\u30fc\u30eb\u304b\u3082\u3057\u308c\u306a\u3044\uff09\u30e1\u30fc\u30eb\u304c\u632f\u308a\u5206\u3051\u3089\u308c\u308b\u30d5\u30a9\u30eb\u30c0\u3002\u5225\u540d\u300c\u30b9\u30d1\u30e0\u30d5\u30a9\u30eb\u30c0\u300d\u3002<\/p>\n
\u62d2\u5426\u30ea\u30b9\u30c8\uff08Deny List\uff09<\/h5>\n
\u672a\u627f\u8afe\u30e1\u30fc\u30eb\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u30ea\u30b9\u30c8\u3002
\nISP\u3084\u4f01\u696d\u306f\u62d2\u5426\u30ea\u30b9\u30c8\u3092\u5229\u7528\u3057\u3066\u3001\u9055\u6cd5\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u691c\u51fa\u304a\u3088\u3073\u30d5\u30a3\u30eb\u30bf\u3059\u308b\u3002\u4ee3\u8868\u7684\u306a\u62d2\u5426\u30ea\u30b9\u30c8\u306f\u3001Spamhaus\u3001Barracuda Reputation Block List \u306a\u3069\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u8a31\u53ef\u30ea\u30b9\u30c8\uff08Allow List\uff09<\/h5>\n
\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u3092\u56de\u907f\u3057\u3066\u30e1\u30fc\u30eb\u3092\u914d\u4fe1\u3067\u304d\u308b\u3001\u4fe1\u983c\u3067\u304d\u308bIP\u30a2\u30c9\u30ec\u30b9\u3068\u30c9\u30e1\u30a4\u30f3\u306e\u30ea\u30b9\u30c8\u3002<\/p>\n
\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\uff08Throttling\uff09<\/h5>\n
\u7279\u5b9a\u306e\u9001\u4fe1\u8005\u304b\u3089\u5927\u91cf\u306b\u30e1\u30fc\u30eb\u9001\u4fe1\u3055\u308c\u305f\u5834\u5408\u3001\u4e00\u6642\u7684\u306b\u53d7\u4fe1\u5236\u9650\u3092\u884c\u3046\u3053\u3068\u3002
\n\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u884c\u3046\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56\u306e\u3072\u3068\u3064\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u30b5\u30d6\u30df\u30c3\u30b7\u30e7\u30f3\u30dd\u30fc\u30c8\uff08Submission Port\uff09<\/h5>\n
\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3078\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306b\u4f7f\u7528\u3055\u308c\u308b\u3001\u9001\u4fe1\u5c02\u7528\u306e\u5b9b\u5148\u30dd\u30fc\u30c8\u3002
\n\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56\u306e\u4e00\u74b0\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3001\u4e00\u822c\u7684\u306b\u306fSMTP\u8a8d\u8a3c\u3068\u4f75\u7528\u3055\u308c\u308b\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\uff08Spam Trap\uff09<\/h5>\n
\u8ff7\u60d1\u30e1\u30fc\u30eb\u696d\u8005\u3092\u3042\u3076\u308a\u51fa\u3059\u305f\u3081\u306bISP\u304c\u7528\u610f\u3057\u305f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3002\u5225\u540d\u300c\u30cf\u30cb\u30fc\u30dd\u30c3\u30c8\u300d\u3002
\n\u30b9\u30d1\u30e0\u30c8\u30e9\u30c3\u30d7\u3068\u306a\u3063\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u3001\uff08\u8ff7\u60d1\u30e1\u30fc\u30eb\u696d\u8005\u304c\u3088\u304f\u4f7f\u3046\uff09\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u81ea\u52d5\u53ce\u96c6\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3057\u304b\u53d6\u5f97\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u8aa4\u3063\u3066\u30c8\u30e9\u30c3\u30d7\u306b\u306f\u307e\u3089\u306a\u3044\u305f\u3081\u306e\u30b3\u30c4\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\nCAN-SPAM\u6cd5\uff08CAN-SPAM Act\uff09<\/h5>\n
Controlling the Assault of Non-Solicited Pornography and Marketing Act \u306e\u7565\u3002
\n\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u898f\u5236\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3001\u7c73\u56fd\u9023\u90a6\u653f\u5e9c\u304c\u5b9a\u3081\u305f\u6cd5\u5f8b\u3002\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u898f\u5236\u3059\u308b\u6cd5\u5f8b\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c<\/h4>\n
\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08Email Authentication\uff09<\/h5>\n
\u30e1\u30fc\u30eb\u304c\u6b63\u5f53\u306a\u30b5\u30fc\u30d0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u3082\u306e\u304b\u3092\u691c\u8a3c\u3059\u308b\u6280\u8853\u898f\u683c\u3002
\n\u4e3b\u306a\u898f\u683c\u3068\u3057\u3066\u306f\u3001SPF\u3084DKIM\u306a\u3069\u304c\u3042\u308b\u3002<\/p>\nSPF\uff08Sender Policy Framework\uff09<\/h5>\n
\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u306e\u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9\u3092\u5bfe\u8c61\u3068\u3057\u305f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u65b9\u5f0f\u306e\u3072\u3068\u3064\u3002
\n\u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089DNS\u3092\u5f15\u3044\u3066\u3001\u6b63\u898f\u306e\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u3001\u5b9f\u969b\u306e\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3068\u7167\u5408\u3057\u3066\u5224\u5b9a\u3059\u308b\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\nDKIM\uff08DomainKeys Identified Mail\uff09<\/h5>\n
\u96fb\u5b50\u7f72\u540d\u3092\u5229\u7528\u3057\u305f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u65b9\u5f0f\u306e\u3072\u3068\u3064\u3002
\n\u9001\u4fe1\u5074\u3067\u30d8\u30c3\u30c0\u306b\u96fb\u5b50\u7f72\u540d\u3092\u65bd\u3057\u3001\u53d7\u4fe1\u5074\u3067\u96fb\u5b50\u7f72\u540d\u306e\u7167\u5408\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u6b63\u5f53\u306a\u9001\u4fe1\u8005\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u6539\u7ac4\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\nDMARC\uff08Domain-based Message Authentication, Reporting and Conformance\uff09<\/h5>\n
SPF\u3068DKIM\u306e\u8a8d\u8a3c\u7d50\u679c\u304b\u3089\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u5224\u65ad\u3059\u308b\u4ed5\u7d44\u307f\u3002\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u7ba1\u7406\u8005\u304c\u3001\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u306e\u53d6\u308a\u6271\u3044\u65b9\u6cd5\u3092\u6c7a\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n
\u30a4\u30f3\u30d5\u30e9\u95a2\u9023<\/h4>\n
ISP\uff08Internet Service Provider\uff09<\/h5>\n
\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u63a5\u7d9a\u3092\u63d0\u4f9b\u3059\u308b\u7d44\u7e54\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u4e8b\u696d\u8005\uff09\u3002
\n\u591a\u304f\u306eISP\u3067\u306f\u3001\u4ed8\u52a0\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/p>\nSMTP\uff08Simple Mail Transfer Protocol\uff09<\/h5>\n
\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u7d4c\u7531\u3057\u3066\u3001\u30b5\u30fc\u30d0\u9593\u3067\u30e1\u30fc\u30eb\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3002
\n\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\nMTA\uff08Mail Transfer Agent\uff09<\/h5>\n
\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u9593\u3067\u30e1\u30fc\u30eb\u3092\u8ee2\u9001\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3002
\nMTA\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30fc\u30d0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3001SMTP\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u9001\u4fe1\uff09\u3068\u30b5\u30fc\u30d0\uff08\u53d7\u4fe1\uff09\u306e\u4e21\u65b9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u3002\u4ee3\u8868\u7684\u306aMTA\u3068\u3057\u3066 Sendmail\u3001qmail\u3001Postfix \u306a\u3069\u304c\u3042\u308b\u3002<\/p>\n\u30aa\u30fc\u30d7\u30f3\u30ea\u30ec\u30fc\uff08Open Relay\uff09<\/h5>\n
\u9001\u4fe1\u5143\u306e\u5236\u9650\u306a\u3069\u304c\u306a\u304f\u3001\u8ab0\u3067\u3082\u81ea\u7531\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u901a\u3057\u3066\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308bSMTP\u30b5\u30fc\u30d0\u306e\u3053\u3068\u3002
\n\u30aa\u30fc\u30d7\u30f3\u30ea\u30ec\u30fc\u30b5\u30fc\u30d0\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306b\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u305f\u3044\u3066\u3044\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u304b\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u8f09\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u3053\u306e\u8a2d\u5b9a\u306f\u907f\u3051\u305f\u65b9\u304c\u826f\u3044\u3002<\/p>\n\u305d\u306e\u4ed6<\/h4>\n
Webhook<\/h5>\n
Web\u30b5\u30fc\u30d3\u30b9\u4e0a\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u3001\u4ed6\u306eWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306bHTTP\u3067\u901a\u77e5\u3059\u308b\u4ed5\u7d44\u307f\u3002
\nSendGrid\u3067\u306f\u3001\u30d0\u30a6\u30f3\u30b9\u3084\u914d\u4fe1\u505c\u6b62\u30ea\u30af\u30a8\u30b9\u30c8\u306a\u3069\u304c\u767a\u751f\u3057\u305f\u969b\u306e\u30a4\u30d9\u30f3\u30c8\u60c5\u5831\u3084\u3001\u53d7\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u3092\u3001\u6307\u5b9a\u3057\u305fURL\u306bPOST\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002
\n\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\u3053\u308c\u3089\u306e\u7528\u8a9e\u3092\u3075\u307e\u3048\u305f\u4e0a\u3067\u3001\u30e1\u30fc\u30eb\u306e\u5168\u4f53\u50cf\u306b\u3064\u3044\u3066\u306fEmail Deliverability Guide<\/a> \u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u306e\u8a18\u4e8b\u306f Industry Standard Email Terminology \u306e\u6284\u8a33\u3067\u3059\u3002 \u30e1\u30fc\u30eb\u306e\u7528\u8a9e\u306f\u96e3\u89e3\u306a\u3082\u306e\u3070\u304b\u308a\u3002\u7565\u8a9e\u3084\u610f\u5473\u304c\u4f3c\u901a\u3063\u305f\u7528\u8a9e\u304c\u591a\u304f\u3001\u6b63\u78ba\u306b\u610f\u5473\u3092\u3068\u3089\u3048\u308b\u306e\u306f\u96e3\u3057\u3044\u2026\u3002\u305d\u3093\u306a\u58f0\u306b\u304a\u5fdc\u3048\u3057\u3066\u3001\u30e1 …\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":15090,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-658","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\/658","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=658"}],"version-history":[{"count":5,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/658\/revisions"}],"predecessor-version":[{"id":18434,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/658\/revisions\/18434"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/media\/15090"}],"wp:attachment":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}