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\u914d\u4fe1\u30a8\u30f3\u30b8\u30f3\u306e\u8a2d\u8a08\uff1a<\/strong>\u914d\u4fe1\u30a8\u30f3\u30b8\u30f3\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u6838\u3067\u3059\u3002\u30e1\u30fc\u30eb\u306e\u751f\u6210\uff08\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\uff09\u3001\u9001\u4fe1\u30ad\u30e5\u30fc\u3078\u306e\u7a4d\u307f\u8fbc\u307f\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u30fb\u9001\u4fe1\u3001\u9001\u4fe1\u7d50\u679c\u306e\u8a18\u9332\u3068\u3044\u3046\u4e00\u9023\u306e\u51e6\u7406\u30d5\u30ed\u30fc\u3092\u8a2d\u8a08\u3057\u307e\u3059\u3002\u5927\u91cf\u914d\u4fe1\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u3092\u8907\u6570\u8d77\u52d5\u3057\u3066\u4e26\u5217\u51e6\u7406\u3059\u308b\u69cb\u6210\uff08\u4f8b\uff1aCelery + Redis\u3001AWS SQS + Lambda\uff09\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n \u30ad\u30e5\u30fc\u8a2d\u8a08\uff1a<\/strong>\u512a\u5148\u5ea6\u30ad\u30e5\u30fc\uff08\u53d6\u5f15\u30e1\u30fc\u30eb\u3092\u512a\u5148\u3001\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u306f\u4f4e\u512a\u5148\uff09\u306e\u8a2d\u8a08\u3001\u914d\u4fe1\u30ea\u30b9\u30c8\u306e\u5206\u5272\u30d0\u30c3\u30c1\u51e6\u7406\u3001\u5931\u6557\u6642\u306e\u30ea\u30c8\u30e9\u30a4\u30ed\u30b8\u30c3\u30af\uff08\u6307\u6570\u30d0\u30c3\u30af\u30aa\u30d5\uff09\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002RabbitMQ\u3084Amazon SQS\u306a\u3069\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u6d3b\u7528\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n \u30d0\u30a6\u30f3\u30b9\u51e6\u7406\uff1a<\/strong>\u9001\u4fe1\u5f8c\u306e\u30d0\u30a6\u30f3\u30b9\uff08\u914d\u4fe1\u30a8\u30e9\u30fc\uff09\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5b88\u308b\u3046\u3048\u3067\u6700\u3082\u91cd\u8981\u306a\u51e6\u7406\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u30cf\u30fc\u30c9\u30d0\u30a6\u30f3\u30b9\uff08\u5b9b\u5148\u4e0d\u660e\u30fb\u30c9\u30e1\u30a4\u30f3\u306a\u3057\uff09\u306f\u5373\u6642\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\u3001\u30bd\u30d5\u30c8\u30d0\u30a6\u30f3\u30b9\uff08\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u5bb9\u91cf\u8d85\u904e\u30fb\u4e00\u6642\u7684\u306a\u30b5\u30fc\u30d0\u30fc\u30a8\u30e9\u30fc\uff09\u306f\u95be\u5024\uff08\u4f8b\uff1a3\u56de\u9023\u7d9a\uff09\u3092\u8d85\u3048\u305f\u6642\u70b9\u3067\u9664\u5916\u3059\u308b\u30ed\u30b8\u30c3\u30af\u3092\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002ISP\u304b\u3089\u306e\u30d0\u30a6\u30f3\u30b9\u901a\u77e5\u3092SMTP DSN\uff08Delivery Status Notification\uff09\u307e\u305f\u306fFeedback Loop\u3067\u53d7\u4fe1\u3057\u3001\u81ea\u52d5\u51e6\u7406\u3059\u308b\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u8a2d\u8a08\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n \u7ba1\u7406\u753b\u9762\u306e\u958b\u767a\uff1a<\/strong>\u914d\u4fe1\u30ea\u30b9\u30c8\u7ba1\u7406\u30fb\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u4f5c\u6210\u30fb\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u7de8\u96c6\u30fb\u914d\u4fe1\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u8a2d\u5b9a\u30fb\u914d\u4fe1\u30ec\u30dd\u30fc\u30c8\uff08\u958b\u5c01\u7387\u30fb\u30af\u30ea\u30c3\u30af\u7387\u30fb\u30d0\u30a6\u30f3\u30b9\u7387\u30fb\u914d\u4fe1\u505c\u6b62\u7387\uff09\u8868\u793a\u306a\u3069\u3001\u904b\u7528\u62c5\u5f53\u8005\u304c\u65e5\u5e38\u7684\u306b\u4f7f\u3046\u6a5f\u80fd\u3092\u76f4\u611f\u7684\u306aUI\u3067\u5b9f\u88c5\u3057\u307e\u3059\u3002\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\uff08React\u30fbVue.js\u7b49\uff09\u3092\u4f7f\u3063\u305fSPA\u3067\u69cb\u7bc9\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n \u30c6\u30b9\u30c8\u30d5\u30a7\u30fc\u30ba\uff1a<\/strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u30c6\u30b9\u30c8\u3067\u306f\u3001\u5358\u4f53\u30c6\u30b9\u30c8\u30fb\u7d50\u5408\u30c6\u30b9\u30c8\u306b\u52a0\u3048\u3001\u4ee5\u4e0b\u306e\u30c6\u30b9\u30c8\u304c\u7279\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n \u30ea\u30ea\u30fc\u30b9\uff1a<\/strong>\u672c\u756a\u30ea\u30ea\u30fc\u30b9\u524d\u306b\u3001\u5c11\u91cf\u306e\u5b9f\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u914d\u4fe1\uff08\u5f90\u3005\u306b\u9001\u4fe1\u91cf\u3092\u5897\u3084\u3057\u3066IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u30d7\u30ed\u30bb\u30b9\uff09\u3092\u884c\u3044\u307e\u3059\u3002\u65b0\u898fIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u7a81\u7136\u5927\u91cf\u914d\u4fe1\u3059\u308b\u3068\u30b9\u30d1\u30e0\u5224\u5b9a\u3055\u308c\u308b\u30ea\u30b9\u30af\u304c\u9ad8\u3044\u305f\u3081\u3001\u6570\u9031\u9593\u304b\u3051\u3066\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n \u904b\u7528\u30d5\u30a7\u30fc\u30ba\uff1a<\/strong>\u30ea\u30ea\u30fc\u30b9\u5f8c\u306f\u3001\u5230\u9054\u7387\u30fb\u958b\u5c01\u7387\u30fb\u30d0\u30a6\u30f3\u30b9\u7387\u30fb\u30b9\u30d1\u30e0\u82e6\u60c5\u7387\uff08Complaint Rate\uff09\u3092\u5b9a\u671f\u7684\u306b\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002Gmail\u306e\u30dd\u30b9\u30c8\u30de\u30b9\u30bf\u30fc\u30c4\u30fc\u30eb\u30fbYahoo Sender Hub\u306a\u3069\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30eb\u30fc\u30d7\u3092\u6d3b\u7528\u3057\u3066\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u5065\u5168\u6027\u3092\u7d99\u7d9a\u7684\u306b\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n 2024\u5e74\u4ee5\u964d\u3001Gmail\u3068Yahoo Mail\u306f\u5927\u91cf\u9001\u4fe1\u8005\u306b\u5bfe\u3057\u3066DKIM\u30fbSPF\u30fbDMARC\u306e\u8a2d\u5b9a\u3092\u5fc5\u9808\u8981\u4ef6\u3068\u3057\u3001\u672a\u8a2d\u5b9a\u306e\u5834\u5408\u306f\u53d7\u4fe1\u62d2\u5426\u307e\u305f\u306f\u30b9\u30d1\u30e0\u30d5\u30a9\u30eb\u30c0\u3078\u306e\u632f\u308a\u5206\u3051\u3092\u884c\u3046\u65b9\u91dd\u3092\u660e\u78ba\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u306f\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u300c\u30a4\u30f3\u30d5\u30e9\u3068\u3057\u3066\u306e\u57fa\u76e4\u300d\u3067\u3042\u308a\u3001\u958b\u767a\u306e\u521d\u671f\u6bb5\u968e\u304b\u3089\u7d44\u307f\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n SPF\uff08Sender Policy Framework\uff09\uff1a<\/strong>\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30ec\u30b3\u30fc\u30c9\u306b\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u8a31\u53ef\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u307e\u305f\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u30ea\u30b9\u30c8\u3092\u767b\u9332\u3057\u307e\u3059\u3002\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306f\u3053\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u7167\u5408\u3059\u308b\u3053\u3068\u3067\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u691c\u51fa\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u9001\u4fe1IP\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u3059\u3079\u3066\u306eIP\u3092SPF\u30ec\u30b3\u30fc\u30c9\u306b\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n DKIM\uff08DomainKeys Identified Mail\uff09\uff1a<\/strong>\u9001\u4fe1\u30e1\u30fc\u30eb\u306e\u30d8\u30c3\u30c0\u30fc\u30fb\u672c\u6587\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u4e0e\u3057\u3001\u53d7\u4fe1\u5074\u3067\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u516c\u958b\u9375\u3092\u4f7f\u3063\u3066\u691c\u8a3c\u3057\u307e\u3059\u3002\u30e1\u30fc\u30eb\u304c\u8ee2\u9001\u3055\u308c\u3066\u3082\u7f72\u540d\u304c\u7dad\u6301\u3055\u308c\u308b\u305f\u3081\u3001\u6539\u3056\u3093\u691c\u77e5\u3068\u9001\u4fe1\u5143\u306e\u6b63\u5f53\u6027\u8a3c\u660e\u306b\u6709\u52b9\u3067\u3059\u3002\u9375\u9577\u306f2048\u30d3\u30c3\u30c8\u4ee5\u4e0a\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n DMARC\uff08Domain-based Message Authentication, Reporting & Conformance\uff09\uff1a<\/strong>SPF\u3068DKIM\u306e\u691c\u8a3c\u7d50\u679c\u306b\u57fa\u3065\u3044\u3066\u30e1\u30fc\u30eb\u3092\u3069\u3046\u51e6\u7406\u3059\u308b\u304b\uff08none\u30fbquarantine\u30fbreject\uff09\u306e\u30dd\u30ea\u30b7\u30fc\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u8a8d\u8a3c\u5931\u6557\u306e\u30ec\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u53d6\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u9001\u4fe1\u306e\u76e3\u8996\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002\u672c\u756a\u914d\u4fe1\u524d\u306bnone\u30dd\u30ea\u30b7\u30fc\u3067\u904b\u7528\u3057\u3066\u30ec\u30dd\u30fc\u30c8\u3092\u53ce\u96c6\u3057\u3001\u554f\u984c\u304c\u306a\u3051\u308c\u3070quarantine\u307e\u305f\u306freject\u30dd\u30ea\u30b7\u30fc\u306b\u79fb\u884c\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n 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<\/figure>\n<\/div>\n<\/div>\n\n\n\n\u5230\u9054\u7387\u3092\u9ad8\u3081\u308b\u305f\u3081\u306e\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a2d\u5b9a\uff08DKIM\u30fbSPF\u30fbDMARC\uff09<\/strong><\/h3>\n<\/div>\n\n\n\n
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\u5916\u6ce8\u30fb\u767a\u6ce8\u306e\u30dd\u30a4\u30f3\u30c8<\/strong><\/h2>\n\n\n
\u958b\u767a\u4f1a\u793e\u9078\u5b9a\u306e\u57fa\u6e96<\/strong><\/h3>\n<\/div>\n\n\n\n
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RFP\u4f5c\u6210\u3068\u8981\u4ef6\u306e\u4f1d\u3048\u65b9<\/strong><\/h3>\n<\/div>\n\n\n\n
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\u307e\u3068\u3081<\/strong><\/h2>\n\n\n
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