{"id":22683,"date":"2026-09-10T18:34:08","date_gmt":"2026-09-10T09:34:08","guid":{"rendered":"https:\/\/blastmail.jp\/blog\/?p=22683"},"modified":"2026-09-10T18:35:10","modified_gmt":"2026-09-10T09:35:10","slug":"list-unsubscribe","status":"publish","type":"post","link":"https:\/\/blastmail.jp\/blog\/mail-delivery\/list-unsubscribe","title":{"rendered":"List-Unsubscribe\u3068\u306f\uff1f\u30d8\u30c3\u30c0\u306e\u8a18\u8ff0\u4f8b\u3068RFC 8058\u6e96\u62e0\u306e\u5b9f\u88c5\u624b\u9806\u3092\u89e3\u8aac"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2026\/09\/list-unsubscribe.png\" alt=\"List-Unsubscribe\u3068\u306f\uff1f\u30d8\u30c3\u30c0\u306e\u8a18\u8ff0\u4f8b\u3068RFC 8058\u6e96\u62e0\u306e\u5b9f\u88c5\u624b\u9806\u3092\u89e3\u8aac\" width=\"1734\" height=\"907\" class=\"alignnone size-full wp-image-22685\" \/><\/p>\n<p>\u300cList-Unsubscribe\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u8a00\u308f\u308c\u305f\u3082\u306e\u306e\u3001\u5177\u4f53\u7684\u306b\u4f55\u3092\u3069\u3053\u306b\u66f8\u3051\u3070\u3044\u3044\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u3002\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u5b9a\u753b\u9762\u306b\u305d\u308c\u3089\u3057\u3044\u9805\u76ee\u304c\u306a\u3044\u3002\u30d8\u30c3\u30c0\u3092\u8ffd\u52a0\u3057\u305f\u306f\u305a\u306a\u306e\u306b\u3001Gmail\u306b\u300c\u767b\u9332\u89e3\u9664\u300d\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u62c5\u5f53\u8005\u3084\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u8005\u304b\u3089\u3001\u3053\u3046\u3057\u305f\u76f8\u8ac7\u304c\u5f53\u793e\u306b\u3082\u5bc4\u305b\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u80cc\u666f\u306b\u3042\u308b\u306e\u306f\u3001Gmail\u30fbYahoo!\u30e1\u30fc\u30eb\u30fbMicrosoft Outlook\u304c\u76f8\u6b21\u3044\u3067\u6253\u3061\u51fa\u3057\u305f\u9001\u4fe1\u8005\u8981\u4ef6\u3067\u3059\u30021\u65e55,000\u901a\u4ee5\u4e0a\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\u3092\u9001\u308b\u4e8b\u696d\u8005\u306b\u3068\u3063\u3066\u3001List-Unsubscribe\u3078\u306e\u5bfe\u5fdc\u306f\u3082\u306f\u3084\u300c\u3084\u3063\u305f\u307b\u3046\u304c\u3044\u3044\u65bd\u7b56\u300d\u3067\u306f\u306a\u304f\u3001\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u308b\u305f\u3081\u306e\u524d\u63d0\u6761\u4ef6\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001List-Unsubscribe\u3068\u3044\u3046\u30d8\u30c3\u30c0\u305d\u306e\u3082\u306e\u306e\u4ed5\u69d8\u3092\u3001RFC 2369\u3068RFC 8058\u306e\u5b9a\u7fa9\u306b\u6cbf\u3063\u3066\u6574\u7406\u3057\u307e\u3059\u3002https\u3068mailto\u306e\u4f7f\u3044\u5206\u3051\u3001\u305d\u306e\u307e\u307e\u30b3\u30d4\u30fc\u3057\u3066\u4f7f\u3048\u308b\u8a18\u8ff0\u4f8b\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u304c\u6210\u7acb\u3059\u308b\u305f\u3081\u306b\u6e80\u305f\u3059\u3079\u304d\u6761\u4ef6\u3001\u5b9f\u88c5\u5f8c\u306e\u78ba\u8a8d\u624b\u9806\u3001\u305d\u3057\u3066\u5b9f\u52d9\u3067\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u843d\u3068\u3057\u7a74\u307e\u3067\u3002\u6280\u8853\u8981\u4ef6\u3092\u6b63\u78ba\u306b\u62bc\u3055\u3048\u305f\u3044\u62c5\u5f53\u8005\u5411\u3051\u306e\u5b9f\u88c5\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2025\/03\/26439_728_90.png\" alt=\"blastengine\u306e\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"728\" height=\"90\" class=\"alignnone size-full wp-image-18153\" \/><\/p>\n<h2>List-Unsubscribe\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u3067\u914d\u4fe1\u89e3\u9664\u306e\u5c0e\u7dda\u3092\u63d0\u4f9b\u3059\u308b\u4ed5\u7d44\u307f<\/h2>\n<p><strong>List-Unsubscribe\u3068\u306f\u3001\u30e1\u30fc\u30eb\u306e\u30d8\u30c3\u30c0\u9818\u57df\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001\u53d7\u4fe1\u8005\u304c\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306e\u753b\u9762\u4e0a\u304b\u3089\u76f4\u63a5\u914d\u4fe1\u89e3\u9664\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u30d8\u30c3\u30c0\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u3059\u3002<\/strong> \u65e5\u672c\u8a9e\u3067\u306f\u300c\u767b\u9332\u89e3\u9664\u300d\u3068\u8a33\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d8\u30c3\u30c0\u304c\u4ed8\u4e0e\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3092Gmail\u3067\u958b\u304f\u3068\u3001\u9001\u4fe1\u8005\u540d\u306e\u6a2a\u306b\u300c\u30e1\u30fc\u30ea\u30f3\u30b0\u30ea\u30b9\u30c8\u306e\u767b\u9332\u89e3\u9664\u300d\u3068\u3044\u3046\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u53d7\u4fe1\u8005\u306f\u3053\u308c\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u8cfc\u8aad\u3092\u505c\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u91cd\u8981\u306a\u306e\u306f\u3001<strong>List-Unsubscribe\u304c\u300c\u672c\u6587\u300d\u3067\u306f\u306a\u304f\u300c\u30d8\u30c3\u30c0\u300d\u306e\u8a71\u3067\u3042\u308b<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u30d8\u30c3\u30c0\u306f\u30e1\u30fc\u30eb\u672c\u6587\u306e\u4e0a\u90e8\u306b\u4ed8\u968f\u3059\u308b\u5236\u5fa1\u60c5\u5831\u306e\u96c6\u307e\u308a\u3067\u3001\u901a\u5e38\u306f\u53d7\u4fe1\u8005\u306e\u76ee\u306b\u89e6\u308c\u307e\u305b\u3093\u3002Subject\u3084From\u3001DKIM-Signature\u306a\u3069\u3068\u540c\u3058\u9818\u57df\u306b\u3001\u89e3\u9664\u7528\u306e\u60c5\u5831\u3092\u66f8\u304d\u8fbc\u3080\u3002\u3053\u308c\u304cList-Unsubscribe\u306e\u6b63\u4f53\u3067\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u672c\u6587\u306e\u300c\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u300d\u3068\u306e\u6c7a\u5b9a\u7684\u306a\u9055\u3044<\/h3>\n<p>\u591a\u304f\u306e\u30e1\u30eb\u30de\u30ac\u306b\u306f\u3001\u30d5\u30c3\u30bf\u30fc\u306b\u300c\u914d\u4fe1\u505c\u6b62\u306f\u3053\u3061\u3089\u300d\u3068\u3044\u3046\u30ea\u30f3\u30af\u304c\u8a2d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u5b9a\u96fb\u5b50\u30e1\u30fc\u30eb\u6cd5\u304c\u6c42\u3081\u308b\u53d7\u4fe1\u62d2\u5426\u306e\u610f\u601d\u8868\u793a\u5148\u306e\u8868\u793a\u306b\u3042\u305f\u308b\u3082\u306e\u3067\u3001\u6cd5\u5f8b\u4e0a\u5fc5\u8981\u306a\u63aa\u7f6e\u3067\u3059\u3002\u3057\u304b\u3057\u3001<strong>\u672c\u6587\u306e\u30ea\u30f3\u30af\u3092\u8a2d\u7f6e\u3057\u305f\u3060\u3051\u3067\u306f\u3001Gmail\u306a\u3069\u304c\u6c42\u3081\u308b\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u307e\u305b\u3093\u3002<\/strong> \u4e21\u8005\u306f\u5225\u7269\u3067\u3059\u3002<\/p>\n<div class=\"su-table su-table-alternate\">\n<table>\n<thead>\n<tr>\n<th>\u6bd4\u8f03\u9805\u76ee<\/th>\n<th>\u672c\u6587\u306e\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af<\/th>\n<th>List-Unsubscribe\u30d8\u30c3\u30c0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8a18\u8ff0\u5834\u6240<\/td>\n<td>\u30e1\u30fc\u30eb\u672c\u6587\uff08\u30d5\u30c3\u30bf\u30fc\u7b49\uff09<\/td>\n<td>\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0<\/td>\n<\/tr>\n<tr>\n<td>\u53d7\u4fe1\u8005\u306e\u8996\u8a8d\u6027<\/td>\n<td>\u672c\u6587\u3092\u6700\u5f8c\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/td>\n<td>\u9001\u4fe1\u8005\u540d\u306e\u6a2a\u306b\u5e38\u6642\u8868\u793a<\/td>\n<\/tr>\n<tr>\n<td>\u89e3\u9664\u307e\u3067\u306e\u64cd\u4f5c<\/td>\n<td>\u30da\u30fc\u30b8\u9077\u79fb\u30fb\u5165\u529b\u3092\u4f34\u3046\u3053\u3068\u304c\u591a\u3044<\/td>\n<td>\u30af\u30ea\u30c3\u30af1\u56de\u3067\u5b8c\u4e86\uff08RFC 8058\u6e96\u62e0\u6642\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u6cd5\u4ee4\u4e0a\u306e\u4f4d\u7f6e\u3065\u3051<\/td>\n<td>\u7279\u5b9a\u96fb\u5b50\u30e1\u30fc\u30eb\u6cd5\u306e\u30aa\u30d7\u30c8\u30a2\u30a6\u30c8\u5c0e\u7dda\u3068\u3057\u3066\u6a5f\u80fd<\/td>\n<td>\u6cd5\u4ee4\u4e0a\u306e\u5fc5\u9808\u8981\u4ef6\u3067\u306f\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u4e0a\u306e\u4f4d\u7f6e\u3065\u3051<\/td>\n<td>\u3053\u308c\u3060\u3051\u3067\u306f\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044<\/td>\n<td>1\u65e55,000\u901a\u4ee5\u4e0a\u306e\u9001\u4fe1\u8005\u306b\u306f\u5b9f\u8cea\u5fc5\u9808<\/td>\n<\/tr>\n<tr>\n<td>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u306e\u6291\u6b62\u52b9\u679c<\/td>\n<td>\u9650\u5b9a\u7684<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u6cd5\u5f8b\u3068\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u5225\u306e\u8ef8\u3067\u52d5\u3044\u3066\u3044\u307e\u3059\u3002Gmail\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u3066\u3082\u6cd5\u4ee4\u4e0a\u306e\u8868\u793a\u7fa9\u52d9\u306f\u514d\u9664\u3055\u308c\u305a\u3001\u6cd5\u4ee4\u3092\u5b88\u3063\u3066\u3044\u3066\u3082\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u672a\u5bfe\u5fdc\u306a\u3089\u30e1\u30fc\u30eb\u306f\u5c4a\u304d\u307e\u305b\u3093\u3002<strong>\u4e21\u65b9\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastmail.jp\/blog\/mail-delivery\/opt-out\" target=\"_blank\" rel=\"noopener\">\u30e1\u30eb\u30de\u30ac\u306e\u300c\u30aa\u30d7\u30c8\u30a2\u30a6\u30c8\u300d\u3068\u306f\uff1f\u7279\u5b9a\u96fb\u5b50\u30e1\u30fc\u30eb\u6cd5\u306b\u57fa\u3065\u304f\u66f8\u304d\u65b9\u3068\u89e3\u9664URL\u306e\u8a2d\u5b9a\u30ac\u30a4\u30c9<\/a><\/p>\n<h3>RFC 2369\u3068RFC 8058\u30022\u3064\u306e\u4ed5\u69d8\u306e\u95a2\u4fc2\u3092\u6574\u7406\u3059\u308b<\/h3>\n<p>List-Unsubscribe\u3092\u6b63\u3057\u304f\u7406\u89e3\u3059\u308b\u306b\u306f\u30012\u3064\u306eRFC\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u306e\u6a19\u6e96\u4ed5\u69d8\u66f8\uff09\u306e\u95a2\u4fc2\u3092\u62bc\u3055\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>RFC 2369<\/strong>\uff081998\u5e74\uff09\u306f\u3001List-Unsubscribe\u30d8\u30c3\u30c0\u305d\u306e\u3082\u306e\u3092\u5b9a\u7fa9\u3057\u305f\u4ed5\u69d8\u3067\u3059\u3002\u30e1\u30fc\u30ea\u30f3\u30b0\u30ea\u30b9\u30c8\u306e\u8cfc\u8aad\u89e3\u9664\u5148\u3068\u3057\u3066\u3001mailto\u5f62\u5f0f\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084URL\u3092\u6307\u5b9a\u3067\u304d\u308b\u3001\u3068\u3044\u3046\u67a0\u7d44\u307f\u3092\u5b9a\u3081\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3053\u306e\u6642\u70b9\u3067\u306f\u300c\u89e3\u9664\u30da\u30fc\u30b8\u3078\u6848\u5185\u3059\u308b\u300d\u7a0b\u5ea6\u306e\u4f4d\u7f6e\u3065\u3051\u3067\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u5b8c\u7d50\u3059\u308b\u4ed5\u7d44\u307f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p><strong>RFC 8058<\/strong>\uff082017\u5e74\uff09\u306f\u3001\u305d\u3053\u306b\u300c\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u300d\u306e\u6982\u5ff5\u3092\u8ffd\u52a0\u3057\u305f\u4ed5\u69d8\u3067\u3059\u3002\u6b63\u5f0f\u540d\u79f0\u306f\u300cSignaling One-Click Functionality for List Email Headers\u300d\u3002List-Unsubscribe-Post\u3068\u3044\u3046\u65b0\u3057\u3044\u30d8\u30c3\u30c0\u3092\u30bb\u30c3\u30c8\u3067\u9001\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u304cURL\u3078POST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308a\u3001\u305d\u306e\u5834\u3067\u89e3\u9664\u3092\u5b8c\u4e86\u3055\u305b\u308b\u52d5\u4f5c\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001<strong>List-Unsubscribe\u30d8\u30c3\u30c0\u3060\u3051\u3092\u66f8\u3044\u3066\u3082RFC 8058\u306e\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/strong> Gmail\u3084Outlook\u304c\u6c42\u3081\u3066\u3044\u308b\u306e\u306f\u5f8c\u8005\u3067\u3059\u3002\u3053\u306e\u533a\u5225\u304c\u3001\u5b9f\u88c5\u3067\u3064\u307e\u305a\u304f\u6700\u521d\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u9001\u4fe1\u8005\u5074\u306b\u3068\u3063\u3066\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u306e\u56de\u907f\u300d<\/h3>\n<p>List-Unsubscribe\u306f\u53d7\u4fe1\u8005\u306e\u305f\u3081\u306e\u6a5f\u80fd\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u6700\u3082\u6069\u6075\u3092\u53d7\u3051\u308b\u306e\u306f\u9001\u4fe1\u8005\u3067\u3059\u3002<\/p>\n<p>\u4e0d\u8981\u306a\u30e1\u30fc\u30eb\u3092\u6b62\u3081\u305f\u3044\u53d7\u4fe1\u8005\u304c\u53d6\u308c\u308b\u884c\u52d5\u306f2\u3064\u3042\u308a\u307e\u3059\u3002\u914d\u4fe1\u89e3\u9664\u3059\u308b\u304b\u3001\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u5831\u544a\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u304b\u3002<strong>\u89e3\u9664\u306e\u5c0e\u7dda\u304c\u898b\u3064\u3051\u306b\u304f\u3044\u307b\u3069\u3001\u30b9\u30d1\u30e0\u5831\u544a\u304c\u9078\u3070\u308c\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/strong><\/p>\n<p>\u30b9\u30d1\u30e0\u5831\u544a\u306f\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u9001\u4fe1\u8005\u8a55\u4fa1\uff09\u3092\u76f4\u63a5\u7684\u306b\u62bc\u3057\u4e0b\u3052\u307e\u3059\u3002Google\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u73870.3%\u672a\u6e80\u306e\u7dad\u6301\u3092\u6c42\u3081\u3066\u304a\u308a\u3001\u3053\u306e\u6c34\u6e96\u3092\u8d85\u3048\u308b\u3068\u3001\u89e3\u9664\u3057\u3066\u3044\u306a\u3044\u8aad\u8005\u306b\u5bfe\u3057\u3066\u3082\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u3078\u632f\u308a\u5206\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>100\u4eba\u306e\u4e0d\u6e80\u3092\u6301\u3064\u8aad\u8005\u304c\u3044\u305f\u3068\u3057\u3066\u3001\u5168\u54e1\u304c\u89e3\u9664\u30ea\u30f3\u30af\u3092\u62bc\u305b\u3070\u640d\u5931\u306f\u30ea\u30b9\u30c8100\u4ef6\u3002\u5168\u54e1\u304c\u30b9\u30d1\u30e0\u5831\u544a\u3092\u62bc\u305b\u3070\u3001\u30ea\u30b9\u30c8\u5168\u4f53\u306e\u5230\u9054\u7387\u304c\u640d\u306a\u308f\u308c\u307e\u3059\u3002<strong>\u76ee\u7acb\u3064\u5834\u6240\u306b\u89e3\u9664\u30dc\u30bf\u30f3\u3092\u7f6e\u304f\u3053\u3068\u306f\u3001\u30ea\u30b9\u30c8\u3092\u6e1b\u3089\u3059\u65bd\u7b56\u3067\u306f\u306a\u304f\u3001\u30ea\u30b9\u30c8\u5168\u4f53\u3092\u5b88\u308b\u65bd\u7b56<\/strong>\u3060\u3068\u6349\u3048\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n<h2>List-Unsubscribe\u304c\u5fc5\u9808\u5316\u3055\u308c\u305f\u80cc\u666f\u3068\u3001\u5404\u793e\u306e\u8981\u4ef6<\/h2>\n<p>\u5bfe\u5fdc\u3092\u6025\u3050\u3079\u304d\u7406\u7531\u306f\u3001\u4e3b\u8981\u306a\u53d7\u4fe1\u5074\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u8981\u4ef6\u3068\u3057\u3066\u660e\u6587\u5316\u3057\u305f\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u6642\u7cfb\u5217\u3067\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<h3>Gmail\u30fbYahoo!\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff082024\u5e742\u6708\u301c\uff09<\/h3>\n<p>Google\u3068Yahoo!\u306f2023\u5e7410\u6708\u306b\u65b0\u3057\u3044\u9001\u4fe1\u8005\u8981\u4ef6\u3092\u767a\u8868\u3057\u30012024\u5e742\u6708\u304b\u3089\u6bb5\u968e\u7684\u306b\u9069\u7528\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002<strong>\u500b\u4eba\u5411\u3051Gmail\u30a2\u30ab\u30a6\u30f3\u30c8\u5b9b\u306b1\u65e55,000\u901a\u4ee5\u4e0a\u3092\u9001\u308b\u9001\u4fe1\u8005<\/strong>\u306b\u5bfe\u3057\u3066\u3001\u4ee5\u4e0b\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>SPF\u30fbDKIM\u306e\u4e21\u65b9\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068<\/li>\n<li>DMARC\u3092\u8a2d\u5b9a\u3057\u3001DMARC\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306b\u5408\u683c\u3059\u308b\u3053\u3068<\/li>\n<li>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387\u30920.3%\u672a\u6e80\u306b\u7dad\u6301\u3059\u308b\u3053\u3068<\/li>\n<li>\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\u306b\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u767b\u9332\u89e3\u9664\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068<\/li>\n<li>\u89e3\u9664\u30ea\u30af\u30a8\u30b9\u30c8\u306f2\u65e5\u4ee5\u5185\u306b\u51e6\u7406\u3059\u308b\u3053\u3068<\/li>\n<\/ul>\n<\/div>\n<p>\u3053\u306e\u3046\u3061\u6700\u5f8c\u306e2\u9805\u76ee\u304cList-Unsubscribe\u306b\u95a2\u308f\u308b\u90e8\u5206\u3067\u3059\u3002\u306a\u304a\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u518d\u8a2d\u5b9a\u901a\u77e5\u3084\u8cfc\u5165\u78ba\u8a8d\u3068\u3044\u3063\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u306f\u3001\u3053\u306e\u8981\u4ef6\u306e\u5bfe\u8c61\u5916\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastmail.jp\/blog\/spam\/gmail-guideline-202402\" target=\"_blank\" rel=\"noopener\">\u30102026\u5e74\u7248\u3011Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5b8c\u5168\u30ac\u30a4\u30c9\uff5cSPF\u30fbDKIM\u30fbDMARC\u30685,000\u901a\u30eb\u30fc\u30eb\u3092\u89e3\u8aac<\/a><\/p>\n<h3>Microsoft Outlook\u306e\u9001\u4fe1\u8005\u8981\u4ef6\uff082025\u5e745\u67085\u65e5\u301c\uff09<\/h3>\n<p>Microsoft\u3082\u540c\u69d8\u306e\u8981\u4ef6\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002Outlook.com\u3001Hotmail.com\u3001Live.com\u306a\u3069\u306eMicrosoft\u7cfb\u30c9\u30e1\u30a4\u30f3\u5b9b\u306b<strong>1\u65e55,000\u901a\u4ee5\u4e0a\u3092\u9001\u308b\u9001\u4fe1\u8005<\/strong>\u304c\u5bfe\u8c61\u3067\u30012025\u5e745\u67085\u65e5\u304b\u3089\u9069\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5fc5\u9808\u8981\u4ef6\u306fSPF\u30fbDKIM\u30fbDMARC\u306e\u8a2d\u5b9a\u3067\u3001DMARC\u306f\u6700\u4f4e\u3067\u3082 <code>p=none<\/code> \u3092\u8a2d\u5b9a\u3057\u3001SPF\u307e\u305f\u306fDKIM\u3068\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u30e1\u30fc\u30eb\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u3078\u306e\u632f\u308a\u5206\u3051\u3084\u53d7\u4fe1\u62d2\u5426\u306e\u5bfe\u8c61\u3068\u306a\u308a\u3001\u904b\u7528\u306f\u6bb5\u968e\u7684\u306b\u5f37\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u3053\u3053\u3067\u6ce8\u610f\u3057\u305f\u3044\u306e\u306f\u3001Microsoft\u306fGoogle\u3084Yahoo!\u3068\u9055\u3044\u3001RFC 8058\u306e\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u307e\u3067\u306f\u7fa9\u52d9\u5316\u3057\u3066\u3044\u306a\u3044<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u914d\u4fe1\u505c\u6b62\u306b\u3064\u3044\u3066\u306f\u300c\u5206\u304b\u308a\u3084\u3059\u304f\u6a5f\u80fd\u3059\u308b\u914d\u4fe1\u505c\u6b62\u624b\u6bb5\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u300d\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u3057\u3066\u6319\u3052\u3089\u308c\u3066\u3044\u308b\u4f4d\u7f6e\u3065\u3051\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3068\u306f\u3044\u3048\u3001\u8a8d\u8a3c\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3051\u308c\u3070List-Unsubscribe\u4ee5\u524d\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304d\u307e\u305b\u3093\u3002\u81ea\u793e\u30ea\u30b9\u30c8\u306bMicrosoft\u7cfb\u30c9\u30e1\u30a4\u30f3\u304c\u3069\u308c\u3060\u3051\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3001\u4e00\u5ea6\u96c6\u8a08\u3057\u3066\u304a\u304f\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<h3>3\u793e\u306e\u8981\u4ef6\u3092\u300c\u5fc5\u9808\u300d\u3068\u300c\u63a8\u5968\u300d\u3067\u5207\u308a\u5206\u3051\u3066\u6574\u7406\u3059\u308b<\/h3>\n<p>\u540c\u3058\u300c1\u65e55,000\u901a\u4ee5\u4e0a\u300d\u3067\u3082\u3001\u6c42\u3081\u3089\u308c\u308b\u6c34\u6e96\u306f\u5404\u793e\u3067\u63c3\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u6a2a\u4e26\u3073\u3067\u7406\u89e3\u3059\u308b\u3068\u8aa4\u308a\u3084\u3059\u3044\u90e8\u5206\u306a\u306e\u3067\u3001\u914d\u4fe1\u505c\u6b62\u307e\u308f\u308a\u306b\u7d5e\u3063\u3066\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<div class=\"su-table su-table-alternate\">\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>Gmail\uff082024\u5e742\u6708\u301c\uff09<\/th>\n<th>Yahoo!\u30e1\u30fc\u30eb\uff08\u7c73\u56fd\u30fb2024\u5e742\u6708\u301c\uff09<\/th>\n<th>Microsoft Outlook\uff082025\u5e745\u6708\u301c\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SPF\u30fbDKIM<\/td>\n<td>\u5fc5\u9808<\/td>\n<td>\u5fc5\u9808<\/td>\n<td>\u5fc5\u9808<\/td>\n<\/tr>\n<tr>\n<td>DMARC<\/td>\n<td>\u5fc5\u9808\uff08p=none\u4ee5\u4e0a\uff09<\/td>\n<td>\u5fc5\u9808\uff08p=none\u4ee5\u4e0a\uff09<\/td>\n<td>\u5fc5\u9808\uff08p=none\u4ee5\u4e0a\uff09<\/td>\n<\/tr>\n<tr>\n<td>RFC 8058\u306e\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664<\/td>\n<td>\u5fc5\u9808\uff08\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\uff09<\/td>\n<td>\u5fc5\u9808\uff08\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30e1\u30fc\u30eb\uff09<\/td>\n<td>\u7fa9\u52d9\u5316\u3055\u308c\u3066\u3044\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u672c\u6587\u5185\u306e\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af<\/td>\n<td>\u5fc5\u9808<\/td>\n<td>\u5fc5\u9808<\/td>\n<td>\u63a8\u5968\uff08\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387<\/td>\n<td>0.3%\u672a\u6e80<\/td>\n<td>0.3%\u672a\u6e80<\/td>\n<td>\u6570\u5024\u57fa\u6e96\u306f\u660e\u793a\u3055\u308c\u3066\u3044\u306a\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>List-Unsubscribe\u306e\u5b9f\u88c5\u3092\u5fc5\u9808\u8981\u4ef6\u3068\u3057\u3066\u6c42\u3081\u3066\u3044\u308b\u306e\u306f\u3001Gmail\u3068Yahoo!\u30e1\u30fc\u30eb\u3067\u3059\u3002<\/strong> Microsoft\u306f\u8a8d\u8a3c\u8981\u4ef6\u3092\u53b3\u683c\u5316\u3059\u308b\u4e00\u65b9\u3001\u89e3\u9664\u624b\u6bb5\u306b\u3064\u3044\u3066\u306f\u63a8\u5968\u306b\u3068\u3069\u3081\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001Gmail\u3068Yahoo!\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308c\u3070Microsoft\u306e\u63a8\u5968\u4e8b\u9805\u3082\u81ea\u7136\u306b\u6e80\u305f\u305b\u308b\u305f\u3081\u3001\u5b9f\u52d9\u4e0a\u306f3\u793e\u307e\u3068\u3081\u3066\u5bfe\u5fdc\u3059\u308b\u306e\u304c\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n<h3>5,000\u901a\u672a\u6e80\u306a\u3089\u5bfe\u5fdc\u4e0d\u8981\u3001\u3068\u306f\u8a00\u3044\u5207\u308c\u306a\u3044<\/h3>\n<p>\u5404\u793e\u3068\u3082\u300c1\u65e55,000\u901a\u4ee5\u4e0a\u300d\u3068\u3044\u3046\u7dda\u5f15\u304d\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u3042\u304f\u307e\u3067<strong>\u5fc5\u9808\u8981\u4ef6\u304c\u9069\u7528\u3055\u308c\u308b\u95be\u5024<\/strong>\u3067\u3059\u3002<\/p>\n<p>Microsoft\u306f\u516c\u5f0fFAQ\u3067\u3001\u307e\u305a\u5927\u898f\u6a21\u9001\u4fe1\u8005\u3092\u5bfe\u8c61\u3068\u3059\u308b\u3082\u306e\u306e\u3001\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306f\u3059\u3079\u3066\u306e\u9001\u4fe1\u8005\u306b\u5229\u76ca\u304c\u3042\u308b\u3068\u306e\u898b\u89e3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u5c06\u6765\u7684\u306b\u95be\u5024\u304c\u5f15\u304d\u4e0b\u3052\u3089\u308c\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u30015,000\u901a\u3068\u3044\u3046\u57fa\u6e96\u306f\u300c1\u65e5\u3042\u305f\u308a\u300d\u3067\u3042\u308a\u3001\u65e5\u3005\u306e\u914d\u4fe1\u91cf\u304c\u5909\u52d5\u3059\u308b\u4e8b\u696d\u8005\u306b\u3068\u3063\u3066\u306f\u5883\u754c\u304c\u66d6\u6627\u3067\u3059\u3002<strong>\u95be\u5024\u306e\u5185\u5916\u3092\u6c17\u306b\u3059\u308b\u3088\u308a\u3001\u5bfe\u5fdc\u3057\u3066\u3057\u307e\u3063\u305f\u307b\u3046\u304c\u904b\u7528\u30b3\u30b9\u30c8\u306f\u4f4e\u3044<\/strong>\u3068\u3044\u3046\u306e\u304c\u5b9f\u52d9\u4e0a\u306e\u7d50\u8ad6\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>List-Unsubscribe\u30d8\u30c3\u30c0\u306e\u8a18\u8ff0\u4f8b\u3002https\u3068mailto\u306e\u4f7f\u3044\u5206\u3051<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u5177\u4f53\u7684\u306a\u8a18\u8ff0\u65b9\u6cd5\u3067\u3059\u3002List-Unsubscribe\u30d8\u30c3\u30c0\u306b\u306f\u3001\u89e3\u9664\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u53d7\u3051\u4ed8\u3051\u65b9\u6cd5\u3068\u3057\u3066\u300chttps\u300d\u3068\u300cmailto\u300d\u306e2\u7a2e\u985e\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>https\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\uff08RFC 8058\u306e\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\uff09<\/h3>\n<p>\u73fe\u5728\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3046\u3048\u3067\u5fc5\u9808\u3068\u306a\u308b\u306e\u304c\u3001https URI\u306e\u6307\u5b9a\u3067\u3059\u3002List-Unsubscribe-Post\u30d8\u30c3\u30c0\u3068\u30bb\u30c3\u30c8\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre>List-Unsubscribe: &lt;https:\/\/example.com\/unsubscribe?token=a1b2c3d4e5f6&gt;\r\nList-Unsubscribe-Post: List-Unsubscribe=One-Click<\/pre>\n<p>\u53d7\u4fe1\u8005\u304c\u89e3\u9664\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u304c\u6307\u5b9aURL\u306b\u5bfe\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306aPOST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<pre>POST \/unsubscribe?token=a1b2c3d4e5f6 HTTP\/1.1\r\nHost: example.com\r\nContent-Type: application\/x-www-form-urlencoded\r\nContent-Length: 26\r\n\r\nList-Unsubscribe=One-Click<\/pre>\n<p>\u3053\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u3063\u305f\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u3001token\u304b\u3089\u53d7\u4fe1\u8005\u3092\u7279\u5b9a\u3057\u3001\u914d\u4fe1\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\u3059\u308b\u3002\u3053\u3053\u307e\u3067\u304c\u9001\u4fe1\u8005\u5074\u306e\u5b9f\u88c5\u7bc4\u56f2\u3067\u3059\u3002<\/p>\n<h3>mailto\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408<\/h3>\n<p>mailto\u306f\u3001\u89e3\u9664\u4f9d\u983c\u3092\u30e1\u30fc\u30eb\u3067\u53d7\u3051\u4ed8\u3051\u308b\u65b9\u5f0f\u3067\u3059\u3002\u53d7\u4fe1\u8005\u304c\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u6307\u5b9a\u30a2\u30c9\u30ec\u30b9\u5b9b\u306b\u89e3\u9664\u4f9d\u983c\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre>List-Unsubscribe: &lt;mailto:unsubscribe@example.com?subject=unsubscribe&gt;<\/pre>\n<p>\u6b74\u53f2\u7684\u306b\u306f\u3053\u3061\u3089\u304c\u5148\u306b\u666e\u53ca\u3057\u305f\u65b9\u5f0f\u3067\u3059\u304c\u3001<strong>mailto\u306e\u307f\u306e\u6307\u5b9a\u3067\u306fRFC 8058\u306e\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u305b\u3093\u3002<\/strong> Gmail\u3084Outlook\u306e\u8981\u4ef6\u3082\u6e80\u305f\u305b\u306a\u3044\u305f\u3081\u3001\u3053\u308c\u5358\u72ec\u3067\u306e\u904b\u7528\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>https\u3068mailto\u3092\u4f75\u8a18\u3059\u308b\u5834\u5408<\/h3>\n<p>\u4e21\u65b9\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u4e26\u3079\u307e\u3059\u3002<\/p>\n<pre>List-Unsubscribe: &lt;mailto:unsubscribe@example.com?subject=unsubscribe&gt;, &lt;https:\/\/example.com\/unsubscribe?token=a1b2c3d4e5f6&gt;\r\nList-Unsubscribe-Post: List-Unsubscribe=One-Click<\/pre>\n<p>\u304b\u3064\u3066\u306f\u3001https URI\u3092\u89e3\u91c8\u305b\u305amailto\u3057\u304b\u6271\u308f\u306a\u3044\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3082\u5b58\u5728\u3057\u305f\u305f\u3081\u3001\u4f75\u8a18\u304c\u5b89\u5168\u7b56\u3068\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u73fe\u5728\u3082\u4e92\u63db\u6027\u3092\u91cd\u8996\u3059\u308b\u306a\u3089\u4f75\u8a18\u306f\u6709\u52b9\u3067\u3059\u304c\u3001<strong>mailto\u5b9b\u306b\u5c4a\u3044\u305f\u89e3\u9664\u4f9d\u983c\u3092\u4eba\u624b\u3067\u51e6\u7406\u3059\u308b\u904b\u7528\u304c\u6b8b\u308b\u70b9\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981<\/strong>\u3067\u3059\u3002\u51e6\u7406\u4f53\u5236\u304c\u306a\u3044\u306a\u3089\u3001https\u306e\u307f\u306b\u7d5e\u3063\u305f\u307b\u3046\u304c\u53d6\u308a\u3053\u307c\u3057\u306f\u8d77\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u306a\u304a\u3001RFC 8058\u306e\u4ed5\u69d8\u4e0a\u3001List-Unsubscribe-Post\u304c\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u3066\u3082https URI\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u3068\u3057\u3066\u306f\u52d5\u4f5c\u305b\u305a\u3001\u5f93\u6765\u306eRFC 2369\u306e\u6319\u52d5\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<div class=\"su-table su-table-alternate\">\n<table>\n<thead>\n<tr>\n<th>\u6307\u5b9a\u65b9\u5f0f<\/th>\n<th>\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306e\u6210\u7acb<\/th>\n<th>\u4e3b\u8981\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3078\u306e\u9069\u5408<\/th>\n<th>\u5411\u3044\u3066\u3044\u308b\u30b1\u30fc\u30b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>https\u306e\u307f<\/td>\n<td>\u6210\u7acb\u3059\u308b\uff08List-Unsubscribe-Post\u4f75\u7528\u6642\uff09<\/td>\n<td>\u9069\u5408<\/td>\n<td>\u65b0\u898f\u306b\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306e\u6a19\u6e96\u69cb\u6210<\/td>\n<\/tr>\n<tr>\n<td>mailto\u306e\u307f<\/td>\n<td>\u6210\u7acb\u3057\u306a\u3044<\/td>\n<td>\u4e0d\u9069\u5408<\/td>\n<td>\u975e\u63a8\u5968<\/td>\n<\/tr>\n<tr>\n<td>https\uff0bmailto\u4f75\u8a18<\/td>\n<td>\u6210\u7acb\u3059\u308b\uff08https\u304c\u4f7f\u308f\u308c\u308b\uff09<\/td>\n<td>\u9069\u5408<\/td>\n<td>\u65e7\u74b0\u5883\u306e\u53d7\u4fe1\u8005\u304c\u591a\u3044\u5834\u5408<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u304c\u6210\u7acb\u3059\u308b\u305f\u3081\u306e5\u3064\u306e\u6761\u4ef6<\/h2>\n<p>\u30d8\u30c3\u30c0\u30922\u884c\u8ffd\u52a0\u3059\u308c\u3070\u52d5\u304f\u3001\u3068\u3044\u3046\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002RFC 8058\u304c\u300cMUST\uff08\u5fc5\u9808\uff09\u300d\u300cSHOULD\uff08\u63a8\u5968\uff09\u300d\u3068\u3057\u3066\u5b9a\u3081\u3066\u3044\u308b\u6761\u4ef6\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<h3>List-Unsubscribe\u306bhttps URI\u30921\u3064\u542b\u3081\u308b<\/h3>\n<p>RFC 8058\u306f\u3001List-Unsubscribe\u30d8\u30c3\u30c0\u306b1\u3064\u306eHTTPS URI\u3092\u542b\u3081\u308b\u3053\u3068\u3092\u5fc5\u9808\u3068\u3057\u3066\u3044\u307e\u3059\u3002mailto\u306a\u3069\u4ed6\u306e\u30b9\u30ad\u30fc\u30e0\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306f\u4efb\u610f\u3067\u3059\u3002http\u3067\u306f\u306a\u304fhttps\u3067\u3042\u308b\u70b9\u306b\u3082\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>List-Unsubscribe-Post\u306e\u5024\u306f\u56fa\u5b9a\u6587\u5b57\u5217<\/h3>\n<p>List-Unsubscribe-Post\u30d8\u30c3\u30c0\u306b\u306f\u3001<code>List-Unsubscribe=One-Click<\/code> \u3068\u3044\u3046\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u30921\u3064\u3060\u3051\u8a18\u8ff0\u3057\u307e\u3059\u3002<strong>\u3053\u306e\u6587\u5b57\u5217\u306f\u5b8c\u5168\u306b\u56fa\u5b9a<\/strong>\u3067\u3001\u72ec\u81ea\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8ffd\u52a0\u3057\u305f\u308a\u8868\u8a18\u3092\u5909\u3048\u305f\u308a\u3059\u308b\u3068\u4ed5\u69d8\u9055\u53cd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u4e21\u30d8\u30c3\u30c0\u3092DKIM\u7f72\u540d\u306e\u5bfe\u8c61\u306b\u542b\u3081\u308b<\/h3>\n<p>\u898b\u843d\u3068\u3055\u308c\u3084\u3059\u3044\u306e\u304c\u3053\u306e\u6761\u4ef6\u3067\u3059\u3002RFC 8058\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6709\u52b9\u306aDKIM\u7f72\u540d\u3092\u6301\u3061\u3001\u305d\u306e\u7f72\u540d\u304c<strong>\u6700\u4f4e\u9650List-Unsubscribe\u30d8\u30c3\u30c0\u3068List-Unsubscribe-Post\u30d8\u30c3\u30c0\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u308b<\/strong>\u3053\u3068\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d8\u30c3\u30c0\u306f\u7d4c\u8def\u4e0a\u3067\u7b2c\u4e09\u8005\u304c\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u9818\u57df\u3067\u3059\u3002\u7f72\u540d\u306e\u5bfe\u8c61\u5916\u3060\u3068\u3001\u60aa\u610f\u3042\u308b\u7b2c\u4e09\u8005\u304c\u89e3\u9664URL\u3092\u3059\u308a\u66ff\u3048\u3089\u308c\u3066\u3057\u307e\u3046\u3002\u3060\u304b\u3089\u3053\u305d\u7f72\u540d\u3067\u30ab\u30d0\u30fc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3084\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u3067DKIM\u7f72\u540d\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u3001<strong>\u7f72\u540d\u5bfe\u8c61\u30d8\u30c3\u30c0\uff08h=\u30bf\u30b0\uff09\u306bList-Unsubscribe\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b<\/strong>\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d8\u30c3\u30c0\u3092\u8ffd\u52a0\u3057\u305f\u3060\u3051\u3067\u7f72\u540d\u8a2d\u5b9a\u3092\u898b\u76f4\u3057\u3066\u3044\u306a\u3044\u30b1\u30fc\u30b9\u306f\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>URI\u306b\u63a8\u6e2c\u56f0\u96e3\u306a\u8b58\u5225\u5b50\u3092\u542b\u3081\u308b<\/h3>\n<p>RFC 8058\u306f\u3001POST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u308b\u30b5\u30fc\u30d0\u30fc\u304c\u9001\u4fe1\u5143\u3092\u5224\u5225\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u524d\u63d0\u306b\u3001URI\u3078\u4e0d\u900f\u660e\u306a\u8b58\u5225\u5b50\u3084\u507d\u9020\u56f0\u96e3\u306a\u8981\u7d20\u3092\u542b\u3081\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><code>?email=user@example.com<\/code> \u306e\u3088\u3046\u306b\u89e3\u9664\u5bfe\u8c61\u3092\u305d\u306e\u307e\u307e\u57cb\u3081\u8fbc\u3080\u5b9f\u88c5\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u7b2c\u4e09\u8005\u304c\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5dee\u3057\u66ff\u3048\u308b\u3060\u3051\u3067\u3001\u4efb\u610f\u306e\u76f8\u624b\u3092\u52dd\u624b\u306b\u89e3\u9664\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u30cf\u30c3\u30b7\u30e5\u5024\u3084\u7f72\u540d\u4ed8\u304d\u30c8\u30fc\u30af\u30f3\u306a\u3069\u3001<strong>\u63a8\u6e2c\u30fb\u6539\u3056\u3093\u304c\u3067\u304d\u306a\u3044\u5024<\/strong>\u3092\u4f7f\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>POST\u3092\u53d7\u3051\u53d6\u308a\u89e3\u9664\u51e6\u7406\u3092\u884c\u3046\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u7528\u610f\u3059\u308b<\/h3>\n<p>\u30d8\u30c3\u30c0\u3092\u66f8\u3044\u3066\u3082\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u53d7\u3051\u76bf\u304c\u306a\u3051\u308c\u3070\u4f55\u3082\u8d77\u304d\u307e\u305b\u3093\u3002POST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u7406\u3057\u3001\u8b58\u5225\u5b50\u304b\u3089\u8cfc\u8aad\u8005\u3092\u7279\u5b9a\u3057\u3001\u914d\u4fe1\u5bfe\u8c61\u304b\u3089\u9664\u5916\u3059\u308b\u307e\u3067\u306e\u4e00\u9023\u306e\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Google\u306f\u89e3\u9664\u30ea\u30af\u30a8\u30b9\u30c8\u30922\u65e5\u4ee5\u5185\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002\u624b\u4f5c\u696d\u3067\u306e\u904b\u7528\u306f\u73fe\u5b9f\u7684\u3067\u306f\u306a\u304f\u3001<strong>\u81ea\u52d5\u3067\u9664\u5916\u307e\u3067\u5b8c\u7d50\u3059\u308b\u4ed5\u7d44\u307f<\/strong>\u304c\u524d\u63d0\u3067\u3059\u3002<\/p>\n<h2>\u4e3b\u8981\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3068\u3001\u53d7\u4fe1\u8005\u304b\u3089\u306e\u898b\u3048\u65b9<\/h2>\n<p>\u5b9f\u88c5\u304c\u6b63\u3057\u304f\u3066\u3082\u3001\u53d7\u4fe1\u8005\u304c\u4f7f\u3046\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306e\u6319\u52d5\u306b\u3088\u3063\u3066\u898b\u3048\u65b9\u306f\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p><strong>Gmail<\/strong> \u306f\u3001\u9001\u4fe1\u8005\u540d\u306e\u6a2a\u306b\u300c\u30e1\u30fc\u30ea\u30f3\u30b0\u30ea\u30b9\u30c8\u306e\u767b\u9332\u89e3\u9664\u300d\u30ea\u30f3\u30af\u3092\u8868\u793a\u3057\u307e\u3059\u3002\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u78ba\u8a8d\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u304c\u51fa\u3066\u3001\u627f\u8a8d\u3059\u308b\u3068\u89e3\u9664\u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001Google\u306f\u9001\u4fe1\u8005\u306e\u9069\u683c\u6027\u3092\u72ec\u81ea\u306b\u5be9\u67fb\u3057\u3066\u304a\u308a\u3001<strong>\u30d8\u30c3\u30c0\u304c\u6b63\u3057\u304f\u3066\u3082\u8868\u793a\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059<\/strong>\u3002\u9001\u4fe1\u91cf\u306e\u6025\u5897\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387\u306e\u9ad8\u3055\u306f\u3001\u8868\u793a\u53ef\u5426\u306e\u5224\u65ad\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>Yahoo!\u30e1\u30fc\u30eb<\/strong>\uff08\u7c73\u56fdYahoo!\uff09\u3082List-Unsubscribe\u30d8\u30c3\u30c0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002Google\u3068\u6b69\u8abf\u3092\u5408\u308f\u305b\u305f\u9001\u4fe1\u8005\u8981\u4ef6\u3092\u6253\u3061\u51fa\u3057\u3066\u304a\u308a\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u7387\u306e\u95be\u5024\u3082\u540c\u6c34\u6e96\u306e0.3%\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\u3001Yahoo! JAPAN\u306f\u72ec\u81ea\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u516c\u958b\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u56fd\u5185\u5411\u3051\u306e\u914d\u4fe1\u3067\u306f\u5225\u9014\u78ba\u8a8d\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p><strong>Microsoft Outlook<\/strong> \u3082\u89e3\u9664\u5c0e\u7dda\u306e\u8868\u793a\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u524d\u8ff0\u306e\u3068\u304a\u308aRFC 8058\u306e\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306f\u7fa9\u52d9\u5316\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001Web\u7248\u30fb\u30a2\u30d7\u30ea\u7248\u3044\u305a\u308c\u3082\u914d\u4fe1\u505c\u6b62\u306e\u5c0e\u7dda\u3092\u63d0\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><strong>Apple Mail\uff08iOS\/macOS\uff09<\/strong> \u3082\u89e3\u9664\u30ea\u30f3\u30af\u306e\u8868\u793a\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u30e1\u30fc\u30eb\u4e0a\u90e8\u306b\u914d\u4fe1\u505c\u6b62\u306e\u6848\u5185\u304c\u8868\u793a\u3055\u308c\u308b\u5f62\u5f0f\u3067\u3059\u3002<\/p>\n<p>\u3044\u305a\u308c\u306e\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3067\u3082\u5171\u901a\u3059\u308b\u306e\u306f\u3001<strong>\u8868\u793a\u4f4d\u7f6e\u3084\u6587\u8a00\u3092\u9001\u4fe1\u8005\u5074\u3067\u6307\u5b9a\u3067\u304d\u306a\u3044<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u300c\u767b\u9332\u89e3\u9664\u300d\u3068\u3044\u3046\u30ea\u30f3\u30af\u306e\u6587\u8a00\u3092\u5909\u3048\u305f\u3044\u3001\u3068\u3044\u3063\u305f\u8981\u671b\u306b\u306f\u5fdc\u3048\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n<h2>\u5b9f\u88c5\u5f8c\u306b\u5fc5\u305a\u884c\u3046\u78ba\u8a8d\u624b\u9806<\/h2>\n<p>\u8a2d\u5b9a\u3057\u305f\u3064\u3082\u308a\u3067\u52d5\u3044\u3066\u3044\u306a\u3044\u3001\u3068\u3044\u3046\u30b1\u30fc\u30b9\u304c\u6700\u3082\u5384\u4ecb\u3067\u3059\u3002\u5b9f\u969b\u306b\u914d\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u30bd\u30fc\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u306e\u304c\u78ba\u5b9f\u3067\u3059\u3002<\/p>\n<h3>Gmail\u306e\u300c\u539f\u6587\u3092\u8868\u793a\u300d\u3067\u30d8\u30c3\u30c0\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<div class=\"list04\">\n<ol>\n<li>\u30c6\u30b9\u30c8\u914d\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u3092Gmail\u3067\u958b\u304f<\/li>\n<li>\u53f3\u4e0a\u306e\u8fd4\u4fe1\u30dc\u30bf\u30f3\u6a2a\u306b\u3042\u308b\u4e09\u70b9\u30ea\u30fc\u30c0\u30fc\u3092\u30af\u30ea\u30c3\u30af<\/li>\n<li>\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30bd\u30fc\u30b9\u3092\u8868\u793a\u300d\u3092\u9078\u629e<\/li>\n<li>\u5225\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u751f\u306e\u30e1\u30fc\u30eb\u30c7\u30fc\u30bf\u304c\u8868\u793a\u3055\u308c\u308b<\/li>\n<\/ol>\n<\/div>\n<h3>\u30c1\u30a7\u30c3\u30af\u3059\u3079\u304d\u9805\u76ee<\/h3>\n<p>\u8868\u793a\u3055\u308c\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u3001\u691c\u7d22\u6a5f\u80fd\uff08Ctrl+F \/ Command+F\uff09\u3067\u4ee5\u4e0b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>List-Unsubscribe: \u304c\u5b58\u5728\u3057\u3001\u5024\u306b https:\/\/ \u304b\u3089\u59cb\u307e\u308bURI\u304c\u542b\u307e\u308c\u3066\u3044\u308b<\/li>\n<li>List-Unsubscribe-Post: List-Unsubscribe=One-Click \u304c\u5b58\u5728\u3059\u308b<\/li>\n<li>URI\u304c\u53d7\u4fe1\u8005\u3054\u3068\u306b\u7570\u306a\u308b\u5024\u306b\u306a\u3063\u3066\u3044\u308b\uff08\u8907\u6570\u5b9b\u5148\u3067\u30c6\u30b9\u30c8\u3057\u3066\u6bd4\u8f03\uff09<\/li>\n<li>DKIM-Signature \u306e h= \u30bf\u30b0\u306b list-unsubscribe \u304c\u542b\u307e\u308c\u3066\u3044\u308b<\/li>\n<li>dkim=pass spf=pass dmarc=pass \u304c\u8a8d\u8a3c\u7d50\u679c\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n<\/div>\n<p><strong>\u7279\u306b4\u756a\u76ee\u306eDKIM\u7f72\u540d\u5bfe\u8c61\u306e\u78ba\u8a8d\u306f\u5fd8\u308c\u3089\u308c\u304c\u3061\u3067\u3059\u3002<\/strong> 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8058\u304cPOST\u3092\u63a1\u7528\u3057\u305f\u306e\u306f\u3001\u307e\u3055\u306b\u3053\u306e\u8aa4\u52d5\u4f5c\u3092\u907f\u3051\u308b\u305f\u3081\u3067\u3059\u3002\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306fPOST\u306e\u307f\u3092\u53d7\u3051\u4ed8\u3051\u308b\u8a2d\u8a08\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>cc\/bcc\u3092\u542b\u3080\u914d\u4fe1\u3067\u4ed6\u4eba\u306e\u8cfc\u8aad\u304c\u89e3\u9664\u3055\u308c\u308b<\/h3>\n<p>1\u901a\u306e\u30e1\u30fc\u30eb\u3092\u8907\u6570\u306e\u5b9b\u5148\u306b\u9001\u308b\u914d\u4fe1\u3067\u3001List-Unsubscribe\u306b\u5358\u4e00\u306e\u8b58\u5225\u5b50\u3092\u57cb\u3081\u8fbc\u3080\u3068\u554f\u984c\u304c\u8d77\u304d\u307e\u3059\u3002cc\u3067\u53d7\u3051\u53d6\u3063\u305f\u4eba\u304c\u89e3\u9664\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001<strong>to\u5b9b\u306e\u5225\u4eba\u304c\u89e3\u9664\u3055\u308c\u308b<\/strong>\u3068\u3044\u3046\u4e8b\u6545\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<p>List-Unsubscribe\u306f1\u901a1\u5b9b\u5148\u306e\u914d\u4fe1\u3092\u524d\u63d0\u3068\u3057\u305f\u4ed5\u7d44\u307f\u3067\u3059\u3002cc\/bcc\u3092\u4f7f\u3046\u914d\u4fe1\u3067\u306f\u3001\u30d8\u30c3\u30c0\u3092\u4ed8\u4e0e\u3057\u306a\u3044\u5224\u65ad\u3082\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u3078\u306e\u4ed8\u4e0e\u3092\u4e00\u5f8b\u3067\u5224\u65ad\u3057\u306a\u3044<\/h3>\n<p>\u30d1\u30b9\u30ef\u30fc\u30c9\u518d\u8a2d\u5b9a\u901a\u77e5\u3084\u6ce8\u6587\u78ba\u8a8d\u30e1\u30fc\u30eb\u306f\u3001\u5404\u793e\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u4e0a\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306e\u5bfe\u8c61\u5916\u3067\u3059\u3002\u3080\u3057\u308d<strong>\u53d7\u4fe1\u8005\u304c\u8aa4\u3063\u3066\u89e3\u9664\u3059\u308b\u3068\u696d\u52d9\u4e0a\u91cd\u8981\u306a\u901a\u77e5\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b<\/strong>\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u3001\u540c\u3058\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u9001\u308b\u901a\u77e5\u30e1\u30fc\u30eb\u3067\u3082\u3001\u6027\u8cea\u4e0a\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u8981\u7d20\u3092\u542b\u3080\u3082\u306e\u306f\u5bfe\u8c61\u306b\u306a\u308a\u5f97\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u7a2e\u985e\u3054\u3068\u306b\u4ed8\u4e0e\u306e\u53ef\u5426\u3092\u8a2d\u8a08\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u89e3\u9664\u306e\u53cd\u6620\u304c\u9045\u308c\u3066\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u4e0b\u304c\u308b<\/h3>\n<p>\u89e3\u9664\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u4ed8\u3051\u3066\u3082\u3001\u5b9f\u969b\u306e\u914d\u4fe1\u9664\u5916\u304c\u6b21\u56de\u914d\u4fe1\u306b\u9593\u306b\u5408\u308f\u306a\u3051\u308c\u3070\u3001\u53d7\u4fe1\u8005\u306f\u300c\u89e3\u9664\u3057\u305f\u306e\u306b\u307e\u305f\u5c4a\u3044\u305f\u300d\u3068\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u3053\u306e\u72b6\u6cc1\u3067\u62bc\u3055\u308c\u308b\u306e\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u5831\u544a\u30dc\u30bf\u30f3\u3067\u3059\u3002<\/p>\n<p><strong>\u89e3\u9664\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u53d7\u4ed8\u304b\u3089\u914d\u4fe1\u30ea\u30b9\u30c8\u3078\u306e\u53cd\u6620\u307e\u3067\u3001\u81ea\u52d5\u3067\u5b8c\u7d50\u3057\u3066\u3044\u308b\u304b<\/strong>\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u8a2d\u8a08\u304c\u7518\u3044\u3068\u3001\u3053\u3053\u304c\u7a74\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u89e3\u9664\u30da\u30fc\u30b8\u306e\u300c\u5f15\u304d\u6b62\u3081\u300d\u304c\u9006\u52b9\u679c\u306b\u306a\u308b<\/h3>\n<p>\u89e3\u9664\u30da\u30fc\u30b8\u3067\u7406\u7531\u306e\u5165\u529b\u3092\u6c42\u3081\u305f\u308a\u3001\u5225\u306e\u30d7\u30e9\u30f3\u3092\u63d0\u6848\u3057\u305f\u308a\u3059\u308b\u8a2d\u8a08\u3092\u898b\u304b\u3051\u307e\u3059\u304c\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306e\u6587\u8108\u3067\u306f\u3053\u308c\u3089\u306f\u4e0d\u8981\u3067\u3059\u3002\u4ed5\u69d8\u4e0a\u3001POST\u3092\u53d7\u3051\u305f\u6642\u70b9\u3067\u89e3\u9664\u304c\u5b8c\u4e86\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5f15\u304d\u6b62\u3081\u305f\u3044\u6c17\u6301\u3061\u306f\u5206\u304b\u308a\u307e\u3059\u304c\u3001<strong>\u89e3\u9664\u307e\u3067\u306e\u624b\u9593\u304c\u5897\u3048\u308b\u307b\u3069\u3001\u30b9\u30d1\u30e0\u5831\u544a\u306b\u6d41\u308c\u308b\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/strong>\u914d\u4fe1\u983b\u5ea6\u306e\u5909\u66f4\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u793a\u3059\u308b\u306a\u3089\u3001\u89e3\u9664\u5b8c\u4e86\u5f8c\u306e\u753b\u9762\u3067\u884c\u3046\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n<h2>List-Unsubscribe\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f2\u901a\u308a<\/h2>\n<p>\u3053\u3053\u307e\u3067\u306e\u8981\u4ef6\u3092\u8e0f\u307e\u3048\u308b\u3068\u3001\u5b9f\u88c5\u306e\u30a2\u30d7\u30ed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class=\"su-table su-table-alternate\">\n<table>\n<thead>\n<tr>\n<th>\u6bd4\u8f03\u9805\u76ee<\/th>\n<th>\u81ea\u793e\u5b9f\u88c5<\/th>\n<th>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u5229\u7528<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30d8\u30c3\u30c0\u306e\u4ed8\u4e0e<\/td>\n<td>\u81ea\u793e\u3067\u5b9f\u88c5<\/td>\n<td>\u81ea\u52d5\u4ed8\u4e0e\uff08\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u308b\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u89e3\u9664\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8<\/td>\n<td>\u81ea\u793e\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u30fb\u904b\u7528<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u5074\u3067\u63d0\u4f9b<\/td>\n<\/tr>\n<tr>\n<td>DKIM\u7f72\u540d\u306e\u8a2d\u5b9a<\/td>\n<td>\u81ea\u793e\u3067\u7f72\u540d\u5bfe\u8c61\u30d8\u30c3\u30c0\u3092\u8a2d\u8a08<\/td>\n<td>\u6a19\u6e96\u5bfe\u5fdc<\/td>\n<\/tr>\n<tr>\n<td>\u89e3\u9664\u306e\u53cd\u6620<\/td>\n<td>\u81ea\u793e\u3067\u81ea\u52d5\u5316\u3092\u5b9f\u88c5<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u5074\u3067\u81ea\u52d5\u51e6\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u4ed5\u69d8\u5909\u66f4\u3078\u306e\u8ffd\u968f<\/td>\n<td>\u81ea\u793e\u3067\u8ffd\u968f<\/td>\n<td>\u63d0\u4f9b\u5143\u304c\u5bfe\u5fdc<\/td>\n<\/tr>\n<tr>\n<td>\u521d\u671f\u306e\u69cb\u7bc9\u5de5\u6570<\/td>\n<td>\u5927\u304d\u3044<\/td>\n<td>\u5c0f\u3055\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u89e3\u9664\u30d5\u30ed\u30fc\u306e\u81ea\u7531\u5ea6<\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u306e\u4ed5\u69d8\u306b\u4f9d\u5b58<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>\u5224\u65ad\u57fa\u6e96\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/strong> \u89e3\u9664\u30d5\u30ed\u30fc\u3092\u81ea\u793e\u306e\u4f1a\u54e1\u30b7\u30b9\u30c6\u30e0\u3068\u6df1\u304f\u9023\u643a\u3055\u305b\u308b\u5fc5\u7136\u6027\u304c\u3042\u308b\u306a\u3089\u81ea\u793e\u5b9f\u88c5\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306b\u4efb\u305b\u305f\u307b\u3046\u304c\u3001\u69cb\u7bc9\u5de5\u6570\u3082\u904b\u7528\u30ea\u30b9\u30af\u3082\u5c0f\u3055\u304f\u53ce\u307e\u308a\u307e\u3059\u3002<\/p>\n<h2>List-Unsubscribe\u306b\u78ba\u5b9f\u306b\u5bfe\u5fdc\u3059\u308b\u306a\u3089\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u6d3b\u7528\u3059\u308b<\/h2>\n<p>List-Unsubscribe\u306e\u5b9f\u88c5\u306b\u306f\u3001\u30d8\u30c3\u30c0\u306e\u8a18\u8ff0\u3060\u3051\u3067\u306a\u304f\u3001DKIM\u7f72\u540d\u306e\u8a2d\u8a08\u3001\u89e3\u9664\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u69cb\u7bc9\u30012\u65e5\u4ee5\u5185\u306e\u9664\u5916\u51e6\u7406\u3001\u305d\u3057\u3066\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u5168\u4f53\u306e\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406\u307e\u3067\u304c\u95a2\u308f\u308a\u307e\u3059\u3002\u6280\u8853\u8981\u4ef6\u30921\u3064\u3067\u3082\u53d6\u308a\u3053\u307c\u3059\u3068\u3001\u89e3\u9664\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3068\u3044\u3046\u7d50\u679c\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u3092\u307e\u3068\u3081\u3066\u89e3\u6c7a\u3059\u308b\u73fe\u5b9f\u7684\u306a\u9078\u629e\u80a2\u304c\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\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\u306f\u3001\u5404\u793e\u306e\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9001\u4fe1\u8005\u304c\u500b\u5225\u306b\u30d8\u30c3\u30c0\u3084\u30b5\u30fc\u30d0\u30fc\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\uff08SPF\/DKIM\/DMARC\uff09\u306b\u6a19\u6e96\u5bfe\u5fdc\u3057\u3001\u5230\u9054\u7387\u306e\u571f\u53f0\u3092\u78ba\u4fdd\u3067\u304d\u308b<\/li>\n<li>\u914d\u4fe1\u57fa\u76e4\u306e\u904b\u7528\u30fb\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u63d0\u4f9b\u5143\u304c\u62c5\u3046\u305f\u3081\u3001IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u9ad8\u3044\u6c34\u6e96\u3067\u7dad\u6301\u3067\u304d\u308b<\/li>\n<li>\u30d0\u30a6\u30f3\u30b9\u30e1\u30fc\u30eb\u306e\u51e6\u7406\u304c\u81ea\u52d5\u5316\u3055\u308c\u3001\u30ea\u30b9\u30c8\u306e\u54c1\u8cea\u3092\u4fdd\u3066\u308b<\/li>\n<li>\u914d\u4fe1\u30ed\u30b0\u304b\u3089\u3001\u5c4a\u3044\u305f\u30fb\u5c4a\u304b\u306a\u304b\u3063\u305f\u306e\u72b6\u6cc1\u3092\u8ffd\u8de1\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/div>\n<p>\u81ea\u793e\u3067\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u7dad\u6301\u3059\u308b\u30b3\u30b9\u30c8\u3068\u3001\u8981\u4ef6\u5909\u66f4\u306e\u305f\u3073\u306b\u767a\u751f\u3059\u308b\u6539\u4fee\u5de5\u6570\u3092\u8003\u3048\u308b\u3068\u3001<strong>\u914d\u4fe1\u57fa\u76e4\u306f\u5916\u90e8\u306b\u4efb\u305b\u3001\u81ea\u793e\u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u5c0e\u7dda\u306e\u8a2d\u8a08\u306b\u96c6\u4e2d\u3059\u308b<\/strong>\u5224\u65ad\u304c\u5408\u7406\u7684\u3067\u3059\u3002<\/p>\n<h3>\u304a\u3059\u3059\u3081\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300cblastengine\u300d<\/h3>\n<p><a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noopener\"><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 wp-image-19575 size-full\" \/><\/a><\/p>\n<p>blastengine\uff08\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\uff09\u306f\u3001\u81ea\u793e\u30b7\u30b9\u30c6\u30e0\u3068SMTP\u30ea\u30ec\u30fc\u307e\u305f\u306fAPI\u3067\u9023\u643a\u3059\u308b\u3053\u3068\u3067\u3001\u4e00\u6589\u914d\u4fe1\u304b\u3089\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u307e\u3067\u3092\u6271\u3048\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u69cb\u7bc9\u30fb\u904b\u7528\u304c\u4e0d\u8981\u306b\u306a\u308b\u305f\u3081\u3001\u89e3\u9664\u30d5\u30ed\u30fc\u306e\u8a2d\u8a08\u3068\u3044\u3063\u305f\u672c\u6765\u6ce8\u529b\u3059\u3079\u304d\u5b9f\u88c5\u306b\u30ea\u30bd\u30fc\u30b9\u3092\u632f\u308a\u5411\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>SPF\/DKIM\/DMARC\u5bfe\u5fdc<\/strong>\uff1a\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306b\u6a19\u6e96\u5bfe\u5fdc\u3057\u3001\u5404\u793e\u306e\u9001\u4fe1\u8005\u8981\u4ef6\u3092\u6e80\u305f\u3059\u571f\u53f0\u3092\u78ba\u4fdd<\/li>\n<li><strong>API\u9023\u643a\u30fbSMTP\u30ea\u30ec\u30fc<\/strong>\uff1a\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u7d44\u307f\u8fbc\u307f\u304c\u5bb9\u6613\u3067\u3001\u914d\u4fe1\u90e8\u5206\u3060\u3051\u3092\u5207\u308a\u51fa\u3057\u3066\u7f6e\u304d\u63db\u3048\u3089\u308c\u308b<\/li>\n<li><strong>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406<\/strong>\uff1a\u914d\u4fe1\u57fa\u76e4\u306e\u904b\u7528\u30fb\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092blastengine\u5074\u3067\u884c\u3044\u3001\u9ad8\u3044\u9001\u4fe1\u8005\u8a55\u4fa1\u3092\u7dad\u6301<\/li>\n<li><strong>\u30d0\u30a6\u30f3\u30b9\u30e1\u30fc\u30eb\u81ea\u52d5\u5bfe\u5fdc<\/strong>\uff1a\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306e\u51e6\u7406\u3092\u81ea\u52d5\u5316\u3057\u3001\u30ea\u30b9\u30c8\u54c1\u8cea\u306e\u52a3\u5316\u3092\u9632\u3050<\/li>\n<li><strong>\u914d\u4fe1\u30ed\u30b0\u7ba1\u7406<\/strong>\uff1a\u8a73\u7d30\u306a\u914d\u4fe1\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u3001\u5c4a\u304b\u306a\u304b\u3063\u305f\u539f\u56e0\u306e\u5207\u308a\u5206\u3051\u304c\u30b9\u30e0\u30fc\u30ba<\/li>\n<li><strong>\u30ad\u30e3\u30ea\u30a2\u30fbISP\u3078\u306e\u500b\u5225\u9001\u4fe1\u30ed\u30b8\u30c3\u30af<\/strong>\uff1a\u56fd\u5185\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u7279\u6027\u306b\u5408\u308f\u305b\u305f\u914d\u4fe1\u3067\u300199%\u4ee5\u4e0a\u306e\u5230\u9054\u7387\u3092\u5b9f\u73fe<\/li>\n<\/ul>\n<\/div>\n<p>\u89e3\u9664\u306e\u4ed5\u7d44\u307f\u3092\u81ea\u793e\u3067\u4f5c\u308a\u8fbc\u307f\u305f\u3044\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u3001\u571f\u53f0\u3068\u306a\u308b\u914d\u4fe1\u57fa\u76e4\u306e\u54c1\u8cea\u306f\u6210\u679c\u3092\u5de6\u53f3\u3057\u307e\u3059\u3002\u521d\u671f\u8cbb\u7528\u7121\u6599\u30fb\u6708\u984d3,000\u5186\u304b\u3089\u5229\u7528\u3067\u304d\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5165\u529b\u306e\u307f\u3067\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u304c\u53ef\u80fd\u3067\u3059\u3002\u65e5\u672c\u8a9e\u3067\u306e\u96fb\u8a71\u30fb\u30e1\u30fc\u30eb\u306b\u3088\u308b\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"su-button-center\"><a href=\"https:\/\/blastengine.jp\/\" class=\"su-button su-button-style-flat event_bnr\" style=\"color:#FFFFFF;background-color:#c12620;border-color:#9b1f1a;border-radius:5px\" target=\"_self\"><span style=\"color:#FFFFFF;padding:0px 34px;font-size:25px;line-height:50px;border-color:#d46863;border-radius:5px;text-shadow:none\"> blastengine\u3092\u7121\u6599\u3067\u8a66\u3059 &gt;<\/span><\/a><\/div>\n<p>\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blastengine.jp\/<\/a><\/p>\n<h3>\u304a\u3059\u3059\u3081\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u300d<\/h3>\n<p><a href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2024\/07\/blastmail-top.jpg\" alt=\"\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"1200\" height=\"630\" class=\"alignnone wp-image-15955 size-full\" \/><\/a><\/p>\n<p>\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306f\u300115\u5e74\u9023\u7d9a\u3067\u5c0e\u5165\u793e\u6570\u30b7\u30a7\u30a2No.1\u3092\u7372\u5f97\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u5c0e\u5165\u5b9f\u7e3e\u306f27,000\u793e\u4ee5\u4e0a\u3002\u5c02\u9580\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u76f4\u611f\u7684\u306b\u64cd\u4f5c\u3067\u304d\u308b\u7ba1\u7406\u753b\u9762\u304c\u652f\u6301\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u5bfe\u7b56\uff08SPF\/DKIM\uff09<\/strong>\uff1a\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306b\u5bfe\u5fdc\u3057\u3001\u5230\u9054\u7387\u3092\u9ad8\u304f\u7dad\u6301<\/li>\n<li><strong>Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc<\/strong>\uff1a\u5404\u793e\u306e\u9001\u4fe1\u8005\u8981\u4ef6\u3092\u8e0f\u307e\u3048\u305f\u914d\u4fe1\u57fa\u76e4<\/li>\n<li><strong>\u767b\u9332\u89e3\u9664\u30d5\u30a9\u30fc\u30e0\u4f5c\u6210<\/strong>\uff1a\u53d7\u4fe1\u8005\u5411\u3051\u306e\u89e3\u9664\u5c0e\u7dda\u3092\u30ce\u30fc\u30b3\u30fc\u30c9\u3067\u7528\u610f\u3067\u304d\u308b<\/li>\n<li><strong>\u52b9\u679c\u6e2c\u5b9a<\/strong>\uff1a\u958b\u5c01\u7387\u30fb\u30af\u30ea\u30c3\u30af\u7387\u30fb\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30c8\u3092\u78ba\u8a8d\u3057\u3001\u6b21\u306e\u65bd\u7b56\u306b\u53cd\u6620\u3067\u304d\u308b<\/li>\n<li><strong>API\u9023\u643a<\/strong>\uff1aMA\u30fbCRM\u306a\u3069\u4ed6\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u81ea\u52d5\u9023\u643a\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n<\/div>\n<p>\u81ea\u793e\u3067\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u958b\u767a\u305b\u305a\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u62c5\u5f53\u8005\u304c\u4e3b\u4f53\u3068\u306a\u3063\u3066\u30e1\u30eb\u30de\u30ac\u3092\u904b\u7528\u3059\u308b\u306a\u3089\u6709\u529b\u306a\u9078\u629e\u80a2\u3067\u3059\u3002\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3067\u64cd\u4f5c\u611f\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/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:5px\" target=\"_self\"><span style=\"color:#FFFFFF;padding:0px 34px;font-size:25px;line-height:50px;border-color:#d46863;border-radius:5px;text-shadow:none\"> \u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u3092\u7121\u6599\u3067\u8a66\u3059 &gt;<\/span><\/a><\/div>\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noopener\">\u30b7\u30a7\u30a21\u4f4d\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u300d<\/a><\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>List-Unsubscribe\u306f\u3001\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u306b\u89e3\u9664\u306e\u5c0e\u7dda\u3092\u6301\u305f\u305b\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002RFC 2369\u304c\u30d8\u30c3\u30c0\u81ea\u4f53\u3092\u5b9a\u7fa9\u3057\u3001RFC 8058\u304c\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u306e\u89e3\u9664\u5b8c\u4e86\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002Gmail\u3068Yahoo!\u30e1\u30fc\u30eb\u306f2024\u5e742\u6708\u304b\u3089\u30011\u65e55,000\u901a\u4ee5\u4e0a\u306e\u9001\u4fe1\u8005\u306b\u5bfe\u3057\u3066\u3053\u306e\u5b9f\u88c5\u3092\u5fc5\u9808\u8981\u4ef6\u3068\u3057\u3066\u3044\u307e\u3059\u3002Microsoft Outlook\u306f2025\u5e745\u6708\u304b\u3089\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u5fc5\u9808\u5316\u3057\u3066\u304a\u308a\u3001\u914d\u4fe1\u505c\u6b62\u624b\u6bb5\u306e\u63d0\u4f9b\u306f\u63a8\u5968\u4e8b\u9805\u306b\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u88c5\u3067\u62bc\u3055\u3048\u308b\u3079\u304d\u8981\u70b9\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>List-Unsubscribe\u306bhttps URI\u3092\u542b\u3081\u3001List-Unsubscribe-Post\u3092\u30bb\u30c3\u30c8\u3067\u4ed8\u4e0e\u3059\u308b<\/li>\n<li>\u4e21\u30d8\u30c3\u30c0\u3092DKIM\u7f72\u540d\u306e\u5bfe\u8c61\u306b\u542b\u3081\u308b<\/li>\n<li>URI\u306b\u306f\u63a8\u6e2c\u56f0\u96e3\u306a\u8b58\u5225\u5b50\u3092\u4f7f\u3044\u3001\u5b9b\u5148\u3054\u3068\u306b\u30e6\u30cb\u30fc\u30af\u306b\u3059\u308b<\/li>\n<li>POST\u306e\u307f\u3092\u53d7\u3051\u4ed8\u3051\u308b\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u7528\u610f\u3057\u30012\u65e5\u4ee5\u5185\u306b\u914d\u4fe1\u30ea\u30b9\u30c8\u304b\u3089\u9664\u5916\u3059\u308b<\/li>\n<li>\u5b9f\u88c5\u5f8c\u306fGmail\u306e\u300c\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30bd\u30fc\u30b9\u3092\u8868\u793a\u300d\u3067\u5fc5\u305a\u73fe\u7269\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ul>\n<\/div>\n<p>\u307e\u305a\u53d6\u308b\u3079\u304d\u30a2\u30af\u30b7\u30e7\u30f3\u306f\u3001<strong>\u81ea\u793e\u304c\u73fe\u5728\u914d\u4fe1\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u306e\u30bd\u30fc\u30b9\u30921\u901a\u78ba\u8a8d\u3059\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002List-Unsubscribe-Post\u30d8\u30c3\u30c0\u304c\u5b58\u5728\u3059\u308b\u304b\u3001DKIM\u7f72\u540d\u306e\u5bfe\u8c61\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3002\u3053\u3053\u3092\u78ba\u8a8d\u3059\u308c\u3070\u3001\u3044\u307e\u4f55\u304c\u8db3\u308a\u3066\u3044\u306a\u3044\u304b\u304c\u306f\u3063\u304d\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u81ea\u793e\u5b9f\u88c5\u306e\u30cf\u30fc\u30c9\u30eb\u304c\u9ad8\u3044\u3068\u5224\u65ad\u3057\u305f\u5834\u5408\u306f\u3001\u8981\u4ef6\u306b\u5bfe\u5fdc\u3057\u305f\u914d\u4fe1\u57fa\u76e4\u3078\u306e\u79fb\u884c\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\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\">List-Unsubscribe\u30d8\u30c3\u30c0\u3092\u8ffd\u52a0\u3059\u308c\u3070\u3001\u30e1\u30fc\u30eb\u672c\u6587\u306e\u914d\u4fe1\u505c\u6b62\u30ea\u30f3\u30af\u306f\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u3044\u3044\u3048\u3001\u4e21\u65b9\u5fc5\u8981\u3067\u3059\u3002\u7279\u5b9a\u96fb\u5b50\u30e1\u30fc\u30eb\u6cd5\u306f\u672c\u6587\u3067\u306e\u30aa\u30d7\u30c8\u30a2\u30a6\u30c8\u65b9\u6cd5\u306e\u660e\u793a\u3092\u6c42\u3081\u3066\u304a\u308a\u3001Gmail\u306a\u3069\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3082\u672c\u6587\u5185\u306b\u5206\u304b\u308a\u3084\u3059\u3044\u89e3\u9664\u30ea\u30f3\u30af\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002\u30d8\u30c3\u30c0\u306f\u3042\u304f\u307e\u3067\u8ffd\u52a0\u306e\u5c0e\u7dda\u3067\u3059\u3002<\/dd>\n<dt class=\"blog-faq__question\">List-Unsubscribe\u3068\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306f\u540c\u3058\u3082\u306e\u3067\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u53b3\u5bc6\u306b\u306f\u7570\u306a\u308a\u307e\u3059\u3002List-Unsubscribe\u306fRFC 2369\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30d8\u30c3\u30c0\u305d\u306e\u3082\u306e\u3092\u6307\u3057\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306fRFC 8058\u3067List-Unsubscribe-Post\u3092\u4f75\u7528\u3057\u305f\u3068\u304d\u306b\u6210\u7acb\u3059\u308b\u52d5\u4f5c\u3092\u6307\u3057\u307e\u3059\u3002List-Unsubscribe\u3060\u3051\u3067\u306f\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u89e3\u9664\u306b\u306a\u308a\u307e\u305b\u3093\u3002<\/dd>\n<dt class=\"blog-faq__question\">\u30d8\u30c3\u30c0\u3092\u8a2d\u5b9a\u3057\u305f\u306e\u306bGmail\u3067\u89e3\u9664\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u539f\u56e0\u306f\u4f55\u3067\u3059\u304b\uff1f<\/dt><dd 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class=\"blog-faq__answer\">A\uff1a\u30d1\u30b9\u30ef\u30fc\u30c9\u518d\u8a2d\u5b9a\u901a\u77e5\u3084\u6ce8\u6587\u78ba\u8a8d\u306a\u3069\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u306f\u3001\u5404\u793e\u306e\u8981\u4ef6\u306e\u5bfe\u8c61\u5916\u3067\u3059\u3002\u8aa4\u3063\u3066\u89e3\u9664\u3055\u308c\u308b\u3068\u91cd\u8981\u306a\u901a\u77e5\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u30e1\u30fc\u30eb\u306e\u7a2e\u985e\u3054\u3068\u306b\u4ed8\u4e0e\u306e\u53ef\u5426\u3092\u5224\u65ad\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/dd>\n<\/dl><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u300cList-Unsubscribe\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u8a00\u308f\u308c\u305f\u3082\u306e\u306e\u3001\u5177\u4f53\u7684\u306b\u4f55\u3092\u3069\u3053\u306b\u66f8\u3051\u3070\u3044\u3044&#8230;<\/p>\n","protected":false},"author":8,"featured_media":22685,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-22683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mail-delivery"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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