{"id":21445,"date":"2026-03-12T13:22:44","date_gmt":"2026-03-12T04:22:44","guid":{"rendered":"https:\/\/blastmail.jp\/blog\/?p=21445"},"modified":"2026-03-12T13:26:17","modified_gmt":"2026-03-12T04:26:17","slug":"spf-include","status":"publish","type":"post","link":"https:\/\/blastmail.jp\/blog\/spam\/spf-include","title":{"rendered":"SPF include\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u30fb\u6b63\u3057\u3044\u66f8\u304d\u65b9\u30fb10\u56de\u5236\u9650\u306e\u5bfe\u51e6\u6cd5\u307e\u3067\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2026\/03\/spf-include.jpg\" alt=\"SPF include\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u30fb\u6b63\u3057\u3044\u66f8\u304d\u65b9\u30fb10\u56de\u5236\u9650\u306e\u5bfe\u51e6\u6cd5\u307e\u3067\u5fb9\u5e95\u89e3\u8aac\" width=\"1376\" height=\"768\" class=\"alignnone size-full wp-image-21450\" \/><\/p>\n<p>\u300c\u5916\u90e8\u306e\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u5c0e\u5165\u3057\u305f\u3089\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306binclude\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3068\u8a00\u308f\u308c\u305f\u3051\u308c\u3069\u3001\u4f55\u3092\u3069\u3046\u66f8\u3051\u3070\u3044\u3044\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u300d\u300c\u3059\u3067\u306binclude\u304c\u8907\u6570\u3042\u3063\u3066\u3001\u3053\u308c\u4ee5\u4e0a\u8ffd\u52a0\u3057\u3066\u3082\u3044\u3044\u306e\u304b\u4e0d\u5b89\u300d\u305d\u3093\u306a\u60a9\u307f\u3092\u62b1\u3048\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u62c5\u5f53\u8005\u3084\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u306f\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u300cinclude\u300d\u306f\u3001\u5916\u90e8\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3084\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u969b\u306b\u6b20\u304b\u305b\u306a\u3044\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u6b63\u3057\u3044\u8a18\u8ff0\u65b9\u6cd5\u3092\u77e5\u3089\u305a\u306b\u8a2d\u5b9a\u3057\u3066\u3057\u307e\u3046\u3068\u3001<strong>\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u305f\u308a\u3001\u6700\u60aa\u306e\u5834\u5408\u306f\u53d7\u4fe1\u62d2\u5426\u3055\u308c\u305f\u308a\u3059\u308b\u539f\u56e0<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002\u7279\u306b2024\u5e742\u6708\u306eGmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u6539\u5b9a\u4ee5\u964d\u3001SPF\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30e1\u30fc\u30eb\u8a8d\u8a3c\u6280\u8853\u306e\u8a2d\u5b9a\u306f\u300c\u63a8\u5968\u300d\u3067\u306f\u306a\u304f\u300c\u5fc5\u9808\u300d\u306e\u6bb5\u968e\u306b\u5165\u308a\u307e\u3057\u305f\u3002include\u5468\u308a\u306e\u8a2d\u5b9a\u30df\u30b9\u304c\u3001\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u306e\u4e0d\u9054\u306b\u76f4\u7d50\u3059\u308b\u6642\u4ee3\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001SPF include\u306e\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f\u304b\u3089\u6b63\u3057\u3044\u8a18\u8ff0\u65b9\u6cd5\u3001DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d710\u56de\u5236\u9650\u3078\u306e\u5177\u4f53\u7684\u306a\u5bfe\u51e6\u6cd5\u3001\u3055\u3089\u306b\u3088\u304f\u3042\u308b\u8a2d\u5b9a\u30df\u30b9\u3068\u305d\u306e\u56de\u907f\u7b56\u307e\u3067\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u73fe\u5834\u3067\u5fc5\u8981\u306a\u77e5\u8b58\u3092\u7db2\u7f85\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/blastmail.jp\/blog\/download\/bimi-doc\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2024\/06\/unnamed-1.jpg\" alt=\"bimi\u5b8c\u5168\u30ac\u30a4\u30c9\" width=\"1024\" height=\"373\" class=\"alignnone wp-image-21292 size-full\" \/><\/a><\/p>\n<h2>SPF include\u3068\u306f\uff1f\u57fa\u672c\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<p>SPF\uff08Sender Policy Framework\uff09\u306f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u306e\u4e00\u3064\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306e\u6240\u6709\u8005\u304cDNS\u30b5\u30fc\u30d0\u30fc\u306bSPF\u30ec\u30b3\u30fc\u30c9\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u3067\u3001\u300c\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u3088\u3044\u30b5\u30fc\u30d0\u30fc\u306f\u3069\u308c\u304b\u300d\u3092\u5ba3\u8a00\u3057\u3001\u53d7\u4fe1\u5074\u304c\u305d\u306e\u6b63\u5f53\u6027\u3092\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u4e2d\u3067\u3082<strong>\u300cinclude\u300d\u306f\u6700\u3082\u5229\u7528\u983b\u5ea6\u304c\u9ad8\u3044\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u4e00\u3064<\/strong>\u3067\u3059\u3002include\u3092\u4f7f\u3046\u3068\u3001\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u516c\u958b\u3057\u3066\u3044\u308bSPF\u30ec\u30b3\u30fc\u30c9\u3092\u53c2\u7167\u3057\u3001\u305d\u306e\u4e2d\u306b\u8a18\u8f09\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u3084\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\u3092\u81ea\u793e\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306b\u53d6\u308a\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>include\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u9762<\/h3>\n<p>\u305f\u3068\u3048\u3070\u3001\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3060\u3051\u3067\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u76f4\u63a5\u6307\u5b9a\u3059\u308b\u300cip4\u300d\u30e1\u30ab\u30cb\u30ba\u30e0\u3060\u3051\u3067\u4e8b\u8db3\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001Google Workspace\u3001Microsoft 365\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3001CRM\u3001MA\u30c4\u30fc\u30eb\u306a\u3069<strong>\u5916\u90e8\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u7d4c\u7531\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u308b\u5834\u5408<\/strong>\u306b\u306f\u72b6\u6cc1\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u81ea\u793e\u304c\u7ba1\u7406\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3068\u306f\u7570\u306a\u308bIP\u304b\u3089\u9001\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u53d7\u4fe1\u5074\u304cSPF\u3092\u691c\u8a3c\u3057\u305f\u3068\u304d\u306b\u300c\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u306a\u3044\u300d\u3068\u5224\u5b9a\u3055\u308c\u3001\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067include\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u5074\u304c\u516c\u958b\u3057\u3066\u3044\u308bSPF\u30ec\u30b3\u30fc\u30c9\u306e\u30c9\u30e1\u30a4\u30f3\u3092include\u3067\u6307\u5b9a\u3059\u308c\u3070\u3001\u53d7\u4fe1\u5074\u306f\u53c2\u7167\u5148\u306eSPF\u30ec\u30b3\u30fc\u30c9\u307e\u3067\u78ba\u8a8d\u3057\u3001\u9001\u4fe1\u5143IP\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<h3>include\u306e\u8a8d\u8a3c\u30d5\u30ed\u30fc<\/h3>\n<p>include\u306b\u3088\u308bSPF\u8a8d\u8a3c\u306f\u3001\u4ee5\u4e0b\u306e\u6d41\u308c\u3067\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ol>\n<li>\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u304c\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306eDNS\u306bSPF\u30ec\u30b3\u30fc\u30c9\u3092\u554f\u3044\u5408\u308f\u305b\u308b<\/li>\n<li>SPF\u30ec\u30b3\u30fc\u30c9\u5185\u306binclude\u6307\u5b9a\u304c\u3042\u308b\u5834\u5408\u3001\u6307\u5b9a\u5148\u30c9\u30e1\u30a4\u30f3\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3082\u8ffd\u52a0\u3067\u53c2\u7167\u3059\u308b<\/li>\n<li>include\u5148\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306b\u8a18\u8f09\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u3068\u3001\u5b9f\u969b\u306e\u9001\u4fe1\u5143IP\u3092\u7167\u5408\u3059\u308b<\/li>\n<li>\u4e00\u81f4\u3059\u308c\u3070\u300cPass\u300d\u3001\u4e00\u81f4\u3057\u306a\u3051\u308c\u3070\u6b21\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3078\u8a55\u4fa1\u304c\u9032\u3080<\/li>\n<\/ol>\n<\/div>\n<p>\u305f\u3068\u3048\u3070 <code>v=spf1 include:_spf.google.com ~all<\/code> \u3068\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306f <code>_spf.google.com<\/code> \u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u53c2\u7167\u3057\u3001Google\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fcIP\u304c\u9001\u4fe1\u5143\u3068\u4e00\u81f4\u3059\u308c\u3070\u8a8d\u8a3c\u3092\u901a\u904e\u3055\u305b\u307e\u3059\u3002<\/p>\n<h2>SPF include\u306e\u6b63\u3057\u3044\u66f8\u304d\u65b9\u3068\u8a18\u8ff0\u4f8b<\/h2>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306f\u3001DNS\u306eTXT\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u30661\u3064\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u3064\u304d<strong>\u5fc5\u305a1\u884c\u3060\u3051<\/strong>\u767b\u9332\u3057\u307e\u3059\u3002\u3053\u308c\u306fRFC 7208\u3067\u5b9a\u3081\u3089\u308c\u305f\u4ed5\u69d8\u3067\u3042\u308a\u30012\u884c\u4ee5\u4e0a\u306eSPF\u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3059\u308b\u3068PermError\uff08\u6c38\u7d9a\u30a8\u30e9\u30fc\uff09\u3068\u3057\u3066\u8a8d\u8a3c\u81ea\u4f53\u304c\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u57fa\u672c\u69cb\u6587<\/h3>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u57fa\u672c\u69cb\u6587\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>v=spf1 [\u30e1\u30ab\u30cb\u30ba\u30e01] [\u30e1\u30ab\u30cb\u30ba\u30e02] ... [\u9650\u5b9a\u5b50]all<\/code><\/pre>\n<\/div>\n<p>\u5404\u8981\u7d20\u306e\u5f79\u5272\u3092\u307e\u3068\u3081\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"su-table su-table-alternate\">\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">\u8981\u7d20<\/th>\n<th style=\"text-align: left\">\u8aac\u660e<\/th>\n<th style=\"text-align: left\">\u8a18\u8ff0\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\">v=spf1<\/td>\n<td style=\"text-align: left\">SPF\u30ec\u30b3\u30fc\u30c9\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u5ba3\u8a00\uff08\u5fc5\u9808\u30fb\u5148\u982d\u56fa\u5b9a\uff09<\/td>\n<td style=\"text-align: left\">v=spf1<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">ip4<\/td>\n<td style=\"text-align: left\">\u7279\u5b9a\u306eIPv4\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u9001\u4fe1\u3092\u8a31\u53ef<\/td>\n<td style=\"text-align: left\">ip4:192.0.2.1<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">ip6<\/td>\n<td style=\"text-align: left\">\u7279\u5b9a\u306eIPv6\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u9001\u4fe1\u3092\u8a31\u53ef<\/td>\n<td style=\"text-align: left\">ip6:2001:db8::1<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">include<\/td>\n<td style=\"text-align: left\">\u6307\u5b9a\u30c9\u30e1\u30a4\u30f3\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u53c2\u7167<\/td>\n<td style=\"text-align: left\">include:_spf.google.com<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">a<\/td>\n<td style=\"text-align: left\">\u30c9\u30e1\u30a4\u30f3\u306eA\u30ec\u30b3\u30fc\u30c9\u306eIP\u3092\u8a31\u53ef<\/td>\n<td style=\"text-align: left\">a:mail.example.com<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">mx<\/td>\n<td style=\"text-align: left\">\u30c9\u30e1\u30a4\u30f3\u306eMX\u30ec\u30b3\u30fc\u30c9\u306eIP\u3092\u8a31\u53ef<\/td>\n<td style=\"text-align: left\">mx<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">~all<\/td>\n<td style=\"text-align: left\">\u4e0a\u8a18\u4ee5\u5916\u306fSoftFail\uff08\u7591\u308f\u3057\u3044\u304c\u53d7\u4fe1\uff09<\/td>\n<td style=\"text-align: left\">~all<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">-all<\/td>\n<td style=\"text-align: left\">\u4e0a\u8a18\u4ee5\u5916\u306fHardFail\uff08\u62d2\u5426\uff09<\/td>\n<td style=\"text-align: left\">-all<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u4e3b\u8981\u30b5\u30fc\u30d3\u30b9\u5225\u306einclude\u8a18\u8ff0\u4f8b<\/h3>\n<p>\u5b9f\u52d9\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b\u30b5\u30fc\u30d3\u30b9\u3054\u3068\u306einclude\u5024\u3092\u4ee5\u4e0b\u306b\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<h4><strong>Google Workspace\uff08Gmail\uff09\u306e\u307f\u3092\u5229\u7528\u3059\u308b\u5834\u5408<\/strong><\/h4>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>v=spf1 include:_spf.google.com ~all<\/code><\/pre>\n<\/div>\n<p><strong>Google Workspace\u3068\u81ea\u793e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u4f75\u7528\u3059\u308b\u5834\u5408<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>v=spf1 ip4:203.0.113.1 include:_spf.google.com ~all<\/code><\/pre>\n<\/div>\n<h4><strong>Google Workspace\u3068Microsoft 365\u3092\u4f75\u7528\u3059\u308b\u5834\u5408<\/strong><\/h4>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all<\/code><\/pre>\n<\/div>\n<h4><strong>\u3055\u3089\u306b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\uff08\u4f8b\uff1a\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\uff09\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408<\/strong><\/h4>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:spf.bmv.jp ~all<\/code><\/pre>\n<\/div>\n<h3>\u65e2\u5b58\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306binclude\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u3059\u3067\u306bSPF\u30ec\u30b3\u30fc\u30c9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u3067\u3001\u65b0\u305f\u306b\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u306einclude\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306f\u3001<strong>\u7d76\u5bfe\u306b2\u884c\u76ee\u3068\u3057\u3066\u8ffd\u52a0\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093<\/strong>\u3002\u65e2\u5b58\u306e\u30ec\u30b3\u30fc\u30c9\u306e <code>~all<\/code> \u307e\u305f\u306f <code>-all<\/code> \u306e\u624b\u524d\u306b\u30b9\u30da\u30fc\u30b9\u533a\u5207\u308a\u3067\u8ffd\u8a18\u3057\u30011\u884c\u306b\u7d71\u5408\u3057\u307e\u3059\u3002<\/p>\n<h4><strong>\u5909\u66f4\u524d\uff08Google Workspace\u306e\u307f\uff09<\/strong><\/h4>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>v=spf1 include:_spf.google.com ~all<\/code><\/pre>\n<\/div>\n<h4><strong>\u5909\u66f4\u5f8c\uff08\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u8ffd\u52a0\uff09<\/strong><\/h4>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>v=spf1 include:_spf.google.com include:spf.bmv.jp ~all\r\n<\/code><\/pre>\n<\/div>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001<strong>v=spf1 \u3068 ~all \u306e\u9593\u306binclude\u3092\u30b9\u30da\u30fc\u30b9\u533a\u5207\u308a\u3067\u4e26\u3079\u308b<\/strong>\u306e\u304c\u9244\u5247\u3067\u3059\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u203b\u3059\u3067\u306bSPF\u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u3001\u8ffd\u8a18\u304c\u5fc5\u8981\u3067\u3059\u3002\u5b89\u6613\u306a\u4e0a\u66f8\u304d\u306f\u65e2\u5b58\u30e1\u30fc\u30eb\u306e\u4e0d\u9054\u3092\u62db\u304d\u307e\u3059<\/strong><\/span><\/p>\n<h3>~all\u3068-all\u306e\u4f7f\u3044\u5206\u3051<\/h3>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u672b\u5c3e\u306e\u9650\u5b9a\u5b50\u306f\u3001\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u542b\u307e\u308c\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3092\u3069\u3046\u6271\u3046\u304b\u306e\u6307\u793a\u3067\u3059\u3002<\/p>\n<p><strong>~all\uff08SoftFail\uff09<\/strong> \u306f\u3001\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u306a\u3044IP\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3092\u300c\u7591\u308f\u3057\u3044\u304c\u4e00\u5fdc\u53d7\u4fe1\u3059\u308b\u300d\u3068\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002\u8a2d\u5b9a\u30df\u30b9\u306b\u3088\u308b\u30e1\u30fc\u30eb\u4e0d\u9054\u306e\u30ea\u30b9\u30af\u304c\u4f4e\u3044\u305f\u3081\u3001\u591a\u304f\u306e\u4f01\u696d\u3067\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5c0e\u5165\u521d\u671f\u3084\u30c6\u30b9\u30c8\u6bb5\u968e\u3067\u306f\u307e\u305a\u3053\u306e\u8a2d\u5b9a\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>-all\uff08HardFail\uff09<\/strong> \u306f\u3001\u8a31\u53ef\u30ea\u30b9\u30c8\u5916\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3092\u300c\u306a\u308a\u3059\u307e\u3057\u3068\u3057\u3066\u62d2\u5426\u3059\u308b\u300d\u53b3\u683c\u306a\u8a2d\u5b9a\u3067\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3067\u306f\u6700\u5f37\u3067\u3059\u304c\u3001include\u306e\u8a18\u8ff0\u6f0f\u308c\u304c\u3042\u308b\u3068\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u307e\u3067\u62d2\u5426\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u9001\u4fe1\u5143\u3092\u6b63\u78ba\u306b\u628a\u63e1\u3057\u305f\u6bb5\u968e\u3067\u5207\u308a\u66ff\u3048\u308b\u306e\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002<\/p>\n<h2>DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d710\u56de\u5236\u9650\u3068\u306f\uff1f\u8d85\u904e\u6642\u306e\u5f71\u97ff\u3068\u5bfe\u51e6\u6cd5<\/h2>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u904b\u7528\u3067<strong>\u6700\u3082\u898b\u843d\u3068\u3055\u308c\u3084\u3059\u304f\u3001\u304b\u3064\u6700\u3082\u6df1\u523b\u306a\u554f\u984c<\/strong>\u304cDNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u56de\u6570\u5236\u9650\u3067\u3059\u3002RFC 7208\u306b\u3088\u308a\u3001SPF\u306e\u8a8d\u8a3c\u51e6\u7406\u3067\u5b9f\u884c\u3067\u304d\u308bDNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306f<strong>\u6700\u592710\u56de<\/strong>\u307e\u3067\u3068\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u306e\u30ab\u30a6\u30f3\u30c8\u65b9\u6cd5<\/h3>\n<p>DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u767a\u751f\u3059\u308b\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u5fc5\u8981\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\uff1a<\/strong> include\u3001a\u3001mx\u3001ptr\u3001exists\u3001redirect<\/li>\n<li><strong>\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u4e0d\u8981\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\uff1a<\/strong> ip4\u3001ip6\u3001all<\/li>\n<\/ul>\n<\/div>\n<p>\u91cd\u8981\u306a\u306e\u306f\u3001<strong>include\u306f\u518d\u5e30\u7684\u306b\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u308b<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u305f\u3068\u3048\u3070 <code>include:_spf.google.com<\/code> \u30921\u3064\u8ffd\u52a0\u3057\u305f\u5834\u5408\u3001\u53c2\u7167\u5148\u306e <code>_spf.google.com<\/code> \u306e\u4e2d\u306b\u3055\u3089\u306b3\u3064\u306einclude\u304c\u542b\u307e\u308c\u3066\u3044\u308c\u3070\u3001\u5408\u8a084\u56de\u306e\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u6d88\u8cbb\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3042\u308b\u8abf\u67fb\u306b\u3088\u308b\u3068\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306e\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u304c10\u56de\u4ee5\u4e0a\u306b\u9054\u3057\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u304c\u7d0416%\u30019\u56de\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u7d049%\u3068\u3001<strong>\u5168\u4f53\u306e\u7d0425%\u304c\u5236\u9650\u8d85\u904e\u306e\u30ea\u30b9\u30af\u3092\u62b1\u3048\u3066\u3044\u308b<\/strong>\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u3092\u8907\u6570\u5229\u7528\u3059\u308b\u4f01\u696d\u307b\u3069\u3001\u3053\u306e\u5236\u9650\u306b\u62b5\u89e6\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>10\u56de\u3092\u8d85\u3048\u308b\u3068\u3069\u3046\u306a\u308b\u304b<\/h3>\n<p>\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u304c10\u56de\u3092\u8d85\u3048\u308b\u3068\u3001\u53d7\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f<strong>PermError\uff08\u6c38\u7d9a\u30a8\u30e9\u30fc\uff09<\/strong>\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u72b6\u614b\u3067\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u304c\u300c\u7121\u52b9\u300d\u3068\u5224\u65ad\u3055\u308c\u3001\u8a8d\u8a3c\u51e6\u7406\u81ea\u4f53\u304c\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002PermError\u306e\u5f71\u97ff\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u308b<\/li>\n<li>Gmail\u306a\u3069\u306e\u4e00\u90e8\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u300c\u306a\u308a\u3059\u307e\u3057\u306e\u53ef\u80fd\u6027\u3042\u308a\u300d\u3068\u3044\u3046\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b<\/li>\n<li>DMARC\u30dd\u30ea\u30b7\u30fc\u3068\u7d44\u307f\u5408\u308f\u3055\u3063\u305f\u5834\u5408\u3001\u30e1\u30fc\u30eb\u304c\u5b8c\u5168\u306b\u62d2\u5426\u3055\u308c\u308b\u6050\u308c\u304c\u3042\u308b<\/li>\n<\/ul>\n<\/div>\n<p>\u7279\u306b\u5384\u4ecb\u306a\u306e\u306f\u3001\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u3092\u8d85\u904e\u3057\u3066\u3044\u3066\u3082<strong>\u9001\u4fe1\u8005\u5074\u3067\u306f\u6c17\u3065\u304d\u306b\u304f\u3044<\/strong>\u70b9\u3067\u3059\u3002DNS\u306e\u8a2d\u5b9a\u81ea\u4f53\u306f\u30a8\u30e9\u30fc\u306a\u304f\u4fdd\u5b58\u3067\u304d\u3001\u4e00\u90e8\u306e\u53d7\u4fe1\u5148\u3067\u306f\u554f\u984c\u306a\u304f\u5c4a\u304f\u30b1\u30fc\u30b9\u3082\u3042\u308b\u305f\u3081\u3001\u554f\u984c\u304c\u8868\u9762\u5316\u3057\u306b\u304f\u3044\u306e\u3067\u3059\u3002<\/p>\n<h3>\u5bfe\u51e6\u6cd5\u2460\uff1a\u4e0d\u8981\u306ainclude\u306e\u6574\u7406<\/h3>\n<p>\u307e\u305a\u7740\u624b\u3059\u3079\u304d\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u4e0d\u8981\u306ainclude\u306e\u524a\u9664\u3067\u3059\u3002\u4ee5\u524d\u5229\u7528\u3057\u3066\u3044\u305f\u304c\u73fe\u5728\u306f\u4f7f\u3063\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d3\u30b9\u306einclude\u304c\u6b8b\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u306f\u975e\u5e38\u306b\u591a\u304f\u898b\u3089\u308c\u307e\u3059\u3002\u5b9a\u671f\u7684\u306bSPF\u30ec\u30b3\u30fc\u30c9\u3092\u898b\u76f4\u3057\u3001\u73fe\u5728\u4f7f\u7528\u3057\u3066\u3044\u308b\u9001\u4fe1\u5143\u3060\u3051\u306b\u7d5e\u308a\u8fbc\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u5bfe\u51e6\u6cd5\u2461\uff1ainclude\u306e\u91cd\u8907\u6392\u9664<\/h3>\n<p>include\u5148\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u305f\u3069\u3063\u3066\u3044\u304f\u3068\u3001\u7570\u306a\u308binclude\u304c\u5185\u90e8\u3067\u540c\u3058IP\u30a2\u30c9\u30ec\u30b9\u3084\u30c9\u30e1\u30a4\u30f3\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30b5\u30fc\u30d3\u30b9A\u306einclude\u5185\u306bSendGrid\u306eIP\u304c\u542b\u307e\u308c\u3066\u3044\u3066\u3001\u5225\u9014SendGrid\u306einclude\u3082\u8ffd\u52a0\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u7247\u65b9\u3092\u524a\u9664\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u5bfe\u51e6\u6cd5\u2462\uff1a\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306e\u6d3b\u7528<\/h3>\n<p>\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u7528\u306e\u9001\u4fe1\u5143\u3092\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306b\u5206\u3051\u308b\u65b9\u6cd5\u3082\u6709\u52b9\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u901a\u5e38\u696d\u52d9\u306e\u30e1\u30fc\u30eb\u306f <code>example.com<\/code> \u3067\u9001\u4fe1\u3057\u3001\u30e1\u30eb\u30de\u30ac\u306f <code>mag.example.com<\/code> \u304b\u3089\u9001\u4fe1\u3059\u308b\u3088\u3046\u306b\u3059\u308c\u3070\u3001\u305d\u308c\u305e\u308c\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u5225\u3005\u306b\u7ba1\u7406\u3067\u304d\u3001\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u3092\u5206\u6563\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u5bfe\u51e6\u6cd5\u2463\uff1aSPF\u30d5\u30e9\u30c3\u30c8\u5316<\/h3>\n<p>SPF\u30d5\u30e9\u30c3\u30c8\u5316\uff08Flattening\uff09\u3068\u306f\u3001include\u5148\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u5c55\u958b\u3057\u3001\u6700\u7d42\u7684\u306aIP\u30a2\u30c9\u30ec\u30b9\u3060\u3051\u3092\u76f4\u63a5\u8a18\u8ff0\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002include\u3092\u4f7f\u308f\u305a\u306bip4\/ip6\u3067\u5217\u8a18\u3059\u308b\u3053\u3068\u3067\u3001\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001<strong>\u53c2\u7167\u5148\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/strong>\u305f\u3081\u3001\u624b\u52d5\u3067\u7ba1\u7406\u3059\u308b\u3068\u9673\u8150\u5316\u306e\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u81ea\u52d5\u30d5\u30e9\u30c3\u30c8\u5316\u30c4\u30fc\u30eb\u3084\u30b5\u30fc\u30d3\u30b9\u3092\u6d3b\u7528\u3057\u3001\u5b9a\u671f\u7684\u306bIP\u30ea\u30b9\u30c8\u3092\u66f4\u65b0\u3059\u308b\u904b\u7528\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p><strong>\u203b\u30d5\u30e9\u30c3\u30c8\u5316\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3059\u308b\u969b\u306f\u3001\u53c2\u7167\u5148\u306eIP\u5909\u66f4\u304c\u5373\u6642\u53cd\u6620\u3055\u308c\u308b\u4ed5\u7d44\u307f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046<\/strong><\/p>\n<h3>\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u306e\u78ba\u8a8d\u65b9\u6cd5<\/h3>\n<p>\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u306eSPF\u30ec\u30b3\u30fc\u30c9\u304c\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u5236\u9650\u306b\u62b5\u89e6\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u306eSPF\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u304c\u4fbf\u5229\u3067\u3059\u3002DMARCly\uff08dmarcly.com\uff09\u306eSPF Record Checker\u3084\u3001Dmarcian\u306e\u300cSPF Surveyor\u300d\u306b\u30c9\u30e1\u30a4\u30f3\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u304c\u53ef\u8996\u5316\u3055\u308c\u307e\u3059\u3002Google Admin Toolbox\u306eCheck MX\u3067\u3082\u78ba\u8a8d\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u3092\u5c0e\u5165\u3059\u308b\u969b\u3084\u3001SPF\u30ec\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3057\u305f\u969b\u306b\u306f\u3001\u5fc5\u305a\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u3067\u78ba\u8a8d\u3059\u308b\u7fd2\u6163\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>SPF include\u3067\u3088\u304f\u3042\u308b5\u3064\u306e\u8a2d\u5b9a\u30df\u30b9\u3068\u56de\u907f\u7b56<\/h2>\n<p>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u306f\u4e00\u898b\u30b7\u30f3\u30d7\u30eb\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u8a18\u8ff0\u30df\u30b9\u304c\u591a\u767a\u3057\u3066\u3044\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5354\u4f1a\u306e\u8a18\u4e8b\u306b\u3088\u308b\u3068\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u6570\u30d9\u30fc\u30b9\u3067\u7d0410%\u306e\u30e1\u30fc\u30eb\u304c\u6587\u6cd5\u7684\u306b\u4e0d\u6b63\u306aSPF\u30ec\u30b3\u30fc\u30c9\u306b\u3088\u308a\u8a8d\u8a3c\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u306a\u304b\u3063\u305f\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u7279\u306binclude\u5468\u308a\u3067\u983b\u767a\u3059\u308b\u8a2d\u5b9a\u30df\u30b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u51fa\u5178: <a href=\"https:\/\/salt.iajapan.org\/wpmu\/anti_spam\/admin\/operation\/information\/spf_i01\/\" target=\"_blank\" rel=\"noopener\">https:\/\/salt.iajapan.org\/wpmu\/anti_spam\/admin\/operation\/information\/spf_i01\/<\/a><\/p>\n<h3>SPF\u30ec\u30b3\u30fc\u30c9\u30922\u884c\u306b\u5206\u3051\u3066\u3057\u307e\u3046<\/h3>\n<p>\u6700\u3082\u591a\u3044\u5931\u6557\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u5c0e\u5165\u6642\u306b\u300cinclude\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u6848\u5185\u3055\u308c\u305f\u3068\u304d\u3001\u65e2\u5b58\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3068\u306f\u5225\u306b\u65b0\u3057\u3044\u884c\u3068\u3057\u3066\u8ffd\u52a0\u3057\u3066\u3057\u307e\u3046\u30b1\u30fc\u30b9\u304c\u5f8c\u3092\u7d76\u3061\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u3010\u8aa4\u3011<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>example.com. IN TXT \"v=spf1 include:_spf.google.com ~all\"\r\nexample.com. IN TXT \"v=spf1 include:spf.example.net ~all\"<span style=\"font-family: Consolas, Monaco, monospace; background-color: #ffffff; color: #333333; font-size: 16px;\"><\/span><\/code><\/pre>\n<\/div>\n<p><strong>\u3010\u6b63\u3011<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>example.com. IN TXT \"v=spf1 include:_spf.google.com include:spf.example.net ~all\"<span style=\"font-family: Consolas, Monaco, monospace; background-color: #ffffff; color: #333333; font-size: 16px;\"><\/span><\/code><\/pre>\n<\/div>\n<p><span style=\"color: #ff0000;\"><strong>1\u30c9\u30e1\u30a4\u30f3\u306b\u3064\u304dSPF\u30ec\u30b3\u30fc\u30c9\u306f1\u884c\u306e\u307f<\/strong><\/span>\u3002\u3053\u308c\u306f\u7d76\u5bfe\u306b\u5b88\u308b\u3079\u304d\u30eb\u30fc\u30eb\u3067\u3059\u3002<\/p>\n<h3>include\u306e\u53c2\u7167\u5148\u304c\u5b58\u5728\u3057\u306a\u3044<\/h3>\n<p>include\u5148\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u5b58\u5728\u3057\u306a\u3044\u3001\u3042\u308b\u3044\u306f\u53c2\u7167\u5148\u306eSPF\u30ec\u30b3\u30fc\u30c9\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001PermError\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u5c0e\u5165\u5f53\u521d\u306f\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u3066\u3082\u3001<strong>\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u306e\u4ed5\u69d8\u5909\u66f4\u3084DNS\u30ec\u30b3\u30fc\u30c9\u306e\u6574\u7406<\/strong>\u3067\u53c2\u7167\u5148\u304c\u6d88\u5931\u3059\u308b\u30b1\u30fc\u30b9\u306f\u5b9f\u969b\u306b\u8d77\u3053\u308a\u5f97\u307e\u3059\u3002\u5b9a\u671f\u7684\u306binclude\u5148\u306e\u6709\u52b9\u6027\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u76f8\u4e92\u53c2\u7167\u306b\u3088\u308b\u30eb\u30fc\u30d7<\/h3>\n<p>A\u30c9\u30e1\u30a4\u30f3\u306eSPF\u30ec\u30b3\u30fc\u30c9\u304cB\u30c9\u30e1\u30a4\u30f3\u3092include\u3057\u3001B\u30c9\u30e1\u30a4\u30f3\u306eSPF\u30ec\u30b3\u30fc\u30c9\u304cA\u30c9\u30e1\u30a4\u30f3\u3092include\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u8a8d\u8a3c\u51e6\u7406\u304c\u7121\u9650\u30eb\u30fc\u30d7\u306b\u9665\u308a\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\u3002include\u5148\u3067\u306f\u3055\u3089\u306binclude\u3084redirect\u3092\u4f7f\u308f\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n<h3>\u30d0\u30fc\u30b8\u30e7\u30f3\u5ba3\u8a00\u306e\u8aa4\u8a18<\/h3>\n<p><code>v=spf1.0<\/code> \u3084 <code>v=spf2<\/code> \u306a\u3069\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u5ba3\u8a00\u3092\u8aa4\u3063\u3066\u8a18\u8ff0\u3059\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u6b63\u3057\u304f\u306f <code>v=spf1<\/code> \u306e\u307f\u3067\u3059\u3002\u4e9b\u7d30\u306a\u30bf\u30a4\u30d7\u30df\u30b9\u3067\u3059\u304c\u3001SPF\u30ec\u30b3\u30fc\u30c9\u5168\u4f53\u304c\u7121\u52b9\u306b\u306a\u308b\u81f4\u547d\u7684\u306a\u30a8\u30e9\u30fc\u3067\u3059\u3002<\/p>\n<h3>\u533a\u5207\u308a\u6587\u5b57\u306e\u8aa4\u308a<\/h3>\n<p>\u5404\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u533a\u5207\u308a\u306f<span style=\"color: #ff0000;\"><strong>\u534a\u89d2\u30b9\u30da\u30fc\u30b91\u3064<\/strong><\/span>\u3067\u3059\u3002\u8907\u6570\u306e\u7a7a\u767d\u3092\u5165\u308c\u305f\u308a\u3001\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u305f\u308a\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u6587\u5b57\u5217\u306e\u9023\u7d50\u6642\u306b\u7a7a\u767d\u6587\u5b57\u3092\u5165\u308c\u5fd8\u308c\u308b\u30df\u30b9\u3082\u983b\u767a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>SPF\u3068DKIM\u30fbDMARC\u306e\u95a2\u4fc2\uff5cinclude\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u306a\u7406\u7531<\/h2>\n<p>SPF\u306einclude\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u30e1\u30fc\u30eb\u5230\u9054\u7387\u306e\u6539\u5584\u306b\u5927\u304d\u304f\u8ca2\u732e\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001SPF\u5358\u4f53\u3067\u306f\u4e07\u5168\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>SPF\u304c\u691c\u8a3c\u3059\u308b\u306e\u306f\u300c\u9001\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u300d\u3067\u3059\u3002\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u9014\u4e2d\u3067\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3001\u307e\u305f\u3001\u30e1\u30fc\u30eb\u304c\u8ee2\u9001\u3055\u308c\u305f\u5834\u5408\u306bIP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3044\u8a8d\u8a3c\u306b\u5931\u6557\u3059\u308b\u30b1\u30fc\u30b9\u306b\u306fSPF\u3060\u3051\u3067\u306f\u5bfe\u5fdc\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u3053\u3067\u91cd\u8981\u306b\u306a\u308b\u306e\u304c\u3001<strong>DKIM\uff08\u96fb\u5b50\u7f72\u540d\u306b\u3088\u308b\u30e1\u30fc\u30eb\u672c\u6587\u306e\u6539\u3056\u3093\u691c\u77e5\uff09<\/strong>\u3068<strong>DMARC\uff08SPF\u3068DKIM\u306e\u8a8d\u8a3c\u7d50\u679c\u306b\u57fa\u3065\u304f\u30dd\u30ea\u30b7\u30fc\u5b9a\u7fa9\uff09<\/strong>\u3067\u3059\u3002<\/p>\n<p>2024\u5e742\u6708\u306eGmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u6539\u5b9a\u3067\u306f\u30011\u65e55,000\u4ef6\u4ee5\u4e0a\u306e\u5927\u91cf\u9001\u4fe1\u8005\u306b\u5bfe\u3057\u3066SPF\u30fbDKIM\u30fbDMARC\u306e<strong>3\u3064\u3059\u3079\u3066\u306e\u8a2d\u5b9a\u304c\u5fc5\u9808<\/strong>\u3068\u3055\u308c\u307e\u3057\u305f\u30025,000\u4ef6\u672a\u6e80\u306e\u9001\u4fe1\u8005\u3067\u3042\u3063\u3066\u3082\u3001SPF\u307e\u305f\u306fDKIM\u306e\u3044\u305a\u308c\u304b\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/spam\/gmail-guideline-202402\">\n \u00a0 <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2023\/11\/DKIM-2.png\" alt=\"\u30102025\u5e7411\u6708\u66f4\u65b0\u30112024\u5e742\u6708\u3088\u308aGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5909\u66f4\uff011\u65e55,000\u4ef6\u4ee5\u4e0a\u306e\u914d\u4fe1\u306f\u5bfe\u5fdc\u5fc5\u9808\uff01\" width=\"90\" height=\"47\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">\u30102025\u5e7411\u6708\u66f4\u65b0\u30112024\u5e742\u6708\u3088\u308aGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5909\u66f4\uff011\u65e55,000\u4ef6\u4ee5\u4e0a\u306e\u914d\u4fe1\u306f\u5bfe\u5fdc\u5fc5\u9808\uff01<\/div>\n    <div class=\"blogcard_excerpt\">2023\u5e7410\u6708\u3001Gmail\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u307e\u3057\u305f\u3002 Google\u516c\u5f0f\uff1a\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3 \u3053\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\n<p>SPF\u306einclude\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u305f\u4e0a\u3067\u3001DKIM\u306e\u96fb\u5b50\u7f72\u540d\u3068DMARC\u306e\u30dd\u30ea\u30b7\u30fc\u8a2d\u5b9a\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u306f\u3058\u3081\u3066\u5f37\u56fa\u306a\u30e1\u30fc\u30eb\u8a8d\u8a3c\u57fa\u76e4\u304c\u5b8c\u6210\u3057\u307e\u3059\u3002<\/p>\n<h3>SPF\u30fbDKIM\u30fbDMARC\u3068\u306f\uff1f<\/h3>\n<p>\u30e1\u30fc\u30eb\u306e\u6b63\u5f53\u6027\u3092\u8a3c\u660e\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u5f79\u5272\u306e\u7570\u306a\u308b3\u3064\u306e\u8a8d\u8a3c\u6280\u8853\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"su-table su-table-alternate\">\n<table data-path-to-node=\"8\">\n<thead>\n<tr>\n<td><strong>\u8a8d\u8a3c\u6280\u8853<\/strong><\/td>\n<td><strong>\u5f79\u5272<\/strong><\/td>\n<td><strong>\u691c\u8a3c\u306e\u4ed5\u7d44\u307f<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"8,1,0,0\"><b data-path-to-node=\"8,1,0,0\" data-index-in-node=\"0\">SPF<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,1,1,0\">\u300c\u3069\u3053\u304b\u3089\u9001\u3089\u308c\u305f\u304b\u300d\u3092\u8a3c\u660e<\/span><\/td>\n<td><span data-path-to-node=\"8,1,2,0\">\u9001\u4fe1\u5143\u30b5\u30fc\u30d0\u30fc\u306e<b data-path-to-node=\"8,1,2,0\" data-index-in-node=\"8\">IP\u30a2\u30c9\u30ec\u30b9<\/b>\u304c\u3001DNS\u4e0a\u306e\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u3042\u308b\u304b\u3092\u7167\u5408\u3059\u308b<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,2,0,0\"><b data-path-to-node=\"8,2,0,0\" data-index-in-node=\"0\">DKIM<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,2,1,0\">\u300c\u8ab0\u304c\u9001\u308a\u3001\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u300d\u3092\u8a3c\u660e<\/span><\/td>\n<td><span data-path-to-node=\"8,2,2,0\">\u30e1\u30fc\u30eb\u306b\u4ed8\u4e0e\u3055\u308c\u305f<b data-path-to-node=\"8,2,2,0\" data-index-in-node=\"9\">\u96fb\u5b50\u7f72\u540d<\/b>\u3092\u3001DNS\u4e0a\u306e\u516c\u958b\u9375\u3067\u691c\u8a3c\u3059\u308b<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,3,0,0\"><b data-path-to-node=\"8,3,0,0\" data-index-in-node=\"0\">DMARC<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,3,1,0\">\u300c\u8a8d\u8a3c\u5931\u6557\u6642\u306e\u6271\u3044\u300d\u3092\u6307\u793a\u3057\u3001\u53ef\u8996\u5316\u3059\u308b<\/span><\/td>\n<td><span data-path-to-node=\"8,3,2,0\">SPF\/DKIM\u306e\u7d50\u679c\u306b\u57fa\u3065\u304d\u3001\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u3092\u3069\u3046\u51e6\u7406\u3059\u308b\u304b\uff08\u53d7\u4fe1\/\u9694\u96e2\/\u62d2\u5426\uff09\u3092\u5ba3\u8a00\u3059\u308b<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>SPF\u306e\u5f31\u70b9\uff08\u8ee2\u9001\u6642\u306e\u8a8d\u8a3c\u5931\u6557\uff09\u3092\u88dc\u3046DKIM\u3068DMARC<\/h3>\n<p>\u300cSPF\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070DKIM\u306f\u4e0d\u8981\u3067\u306f\u306a\u3044\u304b\uff1f\u300d\u3068\u3044\u3046\u7591\u554f\u3092\u6301\u3064\u65b9\u3082\u3044\u307e\u3059\u304c\u3001SPF\u306b\u306f\u300c\u30e1\u30fc\u30eb\u306e\u8ee2\u9001\u306b\u5f31\u3044\u300d\u3068\u3044\u3046\u81f4\u547d\u7684\u306a\u5f31\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u304c\u30e1\u30fc\u30ea\u30f3\u30b0\u30ea\u30b9\u30c8\u3084\u5225\u306e\u30a2\u30c9\u30ec\u30b9\u3078\u81ea\u52d5\u8ee2\u9001\u3055\u308c\u308b\u3068\u3001\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u898b\u305f\u300c\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u300d\u306f\u8ee2\u9001\u30b5\u30fc\u30d0\u30fc\u306e\u3082\u306e\u306b\u66f8\u304d\u63db\u308f\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u672c\u6765\u306eSPF\u30ec\u30b3\u30fc\u30c9\uff08\u8a31\u53ef\u30ea\u30b9\u30c8\uff09\u3068\u4e00\u81f4\u3057\u306a\u304f\u306a\u308a\u3001SPF\u8a8d\u8a3c\u304c\u5931\u6557\uff08Fail\uff09\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u5f31\u70b9\u3092\u88dc\u5b8c\u3059\u308b\u306e\u304cDKIM\u3067\u3059\u3002DKIM\u306e\u96fb\u5b50\u7f72\u540d\u306f\u30e1\u30fc\u30eb\u306e\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u306b\u7d10\u4ed8\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u8ee2\u9001\u3055\u308c\u3066\u7d4c\u8def\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09\u304c\u5909\u308f\u3063\u3066\u3082\u8a8d\u8a3c\u304c\u7dad\u6301\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001DMARC\u306f\u300cSPF\u304bDKIM\u306e\u3069\u3061\u3089\u304b\u4e00\u65b9\u304c\u30c9\u30e1\u30a4\u30f3\u3068\u4e00\u81f4\u3057\u3066\u5408\u683c\u3057\u3066\u3044\u308c\u3070\u3001\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u3068\u3057\u3066\u6271\u3046\u300d\u3068\u3044\u3046\u7dcf\u5408\u7684\u306a\u5224\u65ad\uff08\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\uff09\u3092\u884c\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001SPF\u3068DKIM\u306e\u4e21\u65b9\u3092\u8a2d\u5b9a\u3057\u3001DMARC\u3067\u30dd\u30ea\u30b7\u30fc\u3092\u7ba1\u7406\u3057\u3066\u306f\u3058\u3081\u3066\u3001\u8ee2\u9001\u3084\u306a\u308a\u3059\u307e\u3057\u306b\u8010\u3048\u3046\u308b\u5f37\u56fa\u306a\u30e1\u30fc\u30eb\u8a8d\u8a3c\u57fa\u76e4\u304c\u5b8c\u6210\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n<h3>\u3055\u3089\u306b\u5f37\u56fa\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u300cBIMI\u300d<\/h3>\n<p>DMARC\u3092\u5c0e\u5165\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u3092\u9ad8\u3081\u305f\u4f01\u696d\u304c\u6b21\u306b\u53d6\u308a\u7d44\u3080\u3079\u304d\u306a\u306e\u304c\u300cBIMI\uff08Brand Indicators for Message Identification\uff09\u300d\u3067\u3059\u3002<\/p>\n<p>BIMI\u306f\u3001\u53b3\u3057\u3044DMARC\u8a8d\u8a3c\u306b\u5408\u683c\u3057\u305f\u6b63\u898f\u306e\u30e1\u30fc\u30eb\u306b\u5bfe\u3057\u3066\u3001\u53d7\u4fe1\u30c8\u30ec\u30a4\u4e0a\u3067<span style=\"color: #ff0000;\"><strong>\u9001\u4fe1\u5143\u4f01\u696d\u306e\u30d6\u30e9\u30f3\u30c9\u30ed\u30b4\u3092\u8868\u793a\u3055\u305b\u308b<\/strong><\/span>\u4ed5\u7d44\u307f\u3067\u3059\u3002Gmail\u3084Apple Mail\u3001Yahoo!\u30e1\u30fc\u30eb\uff08\u7c73\u56fd\uff09\u306a\u3069\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002BIMI\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>\u8996\u899a\u7684\u306a\u5b89\u5fc3\u611f\u3068\u30d6\u30e9\u30f3\u30c9\u4fa1\u5024\u306e\u5411\u4e0a<\/strong>\uff1a\u30e6\u30fc\u30b6\u30fc\u306f\u30e1\u30fc\u30eb\u3092\u958b\u5c01\u3059\u308b\u524d\u306b\u300c\u516c\u5f0f\u304b\u3089\u306e\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u300d\u3060\u3068\u4e00\u76ee\u3067\u5224\u65ad\u3067\u304d\u308b\u305f\u3081\u3001\u958b\u5c01\u7387\u306e\u5411\u4e0a\u3084\u30d6\u30e9\u30f3\u30c9\u3078\u306e\u4fe1\u983c\u611f\u30a2\u30c3\u30d7\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5c0e\u5165\u306e\u30cf\u30fc\u30c9\u30eb\uff08\u524d\u63d0\u6761\u4ef6\uff09<\/strong>\uff1aBIMI\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001DMARC\u306e\u30dd\u30ea\u30b7\u30fc\u304c\u5358\u306a\u308b\u76e3\u8996\uff08p=none\uff09\u3067\u306f\u306a\u304f\u3001\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u306e\u300c\u9694\u96e2\uff08p=quarantine\uff09\u300d\u307e\u305f\u306f\u300c\u62d2\u5426\uff08p=reject\uff09\u300d\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30ed\u30b4\u306e\u6b63\u5f53\u6027\u3092\u8a3c\u660e\u3059\u308b\u300cVMC\uff08Verified Mark Certificate\uff1a\u30de\u30fc\u30af\u691c\u8a3c\u8a3c\u660e\u66f8\uff09\u300d\u3068\u3044\u3046\u516c\u7684\u306a\u96fb\u5b50\u8a3c\u660e\u66f8\u306e\u53d6\u5f97\u304c\u591a\u304f\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div>\n<p>SPF\u306einclude\u8a2d\u5b9a\u3092\u6b63\u3057\u304f\u6574\u5099\u3059\u308b\u3053\u3068\u306f\u3001\u3053\u3046\u3057\u305f\u9ad8\u5ea6\u306a\u30d6\u30e9\u30f3\u30c9\u4fdd\u8b77\u5bfe\u7b56\uff08DKIM \u2192 DMARC \u2192 BIMI\uff09\u3078\u5411\u3051\u305f\u3001\u975e\u5e38\u306b\u91cd\u8981\u306a\u7b2c\u4e00\u6b69\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>BIMI\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u306f\u3001BIM\u306e\u30e1\u30ea\u30c3\u30c8\u304b\u3089\u5c0e\u5165\u307e\u3067\u306e\u30b9\u30c6\u30c3\u30d7\u3001\u5931\u6557\u3057\u306a\u3044\u305f\u3081\u306eDMARC\u79fb\u884c\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3001BIMI\u8a2d\u5b9a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u307e\u3067\u3092\u307e\u3068\u3081\u305fBIMI\u5b8c\u5168\u30ac\u30a4\u30c9\u3092\u7121\u6599\u3067\u3054\u7528\u610f\u3057\u307e\u3057\u305f\u306e\u3067\u3054\u6d3b\u7528\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001BIMI\u306b\u3064\u3044\u3066\u306e\u304a\u554f\u3044\u5408\u308f\u305b\u3084\u3054\u76f8\u8ac7\u3082\u53ef\u80fd\u3067\u3059\u306e\u3067\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/blastmail.jp\/blog\/download\/bimi-doc\" target=\"_blank\" rel=\"noopener\">&gt;&gt;BIMI\u5b8c\u5168\u30ac\u30a4\u30c9\u3092\u7121\u6599\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/a><\/p>\n<p><a href=\"https:\/\/blastmail.jp\/blog\/download\/bimi\" target=\"_blank\" rel=\"noopener\">&gt;&gt;BIMI\u5c0e\u5165\u306b\u3064\u3044\u3066\u7121\u6599\u3067\u76f8\u8ac7\u30fb\u554f\u3044\u5408\u308f\u305b\u3059\u308b<\/a><\/p>\n<h2>\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u6539\u5584\u3059\u308b\u306a\u3089\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u6d3b\u7528\u3059\u308b<\/h2>\n<p>SPF\u306einclude\u8a2d\u5b9a\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30e1\u30fc\u30eb\u8a8d\u8a3c\u6280\u8853\u306e\u904b\u7528\u306f\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u57fa\u76e4\u3092\u652f\u3048\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u3057\u304b\u3057\u3001DNS\u8a2d\u5b9a\u306e\u7ba1\u7406\u3084\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u306e\u76e3\u8996\u3001DKIM\u30fbDMARC\u3068\u306e\u9023\u643a\u306a\u3069\u3001\u62c5\u5f53\u8005\u306e\u8ca0\u8377\u306f\u6c7a\u3057\u3066\u5c0f\u3055\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001<strong>\u30e1\u30fc\u30eb\u8a8d\u8a3c\u6280\u8853\u306b\u6a19\u6e96\u5bfe\u5fdc\u3057\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0<\/strong>\u3092\u5c0e\u5165\u3059\u308b\u4f01\u696d\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002SPF\u30fbDKIM\u30fbDMARC\u306e\u8a2d\u5b9a\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u9ad8\u3044\u5230\u9054\u7387\u3068\u914d\u4fe1\u901f\u5ea6\u3092\u4e21\u7acb\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u9078\u3076\u3053\u3068\u3067\u3001\u8a2d\u5b9a\u30df\u30b9\u306b\u3088\u308b\u30e1\u30fc\u30eb\u4e0d\u9054\u306e\u30ea\u30b9\u30af\u3092\u5927\u5e45\u306b\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8<\/h3>\n<div class=\"list04\">\n<ul>\n<li>SPF\/DKIM\/DMARC\u306b\u5bfe\u5fdc\u3057\u305f\u914d\u4fe1\u57fa\u76e4\u3067\u3001\u8a8d\u8a3c\u8a2d\u5b9a\u306e\u624b\u9593\u3092\u524a\u6e1b\u3067\u304d\u308b<\/li>\n<li>\u9ad8\u3044IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3057\u305f\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u914d\u4fe1\u3067\u304d\u3001\u5230\u9054\u7387\u304c\u5411\u4e0a\u3059\u308b<\/li>\n<li>Gmail\u3084Outlook\u306a\u3069\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u6e96\u62e0\u3057\u305f\u74b0\u5883\u3092\u7c21\u5358\u306b\u6574\u5099\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/div>\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\uff08blastmail\uff09\u306f\u300115\u5e74\u9023\u7d9a\u3067\u5c0e\u5165\u793e\u6570\u30b7\u30a7\u30a2No.1\u3092\u7372\u5f97\u3057\u3066\u3044\u308b\u56fd\u5185\u6700\u5927\u7d1a\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u300227,000\u793e\u4ee5\u4e0a\u306e\u5c0e\u5165\u5b9f\u7e3e\u306b\u652f\u3048\u3089\u308c\u305f\u9ad8\u3044\u914d\u4fe1\u57fa\u76e4\u3068\u3001\u5c02\u9580\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u76f4\u611f\u7684\u306b\u64cd\u4f5c\u3067\u304d\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u7ba1\u7406\u753b\u9762\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u5bfe\u7b56\uff08SPF\/DKIM\u5bfe\u5fdc\uff09<\/strong>: Gmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3082\u5bfe\u5fdc\u3057\u305f\u914d\u4fe1\u57fa\u76e4\u3067\u3001SPF\u8a2d\u5b9a\u306einclude\u5024\u3082\u660e\u78ba\u306b\u6848\u5185\u3055\u308c\u308b\u305f\u3081\u3001\u8a2d\u5b9a\u306b\u8ff7\u3044\u307e\u305b\u3093<\/li>\n<li><strong>\u52b9\u679c\u6e2c\u5b9a\u6a5f\u80fd<\/strong>: \u958b\u5c01\u7387\u30fb\u30af\u30ea\u30c3\u30af\u7387\u30fb\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30c8\u3092\u78ba\u8a8d\u3067\u304d\u3001\u914d\u4fe1\u5f8c\u306e\u6539\u5584\u65bd\u7b56\u306b\u3059\u3050\u6d3b\u304b\u305b\u307e\u3059<\/li>\n<li><strong>\u696d\u754c\u6700\u5b89\u30af\u30e9\u30b9\u306e\u6599\u91d1<\/strong>: \u6708\u984d4,000\u5186\u301c\u3067\u914d\u4fe1\u901a\u6570\u7121\u5236\u9650\u3002\u30b3\u30b9\u30c8\u3092\u6291\u3048\u306a\u304c\u3089\u5927\u898f\u6a21\u914d\u4fe1\u3082\u5b9f\u73fe\u3067\u304d\u307e\u3059<\/li>\n<li><strong>\u5145\u5b9f\u3057\u305f\u30b5\u30dd\u30fc\u30c8\u4f53\u5236<\/strong>: \u96fb\u8a71\u30fb\u30e1\u30fc\u30eb\u30fb\u30c1\u30e3\u30c3\u30c8\u3067\u5c0e\u5165\u524d\u304b\u3089\u5229\u7528\u4e2d\u307e\u3067\u624b\u539a\u304f\u30d5\u30a9\u30ed\u30fc\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n<\/div>\n<p>SPF\u306einclude\u8a2d\u5b9a\u306b\u4e0d\u5b89\u304c\u3042\u308b\u65b9\u3067\u3082\u3001\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306a\u3089\u5c0e\u5165\u6642\u306bSPF\u30ec\u30b3\u30fc\u30c9\u3078\u8ffd\u8a18\u3059\u3079\u304d\u5024\u304c\u660e\u78ba\u306b\u63d0\u793a\u3055\u308c\u308b\u305f\u3081\u3001\u30b9\u30e0\u30fc\u30ba\u306b\u8a2d\u5b9a\u3092\u5b8c\u4e86\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u306f\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3067\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u74b0\u5883\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\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\/\">\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<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\u3001SMTP\u30ea\u30ec\u30fc\u3084API\u3067\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u3068\u9023\u643a\u3057\u3001\u4e00\u6589\u914d\u4fe1\u3084\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u3092\u9ad8\u901f\u304b\u3064\u78ba\u5b9f\u306b\u5c4a\u3051\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002\u904b\u7528\u30fb\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306fblastengine\u5074\u3067\u884c\u308f\u308c\u308b\u305f\u3081\u3001\u5e38\u306b\u9ad8\u3044IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u7dad\u6301\u3055\u308c\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u9762\u5012\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u7ba1\u7406\u304b\u3089\u89e3\u653e\u3057\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li><strong>99%\u4ee5\u4e0a\u306e\u9ad8\u3044\u5230\u9054\u7387<\/strong>: \u56fd\u5185\u30ad\u30e3\u30ea\u30a2\u30fbISP\u3078\u306e\u500b\u5225\u9001\u4fe1\u30ed\u30b8\u30c3\u30af\u3067\u3001\u30e1\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u5c4a\u3051\u307e\u3059<\/li>\n<li><strong>SPF\/DKIM\/DMARC\u5bfe\u5fdc<\/strong>: \u6700\u65b0\u306e\u30e1\u30fc\u30eb\u8a8d\u8a3c\u6280\u8853\u306b\u6a19\u6e96\u5bfe\u5fdc\u3057\u3001\u306a\u308a\u3059\u307e\u3057\u30fb\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u3092\u56de\u907f\u3057\u307e\u3059<\/li>\n<li><strong>API\u9023\u643a\u30fbSMTP\u30ea\u30ec\u30fc<\/strong>: \u65e2\u5b58\u306e\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u7d44\u307f\u8fbc\u307f\u304c\u5bb9\u6613\u3067\u3001\u6700\u77ed\u5f53\u65e5\u304b\u3089\u5229\u7528\u3092\u958b\u59cb\u3067\u304d\u307e\u3059<\/li>\n<li><strong>\u521d\u671f\u8cbb\u7528\u7121\u6599\u30fb\u6708\u984d3,000\u5186\u301c<\/strong>: \u5927\u91cf\u914d\u4fe1\u3067\u3082\u4f4e\u30b3\u30b9\u30c8\u3067\u904b\u7528\u304c\u53ef\u80fd\u3067\u3059<\/li>\n<\/ul>\n<\/div>\n<p>SPF\u306einclude\u8a2d\u5b9a\u3067\u300c\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u304c\u8db3\u308a\u306a\u3044\u300d\u300c\u65e2\u5b58\u306eSPF\u30ec\u30b3\u30fc\u30c9\u304c\u8907\u96d1\u3059\u304e\u308b\u300d\u3068\u3044\u3063\u305f\u8ab2\u984c\u3092\u62b1\u3048\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3001\u914d\u4fe1\u57fa\u76e4\u3054\u3068blastengine\u306b\u79fb\u884c\u3059\u308b\u3068\u3044\u3046\u9078\u629e\u80a2\u306f\u3001\u904b\u7528\u8ca0\u8377\u3092\u5927\u5e45\u306b\u8efd\u6e1b\u3059\u308b\u6709\u52b9\u306a\u624b\u6bb5\u3067\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>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blastengine.jp\/<\/a><\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>SPF\u306einclude\u306f\u3001\u5916\u90e8\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3084\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308c\u3070\u3001\u9001\u4fe1\u5143\u306e\u6b63\u5f53\u6027\u3092\u8a3c\u660e\u3057\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u5927\u304d\u304f\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>include\u306f\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u53c2\u7167\u3057\u3001\u9001\u4fe1\u5143IP\u306e\u6b63\u5f53\u6027\u3092\u8a3c\u660e\u3059\u308b\u4ed5\u7d44\u307f<\/li>\n<li>SPF\u30ec\u30b3\u30fc\u30c9\u306f1\u30c9\u30e1\u30a4\u30f3\u306b\u3064\u304d1\u884c\u306e\u307f\u3002include\u306e\u8ffd\u52a0\u306f\u65e2\u5b58\u30ec\u30b3\u30fc\u30c9\u306b\u7d71\u5408\u3059\u308b<\/li>\n<li>DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u6700\u592710\u56de\u307e\u3067\u3002include\u5148\u306e\u518d\u5e30\u7684\u306a\u30ab\u30a6\u30f3\u30c8\u306b\u6ce8\u610f\u3059\u308b<\/li>\n<li>\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u8d85\u904e\u6642\u306f\u4e0d\u8981\u306ainclude\u306e\u524a\u9664\u3001\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306e\u6d3b\u7528\u3001\u30d5\u30e9\u30c3\u30c8\u5316\u3067\u5bfe\u51e6\u3059\u308b<\/li>\n<li>SPF\u5358\u4f53\u3067\u306f\u4e0d\u5341\u5206\u3002DKIM\u3068DMARC\u3092\u4f75\u305b\u3066\u8a2d\u5b9a\u3057\u3001\u30e1\u30fc\u30eb\u8a8d\u8a3c\u57fa\u76e4\u3092\u5b8c\u6210\u3055\u305b\u308b<\/li>\n<\/ul>\n<\/div>\n<p>\u307e\u305a\u53d6\u308a\u7d44\u3080\u3079\u304d\u306f\u3001\u81ea\u793e\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306e\u73fe\u72b6\u78ba\u8a8d\u3067\u3059\u3002\u30aa\u30f3\u30e9\u30a4\u30f3\u306eSPF\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3067\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u56de\u6570\u3092\u78ba\u8a8d\u3057\u3001\u4e0d\u8981\u306ainclude\u304c\u306a\u3044\u304b\u3001\u8a18\u8ff0\u30df\u30b9\u304c\u306a\u3044\u304b\u3092\u70b9\u691c\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u4e0a\u3067\u3001DKIM\u30fbDMARC\u306e\u8a2d\u5b9a\u72b6\u6cc1\u3082\u3042\u308f\u305b\u3066\u78ba\u8a8d\u3057\u3001\u30e1\u30fc\u30eb\u8a8d\u8a3c\u74b0\u5883\u3092\u4e00\u62ec\u3067\u898b\u76f4\u3059\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\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\">SPF\u306einclude\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1ainclude\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u306e\u4e2d\u3067\u5916\u90e8\u30c9\u30e1\u30a4\u30f3\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002Google Workspace\u3084Microsoft 365\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u306b\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u306eSPF\u30ec\u30b3\u30fc\u30c9\u3092\u81ea\u793e\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306b\u53d6\u308a\u8fbc\u3080\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/dd>\n<dt 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