{"id":868,"date":"2026-10-07T10:53:17","date_gmt":"2026-10-07T01:53:17","guid":{"rendered":"https:\/\/falcon21.space\/kazuya\/work\/?p=868"},"modified":"2026-10-07T10:53:17","modified_gmt":"2026-10-07T01:53:17","slug":"%e9%80%81%e4%bf%a1%e3%83%a1%e3%83%bc%e3%83%ab%e3%81%8c%e3%81%aa%e3%82%8a%e3%81%99%e3%81%be%e3%81%97%e3%83%a1%e3%83%bc%e3%83%ab%e3%81%a8%e8%a1%a8%e7%a4%ba%e3%81%95%e3%82%8c%e3%81%a6%e3%81%97%e3%81%be","status":"publish","type":"post","link":"https:\/\/falcon21.space\/kazuya\/work\/?p=868","title":{"rendered":"\u9001\u4fe1\u30e1\u30fc\u30eb\u304c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3046"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>\u9001\u4fe1\u30e1\u30fc\u30eb\u304c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3046<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">*******************************************<br><br>\u4e3b\u306a\u539f\u56e0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPF\u306e\u8a2d\u5b9a\u30df\u30b9\u30fb\u672a\u8a2d\u5b9a<\/strong>: \u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u304c\u3001\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30ec\u30b3\u30fc\u30c9\u306b\u6b63\u3057\u304f\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DKIM\u306e\u672a\u8a2d\u5b9a<\/strong>: \u30e1\u30fc\u30eb\u306e\u6b63\u5f53\u6027\u3092\u8a3c\u660e\u3059\u308b\u96fb\u5b50\u7f72\u540d\u304c\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DMARC\u306e\u672a\u8a2d\u5b9a\u30fb\u30dd\u30ea\u30b7\u30fc\u8a2d\u5b9a<\/strong>: SPF\u3084DKIM\u306e\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u969b\u306e\u30dd\u30ea\u30b7\u30fc\uff08dmarc=fail\u306a\u3069\uff09\u304c\u9069\u5207\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u3001\u3042\u308b\u3044\u306f\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u79fb\u884c\u671f<\/strong>: \u30b5\u30fc\u30d0\u30fc\u3084\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u5909\u66f4\u3057\u305f\u969b\u3001DNS\u306eTXT\u30ec\u30b3\u30fc\u30c9\uff08SPF\u306a\u3069\uff09\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u6c7a\u30fb\u5bfe\u7b56\u624b\u9806<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>SPF\u30ec\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u30fb\u8a2d\u5b9a\u3059\u308b<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u3057\u3066\u3044\u308b<strong>\u30c9\u30e1\u30a4\u30f3\u306eDNS\u8a2d\u5b9a\u753b\u9762\u3067\u3001\u6b63\u3057\u3044SPF\u30ec\u30b3\u30fc\u30c9<\/strong>\uff08\u4f8b: <strong>v=spf1 include:&#8230; ~all<\/strong>\uff09\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DKIM\u7f72\u540d\u3092\u6709\u52b9\u306b\u3059\u308b<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5229\u7528\u4e2d\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3084\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u7ba1\u7406\u753b\u9762\u3067\u3001DKIM\u7f72\u540d\u304c\u6b63\u3057\u304f\u51fa\u529b\u30fb\u8a2d\u5b9a\u3055\u308c\u308b\u3088\u3046\u6709\u52b9\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DMARC\u3092\u8a2d\u5b9a\u3059\u308b<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>DNS\u306bDMARC\u30ec\u30b3\u30fc\u30c9<\/strong>\uff08\u4f8b: <strong>_:\/\/yourdomain.com<\/strong>\uff09<strong>\u3092\u8ffd\u52a0<\/strong>\u3057\u3001\u53d7\u4fe1\u5074\u3067\u306e\u5224\u5b9a\u57fa\u6e96\u3092\u660e\u78ba\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u3092\u78ba\u8a8d\u3059\u308b<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u81ea\u8eab\u306b\u30c6\u30b9\u30c8\u9001\u4fe1\u3057\u3001<strong>\u53d7\u4fe1\u30e1\u30fc\u30eb\u306e\u30bd\u30fc\u30b9\uff08\u30d8\u30c3\u30c0\u60c5\u5831\uff09\u304b\u3089<\/strong> <strong>Received-SPF \u3084 Authentication-Results \u304c <code>pass<\/code> \u306b\u306a\u3063\u3066\u3044\u308b\u304b<\/strong>\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><br>&#8212;&#8212;&#8212;&#8212;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u3054\u5229\u7528\u306e\u5834\u5408<\/strong>\u3001\u300c\u306a\u308a\u3059\u307e\u3057\u300d\u5224\u5b9a\u3092\u89e3\u6d88\u3059\u308b\u306b\u306f<strong>\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30ec\u30b3\u30fc\u30c9\uff08SPF\/DKIM\/DMARC\uff09\u306e\u8a2d\u5b9a<\/strong>\u304c\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u56e0\u306e\u307b\u3068\u3093\u3069\u306f\u3001\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u3068\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u8a2d\u5b9a\uff08DNS\uff09\u304c\u7d10\u3065\u3044\u3066\u3044\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u307e\u305a\u306f\u3001\u6700\u3082\u91cd\u8981\u3067\u52b9\u679c\u306e\u3042\u308b<strong>SPF\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u30fb\u78ba\u8a8d<\/strong>\u304b\u3089\u9032\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8212;&#8212;&#8212;-<br><strong>\u89e3\u6c7a\u306e\u305f\u3081\u306e3\u3064\u306e\u30b9\u30c6\u30c3\u30d7<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. SPF\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u30fb\u4fee\u6b63\u3059\u308b\uff08\u6700\u512a\u5148\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u304a\u4f7f\u3044\u306e\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u753b\u9762\uff08\u304a\u540d\u524d.com\u3001\u30e0\u30fc\u30e0\u30fc\u30c9\u30e1\u30a4\u30f3\u306a\u3069\uff09\u306eDNS\u8a2d\u5b9a\u306b\u3001<strong>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u6307\u5b9a\u3059\u308bTXT\u30ec\u30b3\u30fc\u30c9<\/strong>\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u3088\u304f\u3042\u308b\u6b63\u3057\u3044\u8a2d\u5b9a\u4f8b\uff08Gmail\/Google Workspace\u306e\u5834\u5408\uff09\uff1a<\/strong><br><code>v=spf1 include:_:\/\/google.com ~all<\/code><\/li>\n\n\n\n<li><strong>\u3088\u304f\u3042\u308b\u6b63\u3057\u3044\u8a2d\u5b9a\u4f8b\uff08\u30a8\u30c3\u30af\u30b9\u30b5\u30fc\u30d0\u30fc\u306e\u5834\u5408\uff09\uff1a<\/strong><br><code>v=spf1 +ip4:xxx.xxx.xxx.xxx include:xserver.jp ~all<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">?? <strong>\u6ce8\u610f\u70b9\uff1a<\/strong> SPF\u30ec\u30b3\u30fc\u30c9\uff08<code>v=spf1<\/code> \u3067\u59cb\u307e\u308b\u884c\uff09\u306f\u3001<strong>1\u3064\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u30661\u884c\u3057\u304b\u66f8\u3044\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/strong> \u3082\u3057\u8907\u6570\u884c\u306b\u5206\u304b\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001<code>v=spf1 include:\uff5e include:\uff5e ~all<\/code> \u306e\u3088\u3046\u306b1\u884c\u306b\u307e\u3068\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. DKIM\uff08\u30c7\u30a3\u30fc\u30ad\u30e0\uff09\u3092\u8a2d\u5b9a\u3059\u308b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u306b\u6697\u53f7\u5316\u3055\u308c\u305f\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u52a0\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u753b\u9762\uff08\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3084Google Workspace\u7b49\u306e\u7ba1\u7406\u30b3\u30f3\u30bd\u30fc\u30eb\uff09\u3067\u300cDKIM\u306e\u751f\u6210\u300d\u307e\u305f\u306f\u300c\u6709\u52b9\u5316\u300d\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u767a\u884c\u3055\u308c\u305f\u30db\u30b9\u30c8\u540d\uff08\u4f8b: <code>google._domainkey<\/code>\uff09\u3068TXT\u5024\u3092\u3001\u30c9\u30e1\u30a4\u30f3\u306eDNS\u8a2d\u5b9a\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><br>DMARC\uff08\u30c7\u30a3\u30fc\u30de\u30fc\u30af\uff09\u3092\u8a2d\u5b9a\u3059\u308b<br><br>SPF\u3068DKIM\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3067\u304d\u305f\u3089\u3001\u6700\u5f8c\u306bDMARC\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u5224\u5b9a\u3092\u5b8c\u5168\u306b\u30af\u30ea\u30a2\u306b\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059<br><br>\u30c9\u30e1\u30a4\u30f3\u306eDNS\u306b\u4ee5\u4e0b\u306eTXT\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30db\u30b9\u30c8\u540d:<\/strong> <code>_dmarc<\/code><\/li>\n\n\n\n<li><strong>\u5024\uff08\u6700\u521d\u306f\u76e3\u8996\u30e2\u30fc\u30c9\u3092\u63a8\u5968\uff09:<\/strong> <code>v=DMARC1; p=none;<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><br>&#8212;&#8212;&#8212;&#8212;<br><br><strong>\u8a2d\u5b9a\u304c\u6b63\u3057\u3044\u304b\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u81ea\u5206\u306e\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u304b\u3089<strong>Gmail\u306e\u30a2\u30c9\u30ec\u30b9<\/strong>\u5b9b\u306b\u30c6\u30b9\u30c8\u30e1\u30fc\u30eb\u30921\u901a\u9001\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d7\u4fe1\u3057\u305fGmail\u3067\u30e1\u30fc\u30eb\u3092\u958b\u304f\u3002<\/li>\n\n\n\n<li>\u8fd4\u4fe1\u30dc\u30bf\u30f3\u306e\u6a2a\u306b\u3042\u308b\u300c\u305d\u306e\u4ed6\uff08\u7e26\u306e3\u70b9\u30ea\u30fc\u30c0\u30fc\uff09\u300d\u304b\u3089<strong>\u300c\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30bd\u30fc\u30b9\u3092\u8868\u793a\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3002<\/li>\n\n\n\n<li>\u753b\u9762\u4e0a\u306b <strong>SPF: PASS<\/strong>\u3001<strong>DKIM: PASS<\/strong>\u3001<strong>DMARC: PASS<\/strong> \u3068\u3059\u3079\u3066\u300cPASS\u300d\u306b\u306a\u3063\u3066\u3044\u308c\u3070\u8a2d\u5b9a\u5b8c\u4e86\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><br>&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9001\u4fe1\u30e1\u30fc\u30eb\u304c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3046 ******************************************* \u4e3b\u306a\u539f\u56e0 &#8212;&#8212;&#8212;- \u89e3\u6c7a\u30fb\u5bfe\u7b56\u624b\u9806 &#038;#8212 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-868","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/posts\/868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=868"}],"version-history":[{"count":1,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/posts\/868\/revisions"}],"predecessor-version":[{"id":869,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/posts\/868\/revisions\/869"}],"wp:attachment":[{"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}