{"id":675,"date":"2026-01-13T08:34:17","date_gmt":"2026-01-12T23:34:17","guid":{"rendered":"https:\/\/www.sakanashi.mydns.jp\/wprss\/?p=675"},"modified":"2026-01-13T13:31:13","modified_gmt":"2026-01-13T04:31:13","slug":"post-675","status":"publish","type":"post","link":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/2026\/01\/13\/post-675\/","title":{"rendered":"Nifty\/Gmail\/ezweb\u306bmydns\u304b\u3089\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u3088\u3046\u306b\u3059\u308b"},"content":{"rendered":"\n<p>\u4f55\u4ee3\u304b\u524d\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u3068\u304d\u306bOP25B\u306a\u308b\u3082\u306e\u304c\u3067\u3066\u304d\u3066Nifty\u306f\u3058\u3081\u3001mydns\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u3063\u305f\u3053\u3068\u304c\u3042\u308b\u304c\u3001\u305d\u306e\u969b\u306fOP25B\u5bfe\u5fdc\u3057\u3066\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/p>\n\n\n\n<p>\u304c\u3001\u3044\u3064\u3060\u3063\u305f\u304b\u518d\u3073\u3042\u3061\u3053\u3061\u306bmydns\u304b\u3089\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u3063\u3066\u4f55\u3060\u308d\u3046\u306a\uff5e\u3068\u601d\u3063\u305f\u3089\u3001\u4eca\u3069\u304d\u306e\u30e1\u30fc\u30eb\u3063\u3066\u3044\u308d\u3044\u308d\u51e6\u7f6e\u3092\u65bd\u3055\u306a\u3044\u3068\u5c4a\u304b\u306a\u3044\u3088\u3046\u3067\u2026<\/p>\n\n\n\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3044\u308d\u3044\u308d\u5bfe\u7b56\u3057\u3066\u307f\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4eca\u3069\u304d\u306e\u30e1\u30fc\u30eb\u306b\u5fc5\u8981\u306a\u3053\u3068<\/h2>\n\n\n\n<p>OP25B\u5bfe\u5fdc\u3082\u5fc5\u8981\u3060\u304c\u3001\u3053\u308c\u4ee5\u5916\u306b\u4ee5\u4e0b\u304c\u5fc5\u8981\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPF\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>DMARC\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>DKIM\u8a8d\u8a3c\u306e\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u3046\u3061\u3001SPF\u3068DMARC\u306fDNS\u30ec\u30b3\u30fc\u30c9\u3067\u8a2d\u5b9a\u3059\u308b\u306e\u3060\u304c\u3001\u3053\u308c\u306f\u81ea\u9bd6\u3067\u306a\u304fmydns\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SPF\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p>SPF\u306f\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u3066\u9001\u4fe1\u30b5\u30fc\u30d0\u306f\u25cb\u25cb\u3060\u3088\u3068\u3044\u3046\u8a2d\u5b9a\u3092\u3057\u3066\u3001\u30e1\u30fc\u30eb\u306e\u507d\u88c5\u3092\u9632\u3050\u4ed5\u7d44\u307f\u3002 \u5177\u4f53\u7684\u306b\u306fDNS\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u3001<\/p>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-vim\"><code class=\"language-vim\">IN TXT \"v=spf1 +ip4:\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9 -all\"<\/code><\/pre>\n\n\n\n<p>\u3068\u3044\u3063\u305f\u8a18\u8ff0\u3092\u3059\u308b\u306e\u3060\u304c\u3001<span style=\"color: #ff0000\" class=\"text-color\">mydns\u3067\u306f\u81ea\u52d5\u3067SPF\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u7279\u306b\u8ffd\u52a0\u306e\u8a2d\u5b9a\u306f\u4e0d\u8981<\/span>\u3002<br>(SPF\u306e\u8a18\u8ff0\u3092\u3057\u305fTXT\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308c\u3070\u3001\u305d\u3061\u3089\u3092\u512a\u5148\u3059\u308b\u3089\u3057\u3044)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p>DMARC\u306f\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u304cDMARC\u306e\u8a8d\u8a3c\u306b\u5408\u683c\u3057\u306a\u3044\u3068\u304d\u306b\u3069\u3046\u51e6\u7406\u3059\u308b\u304b\u3092\u8a18\u8ff0\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/dmarcian.com\/dmarc-inspector\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/dmarcian.com\/dmarc-inspector\/<\/a> \u3084 <a href=\"https:\/\/mxtoolbox.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/mxtoolbox.com\/<\/a> \u3067\u78ba\u8a8d\u3057\u306a\u304c\u3089\u8a2d\u5b9a\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001mydns\u3067\u306f\u3001<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Hostname<\/td><td>Type<\/td><td>Content<\/td><\/tr><tr><td>_dmarc<\/td><td>TXT<\/td><td>v=DMARC1; p=; rua=mailto:\u30ec\u30dd\u30fc\u30c8\u9001\u4fe1\u5148\u30a2\u30c9\u30ec\u30b9;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3068\u66f8\u304f\u306e\u304c\u826f\u3055\u305d\u3046\u3060\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DKIM\u8a8d\u8a3c\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p>DKIM\u306fDomain Keys Identified Mail\u306e\u7565\u3067\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u52a0\u3057\u3001\u53d7\u4fe1\u5074\u3067\u306fDNS\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u5185\u5bb9\u306b\u57fa\u3065\u3044\u3066\u53d7\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306e\u7f72\u540d\u3092\u78ba\u8a8d\u3059\u308b\u4ed5\u7d44\u307f\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u52a0\u3059\u308b\u3088\u3046\u306b\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u3053\u308c\u306fOpendkim\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3067\u304d\u308b\u3088\u3046\u3060\u3002<\/p>\n\n\n\n<p>Opendkim\u306f\u3001<\/p>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-bash\"><code class=\"language-bash\">apt update\napt install opendkim opendkim-tools<\/code><\/pre>\n\n\n\n<p>\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306b\u3001<\/p>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-bash\"><code class=\"language-bash\">opendkim-genkey -b 1024 -D \/etc\/dkimkeys -d xxxx.xxxx.jp -s &lt;\u30bb\u30ec\u30af\u30bf\u30fc>\n\u203bmydns\u306eTXT\u30ec\u30b3\u30fc\u30c9\u306f250\u6587\u5b57\u307e\u3067\u3057\u304b\u767b\u9332\u3067\u304d\u306a\u3044\u306e\u3067\u3001\"-b 1024\"\u3067\u79d8\u5bc6\u9375\u306e\u9577\u3055\u3092\u5236\u9650\u3059\u308b\u3002<\/code><\/pre>\n\n\n\n<p>\u3067\u79d8\u5bc6\u9375\u3092\u4f5c\u6210\u3057\u3001<\/p>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-bash\"><code class=\"language-bash\">chown opendkim:opendkim \/etc\/dkimkeys\/mail.private\nchown opendkim:opendkim \/etc\/dkimkeys\/mail.txt<\/code><\/pre>\n\n\n\n<p>\u3067\u6240\u6709\u8005\u3092\u5909\u66f4\u3002\u305d\u3057\u3066\/etc\/opendkim.conf\u3092\u3001<\/p>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-apacheconf\"><code class=\"language-apacheconf\">Mode\t\tsv\nDomain\t\txxxx.xxx.jp\nSelector\t&lt;\u30bb\u30ec\u30af\u30bf\u30fc>\nKeyFile \t\/etc\/dkimkeys\/mail.private\nSocket      inet:8891@localhost<\/code><\/pre>\n\n\n\n<p>\u306a\u611f\u3058\u3067\u7de8\u96c6\u3059\u308b\u3002\u7de8\u96c6\u5f8c\u3001<\/p>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-bash\"><code class=\"language-bash\">systemctl restart opendkim<\/code><\/pre>\n\n\n\n<p>\u3067\u518d\u8d77\u52d5\u3059\u308c\u3070OK\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u3001mydns\u5074\u306e\u30ec\u30b3\u30fc\u30c9\u306b\/etc\/dkimkeys\/mail.txt\u306e\u5185\u5bb9\u3092\u3082\u3068\u306b\u3001<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Hostname<\/td><td>Type<\/td><td>Content<\/td><\/tr><tr><td>&lt;\u30bb\u30ec\u30af\u30bf\u30fc&gt;._domainkey<\/td><td>TXT<\/td><td>v=DKIM1; h=sha256; k=rsa; p=\uff5e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u306e\u3088\u3046\u306b\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3067Opendkim\u3068DNS\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u306f\u3067\u304d\u305f\u304c\u3001\u3082\u3046\u4e00\u3064\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u52a0\u3059\u308b\u3088\u3046\u3001postfix\u306e\u8a2d\u5b9a(\/etc\/postfix\/main.cf)\u306b\u4ee5\u4e0b\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-luxe-blocks-syntaxhighlighter line-numbers language-apacheconf\"><code class=\"language-apacheconf\">smtpd_milters = inet:127.0.0.1:8891\nnon_smtpd_milters = $smtpd_milters\nmilter_default_action = accept<\/code><\/pre>\n\n\n\n<p>\u8a2d\u5b9a\u5909\u66f4\u5f8c\u3001systemctl restart postfix\u3067\u518d\u8d77\u52d5\u3059\u308c\u3070OK\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c6\u30b9\u30c8\u9001\u4fe1<\/h2>\n\n\n\n<p>\u81ea\u9bd6\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u305f\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u3001Nifty\u3001Gmail\u3001ezweb\u306b\u30c6\u30b9\u30c8\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3001\u305d\u308c\u305e\u308c\u53d7\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"809\" height=\"540\" src=\"https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_nifty.jpg\" alt=\"\" class=\"wp-image-676\" srcset=\"https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_nifty.jpg 809w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_nifty-300x200.jpg 300w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_nifty-150x100.jpg 150w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_nifty-768x513.jpg 768w\" sizes=\"auto, (max-width: 809px) 100vw, 809px\" \/><figcaption class=\"wp-element-caption\">Nifty\u5b9b\u3066OK<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"903\" src=\"https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_gmail-1024x903.jpg\" alt=\"\" class=\"wp-image-677\" srcset=\"https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_gmail-1024x903.jpg 1024w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_gmail-300x265.jpg 300w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_gmail-150x132.jpg 150w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_gmail-768x677.jpg 768w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_gmail.jpg 1034w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Gmail\u5b9b\u3066OK<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"261\" src=\"https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_ezweb-1024x261.jpg\" alt=\"\" class=\"wp-image-678\" srcset=\"https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_ezweb-1024x261.jpg 1024w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_ezweb-300x76.jpg 300w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_ezweb-150x38.jpg 150w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_ezweb-768x196.jpg 768w, https:\/\/www.sakanashi.mydns.jp\/wprss\/wp-content\/uploads\/2026\/01\/recieved_massage_ezweb.jpg 1072w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">ezweb\u5b9b\u3066OK<\/figcaption><\/figure>\n\n\n\n<p>SPF\/DMARC\/DKIM\u306e\u30c1\u30a7\u30c3\u30af\u304c\u30d1\u30b9\u3057\u305f\u3068\u3044\u3046\u60c5\u5831\u304c\u30d8\u30c3\u30c0\u306b\u4ed8\u52a0\u3055\u308c\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u3001\u81ea\u9bd6\u304b\u3089\u306e\u30e1\u30fc\u30eb\u304c\u9069\u5207\u306b\u51e6\u7406\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f55\u4ee3\u304b\u524d\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u3068\u304d\u306bOP25B\u306a\u308b\u3082\u306e\u304c\u3067\u3066\u304d\u3066Nifty\u306f\u3058\u3081\u3001mydns\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u3063\u305f\u3053\u3068\u304c\u3042\u308b\u304c\u3001\u305d\u306e\u969b\u306fOP25B\u5bfe\u5fdc\u3057\u3066\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u3088\u3046\u306b\u306a\u3063\u305f\u3002 \u304c\u3001\u3044\u3064\u3060\u3063\u305f\u304b\u518d\u3073\u3042\u3061\u3053\u3061\u306bmy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":526,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,21],"tags":[84,85,88,82,83,87,61,86,35,51],"class_list":["post-675","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pc_server","category-others","tag-dkim","tag-dmarc","tag-dns","tag-mydns","tag-op25b","tag-opendkim","tag-postfix","tag-spf","tag-ubuntu","tag-51"],"_links":{"self":[{"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/posts\/675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/comments?post=675"}],"version-history":[{"count":6,"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/posts\/675\/revisions"}],"predecessor-version":[{"id":684,"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/posts\/675\/revisions\/684"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/media\/526"}],"wp:attachment":[{"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/media?parent=675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/categories?post=675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sakanashi.mydns.jp\/wprss\/index.php\/wp-json\/wp\/v2\/tags?post=675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}