{"id":11730,"date":"2026-08-07T10:55:43","date_gmt":"2026-08-07T01:55:43","guid":{"rendered":"https:\/\/www.k-in.co.jp\/niwakan\/?p=11730"},"modified":"2026-08-07T12:04:17","modified_gmt":"2026-08-07T03:04:17","slug":"dkim-signature%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%97%e3%81%9f%e3%81%84","status":"publish","type":"post","link":"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2026\/08\/11730\/","title":{"rendered":"DKIM-Signature\u3092\u8868\u793a\u3057\u305f\u3044"},"content":{"rendered":"

\u30e1\u30fc\u30eb\u306e\u30d8\u30c3\u30c0\u30fc\u306bDKIM-Signature\u3092\u8868\u793a\u3057\u305f\u3044\u3002
\n\u306a\u306e\u3067\u3001opendkim\u306e\u5468\u56f2\u3092\u304a\u3055\u3089\u3044\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002
\n<\/p>\n

\u5148\u305a\u306fGemini\u3055\u3093\u306b\u76f8\u8ac7\u3059\u308b\u3002
\n\u3060\u3063\u3066\u4f55\u304c\u4f55\u3060\u304b\u5224\u3089\u306a\u3044\u306e\u3060\u3082\u306e\u3001\u4ed5\u65b9\u304c\u7121\u3044\u3093\u3060\u3002
\nopendkim\u306f\u4e00\u5ea6\u8a2d\u5b9a\u3059\u308b\u3060\u3051\u3067\u3001background\u3067\u52d5\u304b\u3059\u3082\u306e\u3060\u3068\u306f\u601d\u3063\u3066\u3082\u3044\u306a\u304b\u3063\u305f\u3093\u3060\u3088\u3002
\n\u6700\u521d\u306b\u7d50\u679c\u3092\u66f8\u304f\u3002
\nopendkim.conf\u306f\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u3063\u305f\u3002<\/p>\n

Canonicalization\trelaxed\/simple\r\nDomain\t\t\tk-in.co.jp\r\nExternalIgnoreList\t\/opt\/local\/var\/db\/opendkim\/TrustedHosts\r\nInternalHosts\t\t\/opt\/local\/var\/db\/opendkim\/TrustedHosts\r\nKeyFile\t\t\t\/opt\/local\/var\/db\/opendkim\/default.private\r\nKeyTable\t\t\/opt\/local\/var\/db\/opendkim\/keytable\r\nMacroList\t\tdaemon ORIGINATING\r\nMode\t\t\tsv\r\nReportAddress\t\t\"DKIM Error Postmaster\" \r\nSelector\t\tdefault\r\nSigningTable\t\t\/opt\/local\/var\/db\/opendkim\/SigningTable\r\nSocket\t\t\tlocal:\/opt\/local\/var\/run\/opendkim\/opendkim.sock\r\nSyslog\t\t\tYes\r\nSyslogFacility\t\tlocal5\r\nUserID\t\t\t_postfix<\/pre>\n
SyslogFacility\u306f\u5143\u3005mail\u3060\u3063\u305f\u3051\u308c\u3069\u3001local5\u306b\u5909\u66f4\u3002
\nMacroList\u306edaemon ORIGINATING<\/strong>\u306fdaemon:ORIGINATING\uff08\u30b3\u30ed\u30f3\u3067\u7e4b\u3050\uff09\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002
\n\u3053\u3053\uff08\u30b3\u30ed\u30f3\u631f\u3093\u3060\uff09\u306fAI\u3055\u3093\u3082\u9593\u9055\u3048\u305f\u3088\u3002\u3060\u304b\u3089\u5931\u6557\u3057\u3066\u3082\u5927\u4e08\u592b\u3002<\/p>\n
\u3053\u308c\u3067\/etc\/syslog.conf\u306b\u8a2d\u5b9a\u3057\u3066\u304a\u3051\u3070\u72ec\u7acb\u3057\u305f\u30ed\u30b0\u304c\u53d6\u308c\u308b\u7b48\u3002<\/p>\n
local5\t\t\t\t\/opt\/local\/var\/log\/opendkim\/opendkim.log<\/pre>\n
\u53d6\u308c\u3066\u3044\u306a\u3044\u3093\u3060\u3051\u308c\u3069\u306d\u2026\u2026\u4f55\u6545\u306b\uff1f<\/p>\n
postfix\/main.ct\u306b\u8ffd\u52a0\u3057\u305f\u306e\u306f\u3053\u3053\u3002\uff08\u3060\u3051\u3060\u3063\u305f\u3068\u601d\u3046\uff09<\/p>\n
smtpd_milters = unix:\/opt\/local\/var\/run\/opendkim\/opendkim.sock\r\nnon_smtpd_milters = $smtpd_milters\r\nmilter_default_action = accept<\/pre>\n
postfix\/master.cf\u306b\u8ffd\u52a0\u3057\u305f\u306e\u306fsubmission\u306e2\u884c\u3002<\/p>\n
submission inet n       -       n       -       -       smtpd\r\n  -o smtpd_milters=unix:\/opt\/local\/var\/run\/opendkim\/opendkim.sock\r\n  -o milter_macro_daemon_name=ORIGINATING<\/pre>\n
\u3053\u308c\u3060\u3068\u672a\u3060\u52d5\u304b\u306a\u3044\u3002
\n\u4f55\u6545\u304blog\u306b\u51fa\u306a\u3044\u306e\u3067\u3001\u5bfe\u5fdc\u3082\u53d6\u308c\u306a\u3044\u3093\u3060\u308f\u3002<\/p>\n
Google AI\u3055\u3093\u306b\u5c0b\u306d\u305f\u3068\u3053\u308d\u3001\u3053\u306e\u69d8\u306a\u5bfe\u5fdc\u7b56\u3092\u51fa\u3057\u3066\u304f\u308c\u305f\u3002<\/p>\n
    \n
  1. opendkim.conf\u306bMacroList daemon ORIGINATING\u304c\u7121\u304b\u3063\u305f\u3002
    \n\u306a\u306e\u3067\u3001postfix\u304b\u3089\u306e\u8d77\u52d5\u6307\u793a\u3092\u53d7\u3051\u53d6\u308c\u306a\u3044\u3002<\/li>\n
  2. owner\u304c\u9055\u3063\u3066\u3044\u305f\u3002
    \nsudo chown -R _postfix:_postfix \/opt\/local\/var\/db\/opendkim
    \nsudo chown -R _postfix:_postfix \/opt\/local\/var\/db\/opendkim\/*
    \n\u4ee5\u4e0b\u306fowner\u304c_postfix\u3067\u306a\u3044\u3068opendkim\u304c\u4e2d\u8eab\u3092\u8aad\u3081\u306a\u3044<\/li>\n
  3. SigningTable\u304c\u7a7a\u3060\u3063\u305f\u3002
    \nk-in.co.jp default._domainkey.k-in.co.jp
    \n\u304c\u5fc5\u8981<\/li>\n<\/ol>\n
    \u4ed6\u306b\u3082\u3042\u3063\u305f\u304b\u3082\u3002<\/p>\n
    1\u756a\u76ee\u306f\u3001master.cf\u306emilter_macro_daemon_name=ORIGINATING<\/strong>\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002
    \npostfix\u304copendkim\u3092\u547c\u3073\u51fa\u3059\u6642\u306bORIGINATING\u3092\u9001\u308a\u3001opendkim\u304c\u305d\u308c\u3092\u53d7\u3051\u308b\u3068DKIM-Signature\u3092\u51fa\u529b\u3059\u308b\u3089\u3057\u3044\u3002
    \n2\u756a\u76ee\u306f\u3001opendkim.conf\u306e\u8a2d\u5b9aUserID _postfix<\/strong>\u304c\u7d61\u3093\u3067\u3044\u308b\u3002
    \n\u3064\u307e\u308a\u3001opendkim\u306f_user _postfix\u3067\u52d5\u3044\u3066\u3044\u308b\u306e\u3060\u3002\u3060\u304b\u3089\u5f53\u7136\u3067\u3042\u308b\u3002
    \n3\u756a\u76ee\u306f\u3001SigningTable\u304c\u7a7a\u3060\u3063\u305f\u304b\u3089\u4f55\u304b\u5165\u308c\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3002
    \n\u7b54\u3048\u306fAI\u3055\u3093\u304c\u793a\u3057\u3066\u304f\u308c\u305f\u901a\u308a\u3067\u3042\u308b\u3002<\/p>\n
    opendkim\u306e\u4e2d\u8eab\u306f\u3053\u3093\u306a\u98a8\u3002<\/p>\n
    % ls -l \/opt\/local\/var\/db\/opendkim\/\r\ntotal 40\r\n-rw-r--r--  1 _postfix  _postfix   86  8  6 17:51 SigningTable\r\n-rw-r--r--  1 _postfix  _postfix   51  8  6 10:40 TrustedHosts\r\n-rw-------  1 _postfix  _postfix  916  4 17 11:37 default.private\r\n-rw-------  1 _postfix  _postfix  319  4 17 11:37 default.txt\r\n-rw-r--r--  1 _postfix  _postfix  168  8  6 12:47 keytable<\/pre>\n
    default.private\u306f\u79d8\u5bc6\u9375\u3002
    \ndefault.txt\u306f\u516c\u958b\u9375\u3002
    \nTrustedHosts\u306f\u300c\u7f72\u540d\u3092\u8a31\u53ef\u3059\u308b\u9001\u4fe1\u5143\uff08\u4fe1\u983c\u3059\u308b\u30db\u30b9\u30c8\/IP\uff09\u300d \u3092\u6307\u5b9a\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3002<\/p>\n
    ::1\r\n127.0.0.1\r\nlocalhost\r\nk-in.co.jp\r\n192.168.0.0\/24<\/pre>\n
    SigningTable\u306f\u300c\u3069\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u3001\u3069\u306e\u9375\uff08KeyTable\u306e\u9375\uff09\u3092\u4f7f\u3063\u3066\u7f72\u540d\u3059\u308b\u304b\u300d \u3092\u7d50\u3073\u3064\u3051\u308b\u30eb\u30fc\u30eb\u30d5\u30a1\u30a4\u30eb\u3002<\/p>\n
    k-in.co.jp default._domainkey.k-in.co.jp<\/pre>\n
    keytable\u306f\u300c\u4f7f\u7528\u3059\u308b\u79d8\u5bc6\u9375\u306e\u7f6e\u304d\u5834\u3068\u60c5\u5831\u306e\u30ea\u30b9\u30c8\u300d \u3092\u5b9a\u7fa9\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3002<\/p>\n
    # [\u30ad\u30fc\u540d]  [\u30c9\u30e1\u30a4\u30f3]:[\u30bb\u30ec\u30af\u30bf\u540d]:[\u79d8\u5bc6\u9375\u306e\u30d5\u30eb\u30d1\u30b9]\r\ndefault._domainkey.k-in.co.jp k-in.co.jp:default:\/opt\/local\/var\/db\/opendkim\/default.private<\/pre>\n
    \u3053\u3053\u307e\u3067\u3057\u3066opendkim\u3092\u518d\u8d77\u52d5\u3002<\/p>\n
    % ls -l \/opt\/local\/var\/run\/opendkim\/\r\ntotal 0\r\nsrwxr-xr-x  1 _postfix  wheel  0  8  6 18:13 opendkim.sock=<\/pre>\n
    \u4eca\u307e\u3067\u7acb\u3061\u4e0a\u304c\u3089\u306a\u304b\u3063\u305fopendkim\u304copendkim.sock\u3092\u4f5c\u308a\u3001postfix\u3068\u901a\u4fe1\u3067\u304d\u308b\u69d8\u306b\u306a\u3063\u305f\u3002<\/p>\n
    \u3068\u4e91\u3046\u3053\u3068\u3067\u3001\u7d50\u679c\u3001\u51fa\u307e\u3057\u305f\u3063\uff01<\/p>\n
    DKIM-Signature: v=1; a=rsa-sha256; c=relaxed\/simple; d=k-in.co.jp;\r\n\ts=default; t=1786007611;\r\n\tbh=RDtbEYYacJtBNo8yXYDVJ5BCvHYwlgM36eoGMmiVv+I=;\r\n\th=From:Date:Subject:To;\r\n\tb=dvNvU\/ucXVSm2rPY7Okrl9YIr0cS8Ft3AKPiBuTthoeXF30\/gXau\/0xImY5YMEBcb\r\n\t fYGhgSikzw8NYEEIW9dUnVfBwEJzqJMyZtz1gu3aMqcsaE2KUvQTdPv02Z7XM8pkE4\r\n\t OSNuTWrZt57Kw2E2i\/KxlWX\/cp0Xt\/qLS9rHq+l8=<\/pre>\n
    \u672a\u3060\u3001\u30ed\u30b0\u306f\u51fa\u306a\u3044\u3002
    \n\u3053\u3053\u3067AI\u3055\u3093\u306b\u805e\u3044\u305f\u3002\uff08\u5168\u90e8\u805e\u3044\u3061\u3083\u3046\uff09<\/p>\n
    syslog.conf\u306f
    \n1\uff0e\u30bf\u30d6\u533a\u5207\u308a\u3058\u3083\u7121\u3044\u3068\u52d5\u304b\u306a\u3044
    \n2\uff0e\u30d7\u30e9\u30a4\u30aa\u30ea\u30c6\u30a3\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u52d5\u304b\u306a\u3044
    \n3\uff0e\u518d\u8d77\u52d5\u3057\u306a\u3044\u3068\u53cd\u6620\u3055\u308c\u306a\u3044<\/div>\n
    \u306e\u3060\u305d\u3046\u3067\u3059\u3002
    \n\u305d\u3057\u3066\u3001sudo killall -HUP syslogd<\/strong>\u306a\u3093\u3066\u65b9\u6cd5\u3082\u3042\u308b\u306e\u306d\u3002\uff08\u610f\u5473\u306f\u5224\u3089\u306a\u3044\u304c\u3001\u3053\u308c\u3067\u826f\u3044\u3089\u3057\u3044\uff09
    \n\u5e8f\u3067\u306b\u8a73\u3057\u304f\u6559\u3048\u3066\u8cb0\u3063\u305f\u3002<\/p>\n
    \u306a\u305c\u4eca\u56de\u306e local5.* \u306f\u30bf\u30d6\u3058\u3083\u306a\u3044\u3068\u30c0\u30e1\u306a\u306e\u304b\uff1f
    \n\u7406\u7531\u306f\u3001MacPorts\u3068\u3044\u3046\u300c\u5916\u90e8\u74b0\u5883\u300d\u304b\u3089\u3001macOS\u306e\u300c\u5185\u90e8\u30b7\u30b9\u30c6\u30e0\uff08syslogd\uff09\u300d\u3078\u3001\u72ec\u81ea\u306b\u5b9a\u7fa9\u3057\u305f\u30ed\u30b0\uff08local5\uff09\u3092\u6a4b\u6e21\u3057\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002
    \nApple\u7d14\u6b63\u3067\u306f\u306a\u3044\u30ab\u30b9\u30bf\u30e0\u30d5\u30a1\u30b7\u30ea\u30c6\u30a3\uff08local5\uff09\u3092\u8ffd\u8a18\u3059\u308b\u5834\u5408\u3001syslogd\u306e\u89e3\u91c8\u30d1\u30fc\u30b5\u30fc\uff08\u6587\u5b57\u3092\u8aad\u307f\u53d6\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\uff09\u304c\u53e4\u3044BSD\u4f1d\u7d71\u306e\u53b3\u683c\u306a\u30e2\u30fc\u30c9\u3067\u52d5\u4f5c\u3057\u3066\u3057\u307e\u3044\u3001\u30b9\u30da\u30fc\u30b9\u304c\u542b\u307e\u308c\u305f\u77ac\u9593\u306b\u300c\u4e0d\u6b63\u306a\u69cb\u6587\u300d\u3068\u3057\u3066\u51e6\u7406\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u3066\u3057\u307e\u3046\u6027\u8cea\u304c\u3042\u308a\u307e\u3059\u3002
    \n\u307e\u305f\u3001MacPorts\u5074\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\uff08install.*\uff09\u304c\u30bf\u30d6\u533a\u5207\u308a\u3067\u8a2d\u5b9a\u3092\u751f\u6210\u3057\u3066\u3044\u305f\u306e\u3082\u3001\u6b74\u53f2\u7684\u306b\u300c\u30bf\u30d6\u3067\u66f8\u304f\u306e\u304c\u4e00\u756a\u78ba\u5b9f\u306b\u52d5\u304f\uff08\u5b89\u5168\u724c\uff09\u300d\u3068\u3044\u3046UNIX\u306e\u9244\u5247\u3092\u5fe0\u5b9f\u306b\u5b88\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/div>\n
    \u8272\u3005\u3084\u3063\u3066\u307f\u305f\u3051\u308c\u3069\u3001syslog\u304b\u3089\u306e\u79fb\u52d5\uff08\u3068\u8a00\u3046\u3088\u308asyslog\u306b\u51fa\u3066\u3053\u306a\u3044\uff09\u306f\u5c11\u3005\u624b\u5f37\u3044\u306e\u3067\u3001\u653e\u7f6e\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n
    \u6b21\u306fOpenDMARK\u306b\u6311\u6226\u3059\u308b\u304b\u3002
    \n\u3068\u601d\u3063\u305f\u3068\u3053\u308d\u3067\u3001MacPorts\u306b\u306fOpenDMARK\u3082OpenSPF\u306e\u306a\u304b\u3063\u305f\u306e\u3067\u3057\u305f\u3002
    \n\u3061\u3083\u3093\u3061\u3083\u3093\u3002\uff08\u7b11\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u30e1\u30fc\u30eb\u306e\u30d8\u30c3\u30c0\u30fc\u306bDKIM-Signature\u3092\u8868\u793a\u3057\u305f\u3044\u3002 \u306a\u306e\u3067\u3001opendkim\u306e\u5468\u56f2\u3092\u304a\u3055\u3089\u3044\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[246],"tags":[258,175],"class_list":["post-11730","post","type-post","status-publish","format-standard","hentry","category-my-macmini-server","tag-opendkim","tag-postfix"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/comments?post=11730"}],"version-history":[{"count":7,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11730\/revisions"}],"predecessor-version":[{"id":11741,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11730\/revisions\/11741"}],"wp:attachment":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media?parent=11730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/categories?post=11730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/tags?post=11730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}