{"id":11301,"date":"2026-07-03T16:26:56","date_gmt":"2026-07-03T07:26:56","guid":{"rendered":"https:\/\/www.k-in.co.jp\/niwakan\/?p=11301"},"modified":"2026-07-06T11:34:43","modified_gmt":"2026-07-06T02:34:43","slug":"dovecot%e3%81%aelog%e3%82%92%e3%83%81%e3%82%a7%e3%83%83%e3%82%af%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2026\/07\/11301\/","title":{"rendered":"macOS\u4e0a\u306eDovecot\u306e\u8a2d\u5b9a\u306f\u7279\u6b8a\u3060\u3063\u305f"},"content":{"rendered":"<p>postfix\u95a2\u4fc2\uff08smtp &#038; submission\uff09\u306eaccess\u5236\u9650\u304c\u51fa\u6765\u4e0a\u304c\u3063\u305f\u306e\u3067\u3001\u4eca\u5ea6\u306fdovecot\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u306b\u3002<br \/>\n\u5148\u305aerror.log\u306e\u30c1\u30a7\u30c3\u30af\u3002<br \/>\n\u4e2d\u8eab\u3092\u898b\u3066\u9a5a\u3044\u305f\u3002\u7570\u5e38\u306aaccess\u304c\u6ca2\u5c71\u767a\u751f\u3057\u3066\u3044\u308b\u3001\u305d\u308c\u3082\u5185\u90e8\u304b\u3089\u3002<br \/>\n<!--more--><\/p>\n<p>\u30ed\u30b0\u3068\u3057\u3066\u306f\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">2026-07-02 05:39:15 imap(WordPress)<16673><bRNWr5JVj+bAqAAk>: Fatal: setregid(510(vmail),6(mail)) failed with euid=509(admin): Operation not permitted\r\npermitted<\/pre>\n<p>\u3053\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001Gemini\u3055\u3093\u306b\u76f8\u8ac7\u3059\u308b\uff08\u3044\u3064\u3082\u306e\u6d41\u308c\u3060\uff09\u304c\u89e3\u6c7a\u3057\u306a\u3044\u3002<br \/>\nGemini\u3055\u3093\u306e\u5fdc\u7b54\u3082\u304a\u304b\u3057\u306a\u65b9\u5411\u3078\u3068\u9032\u3093\u3067\u3044\u304f\u3002<br \/>\n\u6570\u6642\u9593\u304c\u7d4c\u904e\u3002\u9032\u307f\u5177\u5408\u306f\u5168\u304f\u306a\u3057\u3002<\/p>\n<p>\u5225\u30bf\u30d6\u3067Google AI\u3055\u3093\u306b\u805e\u3044\u305f\u3002<\/p>\n<div style=\"background: #F2EAD4; padding: 15px; border: 0px solid #F2EAD4; border-radius: 10px; word-break: break-all;\">\n<strong>\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u306e\u304b\uff08\u539f\u56e0\uff09<\/strong><br \/>\nDovecot \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3067\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306b\u300c1\u3064\u306e IMAP \u30d7\u30ed\u30bb\u30b9\u3092\u4f7f\u3044\u56de\u3057\u3066\u3001\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u63a5\u7d9a\u3092\u51e6\u7406\u3059\u308b\u300d\u6319\u52d5\uff08service_count = 0\uff09\u3092\u3068\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u6700\u521d\u306b admin \u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3001IMAP \u30d7\u30ed\u30bb\u30b9\u304c UID 509 (admin) \u306b\u5207\u308a\u66ff\u308f\u308a\u307e\u3059\u3002<\/li>\n<li>\u6b21\u306b WordPress \u30e6\u30fc\u30b6\u30fc\u304c\u540c\u3058 IMAP \u30d7\u30ed\u30bb\u30b9\u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/li>\n<li>\u3059\u3067\u306b admin \u6a29\u9650\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u3001root \u6a29\u9650\u3092\u6301\u305f\u306a\u3044\u305f\u3081\u3001\u5225\u306e UID 510 (vmail) \u3078\u518d\u5207\u308a\u66ff\u3048\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\t\u305d\u306e\u7d50\u679c\u3001\u3053\u306e Fatal: setuid&#8230; failed \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/div>\n<p>\u3053\u3093\u306a\u3053\u3068\u77e5\u3089\u306a\u304b\u3063\u305f\u3088\u3002\uff08\u6d99\uff09<\/p>\n<p><strong>\u5bfe\u5fdc\u6cd5\u306e\u89e3\u8aac\u3067\u3059\u3088\u3002<\/strong><br \/>\n<strong>10-master.conf<\/strong>\u3092\u7de8\u96c6\u3059\u308b\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">sudo nano \/opt\/local\/etc\/dovecot\/conf.d\/10-master.conf<\/pre>\n<p>\u79c1\u306e\u5834\u5408vi\u306a\u306e\u3067\u7f6e\u304d\u63db\u3048\u3066\u3001\u7de8\u96c6\u3059\u308b\u3051\u308c\u3069\u306d\u3002<\/p>\n<p>\u3069\u3053\u3092\u7de8\u96c6\u3059\u308b\u306e\u304b\u3002<br \/>\n\u3053\u3053\uff08service_count\uff09\u3067\u3059\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">service imap {\r\n  # 1\u63a5\u7d9a\u3054\u3068\u306b\u30d7\u30ed\u30bb\u30b9\u3092\u7d42\u4e86\u3055\u305b\u3001\u4f7f\u3044\u56de\u3057\u3092\u9632\u3050\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u8907\u6570UID\u74b0\u5883\u306e\u4e92\u63db\u6027\u306e\u305f\u3081\uff09\r\n  service_count = 1\r\n\r\n  # \u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u540c\u6642\u306b\u8d77\u52d5\u3067\u304d\u308b\u30d7\u30ed\u30bb\u30b9\u4e0a\u9650\u3092\u5897\u3084\u3057\u3066\u304a\u304d\u307e\u3059\r\n  process_limit = 1024\r\n}<\/pre>\n<p>\u3064\u307e\u308a\u3001\u5143\u3005service_count\u306f256\u3068\u304b\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u308c\u3060\u3051\u4f7f\u3044\u56de\u3059\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">% ps ax |grep imap\r\n37836   ??  S      0:00.00 dovecot\/imap\r\n37840   ??  S      0:00.00 dovecot\/imap\r\n39554   ??  S      0:00.01 dovecot\/imap [WordPress 192.168.0.36]\r\n<\/pre>\n<p>dovecot\/imap\u304c\u305a\u3089\u305a\u3089\u51fa\u3066\u304d\u307e\u3059\u306d\u3002\u3053\u308c\u3067\u3059\u3002<br \/>\n\u554f\u984c\u3068\u306a\u3063\u305f\u306e\u306f<strong>dovecot\/imap [WordPress 192.168.0.36]<\/strong>\u3092\u4f7f\u3044\u56de\u305b\u306a\u304b\u3063\u305f\u3053\u3068\u3002<br \/>\n\u3053\u3046\u3044\u3063\u305fdovecot\/imap\u306e\u5bff\u547d\u30921\u306b\u3057\u3066\u3001\u8ab0\u304b\u304c\u4f7f\u3063\u305f\u3089\u843d\u3068\u3059\u3002\u3064\u307e\u308a<strong>\u4f7f\u3044\u6368\u3066<\/strong>\u306b\u3059\u308b\u3063\u3066\u3053\u3068\u3067\u3059\u306d\u3002<br \/>\n\u305d\u306e\u5206\u3001\u6ca2\u5c71\u7acb\u3061\u4e0a\u3052\u3066\u304a\u3051\u3070\u5bfe\u5fdc\u3067\u304d\u308b\u3060\u308d\u3046\u304b\u3089<strong>process_limit = 1024<\/strong>\u3067\u6700\u5927\u6570\u3092\u5897\u3084\u3057\u3066\u304a\u3053\u3046\u3063\u3066\u3053\u3068\u3067\u3059\u306d\u3002<br \/>\n\u5224\u308a\u6613\u3044\u8aac\u660e\u3067\u3059\u306d\u3002\u3046\u3093\u3001AI\u3055\u3093\u7d20\u6674\u3089\u3057\u3044\u3002<br \/>\n\u305d\u308c\u306b\u3001\u3053\u308c\u5b9f\u306f\u30a8\u30e9\u30fc\u3092\u8d77\u3053\u3057\u305f\uff08\u5225\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u4f7f\u3063\u305f\uff09\u9014\u7aef\u3001dovecot\/imap\u306f\u843d\u3061\u308b\u304b\u3089\u5b9f\u8cea\u540c\u3058\u3053\u3068\u306a\u3093\u3067\u3059\u3088\u306d\u3002<\/p>\n<p>Gemini\u3055\u3093\u306f\u300c\u666e\u901a\u3084\u3089\u306a\u3044\u8a2d\u5b9a\u300d\u3060\u304b\u3089\u8003\u3048\u3082\u3057\u306a\u304b\u3063\u305f\u3089\u3057\u3044\u3002<br \/>\n\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u8cac\u3081\u3089\u308c\u306a\u3044\u3001macOS\u306e\u56fa\u6709\u306e\u6761\u4ef6\u4e0b\u3060\u3082\u306e\u3002Linux\u3067\u306f\u7d76\u5bfe\u306b\u8d77\u3053\u3089\u306a\u3044\u3089\u3057\u3044\u3002\uff08\u79c1\u306f\u77e5\u3089\u3093\u3088\uff09<\/p>\n<p>\u304a\u852d\u3067\u30ed\u30b0\u306f\u30b9\u30c3\u30ad\u30ea\u3057\u307e\u3057\u305f\u3002<br \/>\n\u826f\u304b\u3063\u305f\u3001\u826f\u304b\u3063\u305f\u3002<\/p>\n<p>\u305d\u306e\u5f8cport scanner\u304c\u898b\u3064\u304b\u3063\u305f\u306e\u3067PF\u306b\u3076\u3061\u8fbc\u3093\u3067\u304a\u304d\u307e\u3057\u305f\u3002<br \/>\n\u305d\u306e\u6642\u306escript\u8f09\u305b\u3068\u304d\u307e\u3057\u3087\u3046\u304b\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"add_pf_dovecot.sh\">grep \"failed\" \/opt\/local\/var\/log\/dovecot\/info.log | grep -oE \"\\b([0-9]{1,3}\\.){3}[0-9]{1,3}\\b\"| grep -v \"192\\.168\\.[0-9]\" | grep -v\"49.96.23[2-9]\" | sort -u | pfctl -t murus.blacklist -T add -f -<\/pre>\n<p>\u89e3\u8aac\u3044\u308b\u304b\u306a\uff1f<br \/>\n1\u756a\u76ee\u306egrep\u3067failed\u306e\u884c\u3092\u62fe\u3063\u3066<br \/>\n2\u756a\u76ee\u306egrep\u3067ip\u62bd\u51fa\u3057\u3066\uff08\u3053\u3053\u306fGemini\u3055\u3093\u304c\u9811\u5f35\u3063\u305f\u3068\u3053\u308d\u3067\u3059\u3088\uff09<br \/>\n3\u756a\u76ee\u306egrep\u3067local\u3092\u9664\u3044\u3066<br \/>\n4\u756a\u76ee\u306egrep\u3067docomo\u56de\u7dda\u306eip\u9664\u3044\u3066\uff08\u3053\u3053\u306f\u81ea\u5206\u306e\u4f7f\u3063\u3066\u3044\u308bip range\u306b\u5408\u308f\u305b\u3066\u306d\uff09<br \/>\nsort -u\u3067\u91cd\u8907\u9664\u3044\u3066\u3001\u6700\u5f8c\u306b\u51fa\u3066\u304d\u305fip\u306f\u5168\u90e8\u7e8f\u3081\u3066pfctl\u306b\u9001\u308a\u8fbc\u3080<br \/>\n\u4ee5\u4e0a\u3067\u3059\u3002<br \/>\n\u3053\u308c\u3092\/usr\/local\/sbin\u306b\u3067\u3082add_pf_dovecot.sh\u3068\u304b\u9069\u5f53\u306b\u540d\u524d\u3064\u3051\u3066\u7f6e\u3044\u3066\u304a\u3051\u3070sudo \/user\/local\/sbin\/add_pf_dovecot.sh\u3067\u53e9\u3044\u3066\u6765\u305f\u5974\u3092\u8ffd\u3044\u51fa\u305b\u307e\u3059\u3088\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>postfix\u95a2\u4fc2\uff08smtp &#038; submission\uff09\u306eaccess\u5236\u9650\u304c\u51fa\u6765\u4e0a\u304c\u3063\u305f\u306e\u3067\u3001\u4eca\u5ea6\u306fdovecot\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u306b\u3002 \u5148\u305aerror.log\u306e\u30c1\u30a7\u30c3\u30af\u3002 \u4e2d\u8eab\u3092\u898b\u3066\u9a5a\u3044\u305f\u3002\u7570\u5e38\u306aaccess\u304c\u6ca2 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2026\/07\/11301\/\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;macOS\u4e0a\u306eDovecot\u306e\u8a2d\u5b9a\u306f\u7279\u6b8a\u3060\u3063\u305f&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/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":[246,115],"tags":[177,83,176],"class_list":["post-11301","post","type-post","status-publish","format-standard","hentry","category-my-macmini-server","category-software","tag-dovecot","tag-macos","tag-mail"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11301","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=11301"}],"version-history":[{"count":6,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11301\/revisions"}],"predecessor-version":[{"id":11312,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11301\/revisions\/11312"}],"wp:attachment":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media?parent=11301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/categories?post=11301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/tags?post=11301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}