{"id":8892,"date":"2026-02-27T11:46:08","date_gmt":"2026-02-27T02:46:08","guid":{"rendered":"https:\/\/hasu0707.duckdns.org\/blog\/?p=8892"},"modified":"2026-02-27T13:05:19","modified_gmt":"2026-02-27T04:05:19","slug":"dkim-%ed%82%a4-%ec%83%9d%ec%84%b1-%eb%b0%8f-%ec%a0%81%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/hasu0707.duckdns.org\/blog\/?p=8892","title":{"rendered":"DKIM \ud0a4 \uc0dd\uc131 \ubc0f \uc801\uc6a9"},"content":{"rendered":"\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1. \ud0a4 \uc0dd\uc131 (Selector \uba85\uc744 mail123456\uc73c\ub85c \uc815\uc758\ud55c \uacbd\uc6b0)\n  mkdir -p \/etc\/opendkim\/keys\/mydomain.com\n  cd \/etc\/opendkim\/keys\/mydomain.com\n  opendkim-genkey -b 2048 -d mydomain.com -s mail123456\n    \u261email123456.txt \ud30c\uc77c \ub0b4\uc6a9\uc744 \ub124\uc784\uc11c\ubc84 DKIM \ubd80\ubd84\uc5d0 \uc801\uc6a9\n  chown -R opendkim:opendkim \/etc\/opendkim\/keys\/mydomain.com\n  chmod 600 mail123456.private\n\n2. opendkim \uc124\uc815\n  vi \/etc\/opendkim.conf\n-----\nDomain   mydomain.com\nSelector mail123456\nKeyFile  \/etc\/opendkim\/keys\/mydomain.com\/mail123456.private\n\nKeyTable      \/etc\/opendkim\/KeyTable\nSigningTable  refile:\/etc\/opendkim\/SigningTable\nInternalHosts \/etc\/opendkim\/InternalHosts\n\nUserID opendkim:opendkim\nCanonicalization relaxed\/relaxed\n-----\n\n  vi \/etc\/opendkim\/KeyTable\n-----\nmail123456._domainkey.mydomain.com mydomain.com:mail123456:\/etc\/opendkim\/keys\/mydomain.com\/mail123456.private\n-----\n\n  vi \/etc\/opendkim\/SigningTable\n-----\n*@mydomain.com mail123456._domainkey.mydomain.com\n-----\n\n  vi \/etc\/opendkim\/InternalHosts\n-----\n127.0.0.1\nlocalhost\n121.170.221.42\n119.196.53.221\n10.10.10.0\/24\n-----\n  chown -R opendkim:opendkim \/etc\/opendkim\n\n3. \uc7ac\uc2dc\uc791\n  systemctl restart opendkim\n  systemctl restart postfix\n\n4. \ud14c\uc2a4\ud2b8\n  opendkim -n -x \/etc\/opendkim.conf\n  opendkim-testkey -d mydomain.com -s mail123456 -vvv<\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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