{"id":312,"date":"2010-08-20T16:30:29","date_gmt":"2010-08-21T01:30:29","guid":{"rendered":"\/blog\/?p=312"},"modified":"2023-09-21T09:39:01","modified_gmt":"2023-09-21T00:39:01","slug":"sendmail%ec%97%90-domainkey-%ec%a0%81%ec%9a%a9%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95","status":"publish","type":"post","link":"https:\/\/hasu0707.duckdns.org\/blog\/?p=312","title":{"rendered":"sendmail\uc5d0 Domainkey \uc801\uc6a9\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"\n

sendmail\uc5d0 Domainkey \uc801\uc6a9\ud558\ub294 \ubc29\ubc95<\/p>\n

\uc774 \ubb38\uc11c\ub294 sendmail \uc5d0 Yahoo! \uc758 ANTI SPAM \uc815\ucc45\uc778 Domain Key\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud55c\ub2e4. <\/p>\n

\uc791\uc131\uc790 : hasu0707@gmail.com<\/a><\/p>\n

\u25a0 \uc2dc\ud5d8 \ud658\uacbd<\/p>\n\n\n\n

\n1. CentOS 5.3 (\ucd5c\uc18c \uc124\uce58 \ud658\uacbd\uc5d0\uc11c Development Kit\ub9cc \ucd94\uac00\ub85c \uc124\uce58\ub41c \uc0c1\ud0dc)
\n
2. \uad6c\ucd95 \ubc0f \uc2dc\ud5d8\ud560 \ub3c4\uba54\uc778\uc740 esvali.com \uc774\ub2e4.
\n
3. sendmail\uc5d0 Domain Key\ub97c \uc801\uc6a9\ud558\uae30 \uc704\ud574\uc11c\ub294 DNS \ud658\uacbd \ub610\ud55c \ubcc0\uacbd\uc774 \ud544\uc694\ud558\ubbc0\ub85c \ub124\uc784\uc11c\ubc84\ud658\uacbd\uc744 \ud3b8\uc9d1\ud560 \uc218 \uc788\uc5b4\uc57c \ud55c\ub2e4.
\n<\/td><\/tr><\/tbody><\/table>\n

\u25a0 \uc900\ube44\uc0ac\ud56d<\/p>\n\n\n\n

\n1. sendmail-devel RPM \ud328\ud0a4\uc9c0 \ud30c\uc77c
\n
2. sendmail\uc6a9 domainkeys-milter (http:\/\/sourceforge.net\/projects\/dk-milter\/<\/a>)
\n
3. Berkeley DB \uac00 \ud544\uc694\ud558\ub098 sendmail\uc774 \ub3d9\uc791 \uc911\uc774\uba74 \ubcf4\ud1b5 \uc124\uce58\ub418\uc5b4 \uc788\ub2e4.
\n
4. openssl, sendmail\uc740 \uc774\ubbf8 \uc124\uce58\uac00 \ub418\uc5b4 \uc788\ub294 \uac83\uc73c\ub85c \uac04\uc8fc\ud55c\ub2e4.
\n<\/td><\/tr><\/tbody><\/table>\n

\u25a0 sendmail-devel\uacfc dk-milter \uc124\uce58<\/p>\n\n\n\n

\n1. sendmail-devel RPM\uc744 \uc124\uce58\ud55c\ub2e4. \n\n\n\n

\n# rpm \u2013Uvh sendmail-devel-8.13.8-8.el5.rpm
\n\ub610\ub294
\n# rpm \u2013Uvh \u2013nodeps sendmail-devel-8.13.8-8.el5.rpm
\n<\/td><\/tr><\/tbody><\/table>\n

2. domainkeys-milter\ub97c \ube4c\ub4dc\ud55c\ub2e4.<\/p>\n\n\n\n

\n\/work\uc5d0 \ub2e4\uc6b4\ub85c\ub4dc \ubc1b\uc740 dk-milter-1.0.2.tar.gz \ub97c \ub123\uace0 \uc555\ucd95\uc744 \ud47c \ud6c4 \ube4c\ub4dc\ud55c\ub2e4. \n

# cd dk-milter-1.0.2
\n# sh Build
\n....<\/p>\n

\ube4c\ub4dc\uac00 \ub05d\ub098\uba74 \uc124\uce58\ud55c\ub2e4.
\n# sh Build install
\n
<\/p><\/td><\/tr><\/tbody><\/table>
\n<\/td><\/tr><\/tbody><\/table>\n


\n\u25a0 public key\uc640 private key \uc0dd\uc131\ud558\uae30<\/p>\n\n\n\n

\n# openssl genrsa -out rsa.private 768 \n

# openssl rsa -in rsa.private -out rsa.public -pubout -outform PEM<\/p>\n

- \ub9cc\ub4e4\uc5b4\uc9c4 \uac1c\uc778 \ud0a4\ub97c \/var\/db\/domainkeys\uc5d0 mail.key.pem\uc774\ub780 \uc774\ub984\uc73c\ub85c \uc774\ub3d9\uc2dc\ud0a8\ub2e4.<\/p>\n

# mkdir -p \/var\/db\/domainkeys<\/p>\n

# mv rsa.private \/var\/db\/domainkeys\/mail.key.pem
\n<\/p><\/td><\/tr><\/tbody><\/table>\n

\u25a0 \ub124\uc784\uc11c\ubc84 \uc124\uc815\uc5d0 public key \uba85\uc2dc\ud558\uae30<\/p>\n\n\n\n

\n# cd \/var\/named\/chroot\/var\/named
\n# vi esvali.com
\n\ub3c4\uba54\uc778 \uc124\uc815\ud30c\uc77c\uc5d0 \uc544\ub798\uc640 \uac19\uc740 \ub0b4\uc6a9\uc744 \ucd94\uac00\ud574 \uc900\ub2e4.
\n
; \uc544\ub798 \ubd80\ubd84\uc744 \ucd94\uac00\ud55c\ub2e4. p=\uc5ec\uae30\uc5d0 BASE64 \uc778\ucf54\ub529\ub41c public key\ub97c \ub123\ub294\ub2e4.
\n; \uc704\uc5d0\uc11c \ub9cc\ub4e0 rsa.public\uc744 \ucc38\uc870\ud558\ub77c.
\nmail._domainkey IN      TXT     \"k=rsa; p=MEww......DAQAB\"
\n_domainkey      IN      TXT     \"t=y; o=~\"
\n<\/td><\/tr><\/tbody><\/table>\n

\u25a0 sendmail \uc5d0 domainkey milter \uc124\uc815\ud558\uae30<\/p>\n\n\n\n

\n1. \/etc\/mail\/sendmail.mc\uc5d0 \uc544\ub798 \ubd80\ubd84\uc744 \ucd94\uac00\ud574 \uc900\ub2e4. \n

INPUT_MAIL_FILTER(`dk-filter', `S=inet:8891@localhost')<\/p>\n

sendmail \uc7ac\uc2dc\uc791<\/p>\n

# \/etc\/rc.d\/init.d\/sendmail restart<\/p>\n

2. dk-filter\ub97c \uc544\ub798\uc640 \uac19\uc774 \uc2e4\ud589\ud55c\ub2e4.
\n(rc.local\uc5d0 \uc0bd\uc785\ud558\uc5ec \ub9e4 \ubd80\ud305 \uc2dc \ub9c8\ub2e4 \uc790\ub3d9\uc73c\ub85c \uc2e4\ud589\ub418\ub3c4\ub85d \ud574\uc900\ub2e4.)<\/p>\n

\/usr\/bin\/dk-filter -l -p inet:8891@localhost -c simple -d esvali.com -s \/var\/db\/domainskeys\/mail.key.pem -S mail -u hasu0707 -m MSA
\n
\u203b hasu0707\uc740 \uc2e4\ud589 \ub9ac\ub205\uc2a4 \uacc4\uc815\uc774\ubbc0\ub85c root\ub97c \uc81c\uc678\ud55c \ub2e4\ub978 \uacc4\uc815\uc73c\ub85c \uc0ac\uc6a9\ud558\uc5ec\ub3c4 \ubb34\ubc29\ud558\ub2e4.
\n<\/p><\/td><\/tr><\/tbody><\/table>\n

 \u25a0 \uc801\uc6a9 \uc2dc\ud5d8<\/p>\n\n\n\n

\n1. autorespond+dk@dk.elandsys.com<\/a> \uc73c\ub85c \uba54\uc77c\uc744 \ubcf4\ub0b4 \ubcf8\ub2e4. (\ub0b4\uc6a9\uc740 \uc0c1\uad00\uc5c6\ub2e4.) \n

2. \uc7a0\uc2dc \ud6c4 \ub2f5\uc7a5\uc774 \uc544\ub798\uc640 \uac19\uc774 \uc624\uba74 \uc131\uacf5\ud55c \uac83\uc774\ub2e4.<\/p>\n

The results are as follows:<\/p>\n

DomainKeys Signature validation: pass (testing) : \uc131\uacf5 !!
\nDomainKeys Policy: \"t=y\\; o=~\"<\/p>\n

DomainKeys Selector: mail
\n\"k=rsa\\;
\np=MEwwDQYJ...........DAQAB\"
\n.........
\n<\/p><\/td><\/tr><\/tbody><\/table>\n

\u25a0 dk-filter<\/p>\n\n\n\n

\ndk-filter - DomainKeys filter for sendmail \n

SYNOPSIS
\ndk-filter -p socketspec [-a peerlist] [-A] [-b modes] [-c canon] [-C
\nconfig] [-d domains] [-D] [-f] [-i ilist] [-I eilist] [-h] [-H] [-k]
\n[-l] [-m mtas] [-M macro[=value][,...]] [-o hdrlist] [-P pidfile] [-q]
\n[-R] [-s keyfile] [-S selector] [-T secs] [-u userid] [-U popdb] [-V]
\n<\/p><\/td><\/tr><\/tbody><\/table>
\n\u25a0 \ucc38\uace0 \uc790\ub8cc
\nhttp:\/\/domainkeys.sourceforge.net\/<\/a>
\nhttp:\/\/www.elandsys.com\/resources\/sendmail\/domainkeys.html<\/a>


<\/p>\n","protected":false},"excerpt":{"rendered":"

sendmail\uc5d0 Domainkey \uc801\uc6a9\ud558\ub294 \ubc29\ubc95 \uc774 \ubb38\uc11c\ub294 sendmail \uc5d0 Yahoo! \uc758 ANTI SPAM \uc815\ucc45\uc778 Domain Key\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud55c\ub2e4. \uc791\uc131\uc790 : hasu0707@gmail.com \u25a0 \uc2dc\ud5d8 \ud658\uacbd 1. CentOS 5.3 (\ucd5c\uc18c \uc124\uce58 \ud658\uacbd\uc5d0\uc11c Development Kit\ub9cc \ucd94\uac00\ub85c \uc124\uce58\ub41c \uc0c1\ud0dc) 2. \uad6c\ucd95 \ubc0f \uc2dc\ud5d8\ud560 \ub3c4\uba54\uc778\uc740 esvali.com \uc774\ub2e4. 3. sendmail\uc5d0 Domain Key\ub97c \uc801\uc6a9\ud558\uae30 \uc704\ud574\uc11c\ub294 DNS \ud658\uacbd \ub610\ud55c \ubcc0\uacbd\uc774 \ud544\uc694\ud558\ubbc0\ub85c […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","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":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[39],"tags":[],"class_list":["post-312","post","type-post","status-publish","format-standard","hentry","category-os_linux_unix_macos"],"_links":{"self":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=312"}],"version-history":[{"count":0,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/312\/revisions"}],"wp:attachment":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}