{"id":67,"date":"2007-03-23T16:29:17","date_gmt":"2007-03-23T16:29:17","guid":{"rendered":"http:\/\/newblog.mix1009.net\/?p=67"},"modified":"2007-03-23T16:29:17","modified_gmt":"2007-03-23T16:29:17","slug":"%ed%99%94%ec%9d%b4%ed%8a%b8%eb%8f%84%eb%a9%94%ec%9d%b8-spf-rbl-postfix","status":"publish","type":"post","link":"https:\/\/mix1009.net\/?p=67","title":{"rendered":"\ud654\uc774\ud2b8\ub3c4\uba54\uc778, SPF, RBL &#038; Postfix"},"content":{"rendered":"<p>\ud68c\uc0ac \uc11c\ube44\uc2a4\uc5d0\uc11c \ud68c\uc6d0\ub4e4\uc5d0\uac8c \uba54\uc77c\uc744 \ubcf4\ub0b4\ubcf4\uba74, \uba54\uc77c\uc774 \uc798 \uc548\uac00\uace0 \ubc18\uc1a1\ub418\uace0 \ud574\uc11c, \uc5bc\ub9c8\ub3d9\uc548 \uc774\uba54\uc77c \ubc1c\uc1a1\uc744 \uac70\uc758 \uc548\ud588\uc5c8\ub294\ub370, \uc791\ub144\uc5d0 \ud654\uc774\ud2b8 \ub3c4\uba54\uc778 \uc81c\ub3c4\uac00 \ud3ec\ud0c8 \ub4f1\uc5d0 \uc801\uc6a9\ub418\uba74\uc11c \uc880 \uc0c1\ud669\uc774 \ub098\uc544\uc9c4 \uac83\ub3c4 \uac19\ub124\uc694.<\/p>\n<p>\uc790\uc138\ud55c \ub0b4\uc6a9\uc740 <a href=\"http:\/\/www.kisarbl.or.kr\">www.kisarbl.or.kr<\/a>\uc5d0\uc11c \ud655\uc778\ud560\uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc790\uc2e0\uc758 \ub3c4\uba54\uc778(DNS) \uc11c\ube44\uc2a4\uc5d0\uc11c \uc5b4\ub5a4 \uc544\uc774\ud53c \uc8fc\uc18c\uc5d0\uc11c \uba54\uc77c\uc744 \ubcf4\ub0bc\uc218 \uc788\ub294\uc9c0\ub97c DNS TXT \uc601\uc5ed\uc5d0 \ub4f1\ub85d\ud569\ub2c8\ub2e4. \uba54\uc77c \ubc1b\ub294 \uc11c\ubc84\uc5d0\uc11c \uba54\uc77c\uc744 \ubcf4\ub0b4\ub294 \ub3c4\uba54\uc778\uc758 DNS TXT\ub97c \ud655\uc778\ud558\uc5ec \ub4f1\ub85d\ub41c \uc544\uc774\ud53c \uc8fc\uc18c\uc640 \ub2e4\ub974\uba74 \uba54\uc77c\uc744 \ub4dc\ub78d\ud558\ub3c4\ub85d \ud558\ub294 \uc6d0\ub9ac\uc785\ub2c8\ub2e4. <span style=\"font-weight: bold\">SPF(Sender Policy Framework)<\/span>\ub77c\uace0 \ubd88\ub9ac\ub294 \uae30\uc220\uc778\ub370 2006\ub144 <a href=\"http:\/\/tools.ietf.org\/html\/rfc4408\">RFC 4408<\/a>&nbsp; \ud45c\uc900\uc73c\ub85c \uc9c0\uc815\ub418\uc5c8\uc73c\uba70, KISA\uc5d0\uc11c \ubc1c\ube60\ub974\uac8c \ub3c4\uc785\uc744 \ud558\uc5ec \uad6d\ub0b4 \uba54\uc774\uc800 \ud3ec\ud0c8\ub4f1\uc5d0 \ub300\ubd80\ubd84 \uc801\uc6a9\ub418\uc5c8\uc2b5\ub2c8\ub2e4. <\/p>\n<p>\uc5ec\uae30 \ub4f1\ub85d\uc744 \ud558\uba74, \ub2e4\ub978 \ud654\uc774\ud2b8\ub3c4\uba54\uc778 \uc11c\ube44\uc2a4\uc5d0 \ub4f1\ub85d\ud55c \uc11c\ubc84\uac04\uc5d0\ub294 \uba54\uc77c\uc774 \uc6d0\ud65c\ud788 \uc804\ub2ec\ub418\uba70, \uc11c\ube44\uc2a4\uc5d0 \ub4f1\ub85d\ud558\uace0 \uc2a4\ud338\uc744 \ubcf4\ub0bc\uc218\ub3c4 \uc788\uc73c\ubbc0\ub85c, \ub4f1\ub85d\ud55c \ub3c4\uba54\uc778\uc5d0 \ub300\ud574\uc11c \ub0b4\ubd80\uc801\uc73c\ub85c \ud3c9\uac00\ud558\ub294 \uc2dc\uc2a4\ud15c\uc744 \uac16\ucdb0\uc11c \uc2a4\ud338\uc744 \ubcf4\ub0b4\ub294\uac83\uc73c\ub85c \ud310\ub2e8\ub418\uba74 <span style=\"font-weight: bold\">RBL(Real-time Blackhole List)<\/span>\uc5d0 \ub4f1\ub85d\ub418\uc5b4 \uba54\uc77c \uc804\ub2ec\uc774 \uc5b4\ub835\uac8c \ub429\ub2c8\ub2e4. RBL\uc740 \uc2a4\ud338\uc744 \ubcf4\ub0b4\ub294 \uc544\uc774\ud53c\uc8fc\uc18c\uc778\uc9c0 \uc54c\ub824\uc8fc\ub294 \uc11c\ube44\uc2a4\ub85c \uc5ec\ub7ec\uacf3\uc5d0\uc11c \uc81c\uacf5\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc6d0\ub9ac\ub294 \uac04\ub2e8\ud569\ub2c8\ub2e4. \uc544\uc774\ud53c\uc8fc\uc18c\ub97c \uc870\ud68c\ud558\uba74 \uadf8 \uc544\uc774\ud53c\uac00 \uc2a4\ud338\uc744 \ubcf4\ub0b4\ub294\uc9c0 \uc54c\ub824\uc8fc\ub294 \uc11c\ube44\uc2a4\uc785\ub2c8\ub2e4. \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \uacf3\uc5d0 \ub530\ub77c\uc11c \ub2e4\ub978 \uc544\uc774\ud53c \uc8fc\uc18c \ub9ac\uc2a4\ud2b8\ub97c \uad00\ub9ac\ud558\uae30 \ub54c\ubb38\uc5d0, \ubcf4\ud1b5 \uc5ec\ub7ec RBL\uc744 \ucc38\uc870\ud558\ub3c4\ub85d \uba54\uc77c\uc11c\ubc84\ub97c \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p>KISA\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 RBL\uc774 spamlist.or.kr\uc774\uba70, <a href=\"http:\/\/en.wikipedia.org\/wiki\/Comparison_of_DNS_blacklists\">\uc5ec\uae30<\/a>\ub97c \ubcf4\uc2dc\uba74 \uc5ec\ub7ec RBL\uc5d0 \ub300\ud55c \ube44\uad50\uac00 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<p>\uadf8\ub7fc \ud654\uc774\ud2b8 \ub3c4\uba54\uc778 \ub4f1\ub85d\uacfc \uba54\uc77c\uc11c\ubc84 \uc138\ud305\uc744 \ud558\uba74\uc11c \uc0ac\uc6a9\ud55c \ubc29\ubc95\uc744 \uc124\uba85\ub4dc\ub9ac\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4. \uba3c\uc800 DNS\uc11c\ubc84\uc758 \ud574\ub2f9 \ub3c4\uba54\uc778\uc758 zone \ud30c\uc77c\uc5d0 \ub2e4\uc74c \ub77c\uc778\uc744 \uc0bd\uc785\ud558\uace0<\/p>\n<div style=\"padding: 10px; background-color: rgb(228, 228, 228)\">\ub0b4\ub3c4\uba54\uc778\uba85.&nbsp; IN &nbsp; TXT &nbsp; &#8220;v=spf1 ip4:\uba54\uc77c\ubcf4\ub0b4\ub294\uc544\uc774\ud53c1 -all<\/div>\n<p>\nnamed\ub97c \uc7ac\uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4. <span style=\"font-weight: bold\">-all<\/span>\uc774\ub098 <span style=\"font-weight: bold\">~all<\/span>\ub85c \uc9c0\uc815\ud560\uc218 \uc788\ub294\ub370, -all\uc740 \ub0b4\ub3c4\uba54\uc778\uba85\uc5d0\uc11c \ubc1c\uc1a1\ub418\ub294 \uba54\uc77c\uc911 \uc544\uc774\ud53c\uac00 SPF \ub9ac\uc2a4\ud2b8\uc5d0 \uc5c6\uc73c\uba74 \ubb34\uc870\uac74 \ub4dc\ub78d\ud558\uace0, ~all\ub85c \uc9c0\uc815\ud558\uba74 \ubc1b\ub294\uba54\uc77c\uc11c\ubc84\uc758 \uc815\ucc45\uc5d0 \ub530\ub77c \ud310\ub2e8\ud558\ub77c \uc785\ub2c8\ub2e4. \uc5ec\ub7ec \uc544\uc774\ud53c\ub97c \uc9c0\uc815\ud560\uc218 \uc788\uc73c\uba70 1.2.3.0\/24 \ud615\ud0dc\ub85c \uc544\uc774\ud53c \uc601\uc5ed\uc744 \uc9c0\uc815\ud560\uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub807\uac8c \ud558\uace0 \ub3c4\uba54\uc778\uc815\ubcf4\uac00 \uc5b4\ub290\uc815\ub3c4 \uc804\ud30c\ub418\uba74, www.kisarbl.or.kr\uc5d0\uc11c \ud654\uc774\ud2b8\ub3c4\uba54\uc778\uc73c\ub85c \ub4f1\ub85d\uc744 \ud560\uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub4f1\ub85d\ubc29\ubc95\ub3c4 \uc5b4\ub835\uc9c0 \uc54a\uace0, \uce5c\uc808\ud788 \uc798 \uc124\uba85\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uba54\uc77c\uc11c\ubc84\ub294 sendmail, qmail\uc744 \uac70\uccd0\uc11c postfix\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\ub294\ub370 postfix\uac00 \uc81c\uc77c \uc124\uc815\uc774 \uc27d\uace0 \ubaa8\ub4c8\ud654\uac00 \uc798 \ub418\uc5b4\uc788\ub294\ub4ef\ud558\ub354\uad70\uc694&#8230; \ud558\uc5ec\ud2bc postfix\uc5d0\uc11c RBL \ub4f1\ub85d\ud558\ub294 \ubc29\ubc95\uc740 \ub9e4\uc6b0 \uac04\ub2e8\ud569\ub2c8\ub2e4. main.cf \ud30c\uc77c\uc5d0\uc11c smtpd_recipent_restrictions\uc5d0 \uc801\ub2f9\ud55c \uc704\uce58\uc5d0 reject_rbl_client \ud56d\ubaa9\uc744 \ucd94\uac00\ud574\uc8fc\uba74 \ub429\ub2c8\ub2e4. \uc81c \uc11c\ubc84 \uc124\uc815\uc785\ub2c8\ub2e4:<\/p>\n<div style=\"padding: 10px; background-color: rgb(228, 228, 228)\">smtpd_recipient_restrictions =<br \/>\n &nbsp;&nbsp; permit_sasl_authenticated,<br \/>\n &nbsp;&nbsp; reject_invalid_hostname,<br \/>\n &nbsp;&nbsp; reject_non_fqdn_hostname,<br \/>\n &nbsp;&nbsp; reject_non_fqdn_sender,<br \/>\n &nbsp;&nbsp; reject_non_fqdn_recipient,<br \/>\n &nbsp;&nbsp; reject_unknown_sender_domain,<br \/>\n &nbsp;&nbsp; reject_unknown_recipient_domain,<br \/>\n &nbsp;&nbsp; permit_mynetworks,<br \/>\n &nbsp;&nbsp; reject_unauth_destination,<br \/>\n<span style=\"font-weight: bold\"> &nbsp;&nbsp; reject_rbl_client spamlist.or.kr,<\/span><br style=\"font-weight: bold\"\/><span style=\"font-weight: bold\"> &nbsp;&nbsp; reject_rbl_client cbl.abuseat.org,<\/span><br style=\"font-weight: bold\"\/><span style=\"font-weight: bold\"> &nbsp;&nbsp; reject_rbl_client list.dsbl.org,<\/span><br style=\"font-weight: bold\"\/><span style=\"font-weight: bold\"> &nbsp;&nbsp; reject_rbl_client sbl.spamhaus.org,<\/span><br style=\"font-weight: bold\"\/><span style=\"font-weight: bold\"> &nbsp;&nbsp; reject_rbl_client pbl.spamhaus.org,<\/span><br style=\"font-weight: bold\"\/> &nbsp; permit<\/div>\n<p>smtpd_recipent_restrictions \uc6d0\ub798 \uc124\uc815\ub41c \ud56d\ubaa9\uc5d0\uc11c reject_rbl_client\ub4e4\ub9cc \uc6d0\ud558\ub294 \uc704\uce58\uc5d0 \ub4f1\ub85d\ud558\uba74 \ub429\ub2c8\ub2e4. \uc704\uc5d0\uc11c\ubd80\ud130 \uc21c\ucc28\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\ubbc0\ub85c \uc704\uce58\ub294 \uc6d0\ud558\ub294 \uc704\uce58\uc5d0 \ub450\uc2dc\uba74 \ub429\ub2c8\ub2e4.<\/p>\n<p>\uba54\uc77c\uc11c\ubc84\uc5d0 RBL\uc744 \uc9c0\uc815\ud558\uace0 \ub098\ub2c8 \uc2a4\ud338\uba54\uc77c 95% \uc774\uc0c1\uc774 \uac78\ub7ec\uc9c0\ub294\uac83 \uac19\ub124\uc694&#8230; \uc548\uc624\ub294 \uba54\uc77c\uc774 \uc788\uc73c\uba74 \ubb38\uc81c\uc9c0\ub9cc \uadf8\uac74 RBL\uc5d0 \uc544\uc774\ud53c\uac00 \ub4f1\ub85d\ub418\uba74 \ubcf4\ub0b4\ub294 \uce21\uc5d0\uc11c \uc798\ubabb\ud55c\uac70\ub2c8 \uadf8\ucabd\uc5d0\uc11c \ud574\uacb0\ud574\uc57c\ud560 \ubb38\uc81c\uc8e0. \uc608\uc804\uc5d0 \uc2e4\uc218\ub85c \uc11c\ubc84\uc5d0 \ud504\ub85d\uc2dc\ub97c \ud14c\uc2a4\ud2b8\uc6a9\uc73c\ub85c \uc7a0\uae50 \uc5f4\uc5b4\ub450\uc5c8\ub2e4\uac00 \ud574\uc678 RBL\uc5d0 \uc11c\ubc84\uc911 \ud558\ub098\uac00 \ub4f1\ub85d\ub41c \uc801\uc774 \uc788\uc5c8\ub294\ub370 RBL\uc5d0\uc11c \ube60\ub978 \uc2dc\uac04\ub0b4\uc5d0 \uc81c\uac70\ud558\ub294 \uac8c \uc5b4\ub835\ub354\uad70\uc694. \ub4f1\ub85d\ub418\ub294 RBL\uc5d0 \ub530\ub77c \uc81c\uac70 \ubc29\ubc95\ub3c4 \ub2e4\ub974\uace0\uc694&#8230; \uad00\ub9ac\ud558\ub294 \uba54\uc77c\uc11c\ubc84\uc5d0\uc11c \uc2a4\ud338\uc774 \ub098\uac00\uc9c0 \uc54a\ub3c4\ub85d \uc798 \uad00\ub9ac\ud574\uc57c\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud68c\uc0ac \uc11c\ube44\uc2a4\uc5d0\uc11c \ud68c\uc6d0\ub4e4\uc5d0\uac8c \uba54\uc77c\uc744 \ubcf4\ub0b4\ubcf4\uba74, \uba54\uc77c\uc774 \uc798 \uc548\uac00\uace0 \ubc18\uc1a1\ub418\uace0 \ud574\uc11c, \uc5bc\ub9c8\ub3d9\uc548 \uc774\uba54\uc77c \ubc1c\uc1a1\uc744 \uac70\uc758 \uc548\ud588\uc5c8\ub294\ub370, \uc791\ub144\uc5d0 \ud654\uc774\ud2b8 \ub3c4\uba54\uc778 \uc81c\ub3c4\uac00 \ud3ec\ud0c8 \ub4f1\uc5d0 \uc801\uc6a9\ub418\uba74\uc11c \uc880 \uc0c1\ud669\uc774 \ub098\uc544\uc9c4 \uac83\ub3c4 \uac19\ub124\uc694. \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 www.kisarbl.or.kr\uc5d0\uc11c \ud655\uc778\ud560\uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc790\uc2e0\uc758 \ub3c4\uba54\uc778(DNS) \uc11c\ube44\uc2a4\uc5d0\uc11c \uc5b4\ub5a4 \uc544\uc774\ud53c \uc8fc\uc18c\uc5d0\uc11c \uba54\uc77c\uc744 \ubcf4\ub0bc\uc218 \uc788\ub294\uc9c0\ub97c DNS TXT \uc601\uc5ed\uc5d0 \ub4f1\ub85d\ud569\ub2c8\ub2e4. \uba54\uc77c \ubc1b\ub294 \uc11c\ubc84\uc5d0\uc11c \uba54\uc77c\uc744 \ubcf4\ub0b4\ub294 \ub3c4\uba54\uc778\uc758 DNS TXT\ub97c \ud655\uc778\ud558\uc5ec \ub4f1\ub85d\ub41c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[57,58,59,60,61],"class_list":["post-67","post","type-post","status-publish","format-standard","hentry","category-17","tag-postfix","tag-rbl","tag-spf","tag-60","tag-61"],"_links":{"self":[{"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/posts\/67","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mix1009.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=67"}],"version-history":[{"count":0,"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/posts\/67\/revisions"}],"wp:attachment":[{"href":"https:\/\/mix1009.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mix1009.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=67"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mix1009.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}