{"id":259,"date":"2007-05-14T12:23:00","date_gmt":"2007-05-14T03:23:00","guid":{"rendered":"https:\/\/www.picolix.jp\/blog\/2007\/05\/sendmail-user-unknown-dns-553.html\/"},"modified":"2019-04-02T10:25:53","modified_gmt":"2019-04-02T01:25:53","slug":"sendmail-user-unknown-dns-553","status":"publish","type":"post","link":"https:\/\/www.picolix.jp\/blog\/2007\/05\/sendmail-user-unknown-dns-553.html","title":{"rendered":"sendmail \u30e1\u30fc\u30eb\u30e6\u30fc\u30b6\u5b58\u5728\u3059\u308b\u306e\u306bUser Unknown DNS 553"},"content":{"rendered":"<p>\u6700\u8fd1\u3042\u308b\u30b5\u30fc\u30d0\u304b\u3089\u3001xxx\uff20picolix.jp\u5b9b\u306e\u30e1\u30fc\u30eb\u304c\u3001User Unknown\u3068\u306a\u308a\u3001\u7ba1\u7406\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044\u3002<br \/>May 11 17:51:40 wwwXX sendmail[18472]: l4B8peei018470: to=\uff1b,<br \/>ctladdr=\uff1b (0\/0), delay=00:00:00, xdelay=00:00:00, maile<br \/>r=esmtp, pri=120314, relay=xxx.picolix.jp. [xxx.xxx.xxx.xxx], dsn=5.1.3, stat<br \/>=User unknown<br \/>\u3053\u306e\u30a8\u30e9\u30fc\u306e\u5185\u5bb9\u3060\u3068\u3001\u76f8\u624b\u30b5\u30fc\u30d0\u306bxxx\uff20picolix.jp\u30e6\u30fc\u30b6\u306f\u5b58\u5728\u305b\u305a\u30a8\u30e9\u30fc\u3068\u3044\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\u3053\u308c\u3092\u983c\u308a\u306b\u5f53\u521d\u3044\u308d\u3044\u308d\u8abf\u3079\u305f\u304c\u7d50\u5c40\u5206\u304b\u3089\u305a\u3002\uff08xxx\u30e6\u30fc\u30b6\u306f\u5b58\u5728\u3057\u307e\u3059\u3002)<br \/>root@wwwXX.XX.XX\u304b\u3089\u4ed6\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u306f\u6b63\u3057\u304f\u9001\u4fe1\u3055\u308c\u308b\u3002<br \/>\u305f\u3060\u3001XREA\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u4e0a\u306exxx\uff20picolix.jp\u3084\u4ed6\u306eXREA\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u3060\u3081\u3002<br \/>\u305d\u3053\u3067\u3001\u3057\u304b\u305f\u304c\u306a\u3044\u306e\u3067\u30b5\u30fc\u30d0\u4e0a\u3067tcpdump\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u3059\u3050\u306b\u554f\u984c\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002<br \/>\uff08\u4e00\u9031\u9593\u307b\u3069\u60a9\u3093\u3067\u3044\u305f\u306e\u306b\u3002\uff09<br \/># tcpdump -nX port 25<br \/>&#8230;<br \/>0x0030:  1d6a a861 5243 5054 2054 6f3a 3c65 7661  .j.aRCPT.To:..<br \/>0x0030:  65b0 f072 3535 3320 6874 7470 3a2f 2f77  e..r553.http:\/\/w<br \/>0x0040:  7777 2e73 7061 6d68 6175 732e 6f72 672f  ww.spamhaus.org\/<br \/>0x0050:  7175                                     qu<br \/>..<br \/>.<br \/><a href=\"http:\/\/www.spamhaus.org\/\">http:\/\/www.spamhaus.org\/<\/a><br \/>wwwXX.XX.XX\u306f\u3001CBL \u306espam\u4e2d\u7d99\u30ea\u30b9\u30c8\u3068\u3057\u3066\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3002 orz<br \/>\u3053\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092XREA\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306f\u53c2\u7167\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3001\u30a2\u30a6\u30c8\u3068\u306a\u3063\u3066\u3044\u305f\u3088\u3046\u3067\u3059\u3002\u65e9\u901f\u3001delete\u3057\u3066OK\u3068\u306a\u308a\u307e\u3057\u305f\u3002\uff08\u306a\u305c\u3001\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3055\u308c\u305f\u304b\u4e0d\u660e\uff1d\uff1e\u8981\u5bfe\u7b56\uff09<\/p>\n<p><a name='more'><\/a><br \/>\u7ba1\u7406\u30b5\u30fc\u30d0\u306f\u3001\u3055\u304f\u3089\u306e\u5c02\u7528\u30b5\u30fc\u30d0\u3067\u3059\u3002<br \/>\u53c2\u8003\uff35\uff32\uff2c<br \/><a href=\"http:\/\/www.magicvox.net\/archive\/2006\/10190415\/\">\u3055\u304f\u3089\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u306e\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u767b\u9332\u72b6\u6cc1\u306b\u3064\u3044\u3066 &#8211; Open MagicVox.net<\/a><br \/><a href=\"http:\/\/neta.ywcafe.net\/000678.html\">spamhaus.org\u3092\u306f\u3058\u3081\u3068\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u306e\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8(RBL)\u3092\u4f7f\u3063\u3066\u306f\u3044\u3051\u306a\u3044<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u3042\u308b\u30b5\u30fc\u30d0\u304b\u3089\u3001xxx\uff20picolix.jp\u5b9b\u306e\u30e1\u30fc\u30eb\u304c\u3001User Unknown\u3068\u306a\u308a\u3001\u7ba1\u7406\u30e1\u30fc\u30eb\u304c\u9001\u308c\u306a\u3044\u3002May 11 17:51:40 wwwXX sendmail[18472]: l4B8peei01847 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.picolix.jp\/blog\/2007\/05\/sendmail-user-unknown-dns-553.html\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;sendmail \u30e1\u30fc\u30eb\u30e6\u30fc\u30b6\u5b58\u5728\u3059\u308b\u306e\u306bUser Unknown DNS 553&#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":[],"categories":[1],"tags":[16],"_links":{"self":[{"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/posts\/259"}],"collection":[{"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/comments?post=259"}],"version-history":[{"count":1,"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/posts\/259\/revisions"}],"predecessor-version":[{"id":1125,"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/posts\/259\/revisions\/1125"}],"wp:attachment":[{"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/media?parent=259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/categories?post=259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.picolix.jp\/blog\/wp-json\/wp\/v2\/tags?post=259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}