{"id":10129,"date":"2024-12-05T16:54:41","date_gmt":"2024-12-05T07:54:41","guid":{"rendered":"https:\/\/www.k-in.co.jp\/niwakan\/?p=10129"},"modified":"2024-12-11T10:39:36","modified_gmt":"2024-12-11T01:39:36","slug":"mail-server%e3%81%ae%e7%a7%bb%e8%a1%8c%ef%bc%88%e3%81%9d%e3%81%ae47%ef%bc%89postfix%e3%80%81dovecot%e3%81%ae%e5%86%8d%e6%a7%8b%e7%af%89","status":"publish","type":"post","link":"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2024\/12\/10129\/","title":{"rendered":"mail server\u306e\u79fb\u884c\uff08\u305d\u306e47\uff09Postfix\u3001Dovecot\u306e\u518d\u69cb\u7bc9"},"content":{"rendered":"<p>postfix\u306esubmission\u30dd\u30fc\u30c8\u306b\u306fopenssl\u3067\u63a5\u7d9a\u51fa\u6765\u307e\u3057\u305f\u3002<br \/>\n\u3057\u304b\u3057Mac\u306e\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u3067\u306f\u63a5\u7d9a\u51fa\u6765\u307e\u305b\u3093\u3002<br \/>\n\u4f55\u6545\u3067\u3057\u3087\u3046\u3002<br \/>\n<!--more--><\/p>\n<p>ppostfix\u306e\u30ed\u30b0\u3092\u898b\u3066\u3044\u308b\u3068\u3001\u4e0b\u8a18\u306e\u69d8\u306a\u3082\u306e\u304c\u73fe\u308c\u308b\u69d8\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"postfix log\">Dec 03 17:16:53 mail postfix\/postscreen\/postscreen[15745]: CONNECT from [165.154.247.245]:47098 to [192.168.0.35]:25\r\nDec 03 17:16:54 mail postfix\/dnsblog[15748]: addr 165.154.247.245 listed by domain bl.spamcop.net as 127.0.0.2\r\nDec 03 17:16:54 mail postfix\/dnsblog[15751]: addr 165.154.247.245 listed by domain zen.spamhaus.org as 127.0.0.11\r\nDec 03 17:16:54 mail postfix\/dnsblog[15751]: addr 165.154.247.245 listed by domain zen.spamhaus.org as 127.0.0.2\r\nDec 03 17:16:54 mail postfix\/dnsblog[15751]: addr 165.154.247.245 listed by domain zen.spamhaus.org as 127.0.0.3\r\nDec 03 17:16:54 mail postfix\/postscreen\/postscreen[15745]: DNSBL rank 4 for [165.154.247.245]:47098\r\nDec 03 17:16:54 mail postfix\/postscreen\/postscreen[15745]: DISCONNECT [165.154.247.245]:47098<\/pre>\n<p>\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u5165\u308a\u3057\u3066\u307e\u3059\u306d\u3002<br \/>\n\u305d\u3057\u3066\u5f3e\u304b\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u6b64\u308c\u306a\u3089\u3070\u826f\u3044\u3060\u308d\u3046\u3068\u601d\u3063\u3066\u4ed6\u306e\u30dd\u30fc\u30c8\uff08pop3s,imaps\uff09\u3082\u958b\u3051\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n\u7d50\u679c\u3001\u6700\u7d42\u7684\u306b\u958b\u3051\u308b\u30dd\u30fc\u30c8\u306fsmtp(25), htto(80), https(442), smtps(445), submission(587), imaps(993), pop3s(995)\u3068\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u5916\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u304c\u51fa\u6765\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u51fa\u6765\u305f\u306a\u3089\u3070\u3001\u5c11\u3057\u524d\u9032\u3068\u4e91\u3046\u3053\u3068\u3067\u3002<\/p>\n<p>\u6b64\u51e6\u307e\u3067\u66f8\u3044\u3066\u304d\u3066\u601d\u3044\u307e\u3057\u305f\u3002<br \/>\nsmtps(port 445)\u3063\u3066\u4f55\uff1f<br \/>\n\u8a2d\u5b9a\u3057\u305f\u8a18\u61b6\u3082\u7121\u3044\u3057\u3002<br \/>\n\u3053\u308c\u304c\u554f\u984c\u306a\u306e\uff1f<\/p>\n<p>\u3068\u4e91\u3046\u4e8b\u3067\u3001\u53d6\u308a\u6562\u3048\u305aopenssl\u3067\u3059\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">% openssl s_client -connect mail.k-in.co.jp:465 -starttls smtp \r\nConnecting to 192.168.0.35\r\nCONNECTED(00000005)\r\nDidn't find STARTTLS in server response, trying anyway...\r\n407BD051F87F0000:error:0A00010B:SSL routines:tls_validate_record_header:wrong version number:ssl\/record\/methods\/tlsany_meth.c:81:\r\n---\r\nno peer certificate available\r\n---\r\nNo client certificate CA names sent\r\n---\r\nSSL handshake has read 264 bytes and written 366 bytes\r\nVerification: OK\r\n---\r\nNew, (NONE), Cipher is (NONE)\r\nProtocol: TLSv1.3\r\nThis TLS version forbids renegotiation.\r\nCompression: NONE\r\nExpansion: NONE\r\nNo ALPN negotiated\r\nEarly data was not sent\r\nVerify return code: 0 (ok)\r\n---<\/pre>\n<p>\u3046\u3093\u3001smtp(port 25)\u306b\u63a5\u7d9a\u3057\u305f\u6642\u3068\u4e00\u7dd2\u3060\u3002<br \/>\nsmtpd\u304c\u8a3c\u660e\u66f8\u3092\u8aad\u3081\u3066\u5c45\u306a\u3044\u306e\u304c\u554f\u984c\u306a\u306e\u304b\u306a\uff1f<\/p>\n<p>\u56e0\u307f\u306bopenssl\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u7acb\u3066\u308b\u65b9\u6cd5\u3092\u66f8\u3044\u3066\u7121\u304b\u3063\u305f\u307f\u305f\u3044\u306a\u306e\u3067\u3001\u6b64\u51e6\u306b\u66f8\u3044\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<div style=\"background: #F2EAD4; padding: 15px; border: 0px solid #F2EAD4; border-radius: 10px; word-break: break-all;\">openssl s_server -accept \u30dd\u30fc\u30c8\u756a\u53f7(default:4433) -cert \u8a3c\u660e\u66f8\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9 -key \u9375\u30da\u30a2\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9 -CAfile \u4e2d\u9593\u8a3c\u660e\u66f8\u306e\u30d1\u30b9<\/div>\n<p>\u305d\u308c\u3067openssl\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u7ffb\u8a33\uff08Google\u5148\u751f\u304c\uff09\u3057\u305f\u3082\u306e\u3092\u898b\u3066\u307f\u305f\u3089\u3001\u57fa\u672cweb server\u306e\u632f\u308a\u3092\u3059\u308b\u69d8\u3067\u3059\u3002\uff08option\u306b-www\u3001-WWW\u3001-HTTP\u304c\u3042\u308b\u304c\u4ed6\u306f\u7121\u3044\uff09<br \/>\n\u8a70\u307e\u308aPostfix\u3068\u306f\u8aad\u307f\u8fbc\u307f\u6642\u306e\u57fa\u672c\u304c\u9055\u3046\uff1f\uff08\u3068\u3057\u305f\u3089\u4eca\u307e\u3067\u3084\u3063\u3066\u5c45\u305f\u3053\u3068\u306f\u4f55\u3060\uff1f\uff09<\/p>\n<p>Postfix\u306e\u30ed\u30b0\u3092\u898b\u3066\u3044\u308b\u3068\u3001\u5148\u65e5\u304b\u3089<strong>94.156.177.60<\/strong>\u3068\u304b\u304c\u7169\u3044\u3002<br \/>\nTurkey\u304b\u3089\u3089\u3057\u3044\u304c\u3001Range\u6bce\u5ec3\u68c4\u3055\u305b\u3066\u9802\u3044\u305f\u3002<\/p>\n<p>\u4e00\u5bf8\u5f04\u3063\u3066\u30ed\u30b0\u3092\u898b\u3066\u3001\u4f55\u3066\u3057\u3066\u3044\u305f\u3089\u3001\u5909\u306a\u3082\u306e\u3092\u898b\u3064\u3051\u305f\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">Dec 04 17:47:48 mail postfix\/postscreen\/postscreen[29991]: CONNECT from [18.171.185.0]:57194 to [192.168.0.35]:25\r\nDec 04 17:47:48 mail postfix\/postscreen\/postscreen[29991]: PREGREET 211 after 0 from [18.171.185.0]:57194: GET \/logon.htm HTTP\/1.1\\r\\nHost: 219.117.245.33:25\\r\\nUser-Agent: 'Mozilla\/5.0 (compatible; GenomeCr\r\nDec 04 17:47:48 mail postfix\/postscreen\/postscreen[29991]: DISCONNECT [18.171.185.0]:57194<\/pre>\n<p><strong>18.171.185.0<\/strong>\u4f55\u3066\u4e91\u3046\u300c0\u3067\u7d42\u308f\u308bip\u300d\u4f55\u3066\u521d\u3081\u3066\u898b\u305f\u3002<br \/>\n\u4f55\u6642\u3082\u306e\u69d8\u306bIPinfo\u3067\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3068ec2-18-171-185-0.eu-west-2.compute.amazonaws.com\u3068\u4e91\u3046\u4e8b\u3067\u3001\u4f55\u6545\u306bport 25\u306b\u5bfe\u3057\u3066<strong>GET \/logon.htm HTTP\/1.1\\r\\nHost:<\/strong>\u3068\u304b\u8a71\u3057\u639b\u3051\u3066\u5c45\u308b\u3093\u3060\u308d\u3046\uff1f<br \/>\npostscreen\u304c\u60a9\u3093\u3067\u5c45\u305d\u3046\u3060\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>postfix\u306esubmission\u30dd\u30fc\u30c8\u306b\u306fopenssl\u3067\u63a5\u7d9a\u51fa\u6765\u307e\u3057\u305f\u3002 \u3057\u304b\u3057Mac\u306e\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u3067\u306f\u63a5\u7d9a\u51fa\u6765\u307e\u305b\u3093\u3002 \u4f55\u6545\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[115],"tags":[177,176,175,148],"class_list":["post-10129","post","type-post","status-publish","format-standard","hentry","category-software","tag-dovecot","tag-mail","tag-postfix","tag-server"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/10129","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=10129"}],"version-history":[{"count":0,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/10129\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media?parent=10129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/categories?post=10129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/tags?post=10129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}