{"id":10117,"date":"2024-12-03T15:37:52","date_gmt":"2024-12-03T06:37:52","guid":{"rendered":"https:\/\/www.k-in.co.jp\/niwakan\/?p=10117"},"modified":"2024-12-04T16:45:10","modified_gmt":"2024-12-04T07:45:10","slug":"mail-server%e3%81%ae%e7%a7%bb%e8%a1%8c%ef%bc%88%e3%81%9d%e3%81%ae45%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\/10117\/","title":{"rendered":"mail server\u306e\u79fb\u884c\uff08\u305d\u306e45\uff09Postfix\u3001Dovecot\u306e\u518d\u69cb\u7bc9"},"content":{"rendered":"

\u6bce\u5ea6\u3005\u3005\u554f\u984c\u3070\u304b\u308a\u8d77\u3053\u308bPostfix\u3002
\n\u307e\u3041\u3001\u8a2d\u5b9a\u3057\u305f\u79c1\u304c\u60aa\u3044\u3093\u3060\u3051\u3069\u306d\u3047\u3002
\n<\/p>\n

TSL\u304c\u52d5\u304f\u69d8\u306b\u3068\u8a2d\u5b9a\u304c\u9032\u3093\u3060Postfix\u3055\u3093\u3002
\n\u3053\u3093\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5410\u3044\u3066\u3001\u30e1\u30fc\u30eb\u306e\u8ee2\u9001\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u5c45\u305f\u3001<\/p>\n

Dec 02 18:38:36 mail postfix\/smtp[1446]: BE0EF1BC09EC: to=, relay=localhost[127.0.0.1]:10024, delay=97234, delays=97234\/0.01\/0\/0, dsn=4.7.4, status=deferred (TLS is required, but was not offered by host localhost[127.0.0.1])<\/pre>\n
\u6b64\u65b9Topic: TLS is required, but was not offered by host 127.0.0.1<\/a>\u306b\u540c\u69d8\u306e\u8af8\u738b\u72b6\u3092\u51fa\u3057\u3066\u3044\u308b\u65b9\u304c\u5c45\u3063\u3066\u3001\u5bfe\u51e6\u65b9\u6cd5\u3082\u8f09\u3063\u3066\u3044\u305f\u3002<\/p>\n
master.cf\u306eamavis\u3068localhost:10025\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u9805\u76ee\u306b\u300e-o smtp_tls_security_level=none\u300f\u3092\u52a0\u3048\u308b\u306e\u6b63\u89e3\u3089\u3057\u3044\u3002
\n\u300c\u6b64\u306e\u4e8c\u3064\u306e\u9593\u3067TLS\u3068\u304b\u5fc5\u8981\u306a\u3044\u3088\u306d\u300d\u3063\u3066\u4e8b\u3089\u3057\u3044\u3002
\n\u4ed8\u3051\u52a0\u3048\u3066reload\u3055\u305b\u305f\u3089\u914d\u9001\u3057\u3066\u5449\u308c\u305f\u6a21\u69d8\u3002<\/p>\n
\u307e\u305f\u3001CentOS\u306ePostfix\u3068Dovecot\u306bSSL\u3092\u8a2d\u5b9a\u3057\u3066\u5b89\u5168\u306b\u901a\u4fe1\u3092\u884c\u3046<\/a>\u306bmaster.cf\u306esmtps\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u8f09\u3063\u3066\u5c45\u305f\u306e\u304c\u52a9\u8e74\u3089\u308c\u305f\u3002
\n\u30a6\u30c1\u306emaster.cf\u306b\u306fsmtps\u306e\u9805\u76ee\u304c\u7121\u304b\u3063\u305f\u70ba\u3060\u3002\uff08\u5143\u3005MacPorts\u306ePostfix\u306f\u5bfe\u5fdc\u3057\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u3066\u5c45\u306a\u3044\u3002\u5bfe\u5fdc\u3067\u304d\u3066\u3044\u308b\u306e\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u4ed8\u3051\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u76f4\u3057\u305f<\/a>\u304b\u3089\u3060\uff09
\n\u3060\u304b\u3089\u3001-o smtpd_tls_wrappermode=yes<\/strong>\u4f55\u3066\u77e5\u3089\u3093\u304c\u306a\u3002
\n\u65e9\u901f\u30b3\u30d4\u30da\u3057\u3066\u4f7f\u308f\u305b\u3066\u8cb0\u3044\u307e\u3057\u305f\u3002\u6709\u96e3\u3046\u5fa1\u5ea7\u3044\u307e\u3059\u3002
\n\u6b64\u308c\u3067\u5c11\u3057\u306f\u5148\u306b\u9032\u3080\u304b\u3082\u77e5\u308c\u306a\u3044\u3002<\/p>\n
\u3068\u3001\u601d\u3046\u3068\u3053\u308d\u3002
\n\u3060\u304c\u3001\u305d\u3046\u4e0a\u624b\u304f\u884c\u304f\u8a33\u3082\u7121\u3044\u3002
\nopenssl\u3067port 25\u306b\u30a2\u30af\u30bb\u30b9\u3002<\/p>\n
% openssl s_client -connect mail.k-in.co.jp:25\r\nConnecting to 192.168.0.35\r\nCONNECTED(00000005)\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 5 bytes and written 333 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
\u30a8\u30e9\u30fc\u3067\u3059\u306d\u3002
\npostfix\u306e\u30ed\u30b0\u3092\u898b\u3066\u307f\u308b\u3002<\/p>\n
Dec 03 09:12:27 mail postfix\/postscreen\/postscreen[10014]: CONNECT from [192.168.0.36]:60915 to [192.168.0.35]:25\r\nDec 03 09:12:27 mail postfix\/postscreen\/postscreen[10014]: ALLOWLISTED [192.168.0.36]:60915\r\nDec 03 09:12:27 mail postfix\/smtpd\/smtpd[10028]: connect from macmi2.lo.k-in.co.jp[192.168.0.36]\r\nDec 03 09:12:27 mail postfix\/smtpd\/smtpd[10028]: warning: non-SMTP command from macmi2.lo.k-in.co.jp[192.168.0.36]: \\026\\003\\001\\001H\\001\\000\\001D\\003\\003\\230i\\331\\002\\332aU\\316jb\\225M!\\312\\305DQ3\\343\\000}e\\300\\225\\2\r\nDec 03 09:12:27 mail postfix\/smtpd\/smtpd[10028]: disconnect from macmi2.lo.k-in.co.jp[192.168.0.36] unknown=0\/1 commands=0\/1<\/pre>\n
\u6b64\u65b9\u3067\u3082\u30a8\u30e9\u30fc\u5410\u3044\u3066\u307e\u3059\u306d\u3002<\/p>\n
\u56e0\u307f\u306b\u3001\u5916\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30e1\u30fc\u30eb\u304c\u5c4a\u304d\u307e\u3057\u305f\u3002
\nAmazon\u3092\u9a19\u3063\u305f\u8ff7\u60d1\u30e1\u30fc\u30eb\u3067\u3059\u3002
\n\u6b64\u306e\u30a2\u30c9\u30ec\u30b9\u3067Amazon\u306e\u767b\u9332\u306a\u3093\u3066\u3057\u3066\u7121\u3044\u3088\u3002
\n\u3057\u304b\u3057\u3001\u53e4\u3044\u60c5\u5831\u304c\u307e\u3060\u56de\u3063\u3066\u3044\u308b\u3093\u3060\u306a\u3041\u3002
\n\u4e00\u5e74\u524d\u3058\u3083\u306a\u3044\u304b\u3001\u6b64\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u4f7f\u3048\u306a\u304f\u306a\u3063\u305f\u306e\u3002\uff08\u7b11\uff09<\/p>\n
Postfix \u3067 Postscreen \u3092\u6709\u52b9\u5316\u304a\u3088\u3073\u8a2d\u5b9a\u3057\u3066\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b<\/a>\u3068\u4e91\u3046\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u305f\u3002
\n\u672a\u3060\u308d\u304f\u306b\u52d5\u304b\u306a\u3044\u306e\u306b\u6b64\u306e\u69d8\u306a\u4e8b\u3092\u9063\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u3092\u5f15\u3051\u3066\u5c45\u306a\u3044host\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u3063\u3061\u3083\u3063\u305f\u304b\u3089\u3002
\n\u5176\u51e6\u306eip\u3092\u62fe\u3063\u305f\u3089\u4e2d\u56fd\u3060\u3063\u305f\u306e\u3067ip range\u6bcePF filter\u3067\u843d\u3068\u3059\u3053\u3068\u306b\u3057\u305f\u3002\uff08\u3068\u4e91\u3046\u304b\u524d\u304b\u3089\u4e2d\u56fd\u306f\u7247\u7aef\u304b\u3089\u5f3e\u3044\u3066\u3044\u308b\uff09
\n\u306a\u306e\u3067\u3001mail server\u5074\u3067\u306f\u4ed6\u3068\u5909\u308f\u3089\u306c\u5bfe\u5fdc\u3068\u306a\u308b\u3002<\/p>\n
\u3053\u3093\u306a\u30e1\u30fc\u30eb\u8fc4\u6765\u305f\u3002<\/p>\n
\u5e73\u7d20\u306f\u3001\uff2a\uff21\u30cd\u30c3\u30c8\u30d0\u30f3\u30af\u3092\u3054\u5229\u7528\u3044\u305f\u3060\u304d\u307e\u3057\u3066\u3001\u8aa0\u306b\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n
12\u67082 \u65e5\uff16\u664250\u5206\u9803\u3088\u308a\u3001\uff2a\uff21\u30cd\u30c3\u30c8\u30d0\u30f3\u30af\u306b\u304a\u3051\u308b\u7cfb\u7d71\u91d1\u878d\u6a5f\u95a2\u3042\u3066\u306e\u632f\u8fbc\u306e\u4e00\u90e8\u6a5f\u80fd\u306b\u3066\u4e0d\u5177\u5408\u304c\u751f\u3058\u305f\u70ba\u3001\u30ef\u30f3\u30bf\u30a4\u30e0\u30d1
\n\u30b9\u30ef\u30fc\u30c9\u6642\u523b\u305a\u308c\u3092\u88dc\u6b63\u3059\u308b\u3053\u3068\u3092\u884c\u3044\u307e\u3059\u3002\u4e0b\u8a18\u306e\u30ea\u30f3\u30af\u3092\u30a2\u30af\u30bb\u30b9\u3057\u3001\u88dc\u6b63\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
https:\/\/antybez.com<\/p>\n
\u203b\u88dc\u6b63\u3092\u5b9f\u884c\u3057\u306a\u3044\u53e3\u5ea7\u306b\u5bfe\u3057\u3066\u306f\u5229\u7528\u5236\u9650\u3092\u304b\u304b\u308b\u6050\u308c\u304c\u3054\u3056\u3044\u307e\u3059\u3002
\n\u203b\u30ef\u30f3\u30bf\u30a4\u30e0\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u88dc\u6b63\u306e\u5b9f\u884c\u5f8c\u30012~3\u5206\u5f85\u3063\u3066\u304b\u3089\u30a2\u30d7\u30ea\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u304a\u5ba2\u69d8\u306b\u3054\u8ff7\u60d1\u3092\u304a\u639b\u3051\u3057\u3066\u304a\u308a\u307e\u3059\u3053\u3068\u3092\u6df1\u304f\u304a\u8a6b\u3073\u7533\u3057\u3042\u3052\u307e\u3059\u3002<\/p>\n
\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d<\/p>\n
\u3054\u4e0d\u660e\u306a\u70b9\u304c\u3054\u3056\u3044\u307e\u3057\u305f\u3089\u3001\u4e0b\u8a18\u307e\u3067\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002
\n\u9023\u7d61\u5148 \uff10\uff11\uff12\uff10\uff0d\uff10\uff15\uff18\uff0d\uff10\uff19\uff18
\n\u3053\u308c\u304b\u3089\u3082\uff2a\uff21\u305f\u304b\u3064\u304d\u3092\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\u307e\u3059\u3002<\/p><\/div>\n
mail\u306e\u30bd\u30fc\u30b9\u3092\u898b\u308b\u3068\u300eReceived: from mail1.exclusivedanceclub.com (v-27-120-81-26.ub-freebit.net [27.120.81.26])\u300f\u3068\u3042\u308b\u306e\u3067\u3001\u767a\u4fe1\u5143\u306f\u65e5\u672c\u3060\u3002
\n\u3060\u304c\u8cbc\u3063\u3066\u3042\u308b\u30ea\u30f3\u30af\u306f\u9999\u6e2f\u306e\u30b5\u30fc\u30d0\u30fc\u3089\u3057\u3044\u3002
\nreject_cidr\u306bub-freebit.net\u5168\u4f53\u3092\u542b\u3081\u308b\u304b\u601d\u6848\u4e2d\u3002
\n\u56e0\u307f\u306b\u30ea\u30f3\u30af\u5148\u306e\u30a2\u30c9\u30ec\u30b9\u306frange\u6bce\u6392\u9664\u3057\u305f\u3002<\/p>\n
\u672a\u3060\u30b5\u30fc\u30d0\u304c\u304d\u3061\u3093\u3068\u52d5\u3044\u3066\u5c45\u306a\u3044\u306e\u306b\u3001\u30e1\u30fc\u30eb\u5bc4\u8d8a\u3059\u306a\u3088\u3002\uff08\u30dd\u30fc\u30c8\u958b\u3051\u308b\u306a>\u81ea\u5206\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6bce\u5ea6\u3005\u3005\u554f\u984c\u3070\u304b\u308a\u8d77\u3053\u308bPostfix\u3002 \u307e\u3041\u3001\u8a2d\u5b9a\u3057\u305f\u79c1\u304c\u60aa\u3044\u3093\u3060\u3051\u3069\u306d\u3047\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":[177,176,164,175,148],"class_list":["post-10117","post","type-post","status-publish","format-standard","hentry","category-software","tag-dovecot","tag-mail","tag-openssl","tag-postfix","tag-server"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/10117","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=10117"}],"version-history":[{"count":0,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/10117\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media?parent=10117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/categories?post=10117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/tags?post=10117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}