{"id":9518,"date":"2023-04-10T13:23:43","date_gmt":"2023-04-10T04:23:43","guid":{"rendered":"https:\/\/www.k-in.co.jp\/niwakan\/?p=9518"},"modified":"2023-04-10T13:23:43","modified_gmt":"2023-04-10T04:23:43","slug":"mail-server%e3%81%ae%e7%a7%bb%e8%a1%8c%ef%bc%88%e3%81%9d%e3%81%ae30%ef%bc%89postfix%e3%81%ae%e5%86%8d%e7%a2%ba%e8%aa%8d%ef%bc%888%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2023\/04\/9518\/","title":{"rendered":"mail server\u306e\u79fb\u884c\uff08\u305d\u306e30\uff09postfix\u306e\u518d\u78ba\u8a8d\uff088\uff09"},"content":{"rendered":"

postscreen\u306b\u95a2\u3057\u3066\u3060\u3051\u3060\u304c\u3001\u3061\u3087\u3063\u3068\u9032\u3093\u3060\u3002
\n\u5b09\u3057\u3044\u3002
\n<\/p>\n

\u524d\u56de<\/a>\u66f8\u3044\u305f\u901a\u308a\u3001postscreen\u304c\u7acb\u3061\u4e0a\u304c\u3089\u306a\u3044\u3067\u3044\u305f\u3002<\/p>\n

Apr 10 11:16:09 mail postfix\/master[355]: reload -- version 3.7.4, configuration \/opt\/local\/etc\/postfix\r\nApr 10 11:16:11 mail postfix\/postscreen[15817]: fatal: service smtp requires a process limit of 1\r\nApr 10 11:16:12 mail postfix\/master[355]: warning: process \/opt\/local\/libexec\/postfix\/postscreen pid 15817 exit status 1\r\nApr 10 11:16:12 mail postfix\/master[355]: warning: \/opt\/local\/libexec\/postfix\/postscreen: bad command startup -- throttling\r\nApr 10 11:17:12 mail postfix\/postscreen[15829]: fatal: service smtp requires a process limit of 1\r\nApr 10 11:17:13 mail postfix\/master[355]: warning: process \/opt\/local\/libexec\/postfix\/postscreen pid 15829 exit status 1\r\nApr 10 11:17:13 mail postfix\/master[355]: warning: \/opt\/local\/libexec\/postfix\/postscreen: bad command startup -- throttling\r\nApr 10 11:18:13 mail postfix\/postscreen[15835]: fatal: service smtp requires a process limit of 1\r\nApr 10 11:18:14 mail postfix\/master[355]: warning: process \/opt\/local\/libexec\/postfix\/postscreen pid 15835 exit status 1\r\nApr 10 11:18:14 mail postfix\/master[355]: warning: \/opt\/local\/libexec\/postfix\/postscreen: bad command startup -- throttling\r\nApr 10 11:19:14 mail postfix\/postscreen[15844]: fatal: service smtp requires a process limit of 1\r\nApr 10 11:19:15 mail postfix\/master[355]: warning: process \/opt\/local\/libexec\/postfix\/postscreen pid 15844 exit status 1\r\nApr 10 11:19:15 mail postfix\/master[355]: warning: \/opt\/local\/libexec\/postfix\/postscreen: bad command startup -- throttling<\/pre>\n
\u3053\u3053\u3067spam \u5bfe\u7b56\u3068\u3057\u3066\u3001\u3068\u308a\u3042\u3048\u305a postscreen \u3092\u6709\u52b9\u5316\u3057\u3066\u304a\u304f<\/a>\u306b\u3042\u3063\u305f\u901a\u308a\u306bmaster.cf\u3092\u76f4\u3057\u3001main.cf\u3092\u66f8\u304d\u8db3\u3057\u305f\u3002
\nmaster.cf\u306fpostscreen\u306echroot\u3092y<\/strong>\u306b\u3057\u305f\u3002\uff08\u5143\u3005\u30b3\u30d4\u30fc\u5143\u304cn\u3060\u3063\u305f\u306e\u3067\u305d\u306e\u307e\u307e\u3060\u3063\u305f\uff09<\/p>\n
smtp      inet  n       -       y       -       -       postscreen\r\n#smtp      inet  n       -       n       -       -       smtpd\r\n#  -o receive_override_options=no_address_mappings<\/pre>\n
main.cf\u306f\u8a18\u4e8b\u306b\u3042\u3063\u305f\u901a\u308a\u306b\u30d1\u30b9\u3060\u3051\u5909\u3048\u3066\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
postscreen_access_list =\r\n  permit_mynetworks, cidr:\/opt\/local\/etc\/postfix\/postscreen_access.cidr\r\npostscreen_greet_wait = 15s\r\npostscreen_greet_action = enforce\r\n<\/pre>\n
\u3053\u3053\u307e\u3067\u3067postscreen\u306eerror\u304c\u6d88\u3048\u305f\u2026\u2026\u9593\u9055\u3044\u3002\u6d88\u3048\u306a\u304b\u3063\u305f\u3002<\/p>\n
\u7d9a\u3051\u3066Postfix Postscreen Howto<\/a>\u304b\u3089master.cf\u306e\u8a2d\u5b9a\u3092\u305d\u306e\u307e\u307e\u53cd\u6620\u3002
\nchroot<\/strong>\u3092n<\/strong>\u306b\u623b\u3057\u3001maxproc<\/strong>\u30921<\/strong>\u306b\u6307\u5b9a\u3002<\/p>\n
smtp      inet  n       -       n       -       1       postscreen<\/pre>\n
\u6f38\u304fpostscreen\u306e\u8d77\u52d5\u306b\u6210\u529f\u3057\u305f\u3089\u3057\u3044\u3002ps ax\u3067\u78ba\u8a8d\u3059\u308b\u3002 <\/p>\n
16062   ??  Ss     0:00.04 postscreen -l -n smtp -t inet -u<\/pre>\n
\u78ba\u304b\u306b\u7acb\u3061\u4e0a\u304c\u3063\u3066\u3044\u308b\u3002\u6700\u521d\u304b\u3089\u3053\u3053\u898b\u3066\u3044\u308c\u3070\u826f\u304b\u3063\u305f\u306e\u304b\u2026\u2026
\n\u66f4\u306b\u898b\u3066\u3044\u304f\u3068\u8272\u3005\u3042\u308b\u308f\u3002main.cf\u306b\u8ffd\u52a0\u3057\u3088\u3046\u3002
\n\u73fe\u884c\u3001main.cf\u306epostscreen\u95a2\u9023\u306f\u3053\u3046\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n
# PostScreen settings\r\npostscreen_access_list = permit_mynetworks,\r\n    cidr:\/opt\/local\/etc\/postfix\/postscreen_access.cidr\r\npostscreen_greet_wait = 15s\r\npostscreen_greet_action = enforce\r\npostscreen_dnsbl_threshold = 2\r\npostscreen_dnsbl_sites =\r\n    zen.spamhaus.org*2\r\n    bl.spamcop.net*1\r\n    b.barracudacentral.org*1\r\npostscreen_dnsbl_reply_map = texthash:\/opt\/local\/etc\/postfix\/dnsbl_reply\r\npostscreen_cache_map = proxy:btree:$data_directory\/postscreen_cache\r\n# See note 1 below.\r\npostscreen_cache_cleanup_interval = 0<\/pre>\n
postscreen\u306e\u30a8\u30e9\u30fc\u306f\u51fa\u3066\u3044\u306a\u3044\u3002
\n\u305d\u3057\u3066<\/p>\n
Apr 10 13:19:34 mail postfix\/postscreen[17222]: CONNECT from [193.56.29.192]:20114 to [192.168.0.35]:25\r\nApr 10 13:19:34 mail postfix\/dnsblog[17224]: addr 193.56.29.192 listed by domain b.barracudacentral.org as 127.0.0.2\r\nApr 10 13:19:34 mail postfix\/dnsblog[17225]: addr 193.56.29.192 listed by domain zen.spamhaus.org as 127.0.0.4\r\nApr 10 13:19:34 mail postfix\/dnsblog[17225]: addr 193.56.29.192 listed by domain zen.spamhaus.org as 127.0.0.11\r\nApr 10 13:19:34 mail postfix\/postscreen[17222]: PREGREET 11 after 0.3 from [193.56.29.192]:20114: EHLO User\\r\\n\r\nApr 10 13:19:34 mail postfix\/postscreen[17222]: DNSBL rank 3 for [193.56.29.192]:20114\r\nApr 10 13:19:35 mail postfix\/postscreen[17222]: DISCONNECT [193.56.29.192]:20114<\/pre>\n
\u3061\u3083\u3093\u3068\u5f3e\u3044\u3066\u304f\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
postscreen\u306b\u95a2\u3057\u3066\u3060\u3051\u3060\u304c\u3001\u3061\u3087\u3063\u3068\u9032\u3093\u3060\u3002 \u5b09\u3057\u3044\u3002<\/p>\n","protected":false},"author":1,"featured_media":8632,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[115],"tags":[176,175,210,148],"class_list":["post-9518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-mail","tag-postfix","tag-postscreen","tag-server"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.k-in.co.jp\/niwakan\/wp-content\/uploads\/2021\/11\/640px-Postfix-logo.svg_.png?fit=640%2C448&ssl=1","_links":{"self":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/9518","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=9518"}],"version-history":[{"count":0,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/9518\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media\/8632"}],"wp:attachment":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media?parent=9518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/categories?post=9518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/tags?post=9518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}