{"id":7167,"date":"2023-04-17T17:08:46","date_gmt":"2023-04-17T08:08:46","guid":{"rendered":"https:\/\/www.lancard.com\/blog\/?p=7167"},"modified":"2025-03-12T11:23:57","modified_gmt":"2025-03-12T02:23:57","slug":"milter-clamav-postgrey","status":"publish","type":"post","link":"https:\/\/www.lancard.com\/blog\/2023\/04\/17\/milter-clamav-postgrey\/","title":{"rendered":"milter\u3067\u30a6\u30a3\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3001\u304a\u307e\u3051\u3067Postgrey"},"content":{"rendered":"\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u524d\u56deSpamAssasssin\u306emilter\u3092\u4f7f\u3063\u305f\u306e\u3067\u3001\u5f15\u304d\u7d9a\u304dmilter\u3067\u30a6\u30a3\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3068\u3001greylist\u5bfe\u5fdc\u306bPostgrey\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059\uff08PostgreSQL\u3067\u306f\u306a\u3044\uff09\u3002\n<\/div>\n<\/div>\n\n\n\n\n<!--more-->\n\n\n\n\n<h3 class=\"wp-block-heading\">ClamAV<\/h3>\n\n\n\n\nCentOS\u3067\u30ea\u30dd\u30b8\u30c8\u30ea\u304b\u3089\u5165\u308c\u3089\u308c\u308bClamAV\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>dnf install clamav clamav-update clamav-data clamd<\/code><\/pre>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n<li>\/etc\/clamd.d\/scan.conf<\/li>\n<\/ul>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>#Example<br>LogFile \/var\/log\/clamd.scan<br>PidFile \/run\/clamd.scan\/clamd.pid<br>LocalSocket \/run\/clamd.scan\/clamd.sock<br>#User clamscan<\/code><\/pre>\n\n\n\n\nExample\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u7121\u52b9\u306a\u306e\u3092\u78ba\u8a8d\u3057\u3001Pid\u3068LocalSocket\u3092\u6307\u5b9a\u3057\u3066\u3001User\u3092\u30b3\u30e1\u30f3\u30c8\u5316\u3057\u307e\u3059\u3002\u3064\u3044\u3067\u306b\u30ed\u30b0\u3082\u53d6\u3063\u3066\u307f\u307e\u3059\u3002\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u305d\u3057\u3066\u8d77\u52d5\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl enable clamd@scan --now<\/code><\/pre>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u6b21\u306b\u66f4\u65b0\u7528\u8a2d\u5b9a\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n<li>\/etc\/freshclam.conf<\/li>\n<\/ul>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>#Example\nNotifyClamd \/etc\/clamd.d\/scan.conf<\/code><\/pre>\n\n\n\n\nExample\u3092\u30b3\u30e1\u30f3\u30c8\u5316\u3057\u3001\u4e0a\u3067\u8a2d\u5b9a\u3057\u305fscan.conf\u3092NotifyClamd\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002\u305d\u3057\u305f\u3089\u8d77\u52d5\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl enable clamav-freshclam --now<\/code><\/pre>\n\n\n\n\n\n<h3 class=\"wp-block-heading\">ClamAV-milter<\/h3>\n\n\n\n\n\u7d9a\u3044\u3066milter\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>dnf install clamav-milter<\/code><\/pre>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n<li>\/etc\/mail\/clamav-milter.conf<\/li>\n<\/ul>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>#Example<br>MilterSocket \/run\/clamav-milter\/clamav-milter.socket<br>MilterSocketMode 660<br>ClamdSocket unix:\/run\/clamd.scan\/clamd.sock<br>OnInfected Blackhole<br>AddHeader Replace<\/code><\/pre>\n\n\n\n\nExample\u3092\u30b3\u30e1\u30f3\u30c8\u5316\u3001Socket\uff08\u3068Mode\uff09\u3092\u6307\u5b9a\u3057\u3066\u4e0a\u306escan.conf\u3067\u6307\u5b9a\u3057\u305fsocket\u3092\u3053\u3061\u3089\u306b\u6307\u5b9a\u3002<br>OnInfected\u3067\u30a6\u30a3\u30eb\u30b9\u5224\u5b9a\u306a\u3089\u7834\u68c4\u3057\u3001\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3089\u30d8\u30c3\u30c0\u30fc\u3092\u30e1\u30fc\u30eb\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u3053\u308c\u3067\u8d77\u52d5\u3057\u307e\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl enable clamav-milter --now<\/code><\/pre>\n\n\n\n\n\n<h3 class=\"wp-block-heading\">Postfix<\/h3>\n\n\n\n\nmilter\u306e\u8a2d\u5b9a\u3068\u3001milter\u304c\u52d5\u4f5c\u3057\u3066\u3044\u306a\u3044\u6642\u306f\u7d20\u901a\u3057\u3059\u308b\u8a2d\u5b9a\u3092\u5165\u308c\u307e\u3059\u3002SpamAssassin\u306emilter\u306e\u5f8c\u308d\u306b\u30ab\u30f3\u30de\u3092\u4ed8\u3051\u3066ClamAV\u306emilter\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code># for milter\nsmtpd_milters = unix:\/run\/spamass-milter\/postfix\/sock,\n unix:\/run\/clamav-milter\/clamav-milter.socket\nmilter_default_action = accept<\/code><\/pre>\n\n\n\n\nclamilt\u30b0\u30eb\u30fc\u30d7\u306bpostfix\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>usermod -G clamilt -a postfix<\/code><\/pre>\n\n\n\n\n\u30ea\u30ed\u30fc\u30c9\n\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl reload postfix<\/code><\/pre>\n\n\n\n\n\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3068\u3001X-Virus-* \u30d8\u30c3\u30c0\u30fc\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-6.png\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"399\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-6-602x399.png\" alt=\"\" class=\"wp-image-7168\" srcset=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-6-602x399.png 602w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-6-400x265.png 400w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-6.png 604w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/a><\/figure>\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u5f3e\u304f\u30c6\u30b9\u30c8\u306e\u5834\u5408\u306f\u3001EICAR\u30c6\u30b9\u30c8\u3092\u672c\u6587\u306b\u66f8\u3044\u3066\u9001\u308b\u3068\u3001\u7834\u68c4\u3055\u308c\u3066\u5c4a\u304d\u307e\u305b\u3093\u3002\u30c1\u30a7\u30c3\u30af\u306b\u639b\u304b\u308a\u305d\u3046\u306a\u306e\u3067<a rel=\"noreferrer noopener\" href=\"https:\/\/support.kaspersky.co.jp\/common\/diagnostics\/7399\" target=\"_blank\">\u30ab\u30b9\u30da\u30eb\u30b9\u30ad\u30fc\u306e\u30da\u30fc\u30b8<\/a>\u3092\u53c2\u8003\u306b\u3002<br>\u5f3e\u304b\u308c\u308b\u3068\u3001\/var\/log\/maillog\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30ed\u30b0\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>milter-discard: END-OF-MESSAGE from localhost&#91;::1]: milter triggers DISCARD action;<\/code><\/pre>\n\n\n\n\n\n<h3 class=\"wp-block-heading\">Postgrey<\/h3>\n\n\n\n\nmilter-greylist\u306f\u3061\u3087\u3063\u3068\u9762\u5012\u306a\u306e\u3067\u3001postgrey\u3092\u4f7f\u3044\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>dnf install postgrey<\/code><\/pre>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n<li>\/etc\/postfix\/main.cf<\/li>\n<\/ul>\n\n\n\n\nDovecot \u30af\u30a9\u30fc\u30bf\u306e\u8a2d\u5b9a\u306b\u7d9a\u3051\u3066\u3001postgrey\u306eSocket\u3092\u8ffd\u52a0\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>smtpd_recipient_restrictions = check_policy_service inet:127.0.0.1:12340\n ,check_policy_service unix:\/var\/spool\/postfix\/postgrey\/socket<\/code><\/pre>\n\n\n\n\npostgrey\u3092\u8d77\u52d5\u3057\u3066postfix\u3092\u30ea\u30ed\u30fc\u30c9\n\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl enable postgrey --now\nsystemctl reload postfix<\/code><\/pre>\n\n\n\n\n\u30e1\u30fc\u30eb\u3092\u9001\u308d\u3046\u3068\u3059\u308b\u3068\u3001greylist\u5236\u9650\u3067\u6700\u521d\u306e\u8a66\u884c\u304b\u308960\u79d2\u9593\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u9001\u308c\u307e\u305b\u3093\u300260\u79d2\u5f8c\u306b\u9001\u308b\u3068\u4eca\u5ea6\u306f\u9001\u308c\u3066\u3001\u4e8c\u901a\u76ee\u4ee5\u964d\u306f\u5f85\u305f\u305a\u306b\u9001\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br>\u203b60\u79d2\u4ee5\u5185\u306b\u518d\u5ea6\u9001\u308d\u3046\u3068\u3059\u308b\u3068\u300160 seconds\u304c\u5f90\u3005\u306b\u30ab\u30a6\u30f3\u30c8\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u4e8b\u304c\u5206\u304b\u308a\u307e\u3059\u3002\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-7.png\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"149\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-7.png\" alt=\"\" class=\"wp-image-7169\"\/><\/a><\/figure>\n\n\n\n\u3067\u306f\u3001\u4eca\u5ea6\u306fWhitelist\u306b\u767b\u9332\u3057\u3066\u5f85\u305f\u305a\u306b\u901a\u3059\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3059\u3002\n\n\n\n\n<ul class=\"wp-block-list\">\n<li>\/etc\/postfix\/postgrey_whitelist_clients.local<\/li>\n<\/ul>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>virtual.localdomain<\/code><\/pre>\n\n\n\n\n\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u8ffd\u52a0\u3057\u305f\u3089\u3001postgrey\u3092\uff08\u30ea\u30ed\u30fc\u30c9\u306f\u7121\u3044\u306e\u3067\uff09\u30ea\u30b9\u30bf\u30fc\u30c8\u3057\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl restart postgrey<\/code><\/pre>\n\n\n\n\n\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3068\u3001\u7279\u306b\u5f85\u305f\u305a\u306b\u9001\u308c\u3066\u3001\/var\/log\/maillog\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306btriplet\u306b\u898b\u3064\u304b\u3063\u305f\u304b\u3089\u30d1\u30b9\u3057\u305f\u3088\u3001\u3068\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>postgrey&#91;11813]: action=pass, reason=triplet found, client_name=localhost, client_address=::1, sender=yamada@virtual.localdomain, recipient=yamada@virtual.localdomain<\/code><\/pre>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u5f85\u3061\u6642\u9593\u306e60\u79d2\u3092\u5909\u66f4\u3057\u305f\u3044\u6642\u306f\u3001\/etc\/sysconfig\/postgrey\u306e&#8211;delay=60\u3092\u5909\u66f4\u3057\u307e\u3059\u3002\n<\/div>\n<\/div>\n\n<a class=\"synved-social-button synved-social-button-share synved-social-size-24 synved-social-resolution-single synved-social-provider-facebook nolightbox\" data-provider=\"facebook\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Facebook\" href=\"https:\/\/www.facebook.com\/sharer.php?u=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7167&#038;t=milter%E3%81%A7%E3%82%A6%E3%82%A3%E3%83%AB%E3%82%B9%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E3%80%81%E3%81%8A%E3%81%BE%E3%81%91%E3%81%A7Postgrey&#038;s=100&#038;p&#091;url&#093;=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7167&#038;p&#091;images&#093;&#091;0&#093;=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-content%2Fuploads%2F2023%2F04%2Fimage-6-602x399.png&#038;p&#091;title&#093;=milter%E3%81%A7%E3%82%A6%E3%82%A3%E3%83%AB%E3%82%B9%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E3%80%81%E3%81%8A%E3%81%BE%E3%81%91%E3%81%A7Postgrey\" style=\"font-size: 0px;width:24px;height:24px;margin:0;margin-bottom:5px;margin-right:5px\"><img loading=\"lazy\" decoding=\"async\" alt=\"Facebook\" title=\"Share on Facebook\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"24\" height=\"24\" style=\"display: inline;width:24px;height:24px;margin: 0;padding: 0;border: none;box-shadow: none\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/48x48\/facebook.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-24 synved-social-resolution-single synved-social-provider-twitter nolightbox\" data-provider=\"twitter\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Twitter\" href=\"http:\/\/twitter.com\/share?url=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7167&#038;text=milter%E3%81%A7%E3%82%A6%E3%82%A3%E3%83%AB%E3%82%B9%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E3%80%81%E3%81%8A%E3%81%BE%E3%81%91%E3%81%A7Postgrey\" style=\"font-size: 0px;width:24px;height:24px;margin:0;margin-bottom:5px;margin-right:5px\"><img loading=\"lazy\" decoding=\"async\" alt=\"twitter\" title=\"Share on Twitter\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"24\" height=\"24\" style=\"display: inline;width:24px;height:24px;margin: 0;padding: 0;border: none;box-shadow: none\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/48x48\/twitter.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-24 synved-social-resolution-single synved-social-provider-linkedin nolightbox\" data-provider=\"linkedin\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Linkedin\" href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7167&#038;title=milter%E3%81%A7%E3%82%A6%E3%82%A3%E3%83%AB%E3%82%B9%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E3%80%81%E3%81%8A%E3%81%BE%E3%81%91%E3%81%A7Postgrey\" style=\"font-size: 0px;width:24px;height:24px;margin:0;margin-bottom:5px;margin-right:5px\"><img loading=\"lazy\" decoding=\"async\" alt=\"linkedin\" title=\"Share on Linkedin\" 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