{"id":7225,"date":"2023-04-20T17:08:17","date_gmt":"2023-04-20T08:08:17","guid":{"rendered":"https:\/\/www.lancard.com\/blog\/?p=7225"},"modified":"2025-03-12T11:23:57","modified_gmt":"2025-03-12T02:23:57","slug":"spf-postfix","status":"publish","type":"post","link":"https:\/\/www.lancard.com\/blog\/2023\/04\/20\/spf-postfix\/","title":{"rendered":"SPF\u3092\u30c6\u30b9\u30c8\u74b0\u5883\u306ePostfix\u306b\u7d44\u307f\u8fbc\u3080"},"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<a href=\"https:\/\/www.lancard.com\/blog\/2023\/01\/04\/sql-dovecot-postfix\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u4ee5\u524d\u4f5c\u3063\u305f\u30c6\u30b9\u30c8\u74b0\u5883<\/a>\u306ePostfix\u306b\u3001SPF(Sender Policy Framework)\u3092\u7d44\u307f\u8fbc\u3093\u3067\u307f\u307e\u3059\u3002<br>\u308f\u3056\u308f\u3056Google Domains\u3084\u3001\u304a\u540d\u524d.com\u304b\u3089\u53d6\u5f97\u3057\u306a\u304f\u3066\u3082\u3001\u8a66\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n<!--more-->\n\n\n\n\n<h2 class=\"wp-block-heading\">Dnsmasq<\/h2>\n\n\n\n\n\u307e\u305a\u306f\u81ea\u5206\u306e\u30ed\u30fc\u30ab\u30eb\u30c9\u30e1\u30a4\u30f3\u3092\u540d\u524d\u5f15\u304d\u51fa\u6765\u308b\u3088\u3046\u306bDnsmasq\u3092\u5165\u308c\u3066\u8a2d\u5b9a\u3057\u307e\u3059\u3002<br>\u3064\u3044\u3067\u306bresolv.conf\u3092Dnsmasq\u7528\u306b\u30b3\u30d4\u30fc\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>dnf install dnsmasq bind-utils\ncp -p \/etc\/resolv.conf \/etc\/resolv_dnsmasq.conf<\/code><\/pre>\n\n\n\n\n\n<h4 class=\"wp-block-heading\">\/etc\/resolv.conf<\/h4>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>nameserver 127.0.0.1<\/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\u8a18\u8f09\u5185\u5bb9\u3092\u4e00\u65e6\u5168\u3066\u524a\u9664\u3057\u3066\u3001\u4e0a\u8a18\u4e00\u884c\u3060\u3051\u306b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br>\u203b\u4f46\u3057\u518d\u8d77\u52d5\u3067\u5143\u306b\u623b\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u518d\u8d77\u52d5\u5f8c\u3082\u7dad\u6301\u3059\u308b\u306a\u3089nmtui\u7b49\u3067dns\u3092127.0.0.1\u306b\u8a2d\u5b9a\u3057\u3066\u4e0b\u3055\u3044\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<h4 class=\"wp-block-heading\">\/etc\/dnsmasq.conf<\/h4>\n\n\n\n\n\n<pre class=\"wp-block-preformatted\">resolv-file=\/etc\/resolv_dnsmasq.conf\ntxt-record=virtual.localdomain,\"v=spf1 ip4:192.168.10.79 ip4:127.0.0.1 ip6:::1 -all\"<\/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%\">\nDnsmasq\u304c\u53c2\u7167\u3059\u308bnameserver\u306e\u8a2d\u5b9a\u3092\/etc\/resolv_dnsmasq.conf\u306b\u3057\u3066\u3001virtual.localdomain\u306bTXT\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\n<\/div>\n<\/div>\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\u7d42\u308f\u3063\u305f\u3089Dnsmasq\u3092\u8d77\u52d5\u3057\u3066\u3001TXT\u30ec\u30b3\u30fc\u30c9\u304c\u5f15\u3051\u308b\u304b\u78ba\u8a8d\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl enable dnsmasq --now\ndig TXT virtual.localdomain\n# \u4ee5\u4e0b\u306e\u884c\u304c\u51fa\u308c\u3070OK\n# virtual.localdomain.    0       IN      TXT     \"v=spf1 ip4:127.0.0.1 ip6:::1 -all\"<\/code><\/pre>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">SPF<\/h2>\n\n\n\n\nPostfix\u7528\u306bpypolicyd-spf\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code> dnf install pypolicyd-spf<td valign=\"top\"><\/td><\/code><\/pre>\n\n\n\n\n\n<h4 class=\"wp-block-heading\">\/etc\/python-policyd-spf\/policyd-spf.conf<\/h4>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>Mail_From_reject = False\nskip_addresses = 192.0.2.0\/24<\/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%\">\nSPF\u306b\u30d1\u30b9\u3057\u306a\u304f\u3066\u3082\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u3088\u3046Mail_From_reject\u3092False\u306b\u5909\u66f4\u3057\u3001<br>\u30ed\u30fc\u30ab\u30eb\u30e1\u30fc\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3088\u3046\u3001skip_addresses\u3092\u9069\u5f53\u306a\u30a2\u30c9\u30ec\u30b9\u5e2f\uff08RFC5737\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u4f8b\u793a\u7528\u30a2\u30c9\u30ec\u30b9\uff09\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<br>\u203bskip_addresses\u3092\u7a7a\u6b04\u306b\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u306e\u3067\u3001\u4f55\u304b\u5165\u308c\u306a\u3044\u3068\u99c4\u76ee\u3067\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n\u8d77\u52d5\u3057\u3066\u554f\u984c\u7121\u3044\uff1d\u4f55\u3082\u51fa\u529b\u3055\u308c\u305a\u306b\u3001\u5f85\u3061\u72b6\u614b\u306b\u306a\u308b\u4e8b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>\/usr\/libexec\/postfix\/policyd-spf \/etc\/python-policyd-spf\/policyd-spf.conf<\/code><\/pre>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Postfix<\/h2>\n\n\n\n\nman policyd-spf\u3067POSTFIX INTEGRATION\u4f8b\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30d1\u30b9\u304c\u9055\u3063\u305f\u308a\u3059\u308b\u306e\u3067\u5fae\u8abf\u6574\u304c\u5fc5\u8981\u3067\u3059\u3002\n\n\n\n\n<h4 class=\"wp-block-heading\">\/etc\/postfix\/master.cf<\/h4>\n\n\n\n\n\n<pre class=\"wp-block-preformatted\">policyd-spf unix -       n       n       -       0       spawn\n  user=nobody argv=\/usr\/libexec\/postfix\/policyd-spf<\/pre>\n\n\n\n\n\n<h4 class=\"wp-block-heading\">\/etc\/postfix\/main.cf<\/h4>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code># \u4ed6\u306b\u8a18\u8f09\u304c\u6709\u308c\u3070\u6700\u5f8c\u3078\u8ffd\u52a0\u3001\u306a\u3051\u308c\u3070\u5358\u306b\u8ffd\u52a0\nsmtpd_recipient_restrictions =\n  #...,\n  check_policy_service unix:private\/policyd-spf\n\npolicyd-spf_time_limit = 3600<\/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\u3053\u3053\u3067\u6ce8\u610f\u3067\u3059\u304c\u3001smtpd_relay_restrictions\u306b\u8a18\u8f09\u3057\u3066\u3082\u52d5\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br>Postfix2.10\u304b\u3089\u306fsmtpd_relay_restrictions\u304c\u8ffd\u52a0\u3055\u308c\u3066reject_unauth_destination\u3068\u304b\u3082\u3053\u3061\u3089\u306b\u8a18\u8f09\u3057\u305f\u308a\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u305d\u308c\u306b\u6c17\u4ed8\u304b\u305a\u306b\u66ab\u304f\u5538\u3063\u3066\u3044\u307e\u3057\u305f\u3002\n<\/div>\n<\/div>\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<em>\u203b\u305d\u3082\u305d\u3082\u30ea\u30ec\u30fc\u8a31\u53ef\u3068\u30b9\u30d1\u30e0\u30d6\u30ed\u30c3\u30af\u306e\u30eb\u30fc\u30eb\u304csmtpd_recipient_restrictions\u306e\u4e0b\u3067\u7d50\u5408\u3055\u308c\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u69cb\u6210\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u304c<a rel=\"noreferrer noopener\" href=\"http:\/\/www.postfix.org\/postconf.5.html#smtpd_relay_restrictions\" target=\"_blank\">smtpd_relay_restrictions<\/a>\u304c\u4f5c\u3089\u308c\u305f\u8d77\u56e0\u3089\u3057\u3044\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u4e00\u8a00\u6709\u3063\u3066\u3082\u826f\u3044\u3093\u3058\u3083\u306a\u3044\u3068\u306f\u601d\u3044\u307e\u3057\u305f\u304c\u3001\u307e\u3041Postfix 2.10\u4ee5\u524d\u3067\u3082\u52d5\u304d\u307e\u3059\u304b\u3089\u306d\u30fb\u30fb\u30fb\u3002<\/em>\n<\/div>\n<\/div>\n\n\n\n\n\u5f8c\u306fpostconf\u3067Warning\u7b49\u304c\u51fa\u306a\u3044\u4e8b\u3092\u78ba\u8a8d\u3057\u3066\u30ea\u30ed\u30fc\u30c9\u3057\u305f\u3089\u3001\/var\/spool\/postfix\/private\/policyd-spf\u304c\u4f5c\u3089\u308c\u3066\u3044\u308b\u7b48\u3067\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>postconf smtpd_recipient_restrictions\nsystemctl reload postfix<\/code><\/pre>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">\u30e1\u30fc\u30eb<\/h2>\n\n\n\n\nRoundCube\u3067\u81ea\u30c9\u30e1\u30a4\u30f3\u5b9b\u306b\u30e1\u30fc\u30eb\u3092\u98db\u3070\u3057\u3066\u3001\u30e1\u30fc\u30eb\u306eSPF\u30d8\u30c3\u30c0\u30fc\u304cpass\u306b\u306a\u3063\u3066\u3044\u308c\u3070\u3001SPF\u30c1\u30a7\u30c3\u30af\u3092\u30d1\u30b9\u3057\u305f\u4e8b\u306b\u306a\u308a\u307e\u3059\u3002<br>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-8.png\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"241\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-8-602x241.png\" alt=\"\" class=\"wp-image-7250\" srcset=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-8-602x241.png 602w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-8-400x160.png 400w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-8.png 604w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/a><\/figure>\n\n\n\n\n<pre class=\"wp-block-code\"><code>Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=::1; helo=192.168.10.79; envelope-from=yamada@virtual.localdomain; receiver=&lt;UNKNOWN&gt;<\/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%\">\nTXT\u30ec\u30b3\u30fc\u30c9\u304b\u3089SPF\u3092\u6b63\u3057\u304f\u5f15\u3051\u306a\u3044\u3068\u3001\u4e0a\u8a18\u306fPass\u3067\u306a\u304fNone\u306b\u306a\u308a\u307e\u3059\u3002<br>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-9.png\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"242\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-9-602x242.png\" alt=\"\" class=\"wp-image-7259\" srcset=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-9-602x242.png 602w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-9-400x161.png 400w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/04\/image-9.png 604w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/a><\/figure>\n\n\n\n<br>txt-record\u884c\u3092\u30b3\u30e1\u30f3\u30c8\u5316\u3057\u3066dnsmasq\u3092restart\u3055\u305b\u308b\u3068\u5f15\u3051\u306a\u304f\u306a\u308b\u306e\u3067\u3001\u8a66\u3057\u3066\u307f\u3066\u3082\u826f\u3044\u3067\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\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%2F7225&#038;t=SPF%E3%82%92%E3%83%86%E3%82%B9%E3%83%88%E7%92%B0%E5%A2%83%E3%81%AEPostfix%E3%81%AB%E7%B5%84%E3%81%BF%E8%BE%BC%E3%82%80&#038;s=100&#038;p&#091;url&#093;=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7225&#038;p&#091;images&#093;&#091;0&#093;=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-content%2Fuploads%2F2023%2F04%2Fimage-8-602x241.png&#038;p&#091;title&#093;=SPF%E3%82%92%E3%83%86%E3%82%B9%E3%83%88%E7%92%B0%E5%A2%83%E3%81%AEPostfix%E3%81%AB%E7%B5%84%E3%81%BF%E8%BE%BC%E3%82%80\" 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%2F7225&#038;text=SPF%E3%82%92%E3%83%86%E3%82%B9%E3%83%88%E7%92%B0%E5%A2%83%E3%81%AEPostfix%E3%81%AB%E7%B5%84%E3%81%BF%E8%BE%BC%E3%82%80\" 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: 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