{"id":7578,"date":"2026-10-02T00:42:56","date_gmt":"2026-10-01T15:42:56","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=7578"},"modified":"2026-09-22T16:58:07","modified_gmt":"2026-09-22T07:58:07","slug":"post-7578","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/7578","title":{"rendered":"\u81ea\u524d\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304cGmail\u3067\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u306a\u3044\u3088\u3046\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p><a href=\"https:\/\/taitan916.info\/blog\/archives\/7566\" target=\"_blank\" rel=\"noopener\">\u5148\u65e5\u69cb\u7bc9\u3057\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u7528\u30b3\u30f3\u30c6\u30ca<\/a>\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u3001Gmail\u3084Yahoo\u30e1\u30fc\u30eb\u3060\u3068\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3002\u3053\u308c\u3092\u4f55\u3068\u304b\u3057\u3066\u307f\u305f\u3044\u3002\u8abf\u3079\u305f\u3068\u3053\u308d\u9006\u5f15\u304d \/ SPF \/ DKIM \/ DMARC\u8a2d\u5b9a\u304c\u5fc5\u8981\u306b\u306a\u308a\u305d\u3046\u3002\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u524d\u63d0<\/h2>\n<ul>\n<li>\u9001\u4fe1\u7528\u30a2\u30c9\u30ec\u30b9\u306fmail.\u30c9\u30e1\u30a4\u30f3\u3068\u306a\u308b\u3002\u4f8b\u3068\u3057\u3066test_user@mail.test.com\u306e\u5f62<\/li>\n<li>VPS\u306fKagoya\u3001\u30c9\u30e1\u30a4\u30f3\u3068DNS\u306f\u30e0\u30fc\u30e0\u30fc\u30c9\u30e1\u30a4\u30f3<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><span id=\"i-2\"><span id=\"i\">\u74b0\u5883\u306b\u3064\u3044\u3066<\/span><\/span><\/h2>\n<h3><span id=\"VPS\">VPS<\/span><\/h3>\n<p>\u4eca\u56de\u306f<a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=4BC6AZ+EAEJG2+7YE+NXU8I\" target=\"_blank\" rel=\"noopener\">KAGOYA CLOUD VPS<\/a>\u306eCPU1\u30b3\u30a2 \/ \u30e1\u30e2\u30ea1GB\u30d7\u30e9\u30f3\u3067\u4f5c\u696d\u3057\u305f\u3002SSH\u63a5\u7d9a\u306f<a href=\"https:\/\/support.kagoya.jp\/vps\/manual\/index.php?action=artikel&amp;cat=25&amp;id=9&amp;artlang=ja\" target=\"_blank\" rel=\"noopener\">\u516c\u5f0f\u6848\u5185<\/a>\u306e\u901a\u308a\u4ee5\u4e0b\u3067\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u308b\u3002<\/p>\n<ul>\n<li>\u63a5\u7d9a\u30dd\u30fc\u30c8 -&gt; 22<\/li>\n<li>\u30e6\u30fc\u30b6\u540d -&gt; root<\/li>\n<li>\u30d1\u30b9\u30ef\u30fc\u30c9 or \u79d8\u5bc6\u9375 -&gt; \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4f5c\u6210\u6642\u306b\u9078\u629e\u3057\u305f\u3082\u306e<\/li>\n<\/ul>\n<h3><span id=\"VPS-2\"><span id=\"VPS_AlmaLinux_Nginx\"><span id=\"VPS_AlmaLinux\"><span id=\"VPS_AlmaLinux_Apache\"><span id=\"AlmaLinux_Apache\">\u30db\u30b9\u30c8(VPS)\u5074<\/span><\/span><\/span><\/span><\/span><\/h3>\n<ul>\n<li>AlmaLinux\u00a0<span class=\"enlighter-n0\">8.10<\/span>\u00a0<span class=\"enlighter-g1\">(<\/span><span class=\"enlighter-text\">Cerulean Leopard<\/span><span class=\"enlighter-g1\">)<\/span><\/li>\n<\/ul>\n<h3><span id=\"i-3\"><span id=\"i-2\">\u30b3\u30f3\u30c6\u30ca\u5074<\/span><\/span><\/h3>\n<ul>\n<li>podman version 4.9.4-rhel<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u5bfe\u5fdc\u65b9\u6cd5<\/h2>\n<h3>\u9006\u5f15\u304d\u8a2d\u5b9a<\/h3>\n<p><a href=\"https:\/\/support.kagoya.jp\/vps\/manual\/index.php?action=artikel&amp;cat=40&amp;id=51&amp;artlang=ja\" target=\"_blank\" rel=\"noopener\">\u516c\u5f0f\u6848\u5185<\/a>\u306e\u901a\u308a\u306b\u9006\u5f15\u304d\u8a2d\u5b9a\u3092\u884c\u3046\u3002\u8a2d\u5b9a\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u306fmail\u3092\u629c\u3044\u3066\u300ctest.com\u300d\u306b\u306a\u308b\u3002<\/p>\n<h4>\u9006\u5f15\u304d\u8a2d\u5b9a\u3068\u306f<\/h4>\n<p>\u30c9\u30e1\u30a4\u30f3 -&gt; IP\u30a2\u30c9\u30ec\u30b9\u304c\u6b63\u5f15\u304d\u3001IP\u30a2\u30c9\u30ec\u30b9 -&gt; \u30c9\u30e1\u30a4\u30f3\u304c\u9006\u5f15\u304d\u3002\u7b2c\u4e09\u8005\u304c\u300c\u79c1\u306ftest.com\u3067\u3059\u3068\u300d\u3068\u5618\u3092\u3064\u304f\u3053\u3068\u306f\u3067\u304d\u308b\u304c\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u6240\u6301\u8005\u306f\u5618\u3092\u3064\u3051\u306a\u3044\uff08\u6240\u6301\u8005\u3058\u3083\u306a\u3044\u3068\u6b63\u5f15\u304d\u8a2d\u5b9a\u3067\u304d\u306a\u3044\uff09\u305f\u3081\u3001\u53d7\u4fe1\u5074\u304b\u3089\u3059\u308b\u3068\u30c1\u30a7\u30c3\u30af\u5bfe\u8c61\u306b\u306a\u308b\u3002<\/p>\n<h4>Web ARENA Indigo VPS\u306e\u5834\u5408<\/h4>\n<p>\u5b89\u3044\u65b9\u306eVPS\u3060\u3068<a href=\"https:\/\/help.arena.ne.jp\/hc\/ja\/articles\/360038700514-%E3%82%A4%E3%83%B3%E3%82%B9%E3%82%BF%E3%83%B3%E3%82%B9%E3%81%AEIP%E3%82%A2%E3%83%89%E3%83%AC%E3%82%B9%E3%81%AE%E9%80%86%E5%BC%95%E3%81%8D%E3%81%A7%E6%A4%9C%E7%B4%A2%E3%81%95%E3%82%8C%E3%81%9F%E3%83%9B%E3%82%B9%E3%83%88%E5%90%8D%E3%81%A7%E6%AD%A3%E5%BC%95%E3%81%8D%E3%82%92%E8%A8%AD%E5%AE%9A%E3%81%97%E3%81%9F%E3%81%84%E3%81%A7%E3%81%99-Indigo\" target=\"_blank\" rel=\"noopener\">\u516c\u5f0f\u6848\u5185<\/a>\u306e\u901a\u308a\u9006\u5f15\u304d\u8a2d\u5b9a\u4e0d\u53ef\u3002<a href=\"https:\/\/help.arena.ne.jp\/hc\/ja\/articles\/4416476187415-%E9%80%86%E5%BC%95%E3%81%8D%E3%81%AE%E8%A8%AD%E5%AE%9A\" target=\"_blank\" rel=\"noopener\">Pro\u306e\u65b9\u3060\u3068\u3067\u304d\u308b<\/a>\u307f\u305f\u3044\u3002<\/p>\n<h3>DKIM\u8a2d\u5b9a<\/h3>\n<p>\u30b5\u30fc\u30d0\u306bSSH\u63a5\u7d9a\u3057\u3001\u4ee5\u4e0b\u30b3\u30de\u30f3\u30c9\u3067\u8a2d\u5b9a\u3092\u884c\u3046\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># \uff08\u5fc5\u8981\u306b\u5fdc\u3058\u3066\uff09epal\u30ec\u30dd\u30b8\u30c8\u30ea\u306e\u8ffd\u52a0\r\ndnf -y install epel-release\r\n\r\n# OpenDKIM\u3068\u30c4\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\r\ndnf -y install opendkim opendkim-tools\r\n\r\n# \u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a\r\nsystemctl\u00a0enable\u00a0opendkim\r\n\r\n# \u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a\u78ba\u8a8d\uff08enabled\u306a\u3089OK\uff09\r\nsystemctl is-enabled opendkim\r\n\r\n# OpenDKIM\u7528\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4f5c\u6210\r\nmkdir -p \/etc\/opendkim\/keys\/test.com\r\n\r\n# \u4f5c\u6210\u3057\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\r\ncd \/etc\/opendkim\/keys\/test.com\r\n\r\n# \u79d8\u5bc6\u9375\u3068\u516c\u958b\u9375\u306e\u751f\u6210\r\nopendkim-genkey -s default -d test.com\r\n\r\n# OpenDKIM\u304c\u8aad\u307f\u8fbc\u3081\u308b\u3088\u3046\u6240\u6709\u8005\u306e\u5909\u66f4\r\nchown -R opendkim:opendkim \/etc\/opendkim\/keys\/\r\n<\/pre>\n<p>\u307e\u305f\u3001\u5404\u7a2e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># OpenDKIM\u306e\u30e1\u30a4\u30f3\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\r\nvi \/etc\/opendkim.conf\r\n\r\n### \u4ee5\u4e0b\u3092\u8ffd\u8a18\u3082\u3057\u304f\u306f\u7de8\u96c6\r\n# Postfix\u304b\u3089\u30e1\u30fc\u30eb\u7f72\u540d\u3092\u53d7\u3051\u4ed8\u3051\u308b\u305f\u3081\u306e\u8a2d\u5b9a\r\nSocket            inet:8891@0.0.0.0\r\n\r\n# \u7f72\u540d\u5c02\u7528\u3068\u3057\u3066\u8a2d\u5b9a\r\nMode              s\r\n\r\n# \u9375\u306e\u4fdd\u5b58\u5834\u6240\r\nKeyTable          \/etc\/opendkim\/KeyTable\r\n\r\n# \u3069\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u3069\u306e\u9375\u3092\u4f7f\u3046\u304b\u306e\u5272\u308a\u5f53\u3066\u30eb\u30fc\u30eb\u306e\u5834\u6240\r\nSigningTable      refile:\/etc\/opendkim\/SigningTable\r\n\r\n# \u7f72\u540d\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u3001IP\u306e\u30ea\u30b9\u30c8\r\nInternalHosts     127.0.0.1, 10.89.30.0\/24, test.com, mail.test.com\r\n\r\n\r\n### \u9375\u306e\u4fdd\u5b58\u30ea\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\r\nvi \/etc\/opendkim\/KeyTable\r\n\r\n### \u4ee5\u4e0b\u3092\u8ffd\u8a18\u3082\u3057\u304f\u306f\u7de8\u96c6\r\n# \u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u9375\u306e\u4fdd\u5b58\u5834\u6240\u3092\u8a18\u8ff0\r\ndefault._domainkey.test.com test.com:default:\/etc\/opendkim\/keys\/test.com\/default.private\r\n\r\n\r\n### \u3069\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u3069\u306e\u9375\u3092\u4f7f\u3046\u304b\u306e\u5272\u308a\u5f53\u3066\u30eb\u30fc\u30eb\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\r\nvi \/etc\/opendkim\/SigningTable\r\n\r\n### \u4ee5\u4e0b\u3092\u8ffd\u8a18\u3082\u3057\u304f\u306f\u7de8\u96c6\r\n# \u30eb\u30fc\u30eb\u306e\u6307\u5b9a\u3002\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c8\u6307\u5b9a\u306e\u305f\u3081info \/ no-reply@test.com \u7b49\u3001\u30c9\u30e1\u30a4\u30f3\u304c\u3042\u3063\u3066\u3044\u308c\u3070OK\r\n*@test.com default._domainkey.test.com\r\n*@mail.test.com default._domainkey.test.com<\/pre>\n<p>\u5404\u7a2e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\u304c\u5b8c\u4e86\u5f8c\u3001\u4ee5\u4e0b\u3067\u8a2d\u5b9a\u5185\u5bb9\u3092\u53cd\u6620\u3002\u307e\u305f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3082\u89e3\u653e\u3057\u3066\u304a\u304f\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># OpenDKIM\u518d\u8d77\u52d5\r\nsystemctl restart opendkim\r\n\r\n# 10.89.30.0\/24\uff08docker-compose.yml\u3067\u6307\u5b9a\u3057\u3066\u3044\u305fweb-db-net\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306eIP\u5e2f\uff09\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u958b\u653e\r\nfirewall-cmd --zone=trusted --add-source=10.89.30.0\/24 --permanent\r\n\r\n# \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u518d\u8d77\u52d5\r\nfirewall-cmd --reload<\/pre>\n<h4>DKIM\u8a2d\u5b9a\u3068\u306f<\/h4>\n<p>\u79d8\u5bc6\u9375\u3068\u516c\u958b\u9375\u3092\u7528\u3044\u305fWeb\u30b5\u30fc\u30d0\u306eSSL\u8a3c\u660e\u66f8\u306e\u3088\u3046\u306a\u3082\u306e\u3002\u9001\u4fe1\u6642\u306b\u79d8\u5bc6\u9375\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u30fc\u306b\u7f72\u540d -&gt; \u53d7\u4fe1\u5074\u306fDNS\u304b\u3089\u516c\u958b\u9375\u3092\u53d6\u3063\u3066\u304d\u3066\u3001\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u30fc\u306e\u7f72\u540d\u304c\u89e3\u8aad\u3067\u304d\u308b\u304b\u8a66\u3059 -&gt; \u89e3\u8aad\u3055\u308c\u308c\u3070\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u3082\u306e\u3068\u3057\u3066\u8a3c\u660e\u3067\u304d\u308b\u3068\u3044\u3046\u3082\u306e\u3002<\/p>\n<h3>Postfix\u8a2d\u5b9a<\/h3>\n<p>main.cf\u3092\u4ee5\u4e0b\u306e\u901a\u308a\u8ffd\u8a18\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># \u52d5\u4f5c\u4e92\u63db\u6027\u30d0\u30fc\u30b8\u30e7\u30f3\r\ncompatibility_level = 2\r\n\r\n# \u30db\u30b9\u30c8\u540d\u3068\u30c9\u30e1\u30a4\u30f3\u306e\u8a2d\u5b9a\r\nmyhostname = test.com\r\nmydomain = test.com\r\nmyorigin = $myhostname\r\n\r\n# \u5168\u3066\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u304b\u3089\u306e\u63a5\u7d9a\u3092\u8a31\u53ef\r\ninet_interfaces = all\r\n\r\n# IPv4\u306e\u307f\u8a31\u53ef\r\ninet_protocols = ipv4\r\n\r\n# \u6307\u5b9a\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u5b9b\u3066\u306b\u53d7\u4fe1\u3057\u305f\u5834\u5408\u3001\u8ee2\u9001\u305b\u305a\u30b5\u30fc\u30d0\u5185\u306b\u4fdd\u5b58\r\nmydestination = $myhostname, localhost.$mydomain, localhost, $mydomain\r\n\r\n# \u30e1\u30fc\u30eb\u4fdd\u5b58\u5148\r\nhome_mailbox = Maildir\/\r\n\r\n# \u30b3\u30f3\u30c6\u30ca\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u306e\u9001\u4fe1\u3092\u7121\u6761\u4ef6\u8a31\u53ef\uff08\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u30b3\u30f3\u30c6\u30ca\u4ee5\u5916\u304b\u3089\u9001\u4fe1\u3057\u305f\u3044\u5834\u5408\u306f\u5f53\u8a72\u74b0\u5883\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8ffd\u8a18\uff09\r\nmynetworks = 127.0.0.0\/8, 10.0.0.0\/8, 172.16.0.0\/12, 192.168.0.0\/16\r\n\r\n# \u8ee2\u9001\u8a2d\u5b9a\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7121\u52b9\u306b\u3057\u30a8\u30e9\u30fc\u56de\u907f\r\nalias_maps =\r\nalias_database =\r\n\r\n# ====================================================================\r\n# \u4ee5\u4e0b\u3092\u8ffd\u8a18\r\n# ====================================================================\r\n\r\n# \u3053\u306epostfix\u304b\u3089\u9001\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u306f\u540c\u30b5\u30fc\u30d0\u304c\u767a\u4fe1\u6e90\uff08\u5916\u90e8\u304b\u3089\u306e\u8ee2\u9001\u30e1\u30fc\u30eb\u3067\u306f\u306a\u3044\uff09= DKIM\u7f72\u540d\u3092\u3055\u305b\u308b\u305f\u3081\u306e\u6307\u5b9a\r\nmilter_macro_daemon_name = ORIGINATING\r\n\r\n# Web\u30b5\u30fc\u30d0\u7528\u30b3\u30f3\u30c6\u30ca\u7b49\u3001\u5916\u90e8\u304b\u3089SMTP\u7d4c\u7531\u3067\u5c4a\u3044\u305f\u9001\u4fe1\u30e1\u30fc\u30eb\u306b\u5bfe\u3057\u3066DKIM\u7f72\u540d\u3092\u3055\u305b\u308b\u305f\u3081\u306e\u6307\u5b9a\r\nsmtpd_milters = inet:10.89.30.1:8891\r\n\r\n# \u30b5\u30fc\u30d0\u30fc\u5185\u90e8\u306e\u30b3\u30de\u30f3\u30c9\u304b\u3089\u5c4a\u3044\u305f\u9001\u4fe1\u30e1\u30fc\u30eb\u306b\u5bfe\u3057\u3066DKIM\u7f72\u540d\u3092\u3055\u305b\u308b\u305f\u3081\u306e\u6307\u5b9a\r\nnon_smtpd_milters = inet:10.89.30.1:8891\r\n\r\n# TLS\u6697\u53f7\u5316\u8a2d\u5b9a\r\nsmtp_tls_security_level = may\r\nsmtp_tls_loglevel = 1<\/pre>\n<h3>DNS\u8a2d\u5b9a\uff08DMARC\u8a2d\u5b9a\u3082\uff09<\/h3>\n<p>\u4e8b\u524d\u306bOpenDKIM\u306e\u516c\u958b\u9375\u3092\u4ee5\u4e0b\u3067\u53d6\u5f97\u3057\u3066\u304a\u304f\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">cat \/etc\/opendkim\/keys\/test.com\/default.txt<\/pre>\n<p>\u6b21\u306b\u4ee5\u4e0b\u306eDNS\u8a2d\u5b9a\u3092\u884c\u3046\uff08\u30e0\u30fc\u30e0\u30fcDNS\u3067\u306e\u8a2d\u5b9a\u9805\u76ee\u540d\uff09\u3002<\/p>\n<table>\n<tbody>\n<tr style=\"border: 1px solid #000;\">\n<th>\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3<\/th>\n<th>\u7a2e\u5225<\/th>\n<th>\u5185\u5bb9<\/th>\n<th>\u512a\u5148\u5ea6<\/th>\n<\/tr>\n<tr>\n<td><\/td>\n<td>MX<\/td>\n<td>test.com<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>TXT<\/td>\n<td>v=spf1 ip4:\u3010\u30b5\u30fc\u30d0\u306eIP\uff08\u30b3\u30f3\u30c6\u30ca\u306eIP\u3067\u306f\u306a\u3044\uff09\u3011 -all<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>mail<\/td>\n<td>A<\/td>\n<td>\u3010\u30b5\u30fc\u30d0\u306eIP\uff08\u30b3\u30f3\u30c6\u30ca\u306eIP\u3067\u306f\u306a\u3044\uff09\u3011<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>mail<\/td>\n<td>TXT<\/td>\n<td>v=spf1 ip4:\u3010\u30b5\u30fc\u30d0\u306eIP\uff08\u30b3\u30f3\u30c6\u30ca\u306eIP\u3067\u306f\u306a\u3044\uff09\u3011 -all<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>default._domainkey<\/td>\n<td>TXT<\/td>\n<td>\u3010OpenDKIM\u306e\u516c\u958b\u9375\u3002\u4ee5\u964d\u306f\u4f8b\u3011v=DKIM1; k=rsa; p=xxxxxxxxxxx<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>_dmarc<\/td>\n<td>TXT<\/td>\n<td>v=DMARC1; p=none;<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>DMARC\u3068\u306f<\/h4>\n<p>SPF \/ DKIM\u3067\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u30e1\u30fc\u30eb\u306e\u6271\u3044\u3092\u4ee5\u4e0b\u306e\u901a\u308a\u6307\u5b9a\u3002<\/p>\n<ul>\n<li>none -&gt; \u53d7\u4fe1\u5074\u306b\u5224\u65ad\u3092\u59d4\u306d\u308b<\/li>\n<li>quarantine -&gt; \u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/li>\n<li>reject -&gt; \u524a\u9664<\/li>\n<\/ul>\n<h3>\u52d5\u4f5c\u78ba\u8a8d<\/h3>\n<p><a href=\"https:\/\/taitan916.info\/blog\/archives\/7566#mail_testphp\" target=\"_blank\" rel=\"noopener\">\u5148\u65e5\u30e1\u30e2\u3057\u305f\u30e1\u30fc\u30eb\u9001\u4fe1\u30d7\u30ed\u30b0\u30e9\u30e0<\/a>\u304b\u3089\u9001\u4fe1\u3057\u3001\u4ee5\u4e0b\u306e\u7528\u306eSPF \/ DKIM \/ DMARC\u304cPASS\u306b\u306a\u3063\u3066\u3044\u308c\u3070OK\u3002<\/p>\n<p><a href=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2026\/10\/002.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7590\" src=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2026\/10\/002-300x111.jpg\" alt=\"\" width=\"300\" height=\"111\" srcset=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2026\/10\/002-300x111.jpg 300w, https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2026\/10\/002-1024x378.jpg 1024w, https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2026\/10\/002-768x284.jpg 768w, https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2026\/10\/002.jpg 1072w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>\u6240\u611f<\/h2>\n<p>\u8ff7\u60d1\u30e1\u30fc\u30eb\u6271\u3044\u306b\u306a\u3089\u305a\u306b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u6e80\u8db3\u3002<\/p>\n<p>\u305f\u3060\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u8e0f\u307f\u53f0\u306e\u30ea\u30b9\u30af\u3001\u30e1\u30fc\u30eb\u5230\u9054\u7387\u306e\u61f8\u5ff5\u7b49\u3092\u8003\u3048\u305f\u969b\u306b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u672c\u756a\u3067\u69cb\u7bc9\u30fb\u904b\u7528\u3057\u305f\u3044\u304b\u3068\u8a00\u308f\u308c\u308b\u3068\u5fae\u5999\u3002<\/p>\n<p>\u672c\u756a\u904b\u7528\u3060\u3068\u9001\u4fe1\u306fSendgrid\u7b49\u306e\u5916\u90e8SMTP\u30b5\u30fc\u30d0\u3001\u53d7\u4fe1\u306f\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3082\u3057\u304f\u306fGoogle Workspace\u7b49\u3067\u5bfe\u5fdc\u3059\u308b\u306e\u304c\u7121\u96e3\u306a\u306e\u304b\u3082\u3002<\/p>\n<p>\u5c1a\u3001<a href=\"https:\/\/github.com\/docker-mailserver\/docker-mailserver\" target=\"_blank\" rel=\"noopener\">docker-mailserver<\/a>\u3092\u5c0e\u5165\u3059\u308c\u3070\u4eca\u56de\u5bfe\u5fdc\u3057\u305fDKIM\u8a2d\u5b9a\uff08\u9375\u4f5c\u6210\u7b49\u3082\u542b\u3081\u3066\uff09\u3068\u304b\u3082\u542b\u3081\u3066\u3082\u3063\u3068\u7c21\u5358\u306b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u7528\u30b3\u30f3\u30c6\u30ca\u3092\u69cb\u7bc9\u3067\u304d\u308b\u3089\u3057\u3044\u3002\u3053\u3061\u3089\u3082\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u3053\u308d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u65e5\u69cb\u7bc9\u3057\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u7528\u30b3\u30f3\u30c6\u30ca\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u3001Gmail\u3084Yahoo\u30e1\u30fc\u30eb\u3060 ... <\/p>\n","protected":false},"author":1,"featured_media":7215,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,120],"tags":[],"class_list":["post-7578","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","category-podman"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u5148\u65e5\u69cb\u7bc9\u3057\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u7528\u30b3\u30f3\u30c6\u30ca\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u3001Gmail\u3084Yahoo\u30e1\u30fc\u30eb\u3060\u3068\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3002\u3053\u308c\u3092\u4f55\u3068\u304b\u3057\u3066\u307f\u305f\u3044\u3002\u8abf\u3079\u305f\u3068\u3053\u308d\u9006\u5f15\u304d \/ SPF \/ DKIM \/ DMARC\u8a2d\u5b9a\u304c\u5fc5\u8981\u306b\u306a\u308a\u305d\u3046\u3002\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u65b9\u6cd5\u3092\u30e1\u30e2\u3002\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"taitan\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/taitan916.info\/blog\/archives\/7578\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ja_JP\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\u81ea\u524d\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304cGmail\u3067\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u306a\u3044\u3088\u3046\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\" \/>\n\t\t<meta property=\"og:description\" content=\"\u5148\u65e5\u69cb\u7bc9\u3057\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u7528\u30b3\u30f3\u30c6\u30ca\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u3001Gmail\u3084Yahoo\u30e1\u30fc\u30eb\u3060\u3068\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3002\u3053\u308c\u3092\u4f55\u3068\u304b\u3057\u3066\u307f\u305f\u3044\u3002\u8abf\u3079\u305f\u3068\u3053\u308d\u9006\u5f15\u304d \/ SPF \/ DKIM \/ DMARC\u8a2d\u5b9a\u304c\u5fc5\u8981\u306b\u306a\u308a\u305d\u3046\u3002\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u65b9\u6cd5\u3092\u30e1\u30e2\u3002\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/taitan916.info\/blog\/archives\/7578\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2026\/08\/podman.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2026\/08\/podman.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t\t<meta property=\"og:image:height\" content=\"512\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-10-01T15:42:56+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-09-22T07:58:07+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\u81ea\u524d\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304cGmail\u3067\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u306a\u3044\u3088\u3046\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\" \/>\n\t\t<meta name=\"twitter:description\" 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