{"id":15428,"date":"2024-05-29T08:50:25","date_gmt":"2024-05-28T23:50:25","guid":{"rendered":"https:\/\/blastmail.jp\/blog\/?p=15428"},"modified":"2025-12-23T17:50:32","modified_gmt":"2025-12-23T08:50:32","slug":"smtpserver-construction","status":"publish","type":"post","link":"https:\/\/blastmail.jp\/blog\/mail-delivery\/smtpserver-construction","title":{"rendered":"SMTP\u30b5\u30fc\u30d0\u30fc\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u3084\u69cb\u7bc9\u624b\u9806\uff08Windows\/Linux\uff09\u30af\u30e9\u30a6\u30c9\u5229\u7528\u6642\u306e\u6ce8\u610f\u70b9\u3092\u89e3\u8aac\u3057\u307e\u3059"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-15430\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2024\/05\/smtp_servar_make.png\" alt=\"\" width=\"700\" height=\"394\" 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\u7269\u7406\u7684\u306a\u5dee\u8fbc\u53e3\uff08LAN\u30dd\u30fc\u30c8\u3084USB\u30dd\u30fc\u30c8\uff09\u3068\u306f\u7570\u306a\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u4f4f\u6240\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09\u306b\u3042\u308b\u300c\u3069\u306e\u90e8\u5c4b\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09\u306b\u30c7\u30fc\u30bf\u3092\u5c4a\u3051\u308b\u304b\u300d\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u756a\u53f7\u3067\u3059\u3002<\/div>\n<p>\u5e83\u3044\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u4e2d\u3067\u3001\u6b63\u3057\u3044\u76f8\u624b\u306e\u3001\u3055\u3089\u306b\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08\u3053\u306e\u5834\u5408\u306f\u30e1\u30fc\u30eb\u6a5f\u80fd\uff09\u306b\u30c7\u30fc\u30bf\u3092\u5c4a\u3051\u308b\u305f\u3081\u306b\u3001\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u3088\u308b\u8b58\u5225\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30dd\u30fc\u30c8\u306b\u306f\u5f79\u5272\u3054\u3068\u306b\u6c7a\u307e\u3063\u305f\u756a\u53f7\u304c\u5272\u308a\u632f\u3089\u308c\u3066\u304a\u308a\u3001SMTP\uff08\u30e1\u30fc\u30eb\u9001\u4fe1\uff09\u3067\u306f\u4e3b\u306b\u4ee5\u4e0b\u306e\u756a\u53f7\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>\u301025\u3011\u30e1\u30fc\u30eb\u306e\u9001\u4fe1<\/li>\n<li>\u3010587\u301125\u756a\u30dd\u30fc\u30c8\u4ee5\u5916\u3067\u306e\u30e1\u30fc\u30eb\u306e\u9001\u4fe1<\/div><\/li>\n<\/ul>\n<p>SMTP\u30b5\u30fc\u30d0\u306f\u4e0a\u8a18\u306e\u3088\u3046\u306a\u901a\u4fe1\u30dd\u30fc\u30c8\u3092\u4f7f\u3044\u3001\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f<\/h3>\n<p><strong>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u306fSMTP\u30b5\u30fc\u30d0\u3092\u306f\u3058\u3081\u3001\u3044\u304f\u3064\u304b\u306e\u30b5\u30fc\u30d0\u304c\u95a2\u308f\u3063\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u3068\u3001\u5404\u5de5\u7a0b\u306b\u95a2\u308f\u308b\u30b5\u30fc\u30d0\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>\u30e1\u30fc\u30e9\u30fc\uff08\u30a6\u30a7\u30d6\u30e1\u30fc\u30eb\uff09\u304b\u3089\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u5074\u306eSMTP\u30b5\u30fc\u30d0\u306b\u5c4a\u304f<\/li>\n<li>DNS\u30b5\u30fc\u30d0\u3067\u53d7\u4fe1\u5148\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u7167\u4f1a\u3059\u308b<\/li>\n<li>\u53d7\u4fe1\u5148\u306eSMTP\u30b5\u30fc\u30d0\u306b\u30e1\u30fc\u30eb\u3092\u8ee2\u9001\u3059\u308b<\/li>\n<li>\u53d7\u4fe1\u5148\u306eSMTP\u30b5\u30fc\u30d0\u304b\u3089POP\u30b5\u30fc\u30d0\u304bIMAP\u30b5\u30fc\u30d0\u304c\u30e1\u30fc\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/li>\n<li>POP\u30b5\u30fc\u30d0\uff08IMAP\u30b5\u30fc\u30d0\uff09\u304b\u3089\u53d7\u4fe1\u5148\u306e\u30e1\u30fc\u30e9\u30fc\u306b\u8ee2\u9001\u3059\u308b<\/div><\/li>\n<\/ul>\n<p>\u305d\u308c\u305e\u308c\u306e\u30b5\u30fc\u30d0\u306b\u3064\u3044\u3066\u306f\u6b21\u9805\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h2>SMTP\u30b5\u30fc\u30d0\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0<\/h2>\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u306f\u3001SMTP\u30b5\u30fc\u30d0\u4ee5\u5916\u306b\u3082\u3044\u304f\u3064\u304b\u306e\u30b5\u30fc\u30d0\u304c\u95a2\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u5f79\u5272\u3092\u9806\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>POP\u30b5\u30fc\u30d0<\/h3>\n<p>POP\u30b5\u30fc\u30d0\u306f\u3001\u53d7\u4fe1\u5074\u306eSMTP\u30b5\u30fc\u30d0\u306b\u3088\u3063\u3066\u53d7\u4fe1\u3055\u308c\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3092\u3001\u7aef\u672b\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e1\u30fc\u30e9\u30fc\uff08\u307e\u305f\u306f\u30a6\u30a7\u30d6\u30e1\u30fc\u30eb\uff09\u306b\u53d6\u308a\u8fbc\u3080\u305f\u3081\u306e\u30b5\u30fc\u30d0\u3067\u3059\u3002<\/p>\n<p>\u300c\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u300d\u3068\u805e\u304f\u3068\u3001\u81ea\u8eab\u304c\u4f7f\u3063\u3066\u3044\u308b\u30e1\u30fc\u30e9\u30fc\u306e\u53d7\u4fe1\u30dc\u30c3\u30af\u30b9\u3092\u601d\u3044\u6d6e\u304b\u3079\u308b\u65b9\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u3053\u3053\u3067\u3044\u3046\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3068\u306f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u4e0a\u306b\u7528\u610f\u3055\u308c\u305f\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3054\u3068\u306e\u4fdd\u5b58\u9818\u57df\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306f\u3001\u53d7\u4fe1\u5074\u306eSMTP\u30b5\u30fc\u30d0\u306b\u3088\u3063\u3066\u76f4\u63a5\u30e1\u30fc\u30e9\u30fc\u306b\u5c4a\u3051\u3089\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u307e\u305a\u3053\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002POP\u30b5\u30fc\u30d0\u306f\u3001\u3053\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3092\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30e1\u30fc\u30e9\u30fc\u3078\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>POP\u30b5\u30fc\u30d0\u306e\u7279\u5fb4\u3068\u3057\u3066\u3001\u30e1\u30fc\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3068\u30b5\u30fc\u30d0\u4e0a\u304b\u3089\u524a\u9664\u3055\u308c\u308b\u8a2d\u5b9a\u304c\u4e00\u822c\u7684\u3068\u3044\u3046\u70b9\u304c\u3042\u308a\u307e\u3059\uff08\u8a2d\u5b9a\u306b\u3088\u308a\u30b5\u30fc\u30d0\u306b\u6b8b\u3059\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\uff09\u3002\u305d\u306e\u305f\u3081\u3001\u4e00\u5ea6\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30e1\u30fc\u30eb\u306f\u3001\u30e1\u30fc\u30e9\u30fc\u304c\u30aa\u30d5\u30e9\u30a4\u30f3\u72b6\u614b\u3067\u3082\u95b2\u89a7\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>SMTP\u30b5\u30fc\u30d0\u306f\u9001\u4fe1\u5074\u30fb\u53d7\u4fe1\u5074\u306e\u4e21\u65b9\u3067\u4f7f\u308f\u308c\u307e\u3059\u304c\u3001POP\u30b5\u30fc\u30d0\u306f\u53d7\u4fe1\u5074\u3067\u306e\u307f\u4f7f\u7528\u3055\u308c\u308b\u30b5\u30fc\u30d0<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<h3>IMAP\u30b5\u30fc\u30d0<\/h3>\n<p><strong>IMAP\u30b5\u30fc\u30d0<\/strong>\u3082\u53d7\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3067\u306e\u307f\u4f7f\u308f\u308c\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3067\u3059\u3002<\/p>\n<p>IMAP\u30b5\u30fc\u30d0\u3082\u3001\u53d7\u4fe1\u5074\u3067\u306e\u307f\u4f7f\u308f\u308c\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3067\u3059\u3002<\/p>\n<p>\u5f79\u5272\u81ea\u4f53\u306fPOP\u30b5\u30fc\u30d0\u3068\u4f3c\u3066\u304a\u308a\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u5185\u306e\u30e1\u30fc\u30eb\u3092\u30e1\u30fc\u30e9\u30fc\u3067\u95b2\u89a7\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u304c\u3001\u4ed5\u7d44\u307f\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002IMAP\u30b5\u30fc\u30d0\u3067\u306f\u3001\u30e1\u30fc\u30eb\u3092\u30e1\u30fc\u30e9\u30fc\u306b\u79fb\u52d5\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u306e\u30e1\u30fc\u30eb\u3092\u540c\u671f\u30fb\u53c2\u7167\u3059\u308b\u5f62\u3067\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u57fa\u672c\u7684\u306b\u306f\u30aa\u30f3\u30e9\u30a4\u30f3\u74b0\u5883\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u540c\u3058\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u5185\u5bb9\u3092\u8907\u6570\u306e\u7aef\u672b\u304b\u3089\u78ba\u8a8d\u3067\u304d\u308b\u3068\u3044\u3046\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u8fd1\u306e\u30e1\u30fc\u30e9\u30fc\u3067\u306f\u4e00\u90e8\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u4fdd\u5b58\u3057\u3001\u30aa\u30d5\u30e9\u30a4\u30f3\u95b2\u89a7\u3067\u304d\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<span style=\"color: #ff0000;\"><strong>IMAP\u30b5\u30fc\u30d0\u306e\u4ed5\u7d44\u307f\u3092\u6d3b\u7528\u3057\u3066\u3044\u308b\u4ee3\u8868\u4f8b\u304c\u3001Gmail\u306a\u3069\u306e\u30a6\u30a7\u30d6\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<h3>DNS\u30b5\u30fc\u30d0<\/h3>\n<p>DNS\u30b5\u30fc\u30d0\u306f\u3001<span style=\"color: #ff0000;\"><strong>\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u30b5\u30fc\u30d0\u3067\u3001\u5b9b\u5148\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306e\u5834\u6240\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059<\/strong><\/span>\u3002\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u304a\u3051\u308b\u300c\uff20\u300d\u4ee5\u964d\u306e\u90e8\u5206\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u4f8b\u3068\u3057\u3066\u300cdns.server@mail.com\u300d\u3068\u3044\u3046\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5834\u5408\u3001\u300cmail.com\u300d\u304c\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u3059\u3002<\/strong><\/p>\n<p>DNS\u30b5\u30fc\u30d0\u306f\u3001\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u3082\u3068\u306b\u3001\u53d7\u4fe1\u5074\u306eSMTP\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u3001DNS\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u300cMX\u30ec\u30b3\u30fc\u30c9\u300d\u3068\u3044\u3046\u60c5\u5831\u3092\u53c2\u7167\u3057\u3066\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5148\u30b5\u30fc\u30d0\u3092\u6c7a\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u3068\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u4f4f\u6240\u306b\u3042\u305f\u308b\u6570\u5024\u60c5\u5831\u3067\u3059\u3002\u73fe\u5728\u306f\u300cIPv4\u30a2\u30c9\u30ec\u30b9\u300d\u3068\u300cIPv6\u30a2\u30c9\u30ec\u30b9\u300d\u304c\u4f7f\u308f\u308c\u3066\u304a\u308a\u3001IPv4\u30a2\u30c9\u30ec\u30b9\u306f32\u30d3\u30c3\u30c8\u306e\u60c5\u5831\u30928\u30d3\u30c3\u30c8\u305a\u30644\u3064\u306b\u533a\u5207\u3063\u305f\u5f62\u5f0f\uff08\u4f8b\uff1a134.167.10.1\uff09\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>DNS\u30b5\u30fc\u30d0\u306f\u3001\u4eba\u9593\u306b\u3068\u3063\u3066\u5206\u304b\u308a\u3084\u3059\u3044\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u7406\u89e3\u3067\u304d\u308bIP\u30a2\u30c9\u30ec\u30b9\u3078\u5909\u63db\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306b\u95a2\u308f\u308b\u4e3b\u306a\u30b5\u30fc\u30d0\u306e\u5f79\u5272\u307e\u3068\u3081<\/h3>\n<div class=\"list04\">\n<ul>\n<li><strong>SMTP\u30b5\u30fc\u30d0\uff1a<\/strong>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u30fb\u53d7\u4fe1\u3092\u62c5\u5f53\u3059\u308b<\/li>\n<li><strong>POP\u30b5\u30fc\u30d0\uff1a<\/strong>\u30e1\u30fc\u30eb\u3092\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304b\u3089\u7aef\u672b\u3078\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/li>\n<li><strong>IMAP\u30b5\u30fc\u30d0\uff1a<\/strong>\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u306e\u30e1\u30fc\u30eb\u3092\u540c\u671f\u30fb\u53c2\u7167\u3059\u308b<\/li>\n<li><strong>DNS\u30b5\u30fc\u30d0\uff1a<\/strong>\u5b9b\u5148\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u9001\u4fe1\u5148\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u7279\u5b9a\u3059\u308b<\/div><\/li>\n<\/ul>\n<p>DNS\u30b5\u30fc\u30d0\u306f\u53b3\u5bc6\u306b\u306f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30e1\u30fc\u30eb\u3092\u6b63\u3057\u3044\u5b9b\u5148\u3078\u5c4a\u3051\u308b\u305f\u3081\u306b\u6b20\u304b\u305b\u306a\u3044\u5b58\u5728\u3067\u3059\u3002<\/p>\n<h2>SMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u5b9f\u969b\u306bSMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>SMTP\u30b5\u30fc\u30d0\u306e\u69cb\u7bc9\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3068\u3057\u3066\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308bMTA\uff08\u30e1\u30fc\u30eb\u8ee2\u9001\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\uff09\u3092\u4f7f\u3063\u305f\u65b9\u6cd5\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002<\/p>\n<h3>MTA\u3092\u6c7a\u3081\u308b<\/h3>\n<p>\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3068\u3057\u3066\u516c\u958b\u3055\u308c\u3066\u3044\u308bMTA\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>Postfix<\/li>\n<li>Sendmail<\/div><\/li>\n<\/ul>\n<p><strong>MTA\u306f\u300cMail Transfar Agent\u300d\u306e\u982d\u6587\u5b57\u3092\u3068\u3063\u305f\u8a00\u8449<\/strong>\u3067\u3001<strong>\u30e1\u30fc\u30eb\u3092\u8ee2\u9001\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3068\u3044\u3046\u610f\u5473<\/strong>\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5192\u982d\u3067\u89e3\u8aac\u3057\u305f\u3088\u3046\u306b\u3001SMTP\u30b5\u30fc\u30d0\u306b\u306f\u9001\u4fe1\u5074\u30fb\u53d7\u4fe1\u5074\u306e\u4e21\u65b9\u3067\u5f79\u5272\u304c\u3042\u308a\u307e\u3059\u304c\u3001<strong>MTA\u306f\u9001\u4fe1\u5074\u3067\u50cd\u304f\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3063\u305f\u30b7\u30b9\u30c6\u30e0<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u53d7\u4fe1\u5074\u3067\u306fMDA\uff08Mail Delivery Agent\uff09\u304c\u4f7f\u308f\u308c\u3066\u304a\u308a\u3001MTA\u304b\u3089\u8ee2\u9001\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3092\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u300cPostfix\u300d\u3084\u300cSendmail\u300d\u306fMTA\u306a\u306e\u3067\u3001SMTP\u30b5\u30fc\u30d0\u306e\u4e2d\u3067\u3082\u9001\u4fe1\u306b\u7279\u5316\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/p>\n<h3>\u9001\u4fe1\u5143\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP\u3068SMTP\u30db\u30b9\u30c8\u540d\u306e\u4e00\u81f4<\/h3>\n<p>DNS\u30b5\u30fc\u30d0\u306e\u9805\u3067\u89e3\u8aac\u3057\u305f\u3088\u3046\u306b\u3001<strong>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u306f\u56fa\u6709\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u632f\u308a\u5206\u3051\u3089\u308c\u3066\u3044\u307e\u3059<\/strong>\u3002\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u304a\u3044\u3066\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308b\u3053\u3068\u3067\u53d7\u4fe1\u5148\u3084\u9001\u4fe1\u5143\u3092\u7279\u5b9a\u3057\u3001\u6b63\u78ba\u306a\u30e1\u30fc\u30eb\u306e\u3084\u308a\u3068\u308a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>SMTP\u30b5\u30fc\u30d0\u306e\u69cb\u7bc9\u6642\u306f<strong>\u300c\u30b0\u30ed\u30fc\u30d0\u30ebIP\u300d<\/strong>\u3068<strong>\u300cSMTP\u30db\u30b9\u30c8\u540d\u300d<\/strong>\u304c\u4e00\u81f4\u3059\u308b\u3053\u3068\u3067\u3001\u9001\u4fe1\u5143\u306e\u8a3c\u660e\u3092\u884c\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30a6\u30a7\u30d6\u4e0a\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u3068\u3001MTA\u306b\u81ea\u8eab\u3067\u5b9a\u7fa9\u3059\u308b\u30db\u30b9\u30c8\u540d\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u72b6\u614b\u306b\u3059\u308b\u4f5c\u696d\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u69cb\u7bc9\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306e\u9001\u4fe1\u8981\u4ef6\u3092\u660e\u78ba\u306b\u3059\u308b<\/h3>\n<p>SMTP\u30b5\u30fc\u30d0\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306e\u69cb\u7bc9\u904e\u7a0b\u306b\u306f\u3001<strong>\u69cb\u7bc9\u5f8c\u306b\u3069\u306e\u3088\u3046\u306a\u4f7f\u3044\u65b9\u3092\u60f3\u5b9a\u3057\u3066\u3044\u308b\u304b\u304c\u5927\u304d\u304f\u5f71\u97ff<\/strong>\u3057\u307e\u3059\u3002\u901a\u4fe1\u30dd\u30fc\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u3060\u3051\u3067\u826f\u3044\u306e\u304b\u3001\u5927\u91cf\u914d\u4fe1\u3092\u3057\u305f\u3044\u306e\u304b\u3001\u69cb\u7bc9\u3057\u305fSMTP\u30b5\u30fc\u30d0\u3092\u4f7f\u3063\u3066\u3069\u306e\u3088\u3046\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u3059\u308b\u306e\u304b\u660e\u78ba\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u7279\u306b\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u3088\u3046\u306a\u300c\u6b63\u78ba\u304b\u3064\u8fc5\u901f\u306b\u5927\u91cf\u914d\u4fe1\u3092\u3057\u305f\u3044\u300d\u5834\u5408\u306f\u3001SMTP\u30b5\u30fc\u30d0\u306e\u30b9\u30da\u30c3\u30af\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30fb\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5bb9\u91cf\u3092\u691c\u8a0e\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u7d39\u4ecb\u3057\u305f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eMTA\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4e00\u304b\u3089SMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9593\u304c\u7701\u3051\u307e\u3059\u304c\u3001\u30b9\u30da\u30c3\u30af\u3084\u5bb9\u91cf\u306b\u306f\u5236\u9650\u304c\u3042\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h3>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u3092\u660e\u78ba\u306b\u3059\u308b<\/h3>\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u306f\u591a\u304f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u304c\u95a2\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u8fd1\u5e74\u306f\u3001Gmail\u304c<strong>\u300c\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d<\/strong>\u306e\u6539\u8a02\u306b\u4e57\u308a\u51fa\u3057\u305f\u3053\u3068\u3082\u3042\u308a\u3001\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3092\u53d6\u308a\u5dfb\u304f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u306f\u5f37\u3044\u95a2\u5fc3\u304c\u5bc4\u305b\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastmail.jp\/blog\/spam\/gmail-guideline-202402\">\u3010\u89e3\u6c7a\u7b56\u30112024\u5e742\u6708\u3088\u308aGmail\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5909\u66f4\uff011\u65e55000\u4ef6\u4ee5\u4e0a\u306e\u914d\u4fe1\u306f\u5bfe\u5fdc\u5fc5\u9808\uff01<\/a><\/p>\n<p>\u7279\u306b\u6a5f\u5bc6\u4e8b\u9805\u3092\u6271\u3046\u30d3\u30b8\u30cd\u30b9\u3067\u4f7f\u7528\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306f\u3001\u4e07\u304c\u4e00\u306e\u4e8b\u614b\u306b\u5099\u3048\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u74b0\u5883\u306e\u6574\u5099\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>SMTP\u30b5\u30fc\u30d0\u306e\u69cb\u7bc9\u6642\u306b\u6c42\u3081\u3089\u308c\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>SSL\/TLS<\/li>\n<li>SMTP\u8a8d\u8a3c\uff08SPF\u30fbDKIM\u7f72\u540d\uff09<\/div><\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e2\u70b9\u306f\u3001\u5148\u8ff0\u306e\u300c\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d\u306b\u304a\u3044\u3066\u9001\u4fe1\u8005\u306b\u6c42\u3081\u3089\u308c\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u3057\u3066\u660e\u6587\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u69cb\u7bc9\u3057\u305fSMTP\u30b5\u30fc\u30d0\u306e\u30c6\u30b9\u30c8\u3068\u30c7\u30d0\u30c3\u30b0<\/h3>\n<p>SMTP\u30b5\u30fc\u30d0\u306b\u9650\u3089\u305a\u3001\u69cb\u7bc9\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u306f<strong>\u904b\u7528\u524d\u306b\u30c6\u30b9\u30c8\u3068\u30c7\u30d0\u30c3\u30b0\u304c\u5fc5\u8981<\/strong>\u3067\u3059\u3002\u69cb\u7bc9\u3057\u305fSMTP\u30b5\u30fc\u30d0\u3068\u305d\u306e\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3059\u308b\u304b\u78ba\u8a8d\u3057\u3001\u30a8\u30e9\u30fc\u304c\u8fd4\u3063\u3066\u304d\u305f\u5834\u5408\u306f\u30c7\u30d0\u30c3\u30af\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>SMTP\u30b5\u30fc\u30d0\u306e\u69cb\u7bc9\u6642\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>\u3010016-781\u3011SMTP\u30b5\u30fc\u30d0\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044\u72b6\u614b<\/li>\n<li>\u3010451\u3011\u51e6\u7406\u4e2d\u306e\u30b5\u30fc\u30d0\u30a8\u30e9\u30fc<\/li>\n<li>\u3010500\u301c504\u3011\u30b3\u30de\u30f3\u30c9\u30a8\u30e9\u30fc<\/li>\n<li>\u3010553\u3011\u30b5\u30fc\u30d0\u306b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u9001\u4fe1\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044<\/div><\/li>\n<\/ul>\n<p>\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u304b\u3089\u539f\u56e0\u3092\u8abf\u67fb\u3057\u5bfe\u5fdc\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>SMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n<p>SMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306b\u6ce8\u610f\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>\u81ea\u793e\u306e\u30cb\u30fc\u30ba\u3092\u8abf\u67fb\u3059\u308b<\/h3>\n<p>\u5148\u8ff0\u306e\u901a\u308a\u3001SMTP\u30b5\u30fc\u30d0\u306f\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3067\u306f\u306a\u304f<strong>\u81ea\u793e\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u904b\u7528\u3059\u308b\u3053\u3068\u304c\u76ee\u7684<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u3069\u306e\u3088\u3046\u306a\u76ee\u7684\u3067\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u884c\u3046\u306e\u304b\u3092\u660e\u78ba\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30e9\u30f3\u30cb\u30f3\u30b0\u30b3\u30b9\u30c8\u3092\u8a08\u7b97\u3059\u308b<\/h3>\n<p><strong>\u30b5\u30fc\u30d0\u306e\u7dad\u6301\u30fb\u7ba1\u7406\u306b\u306f\u30e9\u30f3\u30cb\u30f3\u30b0\u30b3\u30b9\u30c8\u304c\u767a\u751f<\/strong>\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u81ea\u793e\u3067\u5185\u88fd\u3057\u305f\u5834\u5408\u3001\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u30b9\u30b3\u30a2\u306e\u30c1\u30a7\u30c3\u30af\u3084\u30c8\u30e9\u30d6\u30eb\u3078\u306e\u5bfe\u5fdc\u3068\u3044\u3063\u305f\u4eba\u7684\u30b3\u30b9\u30c8\u3068\u3001<strong>\u30b5\u30fc\u30d0\u30b3\u30b9\u30c8\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u3088\u3046\u306a\u91d1\u92ad\u7684\u30b3\u30b9\u30c8\u304c\u767a\u751f<\/strong>\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eba\u7684\u30b3\u30b9\u30c8\u3068\u3057\u3066\u767a\u751f\u3059\u308b\u8981\u4ef6\u306f\u5916\u6ce8\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u5834\u5408\u306f\u91d1\u92ad\u7684\u306a\u30b3\u30b9\u30c8\u304c\u3055\u3089\u306b\u81a8\u3089\u3080\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30e9\u30f3\u30cb\u30f3\u30b0\u30b3\u30b9\u30c8\u3092\u3001\u793e\u5185\u30ea\u30bd\u30fc\u30b9\u3067\u3069\u3053\u307e\u3067\u30ab\u30d0\u30fc\u3067\u304d\u308b\u306e\u304b\u3092\u8a08\u7b97\u3057\u305f\u4e0a\u3067SMTP\u30b5\u30fc\u30d0\u306e\u69cb\u7bc9\u306b\u7740\u624b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>SMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306fSMTP\u30b5\u30fc\u30d0\u3092\u81ea\u793e\u3067\u69cb\u7bc9\u3057\u305f\u5834\u5408\u306e\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>\u81ea\u793e\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u308b<\/h3>\n<p>\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u72b6\u6cc1\u306b\u5408\u308f\u305b\u3066<strong>\u7d30\u304b\u306a\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u304c\u53ef\u80fd<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eMTA\u3092\u6d3b\u7528\u3057SMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u306f\u3001<strong>\u30b9\u30da\u30c3\u30af\u3084\u5bb9\u91cf\u306b\u5236\u9650\u304c\u3042\u308b\u3053\u3068\u3092\u5fd8\u308c\u3066\u306f\u3044\u3051\u307e\u305b\u3093<\/strong>\u3002<\/p>\n<p>\u5b8c\u74a7\u306b\u81ea\u793e\u306e\u30cb\u30fc\u30ba\u306b\u30de\u30c3\u30c1\u3055\u305b\u308b\u306b\u306f\u3001\u4ed6\u793e\u304c\u63d0\u4f9b\u3059\u308bMTA\u3067\u306f\u306a\u304f\u4e00\u304b\u3089SMTP\u30b5\u30fc\u30d0\uff08MTA\u3068MDA\uff09\u3092\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u30c1\u30a7\u30c3\u30af\u3067\u304d\u308b<\/h3>\n<p>\u81ea\u793e\u3067\u69cb\u7bc9\u3057\u305fSMTP\u30b5\u30fc\u30d0\u306b\u306f\u3001<strong>\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u306b\u95a2\u308f\u308b\u30c7\u30fc\u30bf\u304c\u84c4\u7a4d<\/strong>\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u306f\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3067\u306f\u3001\u3088\u308a\u9ad8\u3044\u96c6\u5ba2\u52b9\u679c\u3092\u51fa\u3059\u305f\u3081\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u7d76\u3048\u305a\u66f4\u65b0\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>SMTP\u30b5\u30fc\u30d0\u3092\u5185\u88fd\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6539\u5584\u3059\u308b\u969b\u306b\u6ce8\u76ee\u3059\u308b\u6307\u6a19\u306e1\u3064\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u308b<strong>\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u7387\u300d\u3092\u76e3\u8996\u3059\u308b<\/strong>\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>SMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>SMTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306b\u767a\u751f\u3059\u308b\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b<\/h3>\n<p>\u30e9\u30f3\u30cb\u30f3\u30b0\u30b3\u30b9\u30c8\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u308b\u9805\u3067\u3082\u89e6\u308c\u3066\u3044\u307e\u3059\u304c\u3001<strong>SMTP\u30b5\u30fc\u30d0\u306e\u69cb\u7bc9\u3068\u904b\u7528\u306b\u306f\u3001\u4eba\u7684\u30fb\u91d1\u92ad\u7684\u306a\u30b3\u30b9\u30c8\u304c\u767a\u751f<\/strong>\u3057\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b\u5927\u91cf\u914d\u4fe1\u3092\u53ef\u80fd\u306b\u3059\u308bSMTP\u30b5\u30fc\u30d0\u3092\u5bfe\u8c61\u3068\u3059\u308b\u5834\u5408\u3001\u767a\u751f\u3059\u308b\u30b3\u30b9\u30c8\u304c\u81ea\u793e\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u5927\u304d\u304f\u4e0a\u56de\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u304c\u96e3\u3057\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308b<\/h3>\n<p>SMTP\u30b5\u30fc\u30d0\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306f<strong>\u69cb\u7bc9\u3057\u305f\u3082\u306e\u3092\u6c38\u7d9a\u7684\u306b\u4f7f\u7528\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u5148\u8ff0\u306e\u901a\u308a\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u4f4e\u4e0b\u3092\u62db\u304f<strong>IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u7ba1\u7406<\/strong>\u3084\u3001<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u7d76\u3048\u305a\u884c\u3046\u5fc5\u8981<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30c8\u30e9\u30d6\u30eb\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f<strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u696d\u52d9\u304c\u9045\u308c\u3066\u3057\u307e\u3044\u3001\u304a\u5ba2\u69d8\u3084\u53d6\u5f15\u5148\u3068\u306e\u30c8\u30e9\u30d6\u30eb\u306b\u767a\u5c55\u3059\u308b\u30b1\u30fc\u30b9\u3082<\/strong>\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001SMTP\u30b5\u30fc\u30d0\u306e\u30c8\u30e9\u30d6\u30eb\u3092\u8fc5\u901f\u306b\u89e3\u6c7a\u3059\u308b\u4eba\u6750\u3092\u793e\u5185\u3067\u78ba\u4fdd\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u3044\u308b\u4f01\u696d\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u69cb\u7bc9\u304b\u3089\u643a\u308f\u3063\u3066\u3044\u308b\u65b9\u3067\u3082\u7121\u3044\u9650\u308a\u3001\u554f\u984c\u306e\u89e3\u6c7a\u307e\u3067\u306b\u306f\u4e00\u5b9a\u306e\u6642\u9593\u304c\u5fc5\u8981\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h2>\u4ee3\u8868\u7684\u306aSMTP\u30b5\u30fc\u30d0\u30fc\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068OS\u5225\u306e\u69cb\u7bc9\u624b\u6bb5<\/h2>\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306f\u5229\u7528\u3059\u308bOS\u3084\u74b0\u5883\u306b\u3088\u3063\u3066\u9078\u629e\u3059\u3079\u304d\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u624b\u9806\u304c\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u81ea\u793e\u306e\u30a4\u30f3\u30d5\u30e9\u74b0\u5883\u3084\u7ba1\u7406\u8005\u306e\u30b9\u30ad\u30eb\u30bb\u30c3\u30c8\u306b\u5408\u308f\u305b\u3066\u6700\u9069\u306a\u7d44\u307f\u5408\u308f\u305b\u3092\u9078\u5b9a\u3059\u308b\u3053\u3068\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u6210\u529f\u306e\u7b2c\u4e00\u6b69\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u4e3b\u8981\u306aOS\u74b0\u5883\u3054\u3068\u306e\u7279\u5fb4\u3068\u30af\u30e9\u30a6\u30c9\u5229\u7528\u6642\u7279\u6709\u306e\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>Linux\u7cfb\uff08Postfix \/ Sendmail\uff09\u306e\u7279\u5fb4\u3068\u69cb\u7bc9\u306e\u6d41\u308c<\/h3>\n<p>Web\u30b5\u30fc\u30d0\u30fc\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u6700\u3082\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u304cLinux\u74b0\u5883\u3067\u3059\u3002\u53e4\u304f\u304b\u3089\u6a19\u6e96\u7684\u306b\u4f7f\u308f\u308c\u3066\u304d\u305fSendmail\u3068\u3044\u3046\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u3042\u308a\u307e\u3059\u304c\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u304c\u96e3\u89e3\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30db\u30fc\u30eb\u304c\u898b\u3064\u304b\u308a\u3084\u3059\u3044\u3068\u3044\u3046\u6b74\u53f2\u7684\u80cc\u666f\u304b\u3089\u73fe\u5728\u306f\u3088\u308a\u5b89\u5168\u3067\u8a2d\u5b9a\u304c\u5bb9\u6613\u306aPostfix\u304c\u4e3b\u6d41\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u69cb\u7bc9\u306e\u5927\u307e\u304b\u306a\u6d41\u308c\u3068\u3057\u3066\u306fOS\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308bmain.cf\u3092\u7de8\u96c6\u3057\u3066\u81ea\u793e\u306e\u30c9\u30e1\u30a4\u30f3\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3092\u8a18\u8ff0\u3057\u305f\u5f8c\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u8d77\u52d5\u3059\u308b\u3068\u3044\u3046\u624b\u9806\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u306e\u64cd\u4f5c\u304c\u57fa\u672c\u3068\u306a\u308b\u305f\u3081CUI\u306b\u6163\u308c\u305f\u30a8\u30f3\u30b8\u30cb\u30a2\u5411\u3051\u3067\u3059\u304c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u30ce\u30a6\u30cf\u30a6\u304c\u8c4a\u5bcc\u306b\u5b58\u5728\u3059\u308b\u305f\u3081\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u3057\u3084\u3059\u3044\u70b9\u304c\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n<h3>Windows\u7cfb\uff08IIS \/ Exchange Server\uff09\u306e\u7279\u5fb4\u3068\u69cb\u7bc9\u306e\u6d41\u308c<\/h3>\n<p>\u793e\u5185\u306eActive Directory\u74b0\u5883\u3068\u306e\u9023\u643a\u3092\u91cd\u8996\u3059\u308b\u5834\u5408\u3084Windows Server\u306e\u904b\u7528\u7ba1\u7406\u306b\u6163\u308c\u3066\u3044\u308b\u5834\u5408\u306fWindows\u74b0\u5883\u3067\u306e\u69cb\u7bc9\u304c\u9078\u629e\u80a2\u306b\u5165\u308a\u307e\u3059\u3002Windows Server\u306b\u306f\u6a19\u6e96\u6a5f\u80fd\u3068\u3057\u3066IIS\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30a4\u30f3\u30d5\u30a9\u30e1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d3\u30b9\uff09\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3053\u308c\u3092\u6709\u52b9\u5316\u3059\u308b\u3060\u3051\u3067\u7c21\u6613\u7684\u306aSMTP\u30b5\u30fc\u30d0\u30fc\u6a5f\u80fd\u3092\u7acb\u3061\u4e0a\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3088\u308a\u9ad8\u5ea6\u306a\u30b0\u30eb\u30fc\u30d7\u30a6\u30a7\u30a2\u6a5f\u80fd\u3084\u30ab\u30ec\u30f3\u30c0\u30fc\u9023\u643a\u304c\u5fc5\u8981\u306a\u5927\u898f\u6a21\u7d44\u7e54\u3067\u306fExchange Server\u304c\u63a1\u7528\u3055\u308c\u307e\u3059\u304c\u5c0e\u5165\u30b3\u30b9\u30c8\u3084\u30e9\u30a4\u30bb\u30f3\u30b9\u4f53\u7cfb\u304c\u8907\u96d1\u306b\u306a\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u8a2d\u5b9a\u4f5c\u696d\u306e\u591a\u304f\u3092GUI\u753b\u9762\u3067\u884c\u3048\u308b\u305f\u3081\u8996\u899a\u7684\u306b\u308f\u304b\u308a\u3084\u3059\u3044\u53cd\u9762\u8a73\u7d30\u306a\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3092\u884c\u3046\u306b\u306fPowerShell\u306a\u3069\u306e\u77e5\u8b58\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30af\u30e9\u30a6\u30c9\uff08AWS\/Azure\/GCP\uff09\u3067\u69cb\u7bc9\u3059\u308b\u969b\u306e\u300cOP25B\u300d\u306e\u58c1<\/h3>\n<p>\u8fd1\u5e74\u4e3b\u6d41\u3068\u306a\u3063\u3066\u3044\u308bAWS\u3084Google Cloud\u306a\u3069\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u30af\u30e9\u30a6\u30c9\u4e0a\u3067\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u306b\u5fc5\u305a\u76f4\u9762\u3059\u308b\u306e\u304c\u300cOP25B\uff08Outbound Port 25 Blocking\uff09\u300d\u3068\u3044\u3046\u5236\u9650\u3067\u3059\u3002\u3053\u308c\u306f\u30af\u30e9\u30a6\u30c9\u4e8b\u696d\u8005\u304c\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u3068\u3057\u3066\u60aa\u7528\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u306b\u30e1\u30fc\u30eb\u9001\u4fe1\u306b\u4f7f\u7528\u3055\u308c\u308b25\u756a\u30dd\u30fc\u30c8\u306e\u5916\u90e8\u901a\u4fe1\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u906e\u65ad\u3057\u3066\u3044\u308b\u4ed5\u69d8\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u30af\u30e9\u30a6\u30c9\u4e0a\u306eVM\uff08\u4eee\u60f3\u30de\u30b7\u30f3\uff09\u306bPostfix\u306a\u3069\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3082\u305d\u306e\u307e\u307e\u3067\u306f\u5916\u90e8\u3078\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u5236\u9650\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u306f\u30b5\u30d6\u30df\u30c3\u30b7\u30e7\u30f3\u30dd\u30fc\u30c8\uff08587\u756a\uff09\u3092\u4f7f\u7528\u3059\u308b\u304b\u30af\u30e9\u30a6\u30c9\u4e8b\u696d\u8005\u304c\u63d0\u643a\u3057\u3066\u3044\u308b\u5916\u90e8\u306e\u30e1\u30fc\u30eb\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u7d4c\u7531\u3057\u3066\u9001\u4fe1\u3059\u308b\u69cb\u6210\u3092\u3068\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>SMTP\u30b5\u30fc\u30d0\u30fc\u81ea\u793e\u904b\u7528\u306e\u30ea\u30b9\u30af\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/h2>\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u306f\u4e00\u5ea6\u69cb\u7bc9\u3057\u3066\u7d42\u308f\u308a\u3067\u306f\u306a\u304f\u7a3c\u50cd\u5f8c\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u76e3\u8996\u904b\u7528\u3053\u305d\u304c\u672c\u756a\u3068\u8a00\u3048\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u516c\u958b\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306f\u5e38\u306b\u5916\u90e8\u304b\u3089\u306e\u653b\u6483\u3084\u4e0d\u6b63\u5229\u7528\u306e\u30ea\u30b9\u30af\u306b\u6652\u3055\u308c\u3066\u304a\u308a\u9069\u5207\u306a\u5bfe\u7b56\u3092\u8b1b\u3058\u306a\u3051\u308c\u3070\u52a0\u5bb3\u8005\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u3059\u3089\u3042\u308a\u307e\u3059\u3002\u81ea\u793e\u904b\u7528\u3092\u884c\u3046\u4e0a\u3067\u7279\u306b\u6ce8\u610f\u3059\u3079\u304d3\u3064\u306e\u30ea\u30b9\u30af\u3068\u5bfe\u7b56\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u4e0d\u6b63\u4e2d\u7d99\uff08\u30aa\u30fc\u30d7\u30f3\u30ea\u30ec\u30fc\uff09\u306e\u30ea\u30b9\u30af\u3068\u5bfe\u7b56<\/h3>\n<p>\u6700\u3082\u8b66\u6212\u3059\u3079\u304d\u8a2d\u5b9a\u30df\u30b9\u306e\u4e00\u3064\u304c\u300c\u30aa\u30fc\u30d7\u30f3\u30ea\u30ec\u30fc\uff08\u7b2c\u4e09\u8005\u4e2d\u7d99\uff09\u300d\u3068\u547c\u3070\u308c\u308b\u72b6\u614b\u3067\u3059\u3002\u3053\u308c\u306f\u8a8d\u8a3c\u306a\u3057\u3067\u8ab0\u3067\u3082\u305d\u306e\u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3067\u304d\u3066\u3057\u307e\u3046\u8a2d\u5b9a\u306e\u3053\u3068\u3067\u60aa\u610f\u3042\u308b\u7b2c\u4e09\u8005\u306b\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u8e0f\u307f\u53f0\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u308b\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u81ea\u793e\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u4e16\u754c\u4e2d\u306b\u5927\u91cf\u306e\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u3070\u3089\u6492\u304f\u767a\u4fe1\u6e90\u3068\u306a\u3063\u3066\u3057\u307e\u3048\u3070\u793e\u4f1a\u7684\u4fe1\u7528\u3092\u5931\u3046\u3060\u3051\u3067\u306a\u304f\u30c9\u30e1\u30a4\u30f3\u81ea\u4f53\u304c\u505c\u6b62\u3055\u308c\u308b\u6050\u308c\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u9632\u3050\u305f\u3081\u306b\u306f\u63a5\u7d9a\u5143IP\u30a2\u30c9\u30ec\u30b9\u3092\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u307f\u306b\u5236\u9650\u3057\u305f\u308aSMTP\u8a8d\u8a3c\uff08SMTP-AUTH\uff09\u3092\u5fc5\u9808\u5316\u3057\u305f\u308a\u3057\u3066\u8a31\u53ef\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u4ee5\u5916\u304b\u3089\u306e\u9001\u4fe1\u3092\u4e00\u5207\u53d7\u3051\u4ed8\u3051\u306a\u3044\u53b3\u683c\u306a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u8a2d\u5b9a\u3092\u884c\u3046\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h3>\u6697\u53f7\u5316\u901a\u4fe1\uff08STARTTLS \/ SMTPS\uff09\u306e\u8a2d\u5b9a<\/h3>\n<p>\u30e1\u30fc\u30eb\u306e\u901a\u4fe1\u7d4c\u8def\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5e73\u6587\uff08\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\uff09\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u308b\u305f\u3081\u60aa\u610f\u306e\u3042\u308b\u7b2c\u4e09\u8005\u306b\u901a\u4fe1\u3092\u508d\u53d7\u3055\u308c\u308b\u3068\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u76d7\u307f\u898b\u3089\u308c\u308b\u5371\u967a\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u60c5\u5831\u6f0f\u6d29\u3092\u9632\u3050\u305f\u3081\u306b\u306fSSL\/TLS\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u3092\u5c0e\u5165\u3057STARTTLS\u3084SMTPS\u3068\u3044\u3063\u305f\u6697\u53f7\u5316\u901a\u4fe1\u306b\u5bfe\u5fdc\u3055\u305b\u308b<\/strong><\/span>\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u8fd1\u5e74\u306fGmail\u306a\u3069\u306e\u4e3b\u8981\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u3092\u62d2\u5426\u307e\u305f\u306f\u8b66\u544a\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u306b\u304a\u3044\u3066\u6697\u53f7\u5316\u8a2d\u5b9a\u306f\u3082\u306f\u3084\u5fc5\u9808\u8981\u4ef6\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u767b\u9332\u306e\u76e3\u8996\u3068\u89e3\u9664\u7533\u8acb\u306e\u624b\u9593<\/h3>\n<p>\u81ea\u793e\u30b5\u30fc\u30d0\u30fc\u3092\u904b\u7528\u3059\u308b\u4e2d\u3067\u6700\u3082\u5384\u4ecb\u306a\u306e\u304cIP\u30a2\u30c9\u30ec\u30b9\u306e\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u767b\u9332\u554f\u984c\u3067\u3059\u3002\u4f55\u3089\u304b\u306e\u7406\u7531\u3067\u30b9\u30d1\u30e0\u5224\u5b9a\u3092\u53d7\u3051\u3066\u3057\u307e\u3044Spamhaus\u306a\u3069\u306e\u4e3b\u8981\u306a\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u767b\u9332\u3055\u308c\u308b\u3068\u76f8\u624b\u306b\u30e1\u30fc\u30eb\u304c\u4e00\u5207\u5c4a\u304b\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u72b6\u614b\u304b\u3089\u5fa9\u65e7\u3059\u308b\u306b\u306f\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3066\u89e3\u6d88\u3057\u305f\u5f8c\u306b\u904b\u55b6\u5143\u306b\u5bfe\u3057\u3066\u89e3\u9664\u7533\u8acb\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4f5c\u696d\u8ca0\u8377\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<div 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href=\"https:\/\/blastengine.jp\/\"><strong>\u300c\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u300d<\/strong><\/a>\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2025\/10\/blastengine.jpg\" alt=\"blastengine\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"1303\" height=\"590\" class=\"alignnone size-full wp-image-19575\" \/><\/p>\n<p>\u7d0427,000\u793e\u306b\u5c0e\u5165\u3055\u308c\u5b98\u516c\u5e81\u3067\u3082\u6d3b\u7528\u3055\u308c\u3066\u3044\u308b<a 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