{"id":712,"date":"2019-05-29T19:49:55","date_gmt":"2019-05-29T10:49:55","guid":{"rendered":"https:\/\/blastmail.jp\/blog\/?p=712"},"modified":"2025-12-01T13:18:32","modified_gmt":"2025-12-01T04:18:32","slug":"send-and-receive-mail","status":"publish","type":"post","link":"https:\/\/blastmail.jp\/blog\/mail-delivery\/send-and-receive-mail","title":{"rendered":"\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u89e3\u8aac\uff01SMTP\u3001POP\u3001IMAP\u3001DNS\u306a\u3069\u306e\u7528\u8a9e\u3092\u7406\u89e3\u3057\u3088\u3046\uff01"},"content":{"rendered":"\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"640\" height=\"450\" class=\"wp-image-801\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2019\/05\/post-and-send10.jpg\" alt=\"\" \/><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u3053\u3093\u306b\u3061\u306f\u3001<a href=\"https:\/\/blastmail.jp\/blog\/author\/yuki-morigami\/\">\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u68ee\u795e<\/a>\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f<strong>\u300c\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u300d<\/strong>\u306b\u3064\u3044\u3066\u3001\u521d\u5fc3\u8005\u306e\u65b9\u5411\u3051\u306b\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u3092\u77e5\u3063\u3066\u3044\u308c\u3070\u3001\u4f8b\u3048\u3070\u65b0\u3057\u3044\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u6642\u306b\u5f79\u7acb\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u300cSMTP\u30b5\u30fc\u30d0\u30fc\u300d\u3084\u300cPOP\u30b5\u30fc\u30d0\u30fc\u300d\u306a\u3069\u306e\u5c02\u9580\u7528\u8a9e\u306b\u906d\u9047\u3057\u3066\u3082\u3001\u610f\u5473\u304c\u5206\u304b\u3063\u305f\u4e0a\u3067\u9069\u5207\u306a\u8a2d\u5b9a\u3092\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u958b\u8a2d\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u306a\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\r\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a title=\"\u30102023\u5e74\u6700\u65b0\u3011\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u306e\u304a\u3059\u3059\u3081\u30e9\u30f3\u30ad\u30f3\u30b0\uff01\" href=\"https:\/\/blastmail.jp\/blog\/mail\/free-mail-recomend\">\u30102025\u5e74\u6700\u65b0\u3011\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u306e\u304a\u3059\u3059\u3081\u30e9\u30f3\u30ad\u30f3\u30b0\uff01<\/a><\/p>\r\n\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/mail\/free-mail-recomend\">\n   <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2020\/04\/free-mail-recomend-1.png\" alt=\"\u30102026\u5e74\u6700\u65b0\u3011\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u304a\u3059\u3059\u3081\u6bd4\u8f035\u9078\u3092\u3054\u7d39\u4ecb\uff01\u7121\u6599\u3067\u30a2\u30c9\u30ec\u30b9\u3092\u4f5c\u308b\u65b9\u6cd5\u3082\u89e3\u8aac\u3057\u307e\u3059\u3002\" width=\"90\" height=\"64\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">\u30102026\u5e74\u6700\u65b0\u3011\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u304a\u3059\u3059\u3081\u6bd4\u8f035\u9078\u3092\u3054\u7d39\u4ecb\uff01\u7121\u6599\u3067\u30a2\u30c9\u30ec\u30b9\u3092\u4f5c\u308b\u65b9\u6cd5\u3082\u89e3\u8aac\u3057\u307e\u3059\u3002<\/div>\n    <div class=\"blogcard_excerpt\">\u73fe\u4ee3\u793e\u4f1a\u306b\u304a\u3044\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u5229\u7528\u3059\u308b\u4e0a\u3067\u6b20\u304b\u305b\u306a\u3044\u3082\u306e\u306e\u3072\u3068\u3064\u304c\u300c\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u300d\u3067\u3059\u3002\u500b\u4eba\u5229\u7528\u304b\u3089\u30d3\u30b8\u30cd\u30b9\u5229\u7528\u307e\u3067\u3001\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div>\r\n<blockquote>\r\n<p>\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u516c\u5f0f\u30d6\u30ed\u30b0\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u30e9\u30af\u30b9\u30e9\u30a4\u30c8\u30af\u30e9\u30a6\u30c9\u304c20\u5e74\u4ee5\u4e0a\u306e\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u3092\u901a\u3057\u3066\u57f9\u3063\u305f<\/p>\r\n<p>\u300c\u30e1\u30fc\u30eb\u914d\u4fe1\u300d\u300c\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u300c\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u300d\u306a\u3069\u306b\u95a2\u3059\u308b\u30ce\u30a6\u30cf\u30a6\u3092\u51dd\u7e2e\u3057\u305f\u30e1\u30c7\u30a3\u30a2\u3067\u3059\u3002<\/p>\r\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u696d\u52d9\u306b\u304b\u304b\u308f\u308b\u3059\u3079\u3066\u306e\u65b9\u306e\u5f79\u306b\u7acb\u3064\u60c5\u5831\u3092\u767a\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<\/blockquote>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"i1\">\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3068\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u305f\u3081\u306b\u306f\u3001<strong>\u300c\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u300d<\/strong>\u3092\u4f7f\u3044\u307e\u3059\u3002\u5225\u306e\u8a00\u3044\u65b9\u3067\u306f<strong>\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/strong>\u306a\u3069\u3068\u3082\u547c\u3073\u307e\u3059\u3002Outlook\u3001Windows Mail\u3001Thunderbird\u3001Mac Mail\u306a\u3069\u304c\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306b\u3042\u305f\u308a\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff09\u3067\u306f\u3001\u4e3b\u306b<strong>\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c<\/strong>\u3092\u884c\u3044\u307e\u3059\u3002\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u767b\u9332\u3059\u308b\u30fb\u30e1\u30fc\u30eb\u3092\u8aad\u3080\u30fb\u30e1\u30fc\u30eb\u3092\u9001\u308b\u306a\u3069\u3002\u3053\u308c\u3089\u306e\u64cd\u4f5c\u3092\u300c\u547d\u4ee4\u300d\u3068\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u53d7\u3051\u6e21\u3059\u306e\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u5f79\u5272\u306a\u306e\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3055\u308c\u308b\u5074\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3059\u308b\u5074\u3092<strong>\u300c\u30b5\u30fc\u30d0\u30fc\u300d<\/strong>\u3068\u547c\u3073\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u5834\u5408\u3001\u30e1\u30fc\u30eb\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u306e\u3067\u300c\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Outlook\u306a\u3069\u306e\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3067\u306f\u300c\u53d7\u4fe1\u30fb\u9001\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u300d\u3068\u3044\u3046\u8a2d\u5b9a\u9805\u76ee\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u305d\u308c\u305e\u308c\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u60c5\u5831\u3092\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u8a33\u3067\u3059\u3002\uff08\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u306b\u306f\u3001\u9001\u53d7\u4fe1\u6a5f\u80fd\u3092\u5225\u3005\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5272\u308a\u5f53\u3066\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>\u306a\u304a\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3068\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u95a2\u4fc2\u306f\u300c\u90f5\u4fbf\u30dd\u30b9\u30c8\u300d\u3068\u300c\u90f5\u4fbf\u5c40\u306e\u4ed5\u7d44\u307f\u300d\u3068\u4f3c\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"640\" height=\"452\" class=\"wp-image-782\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2019\/05\/bg_movie_flow2.jpg\" alt=\"\" \/>\r\n<figcaption><a id=\"text_1\" class=\"event_bnr\" href=\"https:\/\/www.schoolpost.jp\/movie\/index.html\">https:\/\/www.schoolpost.jp\/movie\/index.html<\/a><\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u4e0a\u306e\u56f3\u306f\u3001 \u65e5\u672c\u90f5\u4fbf\uff08JP\uff09\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u306b\u3042\u308b\u90f5\u4fbf\u306e\u6d41\u308c\u56f3\u3067\u3059\u3002\u3053\u3061\u3089\u306e\u56f3\u304c\u3068\u3066\u3082\u5206\u304b\u308a\u3084\u3059\u3044\u305f\u3081\u3001\u3053\u306e\u56f3\u3092\u4f7f\u3063\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u90f5\u4fbf\u306e\u4ed5\u7d44\u307f\u3067\u4f8b\u3048\u308b\u3068\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306f\u30dd\u30b9\u30c8\u3084\u90f5\u4fbf\u53d7\u3051\u306e\u3088\u3046\u306a\u5f79\u5272\u3067\u3059\u3002\u300c\u624b\u7d19\u3092\u6295\u51fd\u3059\u308b\u3001\u624b\u7d19\u3092\u53d7\u3051\u53d6\u308b\u300d\u3053\u3068\u304c\u51fa\u6765\u308b\u308f\u3051\u3067\u3059\u3002\u3054\u5b58\u77e5\u306e\u901a\u308a\u3001\u3053\u306e\u30dd\u30b9\u30c8\u81ea\u4f53\u306f\u624b\u7d19\u3092\u5c4a\u3051\u3066\u304f\u308c\u305f\u308a\u3057\u307e\u305b\u3093\u3088\u306d\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306b\u624b\u7d19\u304c\u5c4a\u304f\u306e\u306f\u3001<strong>\u90f5\u4fbf\u5c40<\/strong>\u306e\u304a\u304b\u3052\u3067\u3059\u3002\u624b\u7d19\u306e\u4ed5\u5206\u3051\u3084\u5c4a\u3051\u5148\u5206\u985e\u3001\u914d\u9054\u307e\u3067\u3084\u3063\u3066\u304f\u308c\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u3092\u8003\u3048\u308b\u4e0a\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u5074\u3060\u3051\u3067\u306f\u306a\u304f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u304a\u304f\u3068\u3001\u5168\u4f53\u50cf\u304c\u63b4\u307f\u3084\u3059\u304f\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"i2\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u306e\u30c7\u30fc\u30bf\u901a\u4fe1<\/h2>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mce_6\">\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1<\/strong>\u3068\u306f\u3001\u3044\u308f\u3086\u308b<strong>\u300c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u9593\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u300d<\/strong>\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u7e4b\u304c\u308c\u305f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u540c\u58eb\u304c\u300c\u30e1\u30fc\u30eb\u300d\u306a\u3069\u306e\u30c7\u30fc\u30bf\u3092\u3084\u308a\u3068\u308a\u3059\u308b\u306b\u306f\u3001<strong>\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong>\u306e\u898f\u683c\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\uff08\u901a\u79f0\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u3068\u306f\u3001\u901a\u4fe1\u306e\u898f\u7d04\u30fb\u7d04\u675f\u3054\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30d1\u30bd\u30b3\u30f3\u540c\u58eb\u304c\u4f55\u3089\u304b\u306e\u901a\u4fe1\u3092\u884c\u3046\u5834\u5408\u306b\u7d04\u675f\u3054\u3068\u304c\u306a\u3044\u3068\u3001\u30d1\u30bd\u30b3\u30f3\u540c\u58eb\u306f\u901a\u4fe1\u304c\u3067\u304d\u307e\u305b\u3093\u3002\uff08\u308f\u305f\u3057\u305f\u3061\u4eba\u9593\u793e\u4f1a\u306e\u300c\u8a00\u8a9e\u300d\u3082\u901a\u4fe1\u306e\u4e00\u7a2e\u3067\u3059\u3002\u8a00\u8a9e\u306b\u3082\u898f\u5b9a\u304c\u306a\u3044\u3068\u3001\u76f8\u624b\u306b\u610f\u5473\u3092\u4f1d\u3048\u3089\u308c\u307e\u305b\u3093\uff09\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u3053\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u901a\u4fe1\u306e\u7a2e\u985e\u3054\u3068\u306b\u5b58\u5728\u3057\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u901a\u4fe1\u3054\u3068\u306b\u9069\u5207\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\uff08\u7d04\u675f\u4e8b\uff09\u304c\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u306b\u3082\u9069\u5207\u306a\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u3042\u308a\u307e\u3059\u3002\u9001\u4fe1\u30fb\u53d7\u4fe1\u3067\u4f7f\u308f\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u306b\u306fSMTP\u3068\u547c\u3070\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3044\u3001\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u3068\u304d\u306b\u306fPOP\u307e\u305f\u306fIMAP\u3068\u547c\u3070\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u308f\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mce_30\">TCP\/IP<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u30e1\u30fc\u30eb\u306b\u95a2\u9023\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001<strong>TCP\/IP<\/strong>\u3068\u3044\u3046\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u304a\u3051\u308b\u69d8\u3005\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u96c6\u307e\u308a\u306b\u6240\u5c5e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">TCP\/IP\u306b\u306f \u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u306b\u4f7f\u308f\u308c\u308b\u300cFTP\u300d\u3001Web\u30d6\u30e9\u30a6\u30b6\u3068Web\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30c7\u30fc\u30bf\u306e\u3084\u308a\u3068\u308a\u3092\u3059\u308b\u6642\u306b\u4f7f\u308f\u308c\u308b\u300cHTTP\u300d\u3001\u901a\u4fe1\u306e\u6697\u53f7\u5316\u3067\u4f7f\u308f\u308c\u308b\u300cSSL\u300d\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001TCP\/IP\u3067\u306e\u901a\u4fe1\u3067\u306f\u3001<strong>\u300c\u30dd\u30fc\u30c8\u756a\u53f7\u300d<\/strong>\u3068\u3044\u3046\u3082\u306e\u3092\u7528\u3044\u307e\u3059\u3002\u30dd\u30fc\u30c8\u756a\u53f7\u306f\u30d7\u30ed\u30c8\u30b3\u30eb\u3054\u3068\u306b\u6c7a\u307e\u3063\u305f\u756a\u53f7\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30d1\u30bd\u30b3\u30f3\u540c\u58eb\u306f\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u76ee\u5370\u306b\u3057\u3066\u3001\u3069\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u901a\u4fe1\u3059\u308b\u304b\u3092\u5224\u5225\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u306b\u95a2\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3068\u3001SMTP\u306f\u300c25\u300d\u307e\u305f\u306f\u300c587\u300d\u3002POP\u306f\u300c110\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"i3\">\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066<\/h2>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mce_9\">\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u307e\u3067\u306e\u5168\u4f53\u306e\u6d41\u308c<\/h3>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"680\" height=\"314\" class=\"wp-image-779\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2019\/05\/send-and-receive-mail.jpg\" alt=\"\" \/><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u4e0a\u306e\u56f3\u306f\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3067\u30e1\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u3066\u304b\u3089\u3001\u5b9b\u5148\u306b\u6307\u5b9a\u3057\u305f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u5c4a\u304f\u307e\u3067\u306e\u6d41\u308c\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u5148\u306b\u3054\u8aac\u660e\u3057\u305f\u3001\u90f5\u4fbf\u304c\u5c4a\u304f\u4ed5\u7d44\u307f\u3092\u601d\u3044\u51fa\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u90f5\u4fbf\u3067\u306f\u4e0b\u306e\u3088\u3046\u306a\u6d41\u308c\u3067\u624b\u7d19\u304c\u5b9b\u5148\u306b\u5c4a\u3044\u3066\u3044\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\r\n<div class=\"box01\"><span class=\"box-title\">\u90f5\u4fbf\u304c\u5c4a\u304f\u6d41\u308c<\/span>\r\n<ul>\r\n<li>\u30dd\u30b9\u30c8\u6295\u51fd\u3057\u305f\u624b\u7d19\u3084\u30cf\u30ac\u30ad\u306f\u6700\u5bc4\u308a\u306e\u90f5\u4fbf\u5c40\u306b\u5c4a\u304f<\/li>\r\n<li>\u5b9b\u5148\u306e\u4f4f\u6240\u304b\u3089\u3001\u914d\u9001\u5148\u3068\u306a\u308b\u90f5\u4fbf\u5c40\u3092\u8abf\u3079\u308b<\/li>\r\n<li>\u4f4f\u6240\u306b\u8fd1\u3044\u90f5\u4fbf\u5c40\u306b\u914d\u9001\u3055\u308c\u308b<\/li>\r\n<li>\u3084\u304c\u3066\u914d\u9054\u3059\u308b\u90f5\u4fbf\u5c40\u306b\u5c4a\u3044\u305f\u3089\u3001\u90f5\u4fbf\u5c40\u54e1\u306e\u65b9\u304c\u5b9b\u5148\u4f4f\u6240\u307e\u3067\u5c4a\u3051\u3066\u304f\u308c\u308b<\/li>\r\n<\/ul>\r\n<\/div>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3092\u5b9f\u969b\u306e\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u6d41\u308c\u306b\u7f6e\u304d\u63db\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\r\n<div class=\"box01\"><span class=\"box-title\">\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u6d41\u308c<\/span>\r\n<ul>\r\n<li>\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3067\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306f\u81ea\u793e\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u5c4a\u304f<\/li>\r\n<li>\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u3001\u914d\u9001\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\uff08\u4f4f\u6240\uff09\u3092\u8abf\u3079\u308b<\/li>\r\n<li>\u914d\u9001\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u30e1\u30fc\u30eb\u3092\u8ee2\u9001\u3059\u308b<\/li>\r\n<li>\u76f8\u624b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u3044\u305f\u3089\u3001\u65b0\u7740\u30e1\u30fc\u30eb\u3068\u3057\u3066\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304f<\/li>\r\n<\/ul>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u5168\u4f53\u306e\u6d41\u308c\u306b\u3064\u3044\u3066\u306f\u3001\u90f5\u4fbf\u306e\u4ed5\u7d44\u307f\u3068\u307b\u307c\u540c\u3058\u3060\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u96fb\u5b50\u30e1\u30fc\u30eb\u3067\u306f\u300c\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u6280\u8853\u300d\u3001\u300c\u30e1\u30fc\u30eb\u3092\u914d\u9001\u3059\u308b\u6280\u8853\u300d\u3001\u300c\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u6280\u8853\u300d\u304c\u305d\u308c\u305e\u308c\u78ba\u7acb\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u304c\u6210\u308a\u7acb\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u305d\u308c\u305e\u308c\u306e\u6280\u8853\u306b\u3064\u3044\u3066\u3001\u4e00\u3064\u305a\u3064\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"680\" height=\"382\" class=\"wp-image-836\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2019\/05\/mail-protocols-3.jpg\" alt=\"\" \/><\/figure>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">SMTP<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">SMTP\uff08Simple Mail Transfer Protocol\uff09\u3068\u306f\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306b\u7528\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">SMTP\u306f\u3001\u4ee5\u4e0b2\u3064\u306e\u7528\u9014\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\r\n<div class=\"list04\">\r\n<ul>\r\n<li>\u30d1\u30bd\u30b3\u30f3\u306e\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3067\u4f5c\u3063\u305f\u30e1\u30fc\u30eb\u3092\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3059\u308b\u6642<\/li>\r\n<li>\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u76f8\u624b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3078\u30e1\u30fc\u30eb\u3092\u914d\u9001\u3059\u308b\u6642<\/li>\r\n<\/ul>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u5f93\u6765\u306f\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306e\u8a2d\u5b9a\u3067\u306fSMTP\u306b\u30dd\u30fc\u30c8\u300c25\u300d\u3092\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3057\u305f\u304c\u3001\u6700\u8fd1\u3067\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u306a\u3069\u306e\u95a2\u4fc2\u4e0a\u3067\u300c587\u300d\u3092\u5229\u7528\u3059\u308b\u30b1\u30fc\u30b9\u3082\u5897\u3048\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mce_25\">POP<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">POP\uff08Post Office Protocol\uff09\u306f\u3001\u30e1\u30fc\u30eb\u53d7\u4fe1\u306b\u7528\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u4e0a\u3067POP\u3092\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u306f\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u5c4a\u3044\u305f\u30e1\u30fc\u30eb\u3092\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u304c\u30d1\u30bd\u30b3\u30f3\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u5074\u306e\u8a2d\u5b9a\u306b\u3082\u3088\u308a\u307e\u3059\u304c\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u304c\u30e1\u30fc\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u5f8c\u306f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u30c7\u30fc\u30bf\u306f\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>POP\u306e\u30e1\u30ea\u30c3\u30c8<\/strong>\u306f\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u6b8b\u3055\u306a\u3044\u8a2d\u5b9a\u306a\u306e\u3067<strong>\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u524a\u6e1b<\/strong>\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u307e\u305f\u3001\u30e1\u30fc\u30eb\u30c7\u30fc\u30bf\u306f\u7aef\u672b\u306b\u6b8b\u308a\u307e\u3059\u306e\u3067\u3001\u904e\u53bb\u306b\u53d7\u4fe1\u3057\u305f<strong>\u30e1\u30fc\u30eb\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3057\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u3082\u95b2\u89a7<\/strong>\u3067\u304d\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong>\u306f\u3001POP\u306f\u53d7\u4fe1\u3057\u305f\u7aef\u672b\u306b\u30c7\u30fc\u30bf\u304c\u4fdd\u5b58\u3055\u308c\u308b\u5f62\u5f0f\u306a\u306e\u3067\u3001<strong>\u8907\u6570\u53f0\u3067\u30e1\u30fc\u30eb\u3092\u95b2\u89a7\u3059\u308b\u5834\u5408\u306b\u306f\u5411\u304b\u306a\u3044<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mce_27\">IMAP<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">IMAP\uff08Internet Message Access Protocol\uff09\u306f\u3001\u30e1\u30fc\u30eb\u53d7\u4fe1\u306b\u7528\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3088\u304fPOP\u3068\u6bd4\u8f03\u3055\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3082\u3042\u308a\u307e\u3059\u3002IMAP\u3067\u306f\u300c143\u300d\u756a\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">IMAP\u3092\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u5c4a\u3044\u305f\u30e1\u30fc\u30eb\u3092\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u300d\u3092\u4ecb\u3057\u3066\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u304c\u8aad\u307f\u306b\u3044\u304d\u307e\u3059\u3002POP\u3067\u306f\u7aef\u672b\u306b\u30e1\u30fc\u30eb\u30c7\u30fc\u30bf\u3092\u81ea\u52d5\u7684\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001IMAP\u3067\u306f\u7aef\u672b\u306b\u30c7\u30fc\u30bf\u306f\u6b8b\u3057\u307e\u305b\u3093\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3068PC\u4e21\u65b9\u3067\u30e1\u30fc\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3044\u306a\u3069\u3001<strong>\u8907\u6570\u7aef\u672b\u3067\u540c\u3058\u30e1\u30fc\u30eb\u3092\u8aad\u3081\u308b\u306e\u306fIMAP\u306e\u30e1\u30ea\u30c3\u30c8<\/strong>\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u65b0\u3057\u3044\u30d1\u30bd\u30b3\u30f3\u306b\u8cb7\u3044\u66ff\u3048\u305f\u6642\u306a\u3069\u3082\u3001<strong>\u9762\u5012\u306a\u30c7\u30fc\u30bf\u79fb\u884c\u306a\u3057\u3067\u30b9\u30e0\u30fc\u30ba\u306b\u5207\u308a\u66ff\u3048<\/strong>\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">IMAP\u306e<strong>\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong>\u3068\u3057\u3066\u306f\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u304c\u6b8b\u308a\u7d9a\u3051\u308b\u305f\u3081\u3001<strong>\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u5bb9\u91cf\u6b21\u7b2c\u3067\u306f\u3001\u3059\u3050\u306b\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u6e80\u676f\u306b\u306a\u3063\u3066\u3057\u307e\u3046<\/strong>\u3053\u3068\u3067\u3059\u3002\u3082\u3057IMAP\u306e\u8a2d\u5b9a\u3092\u691c\u8a0e\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u3054\u5229\u7528\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u4e0a\u9650\u3092\u78ba\u8a8d\u3055\u308c\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"i4\">\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u3068DNS\u306b\u3064\u3044\u3066<\/h2>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mce_48\">\u306a\u305c\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u76f8\u624b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u5206\u304b\u308b\u306e\u304b\uff1f<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306b\u3001\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u3001\u3069\u3046\u3084\u3063\u3066\u76f8\u624b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u898b\u3064\u3051\u3066\u3044\u308b\u304b\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\u3001\u300cuser001@cd835.co.jp\u300d\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308b\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3061\u306a\u307f\u306b@\u30de\u30fc\u30af\u3088\u308a\u5de6\u5074\u3092\u300c\u30e6\u30fc\u30b6\u30fc\u540d\u300d\u3001\u53f3\u5074\u3092\u300c\u30c9\u30e1\u30a4\u30f3\u540d\u300d\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f\u300c user001@cd835.co.jp \u300d\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u304b\u3089\u5b9b\u5148\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p 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class=\"wp-block-paragraph\">\u3067\u306f\u3001\u90f5\u4fbf\u756a\u53f7\u3060\u3051\u3067\u306a\u305c\u3001\u4f4f\u6240\u304c\u5206\u304b\u308b\u304b\u3068\u3044\u3046\u3068\u300c\u90f5\u4fbf\u756a\u53f7\u306b\u306f\u4f4f\u6240\uff08\u756a\u5730\uff09\u60c5\u5831\u304c\u7d10\u3065\u3044\u3066\u767b\u9332\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u3092\u691c\u7d22\u3059\u308b\u4ed5\u7d44\u307f\u304c\u3042\u308b\u300d\u304b\u3089\u3067\u3059\u3088\u306d\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3067\u3082\u3001\u3053\u308c\u3068\u5168\u304f\u540c\u3058\u3053\u3068\u3092\u3057\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089<strong>DNS\u30b5\u30fc\u30d0\u30fc<\/strong>\u3068\u3044\u3046\u30b5\u30fc\u30d0\u30fc\u306b\u3001\u76ee\u7684\u306e\u60c5\u5831\u3092\u691c\u7d22\u3057\u306b\u3044\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mce_67\">DNS\u3068\u306f\uff1f<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">DNS\uff08Domain Name System\uff09\u3068\u306f\u3001<strong>\u30c9\u30e1\u30a4\u30f3\u306eIP\u30a2\u30c9\u30ec\u30b9\u306a\u3069\u4f4f\u6240\u60c5\u5831\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u4ed5\u7d44\u307f<\/strong>\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">user001@cd835.co.jp\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3068\u3001\u300c cd835.co.jp\u300d\u306e\u4f4f\u6240\u60c5\u5831\u3092\u7ba1\u7406\u3057\u3066\u3044\u308bDNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u3001\u30c9\u30e1\u30a4\u30f3\u306b\u7d10\u3065\u3044\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u305d\u306e\u5f8c\u3001\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u76f8\u624b\u5148\u306eIP\u30a2\u30c9\u30ec\u30b9\u5b9b\u306bSMTP\u901a\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u914d\u9001\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u3061\u306a\u307f\u306b\u3001 \u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u306fDNS\u306e\u300cMX\u30ec\u30b3\u30fc\u30c9\u300d\u3068\u3044\u3046\u30ec\u30b3\u30fc\u30c9\u304b\u3089\u78ba\u8a8d\u3055\u308c\u307e\u3059\u3002<\/p>\r\n<h2>\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u5b88\u308b\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6280\u8853\u300d\u306e\u91cd\u8981\u6027<\/h2>\r\n<p>\u3053\u3053\u307e\u3067\u30e1\u30fc\u30eb\u304c\u9001\u53d7\u4fe1\u3055\u308c\u308b\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f\uff08SMTP\u3084POP\u306a\u3069\uff09\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u73fe\u4ee3\u306e\u30e1\u30fc\u30eb\u74b0\u5883\u306b\u304a\u3044\u3066\u3082\u3046\u4e00\u3064\u6b20\u304b\u305b\u306a\u3044\u91cd\u8981\u306a\u8981\u7d20\u304c\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u3067\u3059\u3002<\/p>\r\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u4e16\u754c\u3067\u306f\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u300c\u306a\u308a\u3059\u307e\u3057\u300d\u3084\u300c\u76d7\u8074\u300d\u3068\u3044\u3063\u305f\u60aa\u610f\u3042\u308b\u884c\u70ba\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30d3\u30b8\u30cd\u30b9\u3067\u30e1\u30fc\u30eb\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3001\u305f\u3060\u5c4a\u304f\u3060\u3051\u3067\u306a\u304f\u300c\u5b89\u5168\u306b\u3001\u78ba\u5b9f\u306b\u5c4a\u304f\u3053\u3068\u300d\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u652f\u3048\u308b\u4ee3\u8868\u7684\u306a\u6280\u8853\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\r\n<h3>\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050SPF\u30fbDKIM\u30fbDMARC\u3068\u306f<\/h3>\r\n<p>\u30e1\u30fc\u30eb\u306b\u304a\u3051\u308b\u6700\u5927\u306e\u30ea\u30b9\u30af\u306e\u4e00\u3064\u304c\u3001\u5b9f\u5728\u3059\u308b\u4f01\u696d\u3084\u4eba\u7269\u3092\u88c5\u3063\u3066\u30e1\u30fc\u30eb\u3092\u9001\u308b\u300c\u306a\u308a\u3059\u307e\u3057\u300d\u3067\u3059\u3002\u3053\u308c\u3092\u9632\u3050\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u305f\u306e\u304c\u300c\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u300d\u3068\u547c\u3070\u308c\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\r\n<p>\u90f5\u4fbf\u306b\u4f8b\u3048\u308b\u3068\u3001\u5dee\u51fa\u4eba\u306e\u4f4f\u6240\u3084\u6c0f\u540d\u304c\u672c\u5f53\u306b\u6b63\u3057\u3044\u304b\u3001\u507d\u9020\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3092\u8a3c\u660e\u3059\u308b\u300c\u8a3c\u660e\u66f8\u300d\u3084\u300c\u30cf\u30f3\u30b3\u300d\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u73fe\u5728\u3001\u4e3b\u8981\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\uff08Gmail\u306a\u3069\uff09\u3078\u78ba\u5b9f\u306b\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u6280\u8853\u3078\u306e\u5bfe\u5fdc\u304c\u307b\u307c\u5fc5\u9808\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<div class=\"list04\">\r\n<ul>\r\n<li><strong>SPF (Sender Policy Framework)<\/strong>\u3042\u3089\u304b\u3058\u3081\u300c\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\uff08\u30b5\u30fc\u30d0\u30fc\uff09\u304b\u3089\u30e1\u30fc\u30eb\u3092\u9001\u308a\u307e\u3059\u300d\u3068\u5ba3\u8a00\u3057\u3066\u304a\u304f\u4ed5\u7d44\u307f\u3067\u3059\u3002\u53d7\u4fe1\u5074\u306f\u3001\u5c4a\u3044\u305f\u30e1\u30fc\u30eb\u304c\u8a31\u53ef\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u3089\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\r\n<li><strong>DKIM (DomainKeys Identified Mail)<\/strong>\u30e1\u30fc\u30eb\u306b\u300c\u96fb\u5b50\u7f72\u540d\u300d\u3092\u4ed8\u4e0e\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u53d7\u4fe1\u5074\u3067\u305d\u306e\u7f72\u540d\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u9014\u4e2d\u3067\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3001\u9001\u4fe1\u8005\u304c\u6b63\u5f53\u3067\u3042\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\r\n<li><strong>DMARC (Domain-based Message Authentication, Reporting, and Conformance)<\/strong>SPF\u3084DKIM\u306e\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u30e1\u30fc\u30eb\u3092\u3069\u3046\u6271\u3046\u304b\uff08\u4f8b\uff1a\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u5165\u308c\u308b\u3001\u62d2\u5426\u3059\u308b\u306a\u3069\uff09\u3092\u9001\u4fe1\u5074\u304c\u6307\u5b9a\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u3053\u308c\u30893\u3064\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5ea6\u304c\u683c\u6bb5\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002<\/div><\/li>\r\n<\/ul>\r\n<h3>\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3059\u308bSSL\/TLS\u306e\u5f79\u5272<\/h3>\r\n<p>\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u3068\u4e26\u3093\u3067\u91cd\u8981\u306a\u306e\u304c\u300c\u76d7\u8074\u9632\u6b62\u300d\u3067\u3059\u3002\u901a\u5e38\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u306f\u4f8b\u3048\u308b\u306a\u3089\u300c\u30cf\u30ac\u30ad\u300d\u306e\u3088\u3046\u306a\u72b6\u614b\u3067\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3092\u6d41\u308c\u3066\u3044\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u914d\u9001\u9014\u4e2d\u306e\u8ab0\u304b\uff08\u60aa\u610f\u3042\u308b\u7b2c\u4e09\u8005\uff09\u304c\u4e2d\u8eab\u3092\u76d7\u307f\u898b\u3088\u3046\u3068\u601d\u3048\u3070\u3001\u7c21\u5358\u306b\u898b\u3048\u3066\u3057\u307e\u3046\u30ea\u30b9\u30af\u304c\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u30ea\u30b9\u30af\u3092\u9632\u3050\u306e\u304c\u300cSSL\/TLS\u300d\u306b\u3088\u308b\u6697\u53f7\u5316\u901a\u4fe1\u3067\u3059\u3002SSL\/TLS\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e1\u30fc\u30eb\u306e\u672c\u6587\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u306e\u901a\u4fe1\u5185\u5bb9\u304c\u6697\u53f7\u5316\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30cf\u30ac\u30ad\u3092\u300c\u4e2d\u8eab\u306e\u900f\u3051\u306a\u3044\u5c01\u7b52\u300d\u306b\u5165\u308c\u3066\u9001\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u4e07\u304c\u4e00\u901a\u4fe1\u3092\u508d\u53d7\u3055\u308c\u3066\u3082\u4e2d\u8eab\u3092\u89e3\u8aad\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u969b\u306b\u300cSSL\u3092\u4f7f\u7528\u3059\u308b\u300d\u3068\u3044\u3063\u305f\u9805\u76ee\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u308b\u306e\u306f\u3001\u3053\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306a\u306e\u3067\u3059\u3002<\/p>\r\n<h2>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u539f\u56e0\u3068\u5bfe\u7b56<\/h2>\r\n<p>\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u3068\u304d\u3001\u9001\u4fe1\u5074\u306b\u539f\u56e0\u304c\u3042\u308b\u5834\u5408\u3068\u3001\u53d7\u4fe1\u5074\u306b\u539f\u56e0\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u53d7\u4fe1\u5074\u306b\u539f\u56e0\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u300c\u53d7\u4fe1\u7bb1\u306e\u5bb9\u91cf\u4e0d\u8db3\u300d\u306a\u3069\u89e3\u6c7a\u7b56\u306f\u6bd4\u8f03\u7684\u7c21\u5358\u3067\u3059\u3002<\/p>\r\n<p>\u3053\u3053\u3067\u306f\u3001\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u539f\u56e0\u3068\u5bfe\u7b56\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\r\n<h3>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u539f\u56e0<\/h3>\r\n<p>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u5834\u5408\u306f\u3001\u307e\u305a\u9001\u4fe1\u5074\u306b\u554f\u984c\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u9001\u4fe1\u5074\u306b\u539f\u56e0\u304c\u3042\u308b\u30b1\u30fc\u30b9\u3068\u3057\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u72b6\u6cc1\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\r\n<div class=\"list04\">\r\n<ul>\r\n<li>\u9001\u4fe1\u5148\u30a2\u30c9\u30ec\u30b9\u306e\u8a18\u8f09\u30df\u30b9<\/li>\r\n<li>\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044<\/li>\r\n<li>\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u3092\u53d7\u3051\u3066\u3044\u308b<\/li>\r\n<li>\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3000\u306a\u3069\u3002<\/div><\/li>\r\n<\/ul>\r\n<p>\u5b9f\u306f\u30e1\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u5c4a\u3051\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u96e3\u3057\u3044\u3053\u3068\u3067\u3001\u5c02\u9580\u306e\u6280\u8853\u3092\u6709\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3046\u3053\u3068\u3067\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<p>\u30e1\u30fc\u30eb\u306f\u7533\u3057\u8fbc\u307f\u5f8c\u306e\u81ea\u52d5\u9001\u4fe1\u30e1\u30fc\u30eb\u3084\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u306a\u3069\u69d8\u3005\u306a\u30b7\u30fc\u30f3\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u3069\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u3082\u300c\u5c4a\u304b\u306a\u3044\u300d\u3053\u3068\u306f\u30d3\u30b8\u30cd\u30b9\u4e0a\u3067\u5927\u304d\u306a\u30ea\u30b9\u30af\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u4e0a\u3052\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u3053\u3068\u8a00\u3048\u308b\u306e\u3067\u3059\u3002<\/p>\r\n<h3>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u3068\u304d\u306e\u5bfe\u7b56<\/h3>\r\n<p>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u5834\u5408\u306f\u4e0a\u8ff0\u3057\u305f\u3088\u3046\u306b\u69d8\u3005\u306a\u539f\u56e0\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u5230\u9054\u306b\u95a2\u3057\u3066\u306f\u300c\u3053\u308c\u3092\u3084\u308c\u3070\u78ba\u5b9f\u306b\u5c4a\u304f\u300d\u3068\u8a00\u3048\u308b\u3053\u3068\u306f\u306a\u3044\u3068\u3044\u3046\u306e\u304c\u73fe\u5b9f\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u4ee5\u4e0b\u306e3\u70b9\u3092\u5bfe\u7b56\u3059\u308b\u3053\u3068\u3067\u5230\u9054\u7387\u306e\u6539\u5584\u306f\u898b\u8fbc\u3081\u307e\u3059\u3002<\/p>\r\n<div class=\"list04\">\r\n<ul>\r\n<li>\u30bf\u30a4\u30c8\u30eb\u3084\u672c\u6587\u306e\u5185\u5bb9\u306b\u6ce8\u610f\u3059\u308b<\/li>\r\n<li>\u914d\u4fe1\u30ea\u30b9\u30c8\u3092\u7cbe\u67fb\u3059\u308b<\/li>\r\n<li>\u5bfe\u7b56\u304c\u3068\u3089\u308c\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3059\u308b<\/div><\/li>\r\n<\/ul>\r\n<p>\u5bfe\u7b56\u3068\u3057\u3066\u5171\u901a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3001\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u300d\u3060\u3068\u601d\u308f\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u7686\u69d8\u3082\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u3063\u305f\u7d4c\u9a13\u304c1\u5ea6\u306f\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u3082\u305d\u3082\u30e1\u30fc\u30eb\u306e\u5927\u91cf\u914d\u4fe1\u3068\u3044\u3046\u884c\u70ba\u81ea\u4f53\u304c\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3068\u9593\u9055\u308f\u308c\u308b\u5371\u967a\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<p>\u305d\u306e\u3088\u3046\u306a\u30ea\u30b9\u30af\u3092\u5c11\u3057\u3067\u3082\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u30e1\u30fc\u30eb\u306e\u672c\u6587\u3084\u30bf\u30a4\u30c8\u30eb\u306b\u300c\u5132\u304b\u308b\u300d\u306a\u3069\u306e\u602a\u3057\u3044\u6587\u7ae0\u3092\u5229\u7528\u3059\u308b\u306e\u306f\u63a7\u3048\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u30a8\u30e9\u30fc\u30a2\u30c9\u30ec\u30b9\u306b\u4f55\u5ea6\u3082\u30e1\u30fc\u30eb\u3092\u9001\u308b\u884c\u70ba\u3082\u7570\u5e38\u884c\u70ba\u3068\u3057\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002<\/p>\r\n<p>\u307e\u305f\u3001\u4e0a\u8a18\u306e\u72b6\u6cc1\u304b\u3089\u3082\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u306a\u3069\u3092\u884c\u3046\u3053\u3068\u3084\u3001\u4fe1\u983c\u3055\u308c\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\uff08\u30b7\u30b9\u30c6\u30e0\uff09\u304b\u3089\u30e1\u30fc\u30eb\u3092\u914d\u4fe1\u3059\u308b\u3053\u3068\u3067\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u300d\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u304a\u3044\u3066\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u5229\u7528\u304c\u5fc5\u9808\u3068\u8a00\u3063\u3066\u3082\u904e\u8a00\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\r\n<h3>\u30e1\u30fc\u30eb\u914d\u4fe1\u306b\u7279\u5316\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3059\u308b<\/h3>\r\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u914d\u4fe1\u306b\u7279\u5316\u3057\u305f\u5c02\u7528\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u3088\u3044\u3067\u3057\u3087\u3046\u3002\u30e1\u30fc\u30eb\u306b\u95a2\u4fc2\u3059\u308b\u4f5c\u696d\u306f\u8907\u96d1\u3067\u5206\u304b\u308a\u306b\u304f\u3044\u305f\u3081\u3001\u81ea\u793e\u306b\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3044\u305f\u3068\u3057\u3066\u3082\u89e3\u6c7a\u307e\u3067\u591a\u304f\u306e\u6642\u9593\u3092\u8981\u3057\u307e\u3059\u3002<\/p>\r\n<p>\u307e\u305f\u3001\u554f\u984c\u304c\u7d99\u7d9a\u3057\u3066\u767a\u751f\u3057\u300c\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u300d\u306a\u3093\u3066\u3053\u3068\u306b\u306a\u308c\u3070\u30d3\u30b8\u30cd\u30b9\u4e0a\u3067\u306e\u4fe1\u983c\u3092\u640d\u306a\u3044\u304b\u306d\u307e\u305b\u3093\u3002\u30e1\u30fc\u30eb\u306e\u5229\u7528\u30b7\u30fc\u30f3\u306f\u5927\u304d\u304f\u308f\u3051\u30663\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<ul>\r\n<li>\u4f1a\u54e1\u767b\u9332\u6642\u3084\u6c7a\u6e08\u60c5\u5831\u306e\u901a\u77e5\u30e1\u30fc\u30eb\u306a\u3069\u306b\u5229\u7528\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u30e1\u30fc\u30eb<\/li>\r\n<li>\u793e\u5185\u306eSMTP\u30b5\u30fc\u30d0\u306e\u4ee3\u66ff\u306b\u5229\u7528\u3059\u308bSMTP\u30e1\u30fc\u30eb<\/li>\r\n<li>\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u306a\u3069\u306e\u4e00\u6589\u9001\u4fe1<\/li>\r\n<\/ul>\r\n<p>1\u3064\u76ee\u30682\u3064\u76ee\u306f\u5f8c\u8ff0\u3059\u308bSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u300c<a href=\"https:\/\/blastengine.jp\/\">\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3(blastengine)<\/a>\u300d\u306e\u6d3b\u7528\u30fb3\u3064\u76ee\u306f\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u306a\u3069\u306e\u4e00\u6589\u9001\u4fe1\u306f\u30b7\u30a7\u30a21\u4f4d\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c<a href=\"https:\/\/blastmail.jp\/\">\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb<\/a>\u300d\u306e\u6d3b\u7528\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\r\n<p>\u305d\u306e\u4ed6\u306b\u3082\u30e1\u30fc\u30eb\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u306f\u69d8\u3005\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u81ea\u793e\u306e\u7528\u9014\u306b\u5408\u3063\u305f\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u3076\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\r\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastengine.jp\/blog_content\/mailrelay-service\/\" target=\"_blank\" rel=\"noopener\">\u30e1\u30fc\u30eb\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u304a\u3059\u3059\u308110\u9078\uff01\u6bd4\u8f03\u306e\u30dd\u30a4\u30f3\u30c8\u3084\u9078\u3073\u65b9\u3001\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u5fb9\u5e95\u89e3\u8aac<\/a><\/p>\r\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastmail.jp\/blog\/mail-delivery\/select20\">\u304a\u3059\u3059\u3081\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u6bd4\u8f0320\u9078\uff01\u30bf\u30a4\u30d7\u3084\u76ee\u7684\u5225\u306b\u89e3\u8aac\uff01<\/a><\/p>\r\n<h3>SMTP\u30ea\u30ec\u30fc\u306f\u300c\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3(blastengine)\u300d\u3092\u6d3b\u7528\u3059\u308b<\/h3>\r\n<p><img decoding=\"async\" class=\"size-full wp-image-13917 aligncenter\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2023\/11\/Screenshot-7.png\" alt=\"blastengine\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"975\" height=\"554\" \/><\/p>\r\n<p>\u4e0a\u8a18\u3067\u7d39\u4ecb\u3057\u305f\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3(blastengine)\u306f\u7c21\u5358\u306b\u30e1\u30fc\u30eb\u306e\u5927\u898f\u6a21\u9ad8\u901f\u914d\u4fe1\u304c\u53ef\u80fd\u306aSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d0\u30fc\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u3001API\u3067\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u306e\u4ed5\u7d44\u307f\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p>\u30b5\u30fc\u30d0\u30fc\u306e\u904b\u7528\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306fblastengine\u3067\u884c\u3046\u305f\u3081\u3001\u5e38\u306b\u9ad8\u3044IP\u30ec\u30d4\u30e5\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u3063\u3066\u5b89\u5168\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<p>\u307e\u305f\u3001\u5c0e\u5165\u793e\u657027,000\u793e\u300115\u5e74\u9023\u7d9a\u9867\u5ba2\u5c0e\u5165\u6570No.1\u306e\u59c9\u59b9\u88fd\u54c1blastmail\u306e\u6280\u8853\u529b\u3067\u69cb\u7bc9\u3057\u305f\u914d\u4fe1\u57fa\u76e4\u3067\u3001\u5404\u30e1\u30fc\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u3001\u643a\u5e2f\u30ad\u30e3\u30ea\u30a2\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u6700\u9069\u5316\u3068\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u7d4c\u7531\u3057\u3066\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u884c\u3044\u3001<strong>\u65e5\u672c\u56fd\u5185\u3078\u306e\u5727\u5012\u7684\u306a\u5230\u9054\u7387<\/strong>\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p>\u305d\u308c\u3067\u3044\u3066\u3001\u6708\u984d3,000\u5186\u304b\u3089\u5229\u7528\u304c\u3067\u304d\u308b\u305f\u3081\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u9ad8\u304f\u3001\u30e1\u30fc\u30eb\u3060\u3051\u3067\u306a\u304f\u65e5\u672c\u8a9e\u3067\u306e\u96fb\u8a71\u30b5\u30dd\u30fc\u30c8\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p><strong>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5165\u529b\u306e\u307f\u3067\u3059\u3050\u306b\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/strong>\u306e\u3067\u3001\u662f\u975e\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\r\n<p><a href=\"https:\/\/blastengine.jp\/\">\uff1e\uff1e\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u8a66\u3057\u3066\u307f\u308b<\/a><\/p>\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"i5\">\u307e\u3068\u3081<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u6d41\u308c\u306f\u90f5\u4fbf\u306e\u4ed5\u7d44\u307f\u3068\u4f3c\u3066\u3044\u307e\u3059\u3002\u3082\u3057\u3001\u30e1\u30fc\u30eb\u3067\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u305f\u3089\u300c\u90f5\u4fbf\u3067\u8003\u3048\u308b\u3068\u3001\u3069\u306e\u5f79\u5272\u304c\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3060\u308d\u3046\u304b\uff1f\u300d\u3068\u8003\u3048\u308b\u3068\u3001\u554f\u984c\u89e3\u6c7a\u306e\u30d2\u30f3\u30c8\u306b\u306a\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001SMTP\u30fbPOP\u30fbIMAP\u30fbDNS\u306e\u6982\u8981\u306b\u3064\u3044\u3066\u3001\u3054\u7406\u89e3\u9802\u3051\u307e\u3057\u305f\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u308c\u3089\u306b\u8a73\u3057\u304f\u306a\u308b\u5fc5\u8981\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u30e1\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u3059\u308b\u969b\u306b\u51fa\u3066\u304f\u308b\u7528\u8a9e\u3067\u3059\u306e\u3067\u3001\u305d\u308c\u305e\u308c\u304c\u3069\u3093\u306a\u7528\u9014\u306a\u306e\u304b\u306f\u899a\u3048\u3066\u304a\u3044\u3066\u640d\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\r\n\r\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/blastmail.jp\/blog\/download\/gmail-guideline-5\"><span data-sheets-root=\"1\">Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u89e3\u8aac\uff06\u5bfe\u5fdc\u65b9\u6cd5<\/span><\/a><\/p>\r\n<p><span data-sheets-root=\"1\">\n  <div class=\"blogcard\">\n  <a href=\"\/blog\/download\/gmail-guideline-5\">\n   <div class=\"blogcard_thumbnail\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2024\/01\/gmail_bunner.png\" alt=\"Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u89e3\u8aac\uff06\u5bfe\u5fdc\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\" width=\"90\" height=\"59\" \/><\/div>\n   <div class=\"blogcard_content\">\n    <div class=\"blogcard_title\">Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u89e3\u8aac\uff06\u5bfe\u5fdc\u30ac\u30a4\u30c9\u30d6\u30c3\u30af<\/div>\n    <div class=\"blogcard_excerpt\">Gmail\u9001\u4fe1\u8005 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3 \u89e3\u8aac\uff06\u5bfe\u5fdc\u65b9\u6cd5 \u5bfe\u5fdc\u65b9\u6cd5\u3082\u8a18\u8f09\u3057\u305f\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\u3067\u3059\uff01 \u3053\u306e\u8cc7\u6599\u3067\u5206\u304b\u308b\u3053\u3068 Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u89e3\u8aac\uff06\u5bfe\u2026<\/div>\n   <\/div>\n   <div class=\"clear\"><\/div>\n  <\/a>\n  <\/div><\/span><\/p>\r\n\r\n<div class=\"blog-faq\"><h2 class=\"blog-faq__title\">FAQ<\/h2><dl class=\"blog-faq__list\">\r\n\r\n  <dt class=\"blog-faq__question\">Q\uff1a\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u3092\u7c21\u5358\u306b\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u30e1\u30fc\u30eb\u306e\u4ed5\u7d44\u307f\u306f\u3088\u304f\u90f5\u4fbf\u306b\u4f8b\u3048\u3089\u308c\u307e\u3059\u3002\u4f5c\u6210\u3057\u305f\u30e1\u30fc\u30eb\u306f\u307e\u305a\u9001\u4fe1\u5074\u306e\u30b5\u30fc\u30d0\u30fc\uff08\u90f5\u4fbf\u5c40\uff09\u306b\u9001\u3089\u308c\u3001\u305d\u3053\u304b\u3089\u76f8\u624b\u306e\u30b5\u30fc\u30d0\u30fc\uff08\u76f8\u624b\u306e\u90f5\u4fbf\u5c40\uff09\u3078\u914d\u9001\u3055\u308c\u3001\u6700\u7d42\u7684\u306b\u53d7\u4fe1\u8005\u304c\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308b\uff08\u90f5\u4fbf\u53d7\u3051\u304b\u3089\u53d6\u308a\u51fa\u3059\uff09\u3068\u3044\u3046\u6d41\u308c\u3067\u3059\u3002<strong>\u9001\u4fe1\u30fb\u914d\u9001\u30fb\u53d7\u4fe1\u306e\u305d\u308c\u305e\u308c\u3067\u7570\u306a\u308b\u6280\u8853\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b<\/strong>\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/dd>\r\n\r\n  <dt class=\"blog-faq__question\">Q\uff1aSMTP\u30b5\u30fc\u30d0\u30fc\u3068POP\/IMAP\u30b5\u30fc\u30d0\u30fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1aSMTP\u306f\u30e1\u30fc\u30eb\u3092\u300c\u9001\u4fe1\u30fb\u8ee2\u9001\u300d\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\uff08\u7d04\u675f\u4e8b\uff09\u3067\u3001POP\u3084IMAP\u306f\u30b5\u30fc\u30d0\u30fc\u306b\u3042\u308b\u30e1\u30fc\u30eb\u3092\u300c\u53d7\u4fe1\uff08\u95b2\u89a7\uff09\u300d\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<strong>SMTP\u306f\u624b\u7d19\u3092\u30dd\u30b9\u30c8\u306b\u6295\u51fd\u3057\u3066\u5c4a\u3051\u308b\u5f79\u5272\u3001POP\/IMAP\u306f\u5c4a\u3044\u305f\u624b\u7d19\u3092\u90f5\u4fbf\u53d7\u3051\u304b\u3089\u53d6\u308a\u51fa\u3059\u5f79\u5272<\/strong>\u3068\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/dd>\r\n\r\n  <dt class=\"blog-faq__question\">Q\uff1a\u53d7\u4fe1\u8a2d\u5b9a\u306e\u300cPOP\u300d\u3068\u300cIMAP\u300d\u306f\u3069\u3061\u3089\u3092\u9078\u3079\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/dt><dd class=\"blog-faq__answer\">A\uff1a\u7aef\u672b\u306b\u30e1\u30fc\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u7ba1\u7406\u3057\u305f\u3044\u5834\u5408\u306f\u300cPOP\u300d\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u30e1\u30fc\u30eb\u3092\u7ba1\u7406\u3057\u305f\u3044\u5834\u5408\u306f\u300cIMAP\u300d\u3092\u9078\u3073\u307e\u3059\u3002<strong>\u30b9\u30de\u30db\u3068PC\u306a\u3069\u8907\u6570\u306e\u7aef\u672b\u3067\u540c\u3058\u30e1\u30fc\u30eb\u3092\u898b\u305f\u3044\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u304c\u6b8b\u308b\u300cIMAP\u300d\u304c\u4fbf\u5229\u3067\u304a\u3059\u3059\u3081<\/strong>\u3067\u3059\u3002<\/dd>\r\n\r\n  <dt 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class=\"blog-faq__answer\">A\uff1aDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\uff20\u4ee5\u964d\uff08\u30c9\u30e1\u30a4\u30f3\uff09\u3092IP\u30a2\u30c9\u30ec\u30b9\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u4f4f\u6240\uff09\u306b\u5909\u63db\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<strong>\u3053\u308c\u304c\u306a\u3044\u3068\u30e1\u30fc\u30eb\u306e\u914d\u9001\u5148\uff08\u76f8\u624b\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u5834\u6240\uff09\u304c\u7279\u5b9a\u3067\u304d\u305a\u3001\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/strong><\/dd>\r\n\r\n<\/dl><\/div>","protected":false},"excerpt":{"rendered":"<p>SMTP\u30fbPOP\u30fbIMAP\u3063\u3066\u4f55\uff1f \u30e1\u30fc\u30eb\u3092\u9001\u308b\u4ed5\u7d44\u307f\u3063\u3066\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u306e\uff1f 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