{"id":2354,"date":"2024-02-01T16:25:40","date_gmt":"2024-02-01T07:25:40","guid":{"rendered":"https:\/\/bmb.jp\/maildeliver\/?p=2354"},"modified":"2024-06-21T11:48:00","modified_gmt":"2024-06-21T02:48:00","slug":"smtp-server","status":"publish","type":"post","link":"https:\/\/bmb.jp\/maildeliver\/smtp-server","title":{"rendered":"SMTP\u30b5\u30fc\u30d0\u30fc\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306b\u304a\u3051\u308b\u91cd\u8981\u6027\u3068\u305d\u306e\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u9055\u3044"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2024\/02\/smtp-server.jpg\" alt=\"SMTP\u30b5\u30fc\u30d0\u30fc\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306b\u304a\u3051\u308b\u91cd\u8981\u6027\u3068\u305d\u306e\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u9055\u3044\u3000\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" class=\"wp-image-2359\"\/><\/figure>\n\n\n\n<p>\u30e1\u30fc\u30eb\u306f\u4e16\u754c\u4e2d\u3067\u5229\u7528\u3055\u308c\u308b\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u79c1\u305f\u3061\u306e\u751f\u6d3b\u306b\u6d78\u900f\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u3088\u308a\u8eab\u8fd1\u3067\u4ee3\u8868\u7684\u306a\u3082\u306e\u3068\u306a\u308a\u307e\u3057\u305f<\/p>\n\n\n\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3046\u306b\u306f\u3001\u300c\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u300d\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u3084\u5f79\u5272\u304c\u3042\u308a\u3001\u305d\u306e\u4e2d\u3067\u3082\u4e3b\u306b<strong><span class=\"swl-marker mark_yellow\">\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306b\u95a2\u308f\u308b\u30b5\u30fc\u30d0\u30fc\u304c\u300cSMTP\u30b5\u30fc\u30d0\u30fc\u300d<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u306e\u91cd\u8981\u6027\u306b\u7126\u70b9\u3092\u5f53\u3066\u3064\u3064\u3001\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306b\u304a\u3051\u308b\u305d\u306e\u5f79\u5272\u3068\u3001POP\u3084IMAP\u3068\u3044\u3063\u305f\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e1\u30fc\u30eb\u304c\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u79c1\u305f\u3061\u306e\u30c7\u30b8\u30bf\u30eb\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u308b\u306e\u304b\u3001\u305d\u306e\u88cf\u306b\u3042\u308b\u6280\u8853\u7684\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1360\" height=\"350\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2024\/02\/image.png\" alt=\"\" class=\"wp-image-2358\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">SMTP\u30b5\u30fc\u30d0\u30fc\u3068\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u95a2\u4fc2<\/h2>\n\n\n\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u9023\u643a\u306b\u3088\u308a\u6210\u308a\u7acb\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306fSMTP\u30b5\u30fc\u30d0\u30fc\u3068\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306e\u95a2\u4fc2\u6027\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SMTP\u3068\u306f<\/h3>\n\n\n\n<p>SMTP\uff08Simple Mail Transfer Protocol\uff09\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306b\u5229\u7528\u3059\u308b\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb<\/span><\/strong>\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u540c\u58eb\u304c\u901a\u4fe1\u3092\u884c\u3046\u969b\u306e\u300c\u6c7a\u307e\u308a\u4e8b\u300d\u3092\u6307\u3059\u7528\u8a9e\u3067\u3059\u3002\u4f8b\u3068\u3057\u3066\u3001PC\u304b\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u4f55\u304b\u691c\u7d22\u3057\u305f\u308a\u3001\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3092\u95b2\u89a7\u3057\u305f\u308a\u3059\u308b\u3068\u304d\u306f\u300chttp\uff5e\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u304c\u76ee\u306b\u5165\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u300cHTTP\u300d\u3082\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306bSMTP\u304c\u4f7f\u308f\u308c\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u969b\u306b\u306fPOP\u3001\u307e\u305f\u306fIMAP\u3068\u3044\u3046\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002SMTP\u306b\u3064\u3044\u3066\u306f<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastengine.jp\/blog_content\/smtp-bas\/\" target=\"_blank\" rel=\"noopener\" title=\"\">SMTP\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306b\u304a\u3051\u308b\u5f79\u5272\u3068SMTP\u30b3\u30de\u30f3\u30c9\uff0f\u5fdc\u7b54\u30b3\u30fc\u30c9\u3092\u8a73\u3057\u304f\u89e3\u8aac<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u306e\u89e3\u8aac\u306e\u524d\u306b\u3001\u307e\u305a\u306f\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u6d41\u308c\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ol class=\"-list-under-dashed has-swl-pale-02-background-color has-background wp-block-list\">\n<li>\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b<\/li>\n\n\n\n<li>SMTP\u3067\u9001\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\uff08SMTP\u30b5\u30fc\u30d0\u30fc\uff09\u3078\u9001\u308b<\/li>\n\n\n\n<li>SMTP\u3067\u9001\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u53d7\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\uff08SMTP\u30b5\u30fc\u30d0\u30fc\uff09\u3078\u30e1\u30fc\u30eb\u3092\u8ee2\u9001\u3059\u308b<\/li>\n\n\n\n<li>POP\/IMAP\uff08\u5f8c\u8ff0\uff09\u3067\u53d7\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u53d7\u4fe1\u5074\u306e\u7aef\u672b\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3046\u306b\u306f\u3001\u300cSMTP\u300d\u300cPOP\u300d\u300cIMAP\u300d\u300cDNS\u300d\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002\u8907\u6570\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u9023\u643a\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SMTP\u30b5\u30fc\u30d0\u30fc\u3068\u306f<\/h3>\n\n\n\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u306f\u3001<strong>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306b\u643a\u308f\u308b\u30b5\u30fc\u30d0\u30fc<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e1\u30fc\u30eb\u914d\u9001\u3092\u4f9d\u983c\u3055\u308c\u305fSMTP\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u7ba1\u7406\u3059\u308bSMTP\u30b5\u30fc\u30d0\u30fc\u307e\u3067\u9001\u4fe1\u3059\u308b\u3068\u3044\u3046\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u9001\u53d7\u4fe1\u306e\u6d41\u308c\u306e1\u301c3\u3001\u3064\u307e\u308a\u9001\u4fe1\u306b\u95a2\u308f\u308b\u90e8\u5206\u306fSMTP\u30b5\u30fc\u30d0\u30fc\u306e\u50cd\u304d\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002\u306a\u304a\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u306f\u300cMTA\u300d\u3068\u300cMDA\u300d\u3068\u3044\u3046\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\"><span>MTA\uff08Mail Transfer Agent\uff09\u3068\u306f<\/span><\/div><div class=\"cap_box_content\">\n<p>SMTP\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u3092\u8ee2\u9001\u3059\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u95a2\u3059\u308b\u4e3b\u306a\u5f79\u5272\u306fMTA\u304c\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\"><span>MDA\uff08Mail Delivery Agent\uff09\u3068\u306f<\/span><\/div><div class=\"cap_box_content\">\n<p>\u4e0a\u8a18\u306eMTA\u306b\u3088\u3063\u3066\u53d7\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308a\u3001\u5404\u30e6\u30fc\u30b6\u30fc\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u4ed5\u5206\u3051\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u3061\u306a\u307f\u306b\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306b\u3064\u3044\u3066\u306f\u300cMUA\u300d\uff08Mail User Agent\uff09\u3068\u8868\u8a18\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">POP\u30b5\u30fc\u30d0\u30fc\u3068\u306f<\/h3>\n\n\n\n<p>POP\uff08Post Office Protocol\uff09\u30b5\u30fc\u30d0\u30fc\u3068\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u306b\u643a\u308f\u308b\u30b5\u30fc\u30d0\u30fc<\/span><\/strong>\u306e\u3072\u3068\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u53d7\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u3092\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3057\u3001\u53d7\u4fe1\u8005\u304c\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u4e0a\u3067\u53d7\u4fe1\u3092\u884c\u3046\u969b\u306b\u7aef\u672b\u3078\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5f79\u5272\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5148\u8ff0\u3057\u305f\u3001\u9001\u53d7\u4fe1\u306e\u6d41\u308c\u306e\u300c4\u300d\u306f\u3001POP\u30b5\u30fc\u30d0\u30fc\u306e\u62c5\u5f53\u3067\u3059\u3002\u3053\u306ePOP\u30b5\u30fc\u30d0\u30fc\u306e\u6a5f\u80fd\u306b\u3088\u3063\u3066\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3001\u95b2\u89a7\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u3082\u30e1\u30fc\u30eb\u306e\u95b2\u89a7\u304c\u3067\u304d\u308b\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u3092\u5727\u8feb\u3057\u306a\u3044\u306a\u3069\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IMAP\u30b5\u30fc\u30d0\u30fc\u3068\u306f<\/h3>\n\n\n\n<p>IMAP\uff08Internet Message Access Protocol\uff09\u30b5\u30fc\u30d0\u30fc\u3082POP\u30b5\u30fc\u30d0\u30fc\u3068\u540c\u3058\u304f\u3001<strong>\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u306b\u5fc5\u8981\u306a\u30b5\u30fc\u30d0\u30fc<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7aef\u672b\u3078\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308bPOP\u30b5\u30fc\u30d0\u30fc\u3068\u306f\u7570\u306a\u308a\u3001\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3057\u305f\u969b\u306b\u7aef\u672b\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u305b\u305a\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3057\u305f\u307e\u307e\u306e\u72b6\u614b\u3067\u30e1\u30fc\u30eb\u3092\u95b2\u89a7\u3067\u304d\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u4fdd\u5b58\u5bb9\u91cf\u306e\u5c11\u306a\u3044\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306a\u3069\u306e\u7aef\u672b\u3067\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u969b\u3001\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306bIMAP\u30b5\u30fc\u30d0\u30fc\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u5834\u5408\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u8907\u6570\u306e\u7aef\u672b\u304b\u3089\u30e1\u30fc\u30eb\u3092\u95b2\u89a7\u53ef\u80fd\u306a\u3053\u3068\u3084\u3001\u7aef\u672b\u5909\u66f4\u306e\u969b\u3082\u30c7\u30fc\u30bf\u3092\u79fb\u884c\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u3053\u3068\u306a\u3069\u304c\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u53d7\u4fe1\u7528\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u969b\u3001POP\u30b5\u30fc\u30d0\u30fc\u3082\u3057\u304f\u306fIMAP\u30b5\u30fc\u30d0\u30fc\u306e\u3069\u3061\u3089\u304b\u306b\u6c7a\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5229\u7528\u3059\u308b\u74b0\u5883\u306b\u5fdc\u3058\u3066\u9078\u629e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DNS\u30b5\u30fc\u30d0\u30fc\u3068\u306f<\/h3>\n\n\n\n<p>\u3055\u304d\u307b\u3069\u306e\u9001\u53d7\u4fe1\u306e\u6d41\u308c\u306e\u300c3\u300d\u306b\u304a\u3044\u3066\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u306e\u307b\u304b\u306b\u3082DNS\u30b5\u30fc\u30d0\u30fc\u3068\u3044\u3046\u3082\u306e\u304c\u50cd\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>DNS\u30b5\u30fc\u30d0\u30fc\uff08Domain Name System\u30b5\u30fc\u30d0\u30fc\uff09\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30d1\u30bd\u30b3\u30f3\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u3001\u307e\u305a\u306f\u9001\u4fe1\u30b5\u30fc\u30d0\u30fc\u304b\u3089DNS\u30b5\u30fc\u30d0\u30fc\u3092\u4ecb\u3057\u3066\u3001\u53d7\u4fe1\u7528\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u3064\u3044\u3066\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u306e\u3001\u554f\u3044\u5408\u308f\u305b\u306b\u3088\u308aIP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u3001\u5b9b\u5148\u3078\u3068\u5186\u6ed1\u306b\u9001\u4fe1\u3055\u308c\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\"><span>IP\u30a2\u30c9\u30ec\u30b9\uff08Internet Protocol Address\uff09\u3068\u306f<\/span><\/div><div class=\"cap_box_content\">\n<p>\u6570\u591a\u304f\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304b\u3089\u500b\u5225\u306e\u4e00\u3064\u3092\u7279\u5b9a\u3059\u308b\u8b58\u5225\u5b50\u306b\u306a\u308a\u307e\u3059\u3002\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e16\u754c\u3067\u306e\u4f4f\u6240\u300d\u3068\u8003\u3048\u3066\u3044\u305f\u3060\u304f\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u898f\u5247\u6027\u306e\u3042\u308b\u6570\u5024\u3067\u8868\u3055\u308c\u307e\u3059\u304c\u3001\u5229\u7528\u3059\u308b\u969b\u306b\u8a8d\u8b58\u3057\u3084\u3059\u3044\u6587\u5b57\u306b\u7f6e\u304d\u63db\u3048\u305f\u3082\u306e\u304c\u30c9\u30e1\u30a4\u30f3\u3068\u306a\u308a\u307e\u3059\u3002\u300c.com\u300d\u3084\u300c.jp\u300d\u306a\u3069\u304c\u6709\u540d\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u3059\u3002\u3053\u3053\u3082\u3001\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3055\u3089\u306b\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastengine.jp\/blog_content\/email-server\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u7a2e\u985e\u3068\u5f79\u5272\u3092\u89e3\u8aac\uff01\u8a2d\u5b9a\u65b9\u6cd5\u3068\u30a8\u30e9\u30fc\u6642\u306e\u5bfe\u51e6\u6cd5<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SMTP\u3068SMTPS\u306e\u9055\u3044<\/h3>\n\n\n\n<p>SMTP\u5358\u4f53\u306b\u306f\u8a8d\u8a3c\u3084\u6697\u53f7\u5316\u306e\u4ed5\u7d44\u307f\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u305d\u306e\u307e\u307e\u3067\u306f\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u304c\u5916\u90e8\u306b\u6f0f\u308c\u3084\u3059\u3044\u72b6\u614b\u3067\u3059\u3002\u30e1\u30fc\u30eb\u3092\u5b89\u5168\u306b\u9001\u4fe1\u3059\u308b\u306b\u306f\u300cSSL\/TLS\u300d\u3068\u3044\u3046\u6697\u53f7\u5316\u901a\u4fe1\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u300cSMTPS\u300d\u3068\u3044\u3046\u901a\u4fe1\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u9001\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306bSMTPS\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001<strong><span class=\"swl-marker mark_yellow\">\u9001\u4fe1\u8005\u3068\u9001\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3067\u304d\u308b<\/span><\/strong>\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30d0\u30fc\u3067\u3042\u308b\u4fdd\u8a3c\u306b\u3082\u3064\u306a\u304c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u4fe1\u983c\u6027\u306f\u4fdd\u8a3c\u3067\u304d\u3066\u3082\u3001\u9001\u4fe1\u8005\u304c\u5b89\u5168\u304b\u3069\u3046\u304b\u307e\u3067\u306f\u5bfe\u7b56\u3067\u304d\u306a\u3044\u3053\u3068\u304cSMTPS\u306e\u5f31\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u3001SMTPS\u3068SMTP\u8a8d\u8a3c\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u672c\u6587\u3084\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u6697\u53f7\u5316\u3057\u306a\u304c\u3089\u30a2\u30ab\u30a6\u30f3\u30c8\u540d\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u3082\u5b88\u308b\u3001\u3068\u3044\u3063\u305f\u3088\u3046\u306a\u5bfe\u7b56\u3082\u3068\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u72b6\u6cc1\u306b\u5fdc\u3058\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3084\u8a8d\u8a3c\u65b9\u6cd5\u306a\u3069\u306e\u5c0e\u5165\u306a\u3069\u3092\u691c\u8a0e\u3057\u3001\u5bfe\u7b56\u3092\u5fc3\u304c\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SMTP\u8a8d\u8a3c\u3068\u306f<\/h3>\n\n\n\n<p>SMTP\u8a8d\u8a3c\uff08SMTP AUTH\uff09\u3068\u306f\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306b\u3001<strong><span class=\"swl-marker mark_yellow\">\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u3088\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u884c\u3046<\/span><\/strong>\u65b9\u6cd5\u3067\u3059\u3002SMTP\u8a8d\u8a3c\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3084\u60aa\u610f\u3042\u308b\u7b2c\u4e09\u8005\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u308b\u306e\u304c\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3082\u3068\u3082\u3068\u3042\u3063\u305fSMTP\u306e\u4ed5\u69d8\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u306a\u3069\u304c\u306a\u304b\u3063\u305f\u305f\u3081\u306b\u3001\u5927\u91cf\u306e\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u304c\u98db\u3073\u4ea4\u3046\u4e8b\u614b\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u3053\u3067\u3001\u642d\u8f09\u3055\u308c\u305f\u306e\u304cSMTP\u8a8d\u8a3c\u3067\u3059\u3002<\/p>\n\n\n\n<p>SMTP\u306f\u901a\u5e38\u3067\u306f25\u756a\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001SMTP\u8a8d\u8a3c\u3067\u306f\u591a\u304f\u306e\u5834\u5408\u300c587\u756a\u30dd\u30fc\u30c8\u300d\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u307e\u305f\u3001SMTP\u8a8d\u8a3c\u306b\u5bfe\u5fdc\u3057\u305f\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u9ad8\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u4fdd\u305f\u308c\u307e\u3059\u3002\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u305f\u3081\u306b\u306f\u3001\u3053\u308c\u3082\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p>SMTP\u8a8d\u8a3c\uff08SMTP AUTH\uff09\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastengine.jp\/blog_content\/smtp-auth\/\" target=\"_blank\" rel=\"noopener\" title=\"\">SMTP-AUTH\u3068\u306f\uff1f\u30e1\u30ea\u30c3\u30c8\u3084\u8a8d\u8a3c\u65b9\u5f0f\u3001\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u30ea\u30b9\u30af\u3092\u89e3\u8aac<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SMTP\u30b5\u30fc\u30d0\u30fc\u306e\u91cd\u8981\u6027<\/h2>\n\n\n\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u306e\u5f79\u5272\u306f\u3001\u300c\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u300d\u306b\u95a2\u308f\u308b\u3053\u3068\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u3053\u3067\u306f\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u306e\u91cd\u8981\u6027\u306b\u3064\u3044\u30664\u3064\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30fc\u30eb\u3092\u5b9b\u5148\u306b\u5c4a\u3051\u308b<\/h3>\n\n\n\n<p>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u3092\u5b9b\u5148\u306b\u5c4a\u3051\u308b\u305f\u3081\u306b\u306f\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u306e\u5b58\u5728\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306b\u3001\u6587\u66f8\u304b\u3089\u30b3\u30fc\u30c9\u306b\u5909\u63db\u3055\u308c\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u306b\u3088\u3063\u3066\u30b3\u30fc\u30c9\u304c\u51e6\u7406\u3055\u308c\u3066\u53d7\u4fe1\u8005\u5074\u306e\u30b5\u30fc\u30d0\u30fc\u3078\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u304c\u306a\u3051\u308c\u3070\u30e1\u30fc\u30eb\u306f\u30b3\u30fc\u30c9\u51e6\u7406\u3082\u8ee2\u9001\u3082\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30fc\u30eb\u306e\u4e2d\u7d99<\/h3>\n\n\n\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30e1\u30fc\u30eb\u304c\u6700\u7d42\u7684\u306a\u53d7\u4fe1\u8005\u306b\u5230\u9054\u3059\u308b\u307e\u3067\u306e\u9593\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ed6\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3078\u30e1\u30fc\u30eb\u3092\u4e2d\u7d99\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7570\u306a\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u9593\u3067\u306e\u30e1\u30fc\u30eb\u306e\u3084\u308a\u53d6\u308a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e1\u30fc\u30eb\u3092\u9001\u308b\u6642\u306b\u30b5\u30fc\u30d0\u304b\u3089\u5225\u306e\u30b5\u30fc\u30d0\u3078\u8ee2\u9001\u3059\u308b\u3053\u3068\u3092SMTP\u30ea\u30ec\u30fc\u3068\u8a00\u3044\u307e\u3059\u3002SMTP\u30ea\u30ec\u30fc\u306b\u3064\u3044\u3066\u306f\u5f8c\u8ff0\u3057\u307e\u3059\u306e\u3067\u4f75\u305b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9001\u4fe1\u5143\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u6709\u52b9\u6027\u3092\u4fdd\u8a3c\u3059\u308b<\/h3>\n\n\n\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u304c\u6709\u52b9\u306a\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u304b\u78ba\u8a8d\u3057\u3001\u305d\u306e\u6709\u52b9\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u304b\u3089\u53d7\u4fe1\u8005\u3092\u5b88\u308b\u5f79\u5272\u3082\u3042\u308b\u306e\u3067\u3059\u3002\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u306b\u3064\u3044\u3066\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u5316\u304c\u9032\u3080\u73fe\u4ee3\u793e\u4f1a\u3067\u306f\u4eca\u5f8c\u3082\u91cd\u8981\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9001\u4fe1\u30a8\u30e9\u30fc\u306e\u969b\u306b\u901a\u77e5\u3057\u3066\u304f\u308c\u308b<\/h3>\n\n\n\n<p>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u305a\u8fd4\u3063\u3066\u304d\u305f\u3068\u3044\u3046\u7d4c\u9a13\u304c\u3042\u308b\u65b9\u3082\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u4f55\u304b\u3057\u3089\u306e\u4e0d\u5177\u5408\u304c\u3042\u3063\u305f\u969b\u3001SMTP\u30b5\u30fc\u30d0\u30fc\u306f\u5bfe\u8c61\u306e\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u5143\u307e\u3067\u623b\u3057\u3001\u300c\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u9593\u9055\u3044\u304c\u3042\u3063\u305f\u300d\u306a\u3069\u306e\u9001\u4fe1\u30a8\u30e9\u30fc\u3092\u77e5\u3089\u305b\u308b\u5f79\u5272\u3082\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SMTP\u30dd\u30fc\u30c8\u3068\u306f<\/h2>\n\n\n\n<p>SMTP\u30dd\u30fc\u30c8\u3068\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">SMTP\u30b5\u30fc\u30d0\u30fc\u304c\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3046\u969b\u306b\u4f7f\u7528\u3059\u308b\u901a\u4fe1\u30dd\u30fc\u30c8<\/span><\/strong>\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u300c\u30dd\u30fc\u30c8\u300d\u3068\u306f\u3001SMTP\u306a\u3069\u3092\u542b\u3081\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u7279\u5b9a\u306e\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u3092\u8b58\u5225\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e16\u754c\u3067\u306e\u4f4f\u6240\u300d\u3068\u5148\u8ff0\u3057\u307e\u3057\u305f\u304c\u3001\u30dd\u30fc\u30c8\u306f\u305d\u306e\u4f4f\u6240\u306b\u3042\u308b\u96c6\u5408\u4f4f\u5b85\u306e\u300c\u7384\u95a2\u300d\u3068\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30e1\u30fc\u30eb\u3092\u632f\u308a\u5206\u3051\u308b\u969b\u3001IP\u30a2\u30c9\u30ec\u30b9\u306b\u3088\u3063\u3066\u5206\u914d\u3055\u308c\u305f\u3082\u306e\u3092\u3001\u30dd\u30fc\u30c8\u306b\u3088\u3063\u3066\u3055\u3089\u306b\u7d30\u5206\u5316\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306a\u3069\u3092\u9632\u3050\u3053\u3068\u306b\u3082\u5f79\u7acb\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>&nbsp;SMTP\u30dd\u30fc\u30c8\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3088\u308a\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastengine.jp\/blog_content\/smtp-port\/\" target=\"_blank\" rel=\"noopener\" title=\"\">SMTP\u30dd\u30fc\u30c8\u3068\u306f\uff1f\u4e00\u822c\u7684\u306a\u30dd\u30fc\u30c8\u756a\u53f7\u3068\u9069\u5207\u306a\u9078\u3073\u65b9<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30dd\u30fc\u30c8\u756a\u53f7\u3068\u306f<\/h3>\n\n\n\n<p>\u30dd\u30fc\u30c8\u3067\u3042\u308b\u300c\u7384\u95a2\u300d\u306f\u3044\u304f\u3064\u3082\u3042\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u3054\u3068\u306b\u756a\u53f7\u304c\u5272\u308a\u632f\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u304c\u300c\u30dd\u30fc\u30c8\u756a\u53f7\u300d\u3067\u3059\u3002\u96c6\u5408\u4f4f\u5b85\u306e\u300c\u90e8\u5c4b\u756a\u53f7\u300d\u306b\u7f6e\u304d\u63db\u3048\u3066\u8003\u3048\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u756a\u53f7\u306e\u4e21\u65b9\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u8868\u7684\u306aSMPT\u30dd\u30fc\u30c8<\/h3>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bSMTP\u30dd\u30fc\u30c8\u306f\u3044\u304f\u3064\u304b\u5b58\u5728\u3057\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u3082\u306e\u304c\u300c25\u300d\u300c465\u300d\u300c587\u300d\u300c2525\u300d\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">25<\/h4>\n\n\n\n<p>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u53d7\u4fe1\u3059\u308b\u969b\u306e\u6a19\u6e96\u7684\u306aSMTP\u30dd\u30fc\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001SMTP\u306b\u306f\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u6a5f\u80fd\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u904e\u53bb\u306b\u306f\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u6a5f\u80fd\u304c\u306a\u3044\u305f\u3081\u306b\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u63d0\u4f9b\u3059\u308b\u9001\u4fe1\u7528\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u305b\u305a\u3001\u5927\u91cf\u306e\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u306e\u305f\u3081\u3001\u4ed6\u30b5\u30fc\u30d3\u30b9\u3084\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u3088\u3063\u3066\u300c25\u756a\u30dd\u30fc\u30c8\u30d6\u30ed\u30c3\u30af\uff08OP25B\uff09\u300d\u3068\u547c\u3070\u308c\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u304c\u3068\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u73fe\u5728\u3067\u306f\u4e00\u90e8\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u9664\u304d\u3001\u5225\u306e\u30dd\u30fc\u30c8\u304c\u4ee3\u66ff\u7684\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u4ee3\u66ff\u30dd\u30fc\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306b\u7d9a\u3051\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">465<\/h4>\n\n\n\n<p>TLS\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3088\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\u3092\u884c\u3046\u30b5\u30d6\u30df\u30c3\u30b7\u30e7\u30f3\uff08\u4ee3\u66ff\uff09\u30dd\u30fc\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p>SMTPS\u3092\u4f8b\u3068\u3057\u3066\u3001SSL\/TLS\u306b\u3088\u308b\u6697\u53f7\u5316\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3053\u3061\u3089\u306e\u30dd\u30fc\u30c8\u3078\u9001\u4fe1\u4f9d\u983c\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u306e\u6a5f\u80fd\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u73fe\u5728\u516c\u5f0f\u3067\u306f\u975e\u63a8\u5968\u306e\u30dd\u30fc\u30c8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">587<\/h4>\n\n\n\n<p>\u30e1\u30fc\u30eb\u9001\u4fe1\u7528\u306e\u4ee3\u8868\u7684\u306a\u30b5\u30d6\u30df\u30c3\u30b7\u30e7\u30f3\u30dd\u30fc\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p>587\u756a\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u306f\u3001\u300cSMTP\u8a8d\u8a3c\uff08SMTP AUTH\uff09\u300d\u3068\u5408\u308f\u305b\u3066\u5229\u7528\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2525<\/h4>\n\n\n\n<p>SMTP\u3068\u516c\u5f0f\u306b\u306f\u95a2\u9023\u3057\u3066\u3044\u306a\u3044\u30dd\u30fc\u30c8\u3067\u3059\u304c\u3001587\u756a\u30dd\u30fc\u30c8\u304c\u4f55\u3089\u304b\u306e\u7406\u7531\u3067\u4f7f\u7528\u3067\u304d\u306a\u3044\u969b\u306e\u4ee3\u66ff\u30dd\u30fc\u30c8\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u73fe\u5728\u3001SMTP\u3067\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306f\u3001587\u756a\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002587\u756a\u30dd\u30fc\u30c8\u304c\u5229\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u306f2525\u756a\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SMTP\u30ea\u30ec\u30fc\u3068\u306f<\/h2>\n\n\n\n<p>SMTP\u30b5\u30fc\u30d0\u30fc\u306e\u5f79\u5272\u306e\u3072\u3068\u3064\u306b\u300c\u30e1\u30fc\u30eb\u306e\u4e2d\u7d99\u300d\u304c\u3042\u308b\u3068\u304a\u4f1d\u3048\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u3092SMTP\u30ea\u30ec\u30fc\uff08\u30e1\u30fc\u30eb\u30ea\u30ec\u30fc\uff09\u3068\u8a00\u3044\u3001SMTP\u30ea\u30ec\u30fc\u306b\u4f7f\u7528\u3055\u308c\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u3053\u3068\u3092\u300cSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d0\u300d\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SMTP\u30ea\u30ec\u30fc\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<p>SMTP\u30ea\u30ec\u30fc\u306b\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">\u5927\u91cf\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u9001\u4fe1\u3067\u304d\u305f\u308a\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u306b\u793e\u5185\u30b5\u30fc\u30d0\u304c\u4e0d\u8981\u3060\u3063\u305f\u308a\u3068\u3044\u3063\u305f\u69d8\u3005\u306a\u30e1\u30ea\u30c3\u30c8<\/span><\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"has-swl-pale-02-background-color has-background wp-block-list\">\n<li>\u5927\u91cf\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u9001\u4fe1\u306e\u30b9\u30d4\u30fc\u30c9\u3092\u5411\u4e0a\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30b9\u30d1\u30e0\u30d5\u30a3\u30eb\u30bf\u3092\u56de\u907f\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u9001\u4fe1\u30ed\u30b0\u304c\u6b8b\u308b<\/li>\n\n\n\n<li>\u793e\u5185\u30d3\u30b8\u30cd\u30b9\u30b5\u30fc\u30d0\u4e0d\u8981\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\u3067\u304d\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u305d\u306e\u4e2d\u3067\u3082\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306fSMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3063\u3066\u3001\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u9ad8\u901f\u304b\u3064\u78ba\u5b9f\u306b\u9001\u4fe1\u3067\u304d\u308b\u70b9\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u7e3e\u304c\u3042\u308a\u4fe1\u983c\u3067\u304d\u308bSMTP\u30b5\u30fc\u30d0\u3092\u4e2d\u7d99\u3059\u308b\u3053\u3068\u3067<strong>\u300c\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u300d\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u3092\u3055\u308c\u3066\u3057\u307e\u3046\u300d<\/strong>\u306a\u3069\u306e\u30ea\u30b9\u30af\u3092\u907f\u3051\u3064\u3064\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b5\u30fc\u30d3\u30b9\u306e\u30b9\u30da\u30c3\u30af\u306a\u3069\u306b\u3082\u3088\u308a\u307e\u3059\u304c\u3001\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u4e00\u6589\u9001\u4fe1\u3059\u308b\u3053\u3068\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u4ed6\u3001SMTP\u30ea\u30ec\u30fc\u306e\u30e1\u30ea\u30c3\u30c8\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/blastengine.jp\/blog_content\/smtp-relay\/\" target=\"_blank\" rel=\"noopener\" title=\"\">SMTP\u30ea\u30ec\u30fc\u3068\u306f\uff1f\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306e\u4ed5\u7d44\u307f\u3068\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u8aac<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u80cc\u666f<\/h3>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u306f\u3001\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u306e\u62e1\u6563\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u6570\u306b\u5236\u9650\u3092\u8a2d\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\">SMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u30e1\u30fc\u30eb\u306e\u5927\u91cf\u914d\u4fe1\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3057\u3001\u3088\u308a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6027\u306e\u9ad8\u3044\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/span><\/strong><\/p>\n\n\n\n<p>\u307e\u305f\u3001SMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u4f01\u696d\u306f\u81ea\u793e\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u624b\u9593\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u8005\u304c\u30b5\u30fc\u30d0\u30fc\u306e\u7dad\u6301\u7ba1\u7406\u3092\u884c\u3046\u305f\u3081\u3001\u4f01\u696d\u306f\u4ed6\u306e\u91cd\u8981\u306a\u696d\u52d9\u306b\u30ea\u30bd\u30fc\u30b9\u3092\u96c6\u4e2d\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001SMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u73fe\u4ee3\u306e\u30d3\u30b8\u30cd\u30b9\u74b0\u5883\u306b\u304a\u3051\u308b\u591a\u69d8\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u30cb\u30fc\u30ba\u306b\u5fdc\u3048\u3001\u52b9\u7387\u7684\u304b\u3064\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SMTP\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u300c\u30d6\u30e9\u30b9\u30c8\u30a8\u30f3\u30b8\u30f3(blastengine)\u300d\u306e\u6d3b\u7528<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2023\/11\/Screenshot-7.png\" alt=\"blastengine\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" class=\"wp-image-13917\"\/><\/figure>\n<\/div>\n\n\n<p>SMTP\u30ea\u30ec\u30fc\u3067\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u884c\u3046\u5834\u5408\u306f\u300c<a href=\"https:\/\/blastengine.jp\/\" target=\"_blank\" rel=\"noopener\" 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