SMTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/a><\/p>\n\u30fbPOP3\u3068IMAP\u306b\u3064\u3044\u3066\u3002
\n\u7c21\u5358\u306b\u3044\u3046\u3068\u3001POP3\u306f\u30e1\u30fc\u30eb\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3002IMAP\u306f\u30b5\u30fc\u30d0\u4e0a\u306b\u5b58\u5728\u3059\u308b\u30e1\u30fc\u30eb\u3092\u307f\u308b\u3002
\n\u305d\u306e\u305f\u3081\u3001IMAP\u3092\u5229\u7528\u3057\u3066\u3044\u308c\u3070\u3001\u81ea\u5b85\u306ePC\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306a\u3069\u3069\u3053\u304b\u3089\u3067\u3082\u30e1\u30fc\u30eb\u3092\u78ba\u8a8d\u3067\u304d\u308b\u306e\u3067\u3001\u4eca\u306e\u6642\u4ee3\u306fIMAP\u63a8\u5968\u3002
\n\u3061\u306a\u307f\u306b\u3001POP3\u30b5\u30fc\u30d0\u306fBSDqpopper\u63a8\u5968\u3002
\nIMAP\u30b5\u30fc\u30d0\u306fdovecop\u63a8\u5968\u3002<\/p>\n
\u2461\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306e\u73fe\u5b9f\u7684\u306a\u904b\u7528\u3001\u7ba1\u7406\u65b9\u6cd5\u306b\u3064\u3044\u3066<\/h2>\n
\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u904b\u7528\u3059\u308b\u3046\u3048\u3067\u4e3b\u6d41\u306e\u6280\u8853\u3001\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n
\u25cfSPAM\u9632\u6b62\u5bfe\u7b56<\/h3>\n
\u30fbport25blocking
\n\u30b9\u30d1\u30e0\u5bfe\u7b56\u306e\u6280\u8853\u3068\u3057\u3066\u3001\u4f7f\u308f\u308c\u3066\u3044\u308b\u30e1\u30a4\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0\u3002
\n\uff1c\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u7ba1\u7406\u8005\u3068\u3057\u3066\uff1e
\n\u30fb\u52d5\u7684IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u5916\u5411\u304dPort25\u306e\u30d6\u30ed\u30c3\u30af
\n\u5927\u624bISP\u306f\u307b\u307c\u3053\u306e\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u308b\u3002<\/p>\n
\u30fbDNSBL<\/p>\n
\u30fb\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u5229\u7528
\nmirapoint\u304c\u3088\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n
\uff1c\u30e1\u30fc\u30eb\u53d7\u4fe1\u8005\u5074\u306e\u8a2d\u5b9a\uff1e<\/p>\n
\u30fb\u53d7\u4fe1\u5074\u3067\u30b9\u30d1\u30e0\u7528\u306e\u30d5\u30a9\u30eb\u30c0\u3092\u4f5c\u308b\u3002\u56fd\u5225\u3067\u30b9\u30d1\u30e0\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u3059\u308b\u306a\u3069\u3002<\/p>\n
\u30fbSaaS\u306e\u5229\u7528
\nTrendmicro\u3001Gmail\u306a\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3059\u308b\u3002\n<\/p>\n
\u25cf\u30ed\u30b0\u89e3\u6790\u306b\u3064\u3044\u3066<\/h3>\n
\u30e1\u30fc\u30eb\u306e\u30ed\u30b0\u306b\u3064\u3044\u3066\u306f\u3001\u30c4\u30fc\u30eb\u304c\u591a\u304f\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u30c4\u30fc\u30eb\u306e\u5229\u7528\u304c\u63a8\u5968\u3055\u308c\u308b\u3002
\n\u30fb\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30ed\u30b0\u89e3\u6790\u2192Swatch<\/p>\n
\u30fb\u5b9a\u671f\u7684\u306a\u30ed\u30b0\u89e3\u6790\u306fLogwatch<\/p>\n
\u30fb\u30b3\u30f3\u30d0\u30fc\u30bf
\napache\u306e\u30ed\u30b0\u5f62\u5f0f\u306b\u30b3\u30f3\u30d0\u30fc\u30c8\u3057\u3066\u3001apache\u306e\u30ed\u30b0\u89e3\u6790\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u3002\n<\/p>\n
\u6b21\u56de\u306b\u3064\u3044\u3066<\/h2>\n
\u6b21\u56de\u306f\u3001\u4ee5\u4e0b\u306e\u4e8c\u3064\u3092\u8003\u3048\u3066\u3044\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002\u8208\u5473\u3042\u308b\u4eba\u306f\u53c2\u52a0\u3057\u3066\u307f\u3066\u306f\u3002
\n\u30fb\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3
\n\u30fb\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\n<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\n\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u3064\u3044\u3066\u3001\u6d45\u304f\u5e83\u304f\u89e3\u8aac\u3057\u3066\u3044\u305f\u306e\u3067\u3001\u81ea\u5206\u306e\u6301\u3063\u3066\u3044\u308b\u60c5\u5831\u304c\u4f53\u7cfb\u7684\u306b\u6574\u7406\u3055\u308c\u3066\u3068\u3066\u3082\u6709\u610f\u7fa9\u3060\u3063\u305f\u3002
\n\u305f\u3060\u3001\u79c1\u500b\u4eba\u7684\u306b\u306f\u3001\u53ef\u7528\u6027\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u305f\u304b\u3063\u305f\u3002
\n\u30e1\u30fc\u30eb\u3063\u3066\u6b62\u307e\u308b\u3068\u4f01\u696d\u306b\u5927\u640d\u76ca\u3092\u4e0e\u3048\u308b\u304b\u3089\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u63d0\u4f9b\u3092\u69cb\u7bc9\u3059\u308b\u7acb\u5834\u3068\u3057\u3066\u3001\u53ef\u7528\u6027\u306e\u77e5\u8b58\u306f\u5fc5\u9808\u3060\u3068\u601d\u3046\u3002\u3053\u306e\u52c9\u5f37\u4f1a\u3001\u307e\u3060\u307e\u3060\u3001\u7d9a\u304f\u307f\u305f\u3044\u306a\u306e\u3067\u3001\u6b21\u56de\u306b\u671f\u5f85\u3002
\n\u306a\u304a\u3001\u52c9\u5f37\u4f1a\u3067\u5229\u7528\u3057\u305f\u8cc7\u6599\u306f\u3053\u3061\u3089\u3067\u3059\u3002
\nhttp:\/\/www.slideshare.net\/ar_maniacs\/mailerstudy<\/p>\n","protected":false},"excerpt":{"rendered":"
\uff11\uff10\u6708\uff11\u65e5\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u52c9\u5f37\u4f1a\u306b\u3044\u3063\u3066\u304d\u305f\u3002\u305d\u306e\u52c9\u5f37\u4f1a\u306b\u3064\u3044\u3066\u5b66\u3093\u3060\u3053\u3068\u3092\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u30d9\u30fc\u30b9\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002 \u25cf\u79c1\u304c\u3053\u306e\u52c9\u5f37\u4f1a\u306b\u53c2\u52a0\u3057\u305f\u76ee\u7684 \u30fb\u4f1a\u793e\u306e\u696d\u52d9\u3067\u4f7f\u3046\u305f\u3081\u3002 \u79c1\u304c\u6240\u5c5e\u3059\u308b\u90e8\u7f72\u306f\u30a4\u30f3\u30d5\u30e9\u3092\u69cb\u7bc9\u3059\u308b\u90e8\u968a\u306e\u305f\u3081\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u305d\u3053\u3067\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u3064\u3044\u3066\u3001\u307e\u305a\u306f\u3001\u6982\u8981\u3092\u5b66\u3073\u305f\u3044\u3068\u8003\u3048\u305f\u3002 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\u30fb\u30e1\u30fc\u30eb\u3092\u914d\u9001\u3059\u308b\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066 \u30e1\u30fc\u30eb\u914d\u4fe1\u306fDNS\u30b5\u30fc\u30d0\u3068\u9023\u643a\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3002 \u30fbMTA\uff08postfix\u304c\u5927\u591a\u6570\uff09 qmail\u304c\uff11\uff10\u5e74\u524d\u304b\u3089\u958b\u767a\u304c\u6b62\u307e\u3063\u3066\u3044\u308b\u3089\u3057\u304f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u6a5f\u80fd\u6027\u3068\u3082\u306b\u3001\u4f7f\u3048\u306a\u3044\u3002\u3002 \u30fbMUA\uff08\u591a\u6570\u304c\u30d9\u30c3\u30ad\u30fc\uff09\u2192\u30c7\u30fc\u30bf\u306e\u79fb\u884c\u304c\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc\u3060\u3051\u3067\u3067\u304d\u308b\u3002 \u30fb\u30e1\u30fc\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u3064\u3044\u3066\uff08\u30d8\u30c3\u30c0\u3068\u672c\u6587\uff09 \u30fbSMTP\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u52d5\u304d\u306b\u3064\u3044\u3066\uff08\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306fHTTP\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3068\u7570\u306a\u308a\u6df7\u6c8c\u3068\u3057\u3066\u3044\u308b\u3002\uff09 \u2192\u79c1\u306fSMTP\u306b\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u304c\u3042\u308b\u3053\u3068\u3059\u3089\u3057\u3089\u306a\u304b\u3063\u305f\u3002\u4ee5\u4e0b\u306b\u8a73\u7d30\u3042\u308a\u307e\u3059\u3002 SMTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9 \u30fbPOP3\u3068IMAP\u306b\u3064\u3044\u3066\u3002 \u7c21\u5358\u306b\u3044\u3046\u3068\u3001POP3\u306f\u30e1\u30fc\u30eb\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3002IMAP\u306f\u30b5\u30fc\u30d0\u4e0a\u306b\u5b58\u5728\u3059\u308b\u30e1\u30fc\u30eb\u3092\u307f\u308b\u3002 \u305d\u306e\u305f\u3081\u3001IMAP\u3092\u5229\u7528\u3057\u3066\u3044\u308c\u3070\u3001\u81ea\u5b85\u306ePC\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306a\u3069\u3069\u3053\u304b\u3089\u3067\u3082\u30e1\u30fc\u30eb\u3092\u78ba\u8a8d\u3067\u304d\u308b\u306e\u3067\u3001\u4eca\u306e\u6642\u4ee3\u306fIMAP\u63a8\u5968\u3002 \u3061\u306a\u307f\u306b\u3001POP3\u30b5\u30fc\u30d0\u306fBSDqpopper\u63a8\u5968\u3002 IMAP\u30b5\u30fc\u30d0\u306fdovecop\u63a8\u5968\u3002 \u2461\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306e\u73fe\u5b9f\u7684\u306a\u904b\u7528\u3001\u7ba1\u7406\u65b9\u6cd5\u306b\u3064\u3044\u3066 \u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u904b\u7528\u3059\u308b\u3046\u3048\u3067\u4e3b\u6d41\u306e\u6280\u8853\u3001\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u8a18\u8f09\u3057\u307e\u3059\u3002 \u25cfSPAM\u9632\u6b62\u5bfe\u7b56 \u30fbport25blocking 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