{"id":11825,"date":"2020-09-21T10:11:56","date_gmt":"2020-09-21T01:11:56","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=11825"},"modified":"2023-05-28T08:20:44","modified_gmt":"2023-05-27T23:20:44","slug":"%e3%80%90%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e3%80%91%e3%80%8c%e3%83%a1%e3%83%bc%e3%83%ab%e3%82%b5%e3%83%bc%e3%83%90%e3%80%8d%e3%81%ae%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=11825","title":{"rendered":"\u3010\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3011\u300c\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u300d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56"},"content":{"rendered":"

\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0<\/h2>\n

POP<\/h3>\n

\u30b5\u30fc\u30d0\u30fc\u306b\u3042\u308b\u30e1\u30fc\u30eb\u3092PC\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u7aef\u672b\u3067\u7ba1\u7406\u3059\u308b\u4ed5\u7d44\u307f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u74b0\u5883\u304c\u306a\u304f\u3066\u3082\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

\u30e1\u30ea\u30c3\u30c8<\/h4>\n

\u30b5\u30fc\u30d0\u30fc\u306e\u500b\u5225\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u5bb9\u91cf\u306f\u4e0a\u9650\u304c\u3042\u308a\u307e\u3059\u304c\u3001POP\u3092\u4f7f\u3048\u3070\u500b\u3005\u306e\u7aef\u672b\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u304c\u8a31\u3059\u9650\u308a\u30e1\u30fc\u30eb\u306e\u4fdd\u5b58\u304c\u3067\u304d\u307e\u3059\u3002<\/strong><\/span><\/p>\n

\u30c7\u30e1\u30ea\u30c3\u30c8<\/h4>\n

\u8907\u6570\u53f0\u306ePC\u306e\u30e1\u30fc\u30eb\u5229\u7528\u306f\u3067\u304d\u306a\u3044\u3067\u3059\u3002\uff08\u4f7f\u3046\u7aef\u672b\u304c1\u53f0\u3068\u6c7a\u3081\u3066\u3044\u308b\u5834\u5408\u306f\u3053\u3061\u3089\u306b\u3057\u307e\u3059\u3002\uff09<\/p>\n

IMAP4<\/h3>\n

\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u305b\u305a\u306b\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u30e1\u30fc\u30eb\u3092\u7ba1\u7406\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n

\u30e1\u30ea\u30c3\u30c8<\/h4>\n

\u30b5\u30fc\u30d0\u30fc\u4e0a\u306b\u30e1\u30fc\u30eb\u304c\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u8907\u6570\u53f0\u7aef\u672b\u306e\u5229\u7528\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u958b\u5c01\u72b6\u614b\u3082\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u30c7\u30e1\u30ea\u30c3\u30c8<\/h4>\n

\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u5bb9\u91cf\u304c\u9650\u754c\u306b\u9054\u3057\u305f\u3089\u4e0d\u8981\u306a\u30e1\u30fc\u30eb\u3092\u524a\u9664\u3057\u306a\u3051\u308c\u3070\u30e1\u30fc\u30eb\u3092\u95b2\u89a7\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

 <\/p>\n

OP25B(Outbound Port25 Blocking)\uff1a\u9001\u4fe1\u5074\u5bfe\u7b56<\/h3>\n

ISP\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u3092\u7d4c\u7531\u305b\u305a\u306b\u76f4\u63a5\u5916\u90e8\u306e\u9001\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304b\u3089\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3088\u3046\u3068\u3057\u305f\u969b\u306b\u30d1\u30b1\u30c3\u30c8\u3092\u906e\u65ad\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u305f\u3060\u3042\u304f\u307e\u306725\u756a\u30dd\u30fc\u30c8\u3092\u4f7f\u3063\u3066\u3044\u308b\u30e1\u30fc\u30eb\u306e\u307f\u304c\u5bfe\u8c61\u306a\u3060\u3051\u3067Gmail\u3084yahoo\u30e1\u30fc\u30eb\u306e\u3088\u3046\u306bWeb\u30e1\u30fc\u30eb\u306f25\u756a\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u9632\u3052\u307e\u305b\u3093\u3002<\/p>\n

SPF(Sender Policy Framework\uff1a\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c)\uff1a\u9001\u53d7\u4fe1\u306e\u5bfe\u7b56<\/h3>\n

\u53d7\u4fe1\u3057\u305f\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u304c\u9001\u4fe1\u5074\u30c9\u30e1\u30a4\u30f3\u306e\u7ba1\u7406\u8005\u304c\u8a2d\u5b9a\u3057\u305f\u3082\u306e\u3068\u4e00\u81f4\u3059\u308b\u304b\u3069\u3046\u304b\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u884c\u3046\u6280\u8853<\/strong><\/span>\u3067\u3059\u3002\u300c\u9001\u4fe1\u5143\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u306a\u308a\u3059\u307e\u3057\u300d<\/strong><\/span>\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u9001\u53d7\u4fe1\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304cSPF\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u304c2016\u5e74\u6642\u70b9\u3067\u306f93.4\uff05\u3082\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n

\u4e8b\u524d\u306b\u9001\u4fe1\u5074\u3067\u30c9\u30e1\u30a4\u30f3\u60c5\u5831\u3092DNS\u306b\u767b\u9332\u3057\u3066\u304a\u304f<\/h4>\n

\u9001\u4fe1\u5074\u306e\u7ba1\u7406\u8005\u306f\u3001\u6b63\u5f53\u306a\u9001\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u7b49\u3092DNS\u30b5\u30fc\u30d0\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306b\u767b\u9332\u30fb\u516c\u958b\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u53d7\u4fe1\u5074\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306f\u9001\u4fe1\u5143\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u7ba1\u7406\u3059\u308bDNS\u3078\u306e\u554f\u5408\u305b\u3092\u901a\u3058\u3066\u305d\u308c\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u30d8\u30c3\u30c0\u306e\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u304c\u6b63\u5f53\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n

\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/h2>\n

PGP(Pretty Good Privacy)<\/h3>\n

\u516c\u958b\u9375\u6697\u53f7\u65b9\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30fc\u30eb\u901a\u4fe1\u306e\u5f53\u4e8b\u8005\u9593\u3067\u30e1\u30fc\u30eb\u306e\u300c\u6697\u53f7\u5316\u300d\u3001\u300c\u8a8d\u8a3c\u300d\u3001\u300c\u6539\u7ac4\u691c\u77e5\u300d\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n

S\/MIME<\/h3>\n

\u96fb\u5b50\u8a3c\u660e\u66f8\u3092\u7528\u3044\u3066\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u3068\u30e1\u30fc\u30eb\u3078\u96fb\u5b50\u7f72\u540d\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002S\/MIME\u3092\u884c\u3046\u306b\u306f\u9001\u4fe1\u5074\u3068\u53d7\u4fe1\u5074\u306e\u4e21\u65b9\u3067S\/MIME\u306b\u5bfe\u5fdc\u3057\u3066\u30e1\u30fc\u30e9\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Outlook\u3084IPhone\u7b49\u3067\u306fS\/MIME\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u6697\u53f7\u5316\u65b9\u5f0f<\/h4>\n

S\/MIME\u3067\u306f<\/span>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c8\u6697\u53f7\u65b9\u5f0f<\/strong><\/span>\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6697\u53f7\u5316\u901a\u4fe1\u81ea\u4f53\u306f\u5171\u901a\u9375\u6697\u53f7\u65b9\u5f0f\u3067\u884c\u3044\u3001\u6697\u53f7\u5316\u901a\u4fe1\u306b\u4f7f\u7528\u3059\u308b\u5171\u901a\u9375\u3092\u516c\u958b\u6697\u53f7\u65b9\u5f0f\u3067\u6697\u53f7\u5316\u3057\u3066\u5bfe\u5fdc\u3059\u308b\u3001\u4e21\u65b9\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0 POP \u30b5\u30fc\u30d0\u30fc\u306b\u3042\u308b\u30e1\u30fc\u30eb\u3092PC\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u7aef\u672b\u3067\u7ba1\u7406\u3059\u308b\u4ed5\u7d44\u307f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u74b0\u5883\u304c\u306a\u304f\u3066\u3082\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002 \u30e1\u30ea\u30c3\u30c8 \u30b5\u30fc\u30d0\u30fc\u306e\u500b\u5225\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u5bb9\u91cf\u306f\u4e0a\u9650\u304c\u3042\u308a\u307e\u3059\u304c\u3001POP\u3092\u4f7f\u3048\u3070 […]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/11825"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11825"}],"version-history":[{"count":6,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/11825\/revisions"}],"predecessor-version":[{"id":20731,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/11825\/revisions\/20731"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11825"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}