{"id":970,"date":"2021-10-29T16:24:43","date_gmt":"2021-10-29T07:24:43","guid":{"rendered":"https:\/\/bmb.jp\/maildeliver\/?p=970"},"modified":"2026-04-20T12:49:21","modified_gmt":"2026-04-20T03:49:21","slug":"secure","status":"publish","type":"post","link":"https:\/\/bmb.jp\/maildeliver\/secure","title":{"rendered":"\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u5b8c\u74a7\uff1f\u60c5\u5831\u6f0f\u6d29\u3092\u9632\u3050\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2021\/10\/secure-2.png\" alt=\"\" width=\"900\" height=\"510\" class=\"alignnone size-full wp-image-974\" srcset=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2021\/10\/secure-2.png 900w, https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2021\/10\/secure-2-300x170.png 300w, 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href=\"https:\/\/www.onebe.co.jp\/dlpnews\/archives\/1939660.html\">\u60c5\u5831\u6f0f\u3048\u3044\u30cb\u30e5\u30fc\u30b9<\/a><\/p>\n<p>\u3053\u306e\u30b1\u30fc\u30b9\u306f\u9001\u4fe1\u8005\u5074\u306e\u8a2d\u5b9a\u30df\u30b9\u306b\u3088\u308b\u60c5\u5831\u6f0f\u6d29\u306a\u306e\u3067\u3001<strong>\u5185\u90e8\u8981\u56e0<\/strong>\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u306f\u3053\u306e\u3088\u3046\u306a\u8aa4\u9001\u4fe1\u306f\u3001\u696d\u7a2e\u3084\u4f01\u696d\u306e\u898f\u6a21\u3092\u554f\u308f\u305a\u6bce\u5e74\u767a\u751f\u3057\u3066\u304a\u308a\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u91d1\u92ad\u7684\u306a\u88dc\u511f\u3092\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u304b\u3063\u305f\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u8aa4\u9001\u4fe1\u306f\u3001BCC\u3084TO\u306a\u3069\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u8a2d\u5b9a\u3092\u624b\u52d5\u3067\u884c\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u74b0\u5883\u3067\u591a\u767a\u3059\u308b\u305f\u3081\u3001\u4e00\u6589\u9001\u4fe1\u3092\u3059\u308b\u4f01\u696d\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5bfe\u7b56\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306a\u3069\u3001\u81ea\u52d5\u3067BCC\u306b\u8a2d\u5b9a\u3055\u308c\u308b\u30c4\u30fc\u30eb\u306e\u5c0e\u5165<\/li>\n<li>\u30c0\u30d6\u30eb\u30c1\u30a7\u30c3\u30af\u306e\u5fb9\u5e95<\/li>\n<\/ul>\n<p>\u9001\u4fe1\u524d\u306b\u5b9b\u5148\u3084\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u306e\u30c0\u30d6\u30eb\u30c1\u30a7\u30c3\u30af\u3092\u5fb9\u5e95\u3059\u308b\u3053\u3068\u306f\u5927\u4e8b\u3067\u3059\u304c\u3001<strong>\u7d50\u5c40\u306f\u4eba\u306e\u610f\u8b58\u306b\u983c\u3063\u305f\u65b9\u6cd5<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u5f62\u9ab8\u5316\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3084\u3001\u7701\u7565\u3055\u308c\u3066\u3057\u307e\u3046\u30b1\u30fc\u30b9\u3082\u591a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u8aa4\u9001\u4fe1\u306b\u95a2\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u6700\u3082\u6709\u52b9\u306a\u306e\u304c<strong>\u300c\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u300d<\/strong>\u306e\u5229\u7528\u3067\u3059\u3002<\/p>\n<p>\u8a73\u3057\u304f\u306f\u5f8c\u8ff0\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3057\u3066\u884c\u3046\u4e00\u6589\u9001\u4fe1\u306f\u3001\u81ea\u52d5\u7684\u306b\u30a2\u30c9\u30ec\u30b9\u304cBCC\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30c0\u30d6\u30eb\u30c1\u30a7\u30c3\u30af\u306e\u3088\u3046\u306b\u3001\u8aa4\u9001\u4fe1\u3092\u9632\u3050\u30eb\u30fc\u30eb\u3092\u5fb9\u5e95\u3059\u308b\u3053\u3068\u306f\u5927\u5207\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082<strong>\u8aa4\u9001\u4fe1\u3092\u3057\u306a\u3044\u3088\u3046\u306a\u4ed5\u7d44\u307f\u4f5c\u308a<\/strong>\u3092\u3059\u308b\u3053\u3068\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u306e\u9375\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>\u2461 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href=\"https:\/\/www.ppc.go.jp\/news\/careful_information\/impersonation\/\">PPC\u500b\u4eba\u60c5\u5831\u4fdd\u8b77\u59d4\u54e1\u4f1a<\/a>\u300d\u306e\u8abf\u67fb\u306b\u3088\u308b\u3068\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u88ab\u5bb3\u306f\u4ee4\u548c2\u5e74\u5ea6\u6642\u70b9\u3067\u3082\u5897\u52a0\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u30012021\u5e7410\u6708\u73fe\u5728\u3067\u306f\u5927\u624b\u643a\u5e2f\u30ad\u30e3\u30ea\u30a2\u306e\u300cau\u300d\u3092\u8a9e\u3063\u305f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.dekyo.or.jp\/soudan\/contents\/news\/alert.html#m1006-8\">\u8ff7\u60d1\u30e1\u30fc\u30eb\u76f8\u8ac7\u30bb\u30f3\u30bf\u30fc au\u306b\u306a\u308a\u3059\u307e\u3057\u305f\u507d\u30e1\u30fc\u30eb<\/a><\/p>\n<p>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306f\u3001<strong>\u30e1\u30fc\u30eb\u306e\u30d8\u30c3\u30c0\u90e8\u5206\u3092\u507d\u88c5\u3059\u308b<\/strong>\u3053\u3068\u3067\u9001\u4fe1\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001\u81ea\u793e\u304c\u5229\u7528\u3057\u3066\u3044\u308b\u30e1\u30fc\u30e9\u30fc\u3084\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u3078\u306e\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u306a\u3069\u304c\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2021\/10\/secure-1-1024x472.png\" alt=\"\" width=\"1024\" height=\"472\" class=\"alignnone size-large wp-image-973\" srcset=\"https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2021\/10\/secure-1-1024x472.png 1024w, https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2021\/10\/secure-1-300x138.png 300w, https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2021\/10\/secure-1-768x354.png 768w, https:\/\/bmb.jp\/maildeliver\/wp-content\/uploads\/2021\/10\/secure-1.png 1105w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>Gmail\u3067\u306f\u3001\u4e0a\u8a18\u306e\u753b\u50cf\u306e\u3088\u3046\u306b<from>\u3084\u9001\u4fe1\u5143\u306e\u540d\u524d\u306a\u3069\u3092\u8a18\u8f09\u3057\u3066\u3044\u308b\u90e8\u5206\u304c\u30d8\u30c3\u30c0\u306b\u306a\u308a\u307e\u3059\u3002<\/from><\/p>\n<p>\u8fd1\u5e74\u3001\u30ad\u30e3\u30ea\u30a2\u3084Gmail\u306a\u3069\u306e\u3088\u3046\u306b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u4f01\u696d\u3067\u306f\u3001<strong>SPF\u30fbDKIM\u30fbDMARK<\/strong>\u3068\u547c\u3070\u308c\u308b\u306a\u308a\u3059\u307e\u3057\u306a\u3069\u306e\u30c9\u30e1\u30a4\u30f3\u8a50\u79f0\u5bfe\u7b56\u3092\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u884c\u3044\u3001\u5916\u90e8\u8981\u56e0\u306b\u5bfe\u3057\u3066\u306e\u6e96\u5099\u3082\u6020\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u5185\u90e8\u8981\u56e0\u3078\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/h2>\n<p>\u8aa4\u9001\u4fe1\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u5185\u90e8\u8981\u56e0\u306f\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306e\u5229\u7528\u3067\u5bfe\u7b56\u3067\u304d\u308b\u3082\u306e\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u3068\u306f\u3001\u4e00\u6589\u9001\u4fe1\u306b\u4fbf\u5229\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30bd\u30d5\u30c8\u3067\u3001\u5185\u90e8\u8981\u56e0\u3078\u306e\u5bfe\u7b56\u3068\u3057\u3066<strong>\u9001\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u3092\u81ea\u52d5\u3067BCC\u306b\u8a2d\u5b9a<\/strong>\u3057\u3066\u304f\u308c\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u4e2d\u3067\u3082\u4e00\u6589\u9001\u4fe1\u3092\u3059\u308b\u696d\u52d9\u304c\u3042\u308b\u4f01\u696d\u3067\u306f\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3057\u8aa4\u9001\u4fe1\u5bfe\u7b56\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306f\u3001\u81ea\u793e\u3067\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u30fb\u7ba1\u7406\u3059\u308b\u300c\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u578b\u300d\u3068\u3001\u4f01\u696d\u304c\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3057\u3066\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u3059\u308b\u300c\u30af\u30e9\u30a6\u30c9\u578b\u300d\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u578b\u3068\u30af\u30e9\u30a6\u30c9\u578b\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/bmb.jp\/maildeliver\/magazine-method\">\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u65b9\u6cd5\u306e\u7279\u5fb4\u3084\u9078\u3073\u65b9\u307e\u3068\u3081\u3002\u96c6\u5ba2\u52b9\u679c\u3092\u30a2\u30c3\u30d7\u3055\u305b\u308b3\u3064\u306e\u65b9\u6cd5\u3082\u89e3\u8aac\u3057\u307e\u3059\u3002<\/a><\/p>\n<p>\u904b\u7528\u30b3\u30b9\u30c8\u304c\u4f4e\u304f\u3001\u624b\u8efd\u306b\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u30af\u30e9\u30a6\u30c9\u578b\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u304c\u3001<strong>\u30d1\u30b9\u30ef\u30fc\u30c9\u3084ID\u304c\u5206\u304b\u308c\u3070\u8ab0\u3067\u3082\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/strong>\u3068\u3044\u3046\u6ce8\u610f\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u904e\u53bb\u306b\u306f<strong>\u793e\u5916\u3067\u30e1\u30fc\u30eb\u914d\u4fe1\u696d\u52d9\u3092\u884c\u3063\u305f\u969b\u306bID\u3092\u76d7\u307f\u898b\u3089\u308c<\/strong>\u3001\u60c5\u5831\u6f0f\u6d29\u304c\u767a\u751f\u3057\u305f\u4e8b\u4f8b\u3082\u3042\u308b\u304f\u3089\u3044\u306a\u306e\u3067\u3001\u793e\u5916\u3067\u306f\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u74b0\u5883\u3065\u304f\u308a\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u500b\u4eba\u60c5\u5831\u306e\u6d41\u51fa\u306f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3060\u3051\u3067\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8aa4\u9001\u4fe1\u306a\u3069\u3067\u3082\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u6dfb\u4ed8\u3057\u305f\u30e1\u30fc\u30eb\u3092\u914d\u4fe1\u3059\u308b\u5834\u5408\u306f\u3001\u6697\u53f7\u5316\u3057\u305f\u3082\u306e\u3092\u6dfb\u4ed8\u3059\u308b\u306a\u3069\u306e\u30eb\u30fc\u30eb\u3092\u5fb9\u5e95\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u5916\u90e8\u8981\u56e0\u3078\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/h2>\n<p>\u5916\u90e8\u8981\u56e0\u3078\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u307e\u305a\u521d\u3081\u306b\u78ba\u8a8d\u3057\u3066\u3044\u305f\u3060\u304d\u305f\u3044\u306e\u304c\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e1\u30fc\u30e9\u30fc\u3084\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30fbID\u306e\u78ba\u8a8d\u3067\u3059\u3002<\/p>\n<p>\u3059\u3067\u306b\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3057\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u884c\u306a\u3063\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3084ID\u304c\u7c21\u5358\u3060\u3068\u5916\u90e8\u304b\u3089\u30cf\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3055\u308c\u306b\u304f\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u7279\u5fb4\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u3001\u6570\u5b57\u3092\u7d44\u307f\u5408\u308f\u305b\u308b<\/li>\n<li>\u540d\u524d\u3084\u8a95\u751f\u65e5\u306a\u3069\u3092\u4f7f\u308f\u306a\u3044<\/li>\n<li>\u5730\u540d\u3084\u56fa\u6709\u540d\u8a5e\u3092\u5229\u7528\u3057\u306a\u3044<\/li>\n<\/ul>\n<p>\u6570\u5b57\u306e\u307f\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3084\u300cabc123\u300d\u306e\u3088\u3046\u306a\u3001\u5358\u7d14\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u5834\u5408\u3001<strong>\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u30a2\u30bf\u30c3\u30af\uff08\u7dcf\u5f53\u305f\u308a\u653b\u6483\uff09<\/strong>\u306b\u3088\u3063\u3066\u3042\u3063\u3068\u3044\u3046\u9593\u306b\u7834\u3089\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u4f7f\u7528\u3059\u308b\u6587\u5b57\u306e\u7a2e\u985e<\/td>\n<td>\u4f7f\u7528\u3067\u304d\u308b\u6587\u5b57\u6570<\/td>\n<td>4\u6841<\/td>\n<td>6\u6841<\/td>\n<td>10\u6841<\/td>\n<\/tr>\n<tr>\n<td>\u82f1\u5b57\uff08\u5927\u6587\u5b57\u5c0f\u6587\u5b57\u306e\u533a\u5225\u306a\u3057\uff09<\/td>\n<td>26<\/td>\n<td>3\u79d2<\/td>\n<td>37\u5206<\/td>\n<td>17\u65e5<\/td>\n<\/tr>\n<tr>\n<td>\u82f1\u5b57\uff08\u5927\u6587\u5b57\u5c0f\u6587\u5b57\u306e\u533a\u5225\u3042\u308a\uff09\uff0b\u6570\u5b57<\/td>\n<td>62<\/td>\n<td>2\u5206<\/td>\n<td>5\u65e5<\/td>\n<td>50\u5e74<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e0a\u8a18\u306e\u8868\u306f\u3001\u6587\u5b57\u6570\u3068\u6587\u5b57\u306e\u7a2e\u985e\u3001\u6841\u6570\u3092\u6307\u5b9a\u3057\u3001\u6700\u5927\u4f55\u5206\u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u7a81\u7834\u3055\u308c\u308b\u304b\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u305f\u8868\u3067\u3059\u3002<\/p>\n<p>\u9a5a\u304f\u3053\u3068\u306b\u3001\u6570\u5b57\u306e\u307f\u30674\u6841\u306e\u6570\u5b57\u3092\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u305f\u5834\u5408\u3001<strong>3\u79d2\u3042\u308c\u3070\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u7a81\u7834\u3055\u308c\u3066\u3057\u307e\u3046<\/strong>\u306e\u3067\u3059\u3002<\/p>\n<p>\u5229\u7528\u3057\u3066\u3044\u308b\u30e1\u30fc\u30e9\u30fc\u3084\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u304c\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3092\u3055\u308c\u308b\u3068\u3001\u7ba1\u7406\u3057\u3066\u3044\u308b\u9867\u5ba2\u60c5\u5831\u304c\u6d41\u51fa\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u60aa\u306e\u4e8b\u614b\u306b\u5099\u3048\u3001\u89e3\u8aac\u3057\u305f\u3088\u3046\u306a\u5f37\u56fa\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u5916\u90e8\u8981\u56e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306b\u306f\u3001\u81ea\u793e\u3067\u5229\u7528\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u5a92\u4f53\u306bSPF\u30fbDKIM\u30fbDMARK\u306a\u3069\u306e\u8a8d\u8a3c\u30b7\u30b9\u30c6\u30e0\u3092\u63a1\u7528\u3059\u308b\u3068\u3044\u3046\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Gmail\u3084Outlook\u3067\u306fSPF\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001<strong>DKIM\u3084DMARK\u306f\u500b\u5225\u306b\u8a2d\u5b9a\u3092\u3059\u308b\u5fc5\u8981<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306e\u4e2d\u306b\u306f\u3001DKIM\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u304c\u4e0d\u5341\u5206\u306a\u3082\u306e\u3082\u3042\u308b\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4e00\u6982\u306b\u8a00\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001<strong>\u7121\u6599\u3067\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30bd\u30d5\u30c8\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u8106\u5f31<\/strong>\u306a\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3044\u304f\u3089\u30b3\u30b9\u30c8\u3092\u6291\u3089\u308c\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u8106\u5f31\u306a\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3057\u30e1\u30fc\u30eb\u914d\u4fe1\u696d\u52d9\u3092\u884c\u3046\u306e\u306f\u30ea\u30b9\u30af\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u3068\u3057\u3066\u306f\u304a\u52e7\u3081\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3059\u308b\u969b\u306f\u3001\u30b3\u30b9\u30c8\u3060\u3051\u3067\u306a\u304f\u3001\u6a5f\u80fd\u306b\u3064\u3044\u3066\u3082\u7cbe\u67fb\u3059\u308b\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5f37\u56fa\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8<\/h2>\n<p>\u3053\u3053\u307e\u3067\u306e\u89e3\u8aac\u306e\u901a\u308a\u3001Gmail\u306a\u3069\u306e\u7121\u6599\u306e\u30e1\u30fc\u30e9\u30fc\u3092\u5229\u7528\u3059\u308b\u3088\u308a\u3082\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u3092\u5229\u7528\u3057\u305f\u65b9\u304c\u5185\u90e8\u30fb\u5916\u90e8\u8981\u56e0\u3069\u3061\u3089\u306b\u5bfe\u3057\u3066\u3082\u3001\u52b9\u679c\u7684\u306a\u5bfe\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u6ce8\u610f\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u306f\u3001\u5148\u8ff0\u306e\u901a\u308a<strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306e\u4e2d\u306b\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u304c\u4e0d\u5341\u5206\u306a\u30b5\u30fc\u30d3\u30b9\u3082\u3042\u308b<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n<p>SPF\u3084DKIM\u306a\u3069\u306e\u9001\u4fe1\u5143\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u8a8d\u8a3c\u3059\u308b\u6a5f\u80fd\u304c\u306a\u3044\u3068\u3001\u306a\u308a\u3059\u307e\u3057\u306e\u9632\u6b62\u304c\u3067\u304d\u306a\u3044\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u304c\u4e0b\u304c\u308b<\/strong>\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7121\u6599\u3067\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306a\u3069\u306f\u3001\u81ea\u52d5\u3067BCC\u306b\u8a2d\u5b9a\u3059\u308b\u6a5f\u80fd\u3053\u305d\u3042\u308b\u3082\u306e\u306e\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3057\u3066\u306f\u7269\u8db3\u308a\u306a\u3044\u3082\u306e\u304c\u591a\u304f\u3001\u5229\u7528\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5f37\u56fa\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308b\u306e\u3067\u3001\u30bd\u30d5\u30c8\u3092\u9078\u3076\u969b\u306f\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>SPF\u3084DKIM\u306a\u3069\u306e\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u6280\u8853\u3092\u63a1\u7528\u3057\u3066\u3044\u308b<\/li>\n<li>\u9001\u4fe1\u30e1\u30fc\u30eb\u3092\u6697\u53f7\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/li>\n<li>\u653f\u5e9c\u6a5f\u95a2\u3084\u5927\u4f01\u696d\u304c\u5229\u7528\u3057\u3066\u3044\u308b<\/li>\n<li>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u30de\u30fc\u30af\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b<\/li>\n<\/ul>\n<p>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u30de\u30fc\u30af\u3068\u306f\u300c<a href=\"https:\/\/privacymark.jp\/system\/about\/outline_and_purpose.html\">\u4e00\u822c\u8ca1\u56e3\u6cd5\u4eba \u65e5\u672c\u60c5\u5831\u7d4c\u6e08\u793e\u4f1a\u63a8\u9032\u5354\u4f1a<\/a>\u300d\u304c\u5b9a\u3081\u305f\u65e5\u672c\u7523\u696d\u898f\u683c\u306b\u57fa\u3065\u304d\u3001\u500b\u4eba\u60c5\u5831\u306b\u3064\u3044\u3066\u9069\u5207\u306a\u4fdd\u8b77\u63aa\u7f6e\u3092\u3057\u3066\u3044\u308b\u4e8b\u696d\u8005\u306b\u4e0e\u3048\u3089\u308c\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u30de\u30fc\u30af\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/blastmail.jp\/\">\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb<\/a><\/li>\n<li><a href=\"https:\/\/willcloud.jp\/\">WILL Mail<\/a><\/li>\n<li><a 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