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src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/1-1-1024x572.png\" alt=\"\" class=\"wp-image-6164\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/1-1-1024x572.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/1-1-300x168.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/1-1-768x429.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/1-1-360x200.png 360w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/1-1-150x84.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/1-1-250x140.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/1-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p 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class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"578\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/5-1-1024x578.png\" alt=\"\" class=\"wp-image-6168\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/5-1-1024x578.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/5-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/5-1-768x434.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/5-1-150x85.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/5-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/5-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\uff0c\u738b\u535a\u58eb\u6307\u51faDKIM\u4f5c\u4e3a\u4e00\u4e2a\u5df2\u7ecf\u88ab\u63d0\u51fa10\u591a\u5e74\u7684\u91cd\u8981\u7684\u90ae\u4ef6\u5b89\u5168\u534f\u8bae\uff0c\u5b66\u672f\u754c\u5374\u4e00\u76f4\u6ca1\u6709\u76f8\u5173\u7684\u6d4b\u91cf\u7814\u7a76\uff0cDKIM\u534f\u8bae\u7684\u90e8\u7f72\u73b0\u72b6\u548c\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u4e00\u76f4\u4e0d\u4e3a\u4eba\u77e5\u3002\u5728CCS2015\u3001USENIX2018\u7684\u4e24\u7bc7\u8bba\u6587\u4e2d\uff0c\u5bf9\u53e6\u4e24\u6b3e\u90ae\u4ef6\u5b89\u5168\u534f\u8bae\uff08SPF\u3001DMARC\uff09\u7684\u90e8\u7f72\u8fdb\u884c\u4e86\u5927\u89c4\u6a21\u7684\u6d4b\u91cf\uff0c\u4f46\u662f\u5374\u7f3a\u5c11DKIM\u7684\u76f8\u5173\u4fe1\u606f\u3002\u8fd9\u4e3b\u8981\u662f\u56e0\u4e3aDKIM\u7684\u534f\u8bae\u7279\u6027\u5bfc\u81f4\u5176\u5f88\u96be\u88ab\u5927\u89c4\u6a21\u6d4b\u91cf\u3002\u6280\u672f\u793e\u533a\u81f3\u4eca\u4e0d\u77e5\u9053\u5728\u73b0\u5b9e\u7f51\u7edc\u4e2dDKIM\u90e8\u7f72\u73b0\u72b6\u4ee5\u53caDKIM\u90e8\u7f72\u4e2d\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/6-1-1024x576.png\" alt=\"\" class=\"wp-image-6169\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/6-1-1024x576.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/6-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/6-1-768x432.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/6-1-150x84.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/6-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/6-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u83b7\u53d6DKIM\u4fe1\u606f\u4e3b\u8981\u6709\u4e24\u79cd\u9014\u5f84\uff0c\u4e00\u79cd\u662fDKIM Records\uff0c\u53e6\u4e00\u79cd\u662fDKIM Signatures\u3002DKIM 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src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/7-1-1024x576.png\" alt=\"\" class=\"wp-image-6170\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/7-1-1024x576.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/7-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/7-1-768x432.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/7-1-150x84.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/7-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/7-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u738b\u535a\u58eb\u6307\u51fa\u4ed6\u4eec\u7684\u7814\u7a76\u901a\u8fc7\u7ed3\u5408\u88ab\u52a8\u5206\u6790\u548c\u4e3b\u52a8\u626b\u63cf\u7684\u65b9\u6cd5\uff0c\u5bf9DKIM\u7684\u90e8\u7f72\u73b0\u72b6\u8fdb\u884c\u4e86\u9996\u6b21\u5927\u89c4\u6a21\u548c\u957f\u671f\u7684\u6d4b\u91cf\u7814\u7a76\u3002\u968f\u540e\uff0c\u738b\u535a\u58eb\u4ecb\u7ecd\u4e86\u4ed6\u4eec\u6574\u4e2a\u6570\u636e\u548c\u5206\u6790\u6d41\u7a0b\uff0c\u4e3b\u8981\u5206\u4e3a\u4e09\u4e2a\u90e8\u5206\uff0c\u5206\u522b\u662f\u6570\u636e\u6536\u96c6\u3001\u6570\u636e\u5904\u7406\u548c\u6570\u636e\u5206\u6790\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/8-1-1024x576.png\" alt=\"\" class=\"wp-image-6171\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/8-1-1024x576.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/8-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/8-1-768x432.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/8-1-150x84.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/8-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/8-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u738b\u535a\u58eb\u4ecb\u7ecd\u4e86\u6570\u636e\u6536\u96c6\u9636\u6bb5\u4e3b\u8981\u901a\u8fc7\u548c\u5de5\u4e1a\u754c\u7684\u5408\u4f5c\u4f19\u4f34\u5408\u4f5c\u83b7\u53d6\u4e86\u6d77\u91cf\u7684\u539f\u59cb\u6570\u636e\u3002\u4ecePassive DNS\u4e2d\u63d0\u53d6\u4e86\u8fd1\u4e94\u5e74\u7684DKIM 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http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/9-1-768x432.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/9-1-150x84.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/9-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/9-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u540e\uff0c\u4ed6\u4eec\u7ed3\u5408\u4e3b\u52a8\u626b\u63cf\u548c\u88ab\u52a8\u6536\u96c6\u5171\u540c\u83b7\u53d6\u5230\u7684DKIM\u6570\u636e\uff0c\u5bf9\u7ed3\u679c\u8fdb\u884c\u4e86\u56db\u4e2a\u7ef4\u5ea6\u7684\u5206\u6790\u3002\u5305\u62ec DKIM\u90e8\u7f72\u7387\u5206\u6790\u3001\u8bed\u6cd5\u5206\u6790\u3001\u5bc6\u94a5\u7ba1\u7406\u5206\u6790\u8fd8\u6709DKIM\u7b7e\u540d\u5b9e\u73b0\u7684\u5b89\u5168\u5206\u6790\u3002\u5728\u90e8\u7f72\u7387\u65b9\u9762\uff0c\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\u5728Alexa Top 1M\u57df\u540d\u4e2d\u6709\u63a5\u8fd130%\u7684\u57df\u540d\u90e8\u7f72\u4e86DKIM\u90e8\u7f72\u3002\u540c\u65f6\u4ed6\u4eec\u4e5f\u5bf9\u5168\u90e8\u7684DKIM\u8bb0\u5f55\u8fdb\u884c\u4e86\u8bed\u6cd5\u5206\u6790\uff0c\u53d1\u73b0\u5176\u4e2d\u67092.9%\u7684\u8bb0\u5f55\u5b58\u5728\u8bed\u6cd5\u9519\u8bef\u3002\u6b64\u5916\uff0cDKIM\u90e8\u7f72\u7387\u5728\u4e0d\u540c\u7684\u9876\u7ea7\u57df\u540d\u4e2d\u5dee\u5f02\u5f88\u5927\uff1a\u5728\u6d4b\u8bd5\u7684\u901a\u7528\u9876\u7ea7\u57df\u540d\uff08gTLDs\uff09\u4e2d\uff0c.edu\u57df\u540d\u90e8\u7f72\u7387\uff0871.3%\uff09\u6700\u9ad8\uff0c\u800c\u5728\u56fd\u5bb6\u4ee3\u7801\u9876\u7ea7\u57df\u540d\uff08ccTLDs\uff09\u4e2d\uff0c\u6700\u9ad8\u7684\u90e8\u7f72\u7387\uff0858.6%\uff09\u6765\u81ea.au\uff08\u6fb3\u5927\u5229\u4e9a\uff09\u57df\u540d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/10-1-1024x575.png\" alt=\"\" class=\"wp-image-6173\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/10-1-1024x575.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/10-1-300x168.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/10-1-768x431.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/10-1-150x84.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/10-1-250x140.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/10-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/11-1-1024x577.png\" alt=\"\" class=\"wp-image-6174\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/11-1-1024x577.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/11-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/11-1-768x433.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/11-1-150x85.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/11-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/11-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5bc6\u94a5\u7ba1\u7406\u65b9\u9762\uff0c\u738b\u535a\u58eb\u4ed6\u4eec\u53d1\u73b0DKIM\u7684\u5bc6\u94a5\u7ba1\u7406\u666e\u904d\u5b58\u5728\u5b89\u5168\u7f3a\u9677\uff0c\u5305\u62ec\u5171\u4eabDKIM\u5bc6\u94a5\uff0866.9%\uff09\u3001\u5f31DKIM\u5bc6\u94a5\uff0884%\uff09\u3001\u957f\u671f\uff08\u8d85\u8fc75\u5e74\uff09\u672a\u8f6e\u6362DKIM\u5bc6\u94a5\uff088.4%\uff09\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u662f\u5927\u91cf\u7684\u57df\u540d\u5b58\u5728\u5bc6\u94a5\u751f\u547d\u5468\u671f\u8fc7\u957f\u7684\u95ee\u9898\u3002DKIM\u7684RFC\u5efa\u8bae\u5e94\u8be5\u5b9a\u671f\u66f4\u6362DKIM\u5bc6\u94a5\u6765\u964d\u4f4e\u5bc6\u94a5\u6cc4\u6f0f\u7684\u98ce\u9669\u3002\u6709\u76f8\u5173\u7ec4\u7ec7\u5efa\u8bae\uff0cDKIM\u5bc6\u94a5\u5e94\u8be5\u4e00\u5e74\u8f6e\u63622\u6b21\u6765\u964d\u4f4e\u5b89\u5168\u98ce\u9669\u3002\u4f46\u662f\uff0c\u5f88\u5c11\u6709\u57df\u540d\u9075\u5b88\u8fd9\u4e00\u5b9e\u8df5\u3002\u4e0b\u56fe\u663e\u793a\u4e86\u5bf9\u4e8eAlexa top 100\u7684\u57df\u540d\u8fdb\u884c\u7684\u5206\u6790\uff0c\u9ec4\u8272\u4ee3\u8868\u77405\u5e74\u6ca1\u6709\u66f4\u6362\u7684\u5bc6\u94a5\uff0c\u7ed3\u679c\u53d1\u73b0\u5728Alexa Top 100\u57df\u540d\u4e2d\u670968.5%\u7684\u57df\u540d\u5b58\u5728\u8fc7\u53bb\u4e94\u5e74\u6ca1\u6709\u66f4\u65b0\u8fc7\u7684\u5bc6\u94a5\u7684\u60c5\u51b5\u3002\u6b64\u5916\uff0c\u4ed6\u4eec\u5728PassiveDNS\u6570\u636e\u4e2d\u8fd8\u53d1\u73b0\u67098%\u7684\u57df\u540d\u57285\u5e74\u5185\u6ca1\u6709\u66f4\u6362\u8fc7\u5b83\u7684\u5bc6\u94a5\u3002\u56e0\u4e3aPassiveDNS\u6570\u636e\u8bb0\u5f55\u7684\u65f6\u95f4\u5e76\u4e0d\u80fd\u5b8c\u5168\u4ee3\u8868DKIM key\u7684\u751f\u547d\u5468\u671f\uff0c\u53ea\u662f\u5bf9\u5e94\u751f\u547d\u5468\u671f\u7684\u4e00\u4e2a\u4e0b\u754c\uff0c\u6240\u4ee5\u5b9e\u9645\u60c5\u51b5\u53ef\u80fd\u4f1a\u66f4\u4e25\u91cd\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/13-1-1024x577.png\" alt=\"\" class=\"wp-image-6175\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/13-1-1024x577.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/13-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/13-1-768x433.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/13-1-150x85.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/13-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/13-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u6b21\u662f\u5f31\u5bc6\u94a5\u7684\u4f7f\u7528\uff0c\u65e9\u57282010\u5e74\u7f8e\u56fdNIST\u5c31\u5df2\u7ecf\u5efa\u8bae\u4e0d\u8981\u4efb\u4f55\u9700\u8981\u4f7f\u7528RSA\u52a0\u5bc6\u7684\u5730\u65b9\u4f7f\u7528\u5c0f\u4e8e\u7b49\u4e8e1024\u4f4d\u7684\u5bc6\u94a5\uff0c\u540c\u6837\u5728RFC8301\u4e2d\u660e\u786e\u8981\u6c42\u5efa\u8bae\u4f7f\u7528\u81f3\u5c11\u4e3a2048\u4f4d\u7684DKIM\u5bc6\u94a5\u3002\u4f46\u662f\u8fd9\u4e2a\u95ee\u9898\u81f3\u4eca\u4ecd\u7136\u6ca1\u6709\u5f97\u5230\u5f88\u597d\u7684\u89e3\u51b3\uff0c\u738b\u535a\u58eb\u7684\u7814\u7a76\u7ed3\u679c\u663e\u793a\u5728\u4ed6\u4eec\u7684\u6570\u636e\u96c6\u4e2d\u81f3\u4eca\u4f9d\u7136\u670984%\u7684\u57df\u540d\u4f7f\u7528\u5c0f\u4e8e\u7b49\u4e8e1024\u4f4d\u7684\u5bc6\u94a5\u3002\u4ed6\u4eec\u8fdb\u4e00\u6b65\u5206\u6790\u4e86\u6bcf\u5e74\u65b0\u589e\u52a0\u7684DKIM\u5bc6\u94a5\u7684\u957f\u5ea6\u3002\u53ef\u4ee5\u770b\u5230\uff0c1024\u6bd4\u7279\u7684DKIM\u5bc6\u94a5\u4ecd\u7136\u662f\u5f53\u524d\u5b9e\u8df5\u4e2d\u7684\u4e3b\u6d41\u3002\u957f\u5ea6\u4e0d\u8d85\u8fc7512\u6bd4\u7279\u7684\u5bc6\u94a5\u7684\u6bd4\u4f8b\u6b63\u5728\u4e0b\u964d\uff0c\u800c2048\u6bd4\u7279\u7684\u5bc6\u94a5\u7684\u6bd4\u4f8b\u6b63\u5728\u9010\u6b65\u4e0a\u5347\u3002\u7ed3\u679c\u8868\u660e\uff0c\u90ae\u4ef6\u7ba1\u7406\u5458\u5728\u66f4\u65b0DKIM\u914d\u7f6e\u65f6\u503e\u5411\u4e8e\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u5bc6\u94a5\uff0c\u4f46\u63a8\u8fdb\u8fc7\u7a0b\u975e\u5e38\u7f13\u6162\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/14-1-1024x576.png\" alt=\"\" class=\"wp-image-6176\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/14-1-1024x576.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/14-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/14-1-768x432.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/14-1-150x84.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/14-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/14-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e09\u4e2a\u662f\u5e7f\u6cdb\u5b58\u5728\u7684\u5171\u4eab\u5bc6\u94a5\u95ee\u9898\u3002\u5bf9Passive DNS\u7684\u6570\u636e\u7814\u7a76\u53d1\u73b0\uff0c\u5176\u4e2d\u5b58\u5728\u7740\u5927\u91cf\u76f8\u540c\u7684\u516c\u94a5\u8bb0\u5f55\u3002\u7814\u7a76\u901a\u8fc7\u6309DKIM\u5bc6\u94a5\uff08\u516c\u94a5\uff09\u5bf9\u57df\u540d\u8fdb\u884c\u805a\u7c7b\u53d1\u73b0\uff0c\u670961,062\u4e2aDKIM\u5bc6\u94a5\u88ab\u4e00\u4e2a\u4ee5\u4e0a\u7684\u57df\u5171\u4eab\uff0c\u672c\u9879\u7814\u7a76\u5171\u53d1\u73b02,427,682\u4e2a\uff0866.9%\uff09\u57df\u540d\u4f7f\u7528\u4e86\u5171\u4eabDKIM\u5bc6\u94a5\u3002\u4e0b\u8868\u663e\u793a\u4e86\u5171\u4eabDKIM\u5bc6\u94a5\u7684\u524d10\u4e2a\u57df\u540d\u7c07\u3002\u6392\u540d\u7b2c\u4e00\u7684DKIM\u5bc6\u94a5\u88ab\u8d85\u8fc7289120\u4e2a\u57df\u540d\u5171\u4eab\uff0c\u8be5\u5bc6\u94a5\u4e5f\u7528\u4e8e\u8c37\u6b4c\u7684\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/15-1-1024x576.png\" alt=\"\" class=\"wp-image-6177\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/15-1-1024x576.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/15-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/15-1-768x432.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/15-1-150x84.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/15-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/15-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728DKIM\u7684\u7b7e\u540d\u5b9e\u73b0\u4e2d\uff0c\u738b\u535a\u58eb\u53d1\u73b0\u540c\u6837\u5b58\u5728\u4e00\u7cfb\u5217\u7684\u95ee\u9898\u3002\u5728DKIM\u7684RFC6376\u4e2d\u53ea\u660e\u786e\u8981\u6c42\u4e86From\u5b57\u6bb5\u4e00\u5b9a\u8981\u5907\u7b7e\u540d\uff0c\u4f46\u662f\u4e00\u5c01\u90ae\u4ef6\u5f80\u5f80\u5305\u542b\u7684\u5934\u90e8\u975e\u5e38\u7684\u591a\uff0cFrom\u3001to\u3001subject\u7b49\u7b49\u3002\u90a3\u4e48\u8fd9\u5c31\u5f15\u5165\u4e86\u4e00\u4e2a\u65b0\u7684\u95ee\u9898\uff0c\u7a76\u7adf\u5e94\u8be5\u5bf9\u54ea\u4e9b\u5934\u5b57\u6bb5\u7b7e\u540d\u5462\uff1f\u4f46\u662f\u534f\u8bae\u5bf9\u4e00\u65b9\u9762\u63cf\u8ff0\u5f97\u6bd4\u8f83\u6a21\u7cca\uff0cRFC\u53ea\u63d0\u4f9b\u4e86\u4e00\u4e2a\u57fa\u672c\u7684\u51c6\u5219\uff0c\u90a3\u5c31\u662fDKIM\u7b7e\u540d\u9700\u8981\u5bf9\u90ae\u4ef6\u4fe1\u606f\u7684\u6838\u5fc3\u5185\u5bb9\u8fdb\u884c\u4fdd\u62a4\u3002\u56e0\u4e3a\u7f3a\u5c11\u534f\u8bae\u7684\u89c4\u8303\uff0c\u73b0\u5b9e\u4e16\u754c\u5bf9\u4e8e\u90ae\u4ef6\u5934\u5b57\u6bb5\u7684\u4fdd\u62a4\u5f80\u5f80\u53c2\u5dee\u4e0d\u9f50\uff0c\u53d6\u51b3\u4e8e\u90ae\u4ef6\u7ba1\u7406\u5458\u5bf9\u4e8e\u90ae\u4ef6\u5b89\u5168\u7684\u8ba4\u8bc6\u3002\u4ed6\u4eec\u7edf\u8ba1\u4e86\u6570\u636e\u96c6\u4e2d\u6240\u6709\u7684DKIM\u7b7e\u540d\uff0c\u4e0b\u9762\u7684\u8868\u5c55\u793a\u4e86\u88ab\u9ad8\u9891\u7b7e\u540d\u7684top 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http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/16-3.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"578\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/17-1-1024x578.png\" alt=\"\" class=\"wp-image-6190\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/17-1-1024x578.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/17-1-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/17-1-768x434.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/17-1-150x85.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/17-1-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/17-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p 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class=\"wp-image-6189\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/18-3-1024x578.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/18-3-300x169.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/18-3-768x434.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/18-3-150x85.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/18-3-250x141.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/18-3.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2023\/07\/19-2-1024x576.png\" alt=\"\" class=\"wp-image-6181\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/19-2-1024x576.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2023\/07\/19-2-300x169.png 300w, 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<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-6163","post","type-post","status-publish","format-standard","hentry","category-research"],"_links":{"self":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/6163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6163"}],"version-history":[{"count":1,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/6163\/revisions"}],"predecessor-version":[{"id":6193,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/6163\/revisions\/6193"}],"wp:attachment":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6163"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}