{"id":255705,"date":"2017-02-08T15:19:18","date_gmt":"2017-02-08T07:19:18","guid":{"rendered":"http:\/\/blog.zhenglei.net\/?p=255705"},"modified":"2017-02-08T15:19:18","modified_gmt":"2017-02-08T07:19:18","slug":"spf-%e8%ae%b0%e5%bd%95%ef%bc%9a%e5%8e%9f%e7%90%86%e3%80%81%e8%af%ad%e6%b3%95%e5%8f%8a%e9%85%8d%e7%bd%ae%e6%96%b9%e6%b3%95%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/blog.zhenglei.net\/?p=255705","title":{"rendered":"SPF \u8bb0\u5f55\uff1a\u539f\u7406\u3001\u8bed\u6cd5\u53ca\u914d\u7f6e\u65b9\u6cd5\u7b80\u4ecb"},"content":{"rendered":"<p><a href=\"https:\/\/www.renfei.org\/blog\/introduction-to-spf.html\">https:\/\/www.renfei.org\/blog\/introduction-to-spf.html<\/a><\/p>\n<div class=\"post-content\">\n<p>SPF\uff0c\u5168\u79f0\u4e3a Sender Policy Framework\uff0c\u5373\u53d1\u4ef6\u4eba\u7b56\u7565\u6846\u67b6\u3002<\/p>\n<p>\u5f53\u524d Email \u901a\u4fe1\uff0c\u8fd8\u662f\u5728\u4f7f\u7528 SMTP \u8fd9\u4e2a\u534f\u8bae\u3002SMTP \u7684\u5168\u79f0\u4e3a Simple Mail Transfer Protocol\uff0c\u5373\u300c\u7b80\u5355\u90ae\u4ef6\u4f20\u8f93\u534f\u8bae\u300d\u3002\u6b63\u5982\u5b83\u7684\u540d\u5b57\u9501\u6697\u793a\u7684\uff0cSMTP \u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\uff08\u751a\u81f3\u7b80\u964b\uff09\u7684\u4f20\u8f93\u534f\u8bae\uff0c\u672c\u8eab\u5e76\u6ca1\u6709\u5f88\u597d\u7684\u5b89\u5168\u63aa\u65bd\u3002\u6839\u636e SMTP \u7684\u89c4\u5219\uff0c\u53d1\u4ef6\u4eba\u7684\u90ae\u7bb1\u5730\u5740\u662f\u53ef\u4ee5\u7531\u53d1\u4fe1\u65b9\u4efb\u610f\u58f0\u660e\u7684\u3002\u5728 SMTP \u534f\u8bae\u5236\u5b9a\u7684\u65f6\u5019\u4e5f\u8bb8\u8fd8\u597d\uff0c\u4f46\u5728\u5783\u573e\u548c\u8bc8\u9a97\u90ae\u4ef6\u6a2a\u884c\u7684\u4eca\u5929\uff0c\u8fd9\u663e\u7136\u662f\u6781\u4e0d\u5b89\u5168\u7684\u3002<\/p>\n<p>SPF \u51fa\u73b0\u7684\u76ee\u7684\uff0c\u5c31\u662f\u4e3a\u4e86\u9632\u6b62\u968f\u610f\u4f2a\u9020\u53d1\u4ef6\u4eba\u3002<\/p>\n<h2 id=\"spf-\">SPF \u8bb0\u5f55\u7684\u539f\u7406<\/h2>\n<p>SPF \u8bb0\u5f55\u5b9e\u9645\u4e0a\u662f\u670d\u52a1\u5668\u7684\u4e00\u4e2a DNS \u8bb0\u5f55\uff0c\u539f\u7406\u5176\u5b9e\u5f88\u7b80\u5355\uff1a<\/p>\n<p>\u5047\u8bbe\u90ae\u4ef6\u670d\u52a1\u5668\u6536\u5230\u4e86\u4e00\u5c01\u90ae\u4ef6\uff0c\u6765\u81ea\u4e3b\u673a\u7684 IP \u662f<code>173.194.72.103<\/code>\uff0c\u5e76\u4e14\u58f0\u79f0\u53d1\u4ef6\u4eba\u4e3a<code>email@example.com<\/code>\u3002\u4e3a\u4e86\u786e\u8ba4\u53d1\u4ef6\u4eba\u4e0d\u662f\u4f2a\u9020\u7684\uff0c\u90ae\u4ef6\u670d\u52a1\u5668\u4f1a\u53bb\u67e5\u8be2<code>example.com<\/code>\u7684 SPF \u8bb0\u5f55\u3002\u5982\u679c\u8be5\u57df\u7684 SPF \u8bb0\u5f55\u8bbe\u7f6e\u5141\u8bb8 IP \u4e3a<code>173.194.72.103<\/code>\u7684\u4e3b\u673a\u53d1\u9001\u90ae\u4ef6\uff0c\u5219\u670d\u52a1\u5668\u5c31\u8ba4\u4e3a\u8fd9\u5c01\u90ae\u4ef6\u662f\u5408\u6cd5\u7684\uff1b\u5982\u679c\u4e0d\u5141\u8bb8\uff0c\u5219\u901a\u5e38\u4f1a\u9000\u4fe1\uff0c\u6216\u5c06\u5176\u6807\u8bb0\u4e3a\u5783\u573e\/\u4eff\u5192\u90ae\u4ef6\u3002<\/p>\n<p>\u56e0\u4e3a\u4e0d\u6000\u597d\u5fc3\u7684\u4eba\u867d\u7136\u53ef\u4ee5\u300c\u58f0\u79f0\u300d\u4ed6\u7684\u90ae\u4ef6\u6765\u81ea<code>example.com<\/code>\uff0c\u4f46\u662f\u4ed6\u5374\u65e0\u6743\u64cd\u4f5c<code>example.com<\/code>\u7684 DNS \u8bb0\u5f55\uff1b\u540c\u65f6\u4ed6\u4e5f\u65e0\u6cd5\u4f2a\u9020\u81ea\u5df1\u7684 IP \u5730\u5740\u3002\u56e0\u6b64 SPF \u662f\u5f88\u6709\u6548\u7684\uff0c\u5f53\u524d\u57fa\u672c\u4e0a\u6240\u6709\u7684\u90ae\u4ef6\u670d\u52a1\u63d0\u4f9b\u5546\uff08\u4f8b\u5982 Gmail\u3001QQ \u90ae\u7bb1\u7b49\uff09\u90fd\u4f1a\u9a8c\u8bc1\u5b83\u3002<\/p>\n<h2 id=\"spf--1\">SPF \u8bb0\u5f55\u7684\u8bed\u6cd5<\/h2>\n<p>\u4e00\u6761 SPF \u8bb0\u5f55\u5b9a\u4e49\u4e86\u4e00\u4e2a\u6216\u8005\u591a\u4e2a mechanism\uff0c\u800c mechanism \u5219\u5b9a\u4e49\u4e86\u54ea\u4e9b IP \u662f\u5141\u8bb8\u7684\uff0c\u54ea\u4e9b IP \u662f\u62d2\u7edd\u7684\u3002<\/p>\n<p>\u8fd9\u4e9b mechanism \u5305\u62ec\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<pre><code>all | ip4 | ip6 | a | mx | ptr | exists | include\r\n<\/code><\/pre>\n<p>\u6bcf\u4e2a mechanism \u53ef\u4ee5\u6709\u56db\u79cd\u524d\u7f00\uff1a<\/p>\n<pre><code>\"+\"  Pass\uff08\u901a\u8fc7\uff09\r\n\"-\"  Fail\uff08\u62d2\u7edd\uff09\r\n\"~\"  Soft Fail\uff08\u8f6f\u62d2\u7edd\uff09\r\n\"?\"  Neutral\uff08\u4e2d\u7acb\uff09\r\n<\/code><\/pre>\n<p>\u6d4b\u8bd5\u65f6\uff0c\u5c06\u4ece\u524d\u5f80\u540e\u4f9d\u6b21\u6d4b\u8bd5\u6bcf\u4e2a mechanism\u3002\u5982\u679c\u4e00\u4e2a mechanism \u5305\u542b\u4e86\u8981\u67e5\u8be2\u7684 IP \u5730\u5740\uff08\u79f0\u4e3a\u547d\u4e2d\uff09\uff0c\u5219\u6d4b\u8bd5\u7ed3\u679c\u7531\u76f8\u5e94 mechanism \u7684\u524d\u7f00\u51b3\u5b9a\u3002\u9ed8\u8ba4\u7684\u524d\u7f00\u4e3a<code>+<\/code>\u3002\u5982\u679c\u6d4b\u8bd5\u5b8c\u6240\u6709\u7684 mechanisms \u4e5f\u6ca1\u6709\u547d\u4e2d\uff0c\u5219\u7ed3\u679c\u4e3a Neutral\u3002<\/p>\n<p>\u9664\u4e86\u4ee5\u4e0a\u56db\u79cd\u60c5\u51b5\uff0c\u8fd8\u6709 None\uff08\u65e0\u7ed3\u679c\uff09\u3001PermError\uff08\u6c38\u4e45\u9519\u8bef\uff09\u548c TempError\uff08\u4e34\u65f6\u9519\u8bef\uff09\u4e09\u79cd\u5176\u4ed6\u60c5\u51b5\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u60c5\u51b5\u7684\u89e3\u91ca\u548c\u670d\u52a1\u5668\u901a\u5e38\u7684\u5904\u7406\u529e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u7ed3\u679c<\/td>\n<td>\u542b\u4e49<\/td>\n<td>\u670d\u52a1\u5668\u5904\u7406\u529e\u6cd5<\/td>\n<\/tr>\n<tr>\n<td>Pass<\/td>\n<td>\u53d1\u4ef6 IP \u662f\u5408\u6cd5\u7684<\/td>\n<td>\u63a5\u53d7\u6765\u4fe1<\/td>\n<\/tr>\n<tr>\n<td>Fail<\/td>\n<td>\u53d1\u4ef6 IP \u662f\u975e\u6cd5\u7684<\/td>\n<td>\u9000\u4fe1<\/td>\n<\/tr>\n<tr>\n<td>Soft Fail<\/td>\n<td>\u53d1\u4ef6 IP \u975e\u6cd5\uff0c\u4f46\u662f\u4e0d\u91c7\u53d6\u5f3a\u786c\u63aa\u65bd<\/td>\n<td>\u63a5\u53d7\u6765\u4fe1\uff0c\u4f46\u662f\u505a\u6807\u8bb0<\/td>\n<\/tr>\n<tr>\n<td>Neutral<\/td>\n<td>SPF \u8bb0\u5f55\u4e2d\u6ca1\u6709\u5173\u4e8e\u53d1\u4ef6 IP \u662f\u5426\u5408\u6cd5\u7684\u4fe1\u606f<\/td>\n<td>\u63a5\u53d7\u6765\u4fe1<\/td>\n<\/tr>\n<tr>\n<td>None<\/td>\n<td>\u670d\u52a1\u5668\u6ca1\u6709\u8bbe\u5b9a SPF \u8bb0\u5f55<\/td>\n<td>\u63a5\u53d7\u6765\u4fe1<\/td>\n<\/tr>\n<tr>\n<td>PermError<\/td>\n<td>\u53d1\u751f\u4e86\u4e25\u91cd\u9519\u8bef\uff08\u4f8b\u5982 SPF \u8bb0\u5f55\u8bed\u6cd5\u9519\u8bef\uff09<\/td>\n<td>\u6ca1\u6709\u89c4\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>TempError<\/td>\n<td>\u53d1\u751f\u4e86\u4e34\u65f6\u9519\u8bef\uff08\u4f8b\u5982 DNS \u67e5\u8be2\u5931\u8d25\uff09<\/td>\n<td>\u63a5\u53d7\u6216\u62d2\u7edd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6ce8\u610f\uff0c\u4e0a\u9762\u6240\u8bf4\u7684\u300c\u670d\u52a1\u5668\u5904\u7406\u529e\u6cd5\u300d\u4ec5\u4ec5\u662f SPF \u6807\u51c6\u505a\u51fa\u7684\u5efa\u8bae\uff0c\u5e76\u975e\u6240\u6709\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u90fd\u4e25\u683c\u9075\u5faa\u8fd9\u5957\u89c4\u5b9a\u3002<\/p>\n<h3 id=\"mechanisms\">Mechanisms<\/h3>\n<p>\u4e0b\u9762\u4ecb\u7ecd\u4e0a\u9762\u63d0\u5230\u7684 mechanism\uff1a<\/p>\n<h4 id=\"all\">all<\/h4>\n<p>\u8868\u793a\u6240\u6709 IP\uff0c\u80af\u5b9a\u4f1a\u547d\u4e2d\u3002\u56e0\u6b64\u901a\u5e38\u628a\u5b83\u653e\u5728 SPF \u8bb0\u5f55\u7684\u7ed3\u5c3e\uff0c\u8868\u793a\u5904\u7406\u5269\u4e0b\u7684\u6240\u6709\u60c5\u51b5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\"v=spf1 -all\" \u62d2\u7edd\u6240\u6709\uff08\u8868\u793a\u8fd9\u4e2a\u57df\u540d\u4e0d\u4f1a\u53d1\u51fa\u90ae\u4ef6\uff09\r\n\"v=spf1 +all\" \u63a5\u53d7\u6240\u6709\uff08\u57df\u540d\u6240\u6709\u8005\u8ba4\u4e3a SPF \u662f\u6ca1\u6709\u7528\u7684\uff0c\u6216\u8005\u6839\u672c\u4e0d\u5728\u4e4e\u5b83\uff09\r\n<\/code><\/pre>\n<h4 id=\"ip4\">ip4<\/h4>\n<p>\u683c\u5f0f\u4e3a<code>ip4:&lt;ip4-address&gt;<\/code>\u6216\u8005<code>ip4:&lt;ip4-network&gt;\/&lt;prefix-length&gt;<\/code>\uff0c\u6307\u5b9a\u4e00\u4e2a IPv4 \u5730\u5740\u6216\u8005\u5730\u5740\u6bb5\u3002\u5982\u679c<code>prefix-length<\/code>\u6ca1\u6709\u7ed9\u51fa\uff0c\u5219\u9ed8\u8ba4\u4e3a<code>\/32<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\"v=spf1 ip4:192.168.0.1\/16 -all\"\r\n\u53ea\u5141\u8bb8\u5728 192.168.0.1 ~ 192.168.255.255 \u8303\u56f4\u5185\u7684 IP\r\n<\/code><\/pre>\n<h4 id=\"ip6\">ip6<\/h4>\n<p>\u683c\u5f0f\u548c<code>ip4<\/code>\u7684\u5f88\u7c7b\u4f3c\uff0c\u9ed8\u8ba4\u7684<code>prefix-length<\/code>\u662f<code>\/128<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\"v=spf1 ip6:1080::8:800:200C:417A\/96 -all\"\r\n\u53ea\u5141\u8bb8\u5728 1080::8:800:0000:0000 ~ 1080::8:800:FFFF:FFFF \u8303\u56f4\u5185\u7684 IP\r\n<\/code><\/pre>\n<h4 id=\"a--mx\">a \u548c mx<\/h4>\n<p>\u8fd9\u4fe9\u7684\u683c\u5f0f\u662f\u76f8\u540c\u7684\uff0c\u4ee5<code>a<\/code>\u4e3a\u4f8b\uff0c\u683c\u5f0f\u4e3a\u4ee5\u4e0b\u56db\u79cd\u4e4b\u4e00\uff1a<\/p>\n<pre><code>a\r\na\/&lt;prefix-length&gt;\r\na:&lt;domain&gt;\r\na:&lt;domain&gt;\/&lt;prefix-length&gt;\r\n<\/code><\/pre>\n<p>\u4f1a\u547d\u4e2d\u76f8\u5e94\u57df\u540d\u7684 a \u8bb0\u5f55\uff08\u6216 mx \u8bb0\u5f55\uff09\u4e2d\u5305\u542b\u7684 IP \u5730\u5740\uff08\u6216\u5730\u5740\u6bb5\uff09\u3002\u5982\u679c\u6ca1\u6709\u63d0\u4f9b\u57df\u540d\uff0c\u5219\u4f7f\u7528\u5f53\u524d\u57df\u540d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\"v=spf1 mx -all\"\r\n\u5141\u8bb8\u5f53\u524d\u57df\u540d\u7684 mx \u8bb0\u5f55\u5bf9\u5e94\u7684 IP \u5730\u5740\u3002\r\n\r\n\"v=spf1 mx mx:deferrals.example.com -all\"\r\n\u5141\u8bb8\u5f53\u524d\u57df\u540d\u548c deferrals.example.com \u7684 mx \u8bb0\u5f55\u5bf9\u5e94\u7684 IP \u5730\u5740\u3002\r\n\r\n\"v=spf1 a\/24 -all\"\r\n\u7c7b\u4f3c\u5730\uff0c\u8fd9\u4e2a\u7528\u6cd5\u5219\u5141\u8bb8\u4e00\u4e2a\u5730\u5740\u6bb5\u3002\r\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u8fd9\u662f\u4e00\u4e2a\u6bd4\u8f83\u5e38\u89c1\u7684 SPF \u8bb0\u5f55\uff0c\u5b83\u8868\u793a\u652f\u6301\u5f53\u524d\u57df\u540d\u7684 a \u8bb0\u5f55\u548c mx \u8bb0\u5f55\uff0c\u540c\u65f6\u652f\u6301\u4e00\u4e2a\u7ed9\u5b9a\u7684 IP \u5730\u5740\uff1b\u5176\u4ed6\u5730\u5740\u5219\u62d2\u7edd\uff1a<\/p>\n<pre><code>v=spf1 a mx ip4:173.194.72.103 -all\r\n<\/code><\/pre>\n<h4 id=\"include\">include<\/h4>\n<p>\u683c\u5f0f\u4e3a<code>include:&lt;domain&gt;<\/code>\uff0c\u8868\u793a\u5f15\u5165<code>&lt;domain&gt;<\/code>\u57df\u540d\u4e0b\u7684 SPF \u8bb0\u5f55\u3002\u6ce8\u610f\uff0c\u5982\u679c\u8be5\u57df\u540d\u4e0b\u4e0d\u5b58\u5728 SPF \u8bb0\u5f55\uff0c\u5219\u4f1a\u5bfc\u81f4\u4e00\u4e2a<code>PermError<\/code>\u7ed3\u679c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\"v=spf1 include:example.com -all\" \u5373\u91c7\u7528\u548c example.com \u5b8c\u5168\u4e00\u6837\u7684 SPF \u8bb0\u5f55\r\n<\/code><\/pre>\n<h4 id=\"exists\">exists<\/h4>\n<p>\u683c\u5f0f\u4e3a<code>exists:&lt;domain&gt;<\/code>\u3002\u5c06\u5bf9<code>&lt;domain&gt;<\/code>\u6267\u884c\u4e00\u4e2a A \u67e5\u8be2\uff0c\u5982\u679c\u6709\u8fd4\u56de\u7ed3\u679c\uff08\u65e0\u8bba\u7ed3\u679c\u662f\u4ec0\u4e48\uff09\uff0c\u90fd\u4f1a\u770b\u4f5c\u547d\u4e2d\u3002<\/p>\n<h4 id=\"ptr\">ptr<\/h4>\n<p>\u683c\u5f0f\u4e3a<code>ptr<\/code>\u6216\u8005<code>ptr:&lt;domain&gt;<\/code>\u3002\u4f7f\u7528<code>ptr<\/code>\u673a\u5236\u4f1a\u5e26\u6765\u5927\u91cf\u5f88\u5927\u5f00\u9500\u7684 DNS \u67e5\u8be2\uff0c\u6240\u4ee5\u8fde\u5b98\u65b9\u90fd\u4e0d\u63a8\u8350\u4f7f\u7528\u5b83\u3002<\/p>\n<h3 id=\"vspf1\">\u5173\u4e8ev=spf1<\/h3>\n<p>\u8fd9\u662f\u5fc5\u987b\u7684\uff0c\u8fd9\u4e2a\u8868\u793a\u91c7\u7528 SPF 1 \u7248\u672c\uff0c\u73b0\u5728\u5b83\u7684\u6700\u65b0\u7248\u672c\u5c31\u662f\u7b2c 1 \u7248\u3002<\/p>\n<h3 id=\"modifiers\">Modifiers<\/h3>\n<p>SPF \u8bb0\u5f55\u4e2d\u8fd8\u53ef\u4ee5\u5305\u62ec\u4e24\u79cd\u53ef\u9009\u7684 modifier\uff1b\u4e00\u4e2a modifier \u53ea\u80fd\u51fa\u73b0\u4e00\u6b21\u3002<\/p>\n<h4 id=\"redirect\">redirect<\/h4>\n<p>\u683c\u5f0f\u4e3a<code>redirect=&lt;domain&gt;<\/code><\/p>\n<p>\u5c06\u7528\u7ed9\u5b9a\u57df\u540d\u7684 SPF \u8bb0\u5f55\u66ff\u6362\u5f53\u524d\u8bb0\u5f55\u3002<\/p>\n<h4 id=\"exp\">exp<\/h4>\n<p>\u683c\u5f0f\u4e3a<code>exp=&lt;domain&gt;<\/code>\uff0c\u76ee\u7684\u662f\u5982\u679c\u90ae\u4ef6\u88ab\u62d2\u7edd\uff0c\u53ef\u4ee5\u7ed9\u51fa\u4e00\u4e2a\u6d88\u606f\u3002\u800c\u6d88\u606f\u7684\u5177\u4f53\u5185\u5bb9\u4f1a\u9996\u5148\u5bf9<code>&lt;domain&gt;<\/code>\u6267\u884c TXT \u67e5\u8be2\uff0c\u7136\u540e\u6267\u884c\u5b8f\u6269\u5c55\u5f97\u5230\u3002<\/p>\n<h2 id=\"spf--2\">\u5982\u4f55\u7528 SPF \u4fdd\u62a4\u6211\u7684\u57df\u540d<\/h2>\n<p>\u5982\u679c\u4f60\u62e5\u6709\u81ea\u5df1\u7684\u57df\u540d\uff0c\u5e76\u4e14\u7528\u5b83\u53d1\u9001\u90ae\u4ef6\uff0c\u90a3\u4e48\u4f60\u5e94\u8be5\u4e3a\u5b83\u6dfb\u52a0 SPF\u3002\u901a\u8fc7\u57df\u540d\u670d\u52a1\u5546\u63d0\u4f9b\u7684\u300c\u57df\u540d\u89e3\u6790\u300d\u3001\u300cDNS Editor\u300d\u6216\u8005\u300cDNS Zone Editor\u300d\u7b49\u529f\u80fd\u6dfb\u52a0\uff0c\u5e76\u586b\u5199\u6b63\u786e\u7684 SPF \u6570\u636e\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u4e25\u683c\u6765\u8bf4\uff0cSPF \u6570\u636e\u5e94\u8be5\u521b\u5efa\u4e3a SPF \u8bb0\u5f55\u3002\u4f46\u662f\u9274\u4e8e\u5f88\u591a DNS \u670d\u52a1\u5546\u4e0d\u652f\u6301 SPF \u8bb0\u5f55\uff0c\u751a\u81f3\u6709\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u4e5f\u4e0d\u652f\u6301 SPF \u8bb0\u5f55\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u521b\u5efa\u4e3a\u4e00\u6761 TXT \u8bb0\u5f55\u3002\u76ee\u524d\uff0c\u4f60\u5e94\u8be5\u81f3\u5c11\u521b\u5efa\u4e00\u6761 TXT \u8bb0\u5f55\u3002<\/p>\n<p>\u56e0\u4e3a\u672c\u8d28\u4e0a SPF \u7684\u4f5c\u7528\u662f\u4e3a\u4e00\u4e2a\u57df\u540d\u6307\u5b9a\u5408\u6cd5\u7684\u53d1\u4ef6 IP\uff0c\u6240\u4ee5\u4f60\u9700\u8981\u77e5\u9053\u81ea\u5df1\u4f7f\u7528\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u7684\u53d1\u4ef6 IP \u662f\u4ec0\u4e48\u3002\u5982\u679c\u4f60\u4f7f\u7528\u7b2c\u4e09\u65b9\u7684\u57df\u540d\u90ae\u7bb1\u670d\u52a1\uff08\u6bd4\u5982\u817e\u8baf\u7684\u57df\u540d\u90ae\u7bb1\uff09\uff0c\u90a3\u4e48\u4ed6\u4eec\u5e94\u8be5\u6709\u76f8\u5e94\u7684\u6587\u6863\u544a\u8bc9\u4f60\u8be5\u600e\u4e48\u586b\u5199\u3002\u5982\u679c\u4f60\u7528\u865a\u62df\u4e3b\u673a\uff0c\u5219\u4e3b\u673a\u63d0\u4f9b\u5546\u4e5f\u5e94\u8be5\u4f1a\u544a\u8bc9\u4f60\u3002<\/p>\n<h2 id=\"section\">\u751f\u6548\u65f6\u95f4<\/h2>\n<p>SPF \u8bb0\u5f55\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a DNS \u8bb0\u5f55\uff0c\u6240\u4ee5\u5e76\u4e0d\u662f\u4fee\u6539\u4e4b\u540e\u7acb\u5373\u751f\u6548\u7684\u2014\u2014\u901a\u5e38\u9700\u8981\u51e0\u4e2a\u5c0f\u65f6\u7684\u65f6\u95f4\u3002<\/p>\n<h2 id=\"section-1\">\u4e00\u4e9b\u5de5\u5177<\/h2>\n<p>\u867d\u7136\u6211\u4e0d\u80fd\u5e2e\u4f60\u51b3\u5b9a SPF \u8be5\u586b\u4ec0\u4e48\uff0c\u4f46\u662f\u8fd9\u91cc\u6709\u4e00\u4e9b\u975e\u5e38\u597d\u7528\u7684\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u4f60\uff0c\u70b9\u51fb\u5b83\u4eec\u5728\u65b0\u7a97\u53e3\u6253\u5f00\uff1a<\/p>\n<ul>\n<li><a href=\"http:\/\/www.openspf.org\">Open SPF<\/a>\uff1a\u5b98\u65b9\u7f51\u7ad9\uff0c\u6709\u5f88\u591a\u8d44\u6599\uff0c\u503c\u5f97\u4e00\u770b\u3002<\/li>\n<li><a href=\"http:\/\/www.openspf.org\/RFC_4408\">RFC 4408<\/a>\uff1aSPFv1 \u7684\u89c4\u8303\u5168\u6587\u3002<\/li>\n<li><a href=\"http:\/\/www.kitterman.com\/spf\/validate.html\">SPF Recored Testing Tools<\/a>\uff1a\u5e2e\u52a9\u4f60\u9a8c\u8bc1\u57df\u540d\u662f\u5426\u5b58\u5728 SPF \u8bb0\u5f55\u3001\u8bb0\u5f55\u7684\u8bed\u6cd5\u662f\u5426\u6b63\u786e\uff0c\u4ee5\u53ca\u8f93\u5165 IP \u548c host \u6765\u6d4b\u8bd5\u662f\u4e0d\u662f\u771f\u6b63\u7ba1\u7528\u3002<\/li>\n<li><a href=\"http:\/\/www.openspf.org\/Why\">SPF: Why?<\/a>\uff1a\u4e3a\u4ec0\u4e48\u6211\u53d1\u7684\u90ae\u4ef6\u88ab\u62d2\u7edd\u4e86\uff1f<\/li>\n<li><a href=\"http:\/\/tools.bevhost.com\/cgi-bin\/dnslookup\">Beveridge Hosting DNS Lookup<\/a>\uff1a\u56fe\u5f62\u754c\u9762\u7684<code>dig<\/code>\uff0c\u4e5f\u53ef\u4ee5\u663e\u793a\u67e5\u8be2\u5230\u7684 SPF \u4fe1\u606f\u3002<\/li>\n<li><a href=\"http:\/\/tools.bevhost.com\/spf\/\">Beveridge SPF Test<\/a>\uff1a\u53e6\u4e00\u4e2a\u6839\u636e IP \u548c host \u9a8c\u8bc1 SPF \u662f\u5426\u901a\u8fc7\u7684\u5de5\u5177\u3002<\/li>\n<li>Gmail\uff1a\u5982\u679c\u4f60\u6709 Gmail \u7684\u8bdd\uff0c\u53ef\u4ee5\u7ed9\u81ea\u5df1\u7684 Gmail \u90ae\u7bb1\u53d1\u4e00\u5c01\u90ae\u4ef6\uff0c\u7136\u540e\u7528 Gmail \u72ec\u6709\u7684 Show Original \u529f\u80fd\u67e5\u770b Gmail \u670d\u52a1\u5668\u7684 SPF \u5224\u65ad\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/www.renfei.org\/blog\/introduction &hellip; <a href=\"https:\/\/blog.zhenglei.net\/?p=255705\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[193,6,20],"tags":[339,347],"class_list":["post-255705","post","type-post","status-publish","format-standard","hentry","category-cloud-2","category-internet","category-socialnetwork","tag-email","tag-spf"],"_links":{"self":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/255705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=255705"}],"version-history":[{"count":1,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/255705\/revisions"}],"predecessor-version":[{"id":255706,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/255705\/revisions\/255706"}],"wp:attachment":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=255705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=255705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=255705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}