{"id":34271,"date":"2026-11-05T14:00:00","date_gmt":"2026-11-05T06:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=34271"},"modified":"2026-10-27T19:08:30","modified_gmt":"2026-10-27T11:08:30","slug":"shared-hosting-25-smtp","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/tutorials\/shared-hosting-25-smtp\/","title":{"rendered":"\u5171\u4eab\u4e3b\u673a 25 \u7aef\u53e3\u88ab\u5c01\uff1a\u7f51\u7ad9\u53d1\u4fe1\u6539\u8d70 SMTP \u4e2d\u7ee7\u7684\u914d\u7f6e\u4e0e\u9001\u8fbe\u9a8c\u8bc1"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/shared-hosting-25-smtp-cover.webp\" alt=\"\u5171\u4eab\u4e3b\u673a 25 \u7aef\u53e3\u88ab\u5c01\u540e\u6539\u8d70 SMTP \u4e2d\u7ee7\u7684\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u540e\u53f0\u70b9\u4e86\u201c\u53d1\u9001\u6d4b\u8bd5\u90ae\u4ef6\u201d\uff0c\u9875\u9762\u63d0\u793a\u6210\u529f\uff0c\u5ba2\u6237\u5374\u59cb\u7ec8\u6ca1\u6536\u5230\u3002\u767b\u5f55\u4e3b\u673a\u9762\u677f\u4e00\u6d4b\u624d\u77e5\u9053\uff0c<a href=\"https:\/\/cn.hostease.com\/shared-hosting.html\">\u5171\u4eab\u4e3b\u673a<\/a>\u7684\u51fa\u7ad9 25 \u7aef\u53e3\u5df2\u7ecf\u88ab\u5c01\uff0c\u90ae\u4ef6\u6839\u672c\u6ca1\u79bb\u5f00\u673a\u623f\u3002\u8fd9\u4e0d\u662f\u914d\u7f6e\u5199\u9519\uff0c\u800c\u662f\u7edd\u5927\u591a\u6570\u5171\u4eab\u4e3b\u673a\uff08\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u540c\u65f6\u8dd1\u591a\u4e2a\u7f51\u7ad9\u7684\u4e3b\u673a\u65b9\u6848\uff09\u7684\u9ed8\u8ba4\u7b56\u7565\uff1a25 \u7aef\u53e3\u662f\u5783\u573e\u90ae\u4ef6\u6700\u4e3b\u8981\u7684\u51fa\u53e3\uff0c\u670d\u52a1\u5546\u901a\u5e38\u5728\u7f51\u7edc\u8fb9\u754c\u4e0a\u76f4\u63a5\u4e22\u5305\u3002<\/p>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u6309\u201c\u5148\u5224\u65ad\u95ee\u9898\u5728\u54ea\u4e00\u5c42\u3001\u518d\u628a\u53d1\u4fe1\u8def\u5f84\u6539\u9053\u3001\u6700\u540e\u7528\u771f\u5b9e\u6536\u4fe1\u8bb0\u5f55\u9a8c\u8bc1\u201d\u7684\u987a\u5e8f\uff0c\u8bb2\u6e05\u695a\u5982\u4f55\u5728\u4e0d\u6362\u4e3b\u673a\u7684\u60c5\u51b5\u4e0b\u628a\u7f51\u7ad9\u53d1\u4fe1\u5207\u6362\u5230 SMTP \u4e2d\u7ee7\uff08\u7531\u7b2c\u4e09\u65b9\u90ae\u4ef6\u670d\u52a1\u4ee3\u4e3a\u6295\u9012\u7684\u4e2d\u8f6c\u670d\u52a1\u5668\uff09\uff0c\u4ee5\u53ca\u600e\u6837\u786e\u8ba4\u90ae\u4ef6\u8fdb\u4e86\u6536\u4ef6\u7bb1\u3002<\/p>\n<h2>\u5148\u5206\u6e05\u662f\u7aef\u53e3\u4e0d\u901a\uff0c\u8fd8\u662f\u8d26\u53f7\u4e0e\u57df\u540d\u7684\u95ee\u9898<\/h2>\n<p>\u4e0d\u5c11\u7ad9\u957f\u628a\u201c\u53d1\u4e0d\u51fa\u53bb\u201d\u76f4\u63a5\u5f52\u56e0\u4e8e\u5c01\u7aef\u53e3\uff0c\u5176\u5b9e\u76f8\u5f53\u4e00\u90e8\u5206\u662f\u51ed\u636e\u8fc7\u671f\u6216 SPF \u6ca1\u8986\u76d6\u65b0\u7684\u53d1\u4fe1 IP\u3002\u5224\u65ad\u987a\u5e8f\u4ece\u7f51\u7edc\u5c42\u5f80\u5e94\u7528\u5c42\u8d70\uff0c\u4e00\u5c42\u5c42\u6392\u6389\uff0c\u514d\u5f97\u5728\u9519\u7684\u65b9\u5411\u4e0a\u6539\u63d2\u4ef6\u3002PHP \u9ed8\u8ba4\u7ecf\u672c\u673a sendmail \u6216\u672c\u5730 MTA\uff08\u90ae\u4ef6\u4f20\u8f93\u4ee3\u7406\uff09\u6295\u9012\uff0c\u8d70\u7684\u5c31\u662f 25 \u7aef\u53e3\uff0c\u8fd9\u5c42\u4e0d\u901a\uff0c\u540e\u9762\u914d\u4ec0\u4e48\u90fd\u6ca1\u7528\u3002<\/p>\n<pre><code class=\"language-bash\"># \u672c\u673a 25 \u7aef\u53e3\uff1a\u672c\u5730\u901a\u3001\u5916\u90e8\u4e0d\u901a\uff0c\u8bf4\u660e\u51fa\u7ad9\u65b9\u5411\u88ab\u62e6\nnc -vz 127.0.0.1 25\n\n# \u4e2d\u7ee7\u7684\u63d0\u4ea4\u7aef\u53e3\uff0c587 \u662f\u5ba2\u6237\u7aef\u6295\u9012\u90ae\u4ef6\u7684\u6807\u51c6\u7aef\u53e3\nnc -vz smtp.yourprovider.com 587\n\n# TLS \u63e1\u624b\uff1a\u5931\u8d25\u901a\u5e38\u662f\u4e2d\u95f4\u8bbe\u5907\u62e6\u622a\u4e86\u52a0\u5bc6\u6d41\u91cf\nopenssl s_client -connect smtp.yourprovider.com:587 -starttls smtp\n\n# \u5f53\u524d SPF \u8bb0\u5f55\uff1a\u786e\u8ba4\u91cc\u9762\u6709\u4e2d\u7ee7\u670d\u52a1\u5546\u7684\u6388\u6743\u6bb5\ndig +short TXT yourdomain.com\n<\/code><\/pre>\n<p>\u518d\u53bb\u4e3b\u673a\u9762\u677f\u7684\u90ae\u4ef6\u65e5\u5fd7\u91cc\u641c <code>Connection timed out<\/code> \u548c <code>Connection refused<\/code>\uff1a\u524d\u8005\u662f\u4e22\u5305\uff0c\u540e\u8005\u662f\u660e\u786e\u62d2\u7edd\uff0c\u5904\u7406\u65b9\u5f0f\u5b8c\u5168\u4e0d\u540c\u3002\u5982\u679c 25 \u7aef\u53e3\u8d85\u65f6\u3001587 \u7aef\u53e3\u80fd\u901a\uff0c\u5c31\u522b\u518d\u7b49\u4e3b\u673a\u5546\u89e3\u5c01\uff0c\u76f4\u63a5\u5728\u5e94\u7528\u5c42\u6539\u9053\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/shared-hosting-25-smtp-port-check.webp\" alt=\"\u7528\u7f51\u7ebf\u6d4b\u8bd5\u4eea\u68c0\u67e5\u4e3b\u673a\u7aef\u53e3\u8fde\u901a\u6027\u7684\u7279\u5199\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u628a WordPress \u7684\u53d1\u4fe1\u5207\u5230\u4e2d\u7ee7<\/h2>\n<p>\u6539\u9053\u7684\u672c\u8d28\u662f\u628a\u201c\u672c\u673a\u6295\u9012\u201d\u6362\u6210\u201c\u8ba4\u8bc1\u540e\u4ea4\u7ed9\u4e2d\u7ee7\u6295\u9012\u201d\u3002\u4e2d\u7ee7\u670d\u52a1\u5546\u6821\u9a8c\u8d26\u53f7\u5bc6\u7801\u540e\u66ff\u4f60\u628a\u90ae\u4ef6\u9001\u5230\u5bf9\u65b9\u90ae\u4ef6\u670d\u52a1\u5668\uff0c\u65e2\u4e0d\u9700\u8981\u5f00\u653e\u5165\u7ad9\u7aef\u53e3\uff0c\u4e5f\u4e0d\u53d7 25 \u7aef\u53e3\u5c01\u9501\u5f71\u54cd\uff0c\u6539\u52a8\u53ea\u53d1\u751f\u5728\u5e94\u7528\u5c42\uff0c\u4e0d\u7528\u52a8\u7cfb\u7edf\u670d\u52a1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/shared-hosting-25-smtp-relay-path.webp\" alt=\"\u7f51\u7ad9\u901a\u8fc7\u4e2d\u7ee7\u670d\u52a1\u5668\u6295\u9012\u90ae\u4ef6\u7684\u94fe\u8def\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<h3>\u65b9\u5f0f\u4e00\uff1a\u7528\u63d2\u4ef6\u914d\u7f6e\uff0c\u9002\u5408\u4e0d\u60f3\u78b0\u4ee3\u7801\u7684\u7ad9\u70b9<\/h3>\n<p>\u88c5\u4e00\u4e2a SMTP \u63d2\u4ef6\u540e\u586b\u56db\u9879\uff1a\u4e2d\u7ee7\u5730\u5740\u3001\u7aef\u53e3\uff08\u5e38\u7528 587\uff0c\u52a0\u5bc6\u9009 STARTTLS\uff09\u3001\u53d1\u4fe1\u8d26\u53f7\u3001\u5e94\u7528\u4e13\u7528\u5bc6\u7801\u3002\u5bc6\u7801\u522b\u7528\u90ae\u7bb1\u767b\u5f55\u5bc6\u7801\uff0c\u4e3b\u6d41\u90ae\u7bb1\u90fd\u63d0\u4f9b\u53ef\u5355\u72ec\u540a\u9500\u7684\u5e94\u7528\u5bc6\u7801\uff0c\u6cc4\u9732\u65f6\u5f71\u54cd\u9762\u5c0f\u5f97\u591a\u3002<\/p>\n<p>\u7ad9\u70b9\u6709\u672c\u5730\u3001\u6d4b\u8bd5\u3001\u751f\u4ea7\u591a\u5957\u73af\u5883\u65f6\uff0c\u5efa\u8bae\u5728 <code>wp-config.php<\/code> \u7528\u5e38\u91cf\u56fa\u5b9a\uff0c\u7701\u5f97\u6bcf\u6b21\u8fc1\u79fb\u91cd\u586b\uff1a<\/p>\n<pre><code class=\"language-php\">define('WPMS_ON', true);\ndefine('WPMS_SMTP_HOST', 'smtp.yourprovider.com');\ndefine('WPMS_SMTP_PORT', 587);\ndefine('WPMS_SSL', 'tls');\ndefine('WPMS_SMTP_AUTH', true);\ndefine('WPMS_SMTP_USER', 'no-reply@yourdomain.com');\ndefine('WPMS_SMTP_PASS', 'app-specific-password');\ndefine('WPMS_MAIL_FROM', 'no-reply@yourdomain.com');\ndefine('WPMS_MAIL_FROM_FORCE', true);\ndefine('WPMS_MAIL_FROM_NAME', 'Your Site Name');\ndefine('WPMS_MAILER', 'smtp');\n<\/code><\/pre>\n<p><code>WPMS_MAIL_FROM_FORCE<\/code> \u8fd9\u4e00\u884c\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u3002WordPress \u9ed8\u8ba4\u53d1\u4ef6\u5730\u5740\u662f <code>wordpress@\u4f60\u7684\u57df\u540d<\/code>\uff0c\u591a\u6570\u4e2d\u7ee7\u8981\u6c42\u53d1\u4fe1\u8d26\u53f7\u4e0e From \u4e00\u81f4\uff0c\u5426\u5219\u62a5 <code>550 Sender address rejected<\/code>\uff0c\u5f3a\u5236\u7edf\u4e00\u4e4b\u540e\u8fd9\u7c7b\u9000\u4fe1\u4f1a\u7acb\u523b\u6d88\u5931\u3002<\/p>\n<h3>\u65b9\u5f0f\u4e8c\uff1a\u4e0d\u88c5\u63d2\u4ef6\uff0c\u7528 mu-plugin \u63a5\u7ba1 PHPMailer<\/h3>\n<p>\u88c5\u4e86\u591a\u4e2a\u8868\u5355\u3001\u901a\u77e5\u7c7b\u63d2\u4ef6\u4e4b\u540e\uff0c\u63d2\u4ef6\u51b2\u7a81\u662f\u5171\u4eab\u4e3b\u673a\u4e0a\u7684\u5e38\u89c1\u9ebb\u70e6\u3002\u66f4\u5e72\u51c0\u7684\u505a\u6cd5\u662f\u628a\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u653e\u8fdb <code>wp-content\/mu-plugins\/smtp-relay.php<\/code>\uff1amu-plugin \u81ea\u52a8\u52a0\u8f7d\u3001\u4f18\u5148\u7ea7\u9ad8\u4e8e\u666e\u901a\u63d2\u4ef6\uff0c\u4e5f\u4e0d\u9700\u8981\u6fc0\u6d3b\u3002<\/p>\n<pre><code class=\"language-php\">&lt;?php\nadd_action('phpmailer_init', function ($phpmailer) {\n    $phpmailer-&gt;isSMTP();\n    $phpmailer-&gt;Host       = 'smtp.yourprovider.com';\n    $phpmailer-&gt;Port       = 587;\n    $phpmailer-&gt;SMTPAuth   = true;\n    $phpmailer-&gt;Username   = 'no-reply@yourdomain.com';\n    $phpmailer-&gt;Password   = 'app-specific-password';\n    $phpmailer-&gt;SMTPSecure = 'tls';\n    $phpmailer-&gt;From       = 'no-reply@yourdomain.com';\n    $phpmailer-&gt;FromName   = 'Your Site Name';\n});\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u53ea\u5f71\u54cd WordPress \u81ea\u8eab\u7684\u90ae\u4ef6\u3002\u7ad9\u70b9\u82e5\u8fd8\u8dd1\u7740\u72ec\u7acb PHP \u811a\u672c\uff08\u8ba2\u5355\u901a\u77e5\u3001\u5b9a\u65f6\u62a5\u8868\uff09\uff0c\u5b83\u4eec\u4e0d\u8d70\u8fd9\u4e2a\u94a9\u5b50\u3002\u81f3\u4e8e\u8981\u4e0d\u8981\u5e72\u8106\u628a\u53d1\u4fe1\u4ea4\u7ed9\u4e00\u53f0\u81ea\u5df1\u7684\u90ae\u4ef6\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u5bf9\u7167 <a href=\"https:\/\/cn.hostease.com\/blog\/tutorials\/vps-mail-server-setup\/\">VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u90ae\u4ef6\u670d\u52a1\u5668\u642d\u5efa\u6307\u5357<\/a> \u8bc4\u4f30\uff1a\u53ef\u63a7\u6027\u66f4\u9ad8\uff0c\u4f46 IP \u4fe1\u8a89\u3001\u53cd\u5411\u89e3\u6790\u548c\u9ed1\u540d\u5355\u7533\u8bc9\u90fd\u8981\u81ea\u5df1\u625b\u3002<\/p>\n<h3>\u65b9\u5f0f\u4e09\uff1a\u7528 msmtp \u63a5\u7ba1 sendmail \u8def\u5f84<\/h3>\n<p>\u5171\u4eab\u4e3b\u673a\u4e00\u822c\u5141\u8bb8\u5728\u7528\u6237\u76ee\u5f55\u653e\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u4f46\u672a\u5fc5\u7ed9 root\uff0c\u8fd9\u65f6 msmtp \u6700\u7701\u4e8b\uff1a\u5b83\u628a\u5bf9 <code>sendmail<\/code> \u7684\u8c03\u7528\u8f6c\u6210\u4e00\u6b21\u8ba4\u8bc1\u7684\u4e2d\u7ee7\u6295\u9012\u3002\u5148\u5199\u597d <code>~\/.msmtprc<\/code>\uff0c\u6743\u9650\u8bbe\u6210 600\uff0c\u5426\u5219 msmtp \u4f1a\u62d2\u7edd\u8bfb\u53d6\uff1a<\/p>\n<pre><code class=\"language-ini\">defaults\nauth           on\ntls            on\ntls_starttls   on\ntls_trust_file \/etc\/ssl\/certs\/ca-certificates.crt\nlogfile        ~\/.msmtp.log\n\naccount        relay\nhost           smtp.yourprovider.com\nport           587\nfrom           no-reply@yourdomain.com\nuser           no-reply@yourdomain.com\npassword       app-specific-password\n\naccount default : relay\n<\/code><\/pre>\n<p>\u63a5\u7740\u628a PHP \u7684 <code>sendmail_path<\/code> \u6307\u8fc7\u53bb\uff1a\u9762\u677f\u80fd\u6539 <code>php.ini<\/code> \u5c31\u76f4\u63a5\u5199 <code>sendmail_path = \"\/home\/\u8d26\u53f7\/bin\/msmtp -t -i\"<\/code>\uff1b\u4e0d\u5f00\u653e\u5c31\u7528 <code>.user.ini<\/code> \u8986\u76d6\uff0c\u6ce8\u610f\u5b83\u53ea\u5bf9 PHP-FPM \u751f\u6548\uff0c\u5e76\u4e14\u8981\u7b49\u4e00\u4e2a <code>user_ini.cache_ttl<\/code> \u5468\u671f\uff08\u9ed8\u8ba4 300 \u79d2\uff09\u624d\u5237\u65b0\u3002<\/p>\n<p>\u7528\u547d\u4ee4\u884c\u76f4\u53d1\u4e00\u6b21\uff0c\u80fd\u7acb\u523b\u5206\u6e05\u201c\u811a\u672c\u6ca1\u88ab\u8c03\u7528\u201d\u548c\u201c\u4e2d\u7ee7\u62d2\u6536\u201d\uff1a<\/p>\n<pre><code class=\"language-bash\">printf &quot;Subject: relay test\\nFrom: no-reply@yourdomain.com\\nTo: you@example.com\\n\\nhello\\n&quot; | msmtp -v you@example.com\n<\/code><\/pre>\n<p>\u770b\u5230 <code>250 2.0.0 Ok: queued as ...<\/code> \u8bf4\u660e\u4e2d\u7ee7\u5df2\u63a5\u6536\uff1b\u62a5 <code>authentication failed<\/code> \u662f\u8d26\u53f7\u6216\u5e94\u7528\u5bc6\u7801\u7684\u95ee\u9898\uff1b\u62a5 TLS \u9519\u8bef\u591a\u534a\u662f\u7f3a CA \u8bc1\u4e66\u5305\u3002\u771f\u8981\u81ea\u5efa\u53d1\u4fe1\uff0c\u7b7e\u540d\u7ec6\u8282\uff08selector \u8f6e\u6362\u3001\u53cd\u5411\u89e3\u6790\u4e0e <code>include<\/code> \u7684\u914d\u5408\uff09\u53ef\u4ee5\u5bf9\u7167 <a href=\"https:\/\/cn.hostease.com\/blog\/linux\/postfix-spf-dkim-dmarc-practical\/\">Postfix \u4e0e SPF\u3001DKIM\u3001DMARC \u5b9e\u6218\u914d\u7f6e<\/a> \u9010\u9879\u6838\u5bf9\u3002<\/p>\n<h2>\u9001\u8fbe\u9a8c\u8bc1\uff1a\u4ece\u89e3\u6790\u8bb0\u5f55\u770b\u5230\u8fbe\u6536\u4ef6\u7bb1<\/h2>\n<p>\u4e2d\u7ee7\u6536\u4e0b\u90ae\u4ef6\uff0c\u4e0d\u7b49\u4e8e\u6536\u4ef6\u4eba\u80fd\u770b\u5230\u90ae\u4ef6\u3002\u51b3\u5b9a\u5b83\u843d\u8fdb\u6536\u4ef6\u7bb1\u8fd8\u662f\u5783\u573e\u7bb1\u7684\uff0c\u662f\u6536\u4ef6\u65b9\u7684 SPF\u3001DKIM\u3001DMARC \u4e09\u9879\u6821\u9a8c\u3002\u6362\u4e2d\u7ee7\u540e\u53d1\u4fe1 IP \u53d8\u6210\u670d\u52a1\u5546\u7684\u5730\u5740\u6bb5\uff0cSPF \u91cc\u82e5\u8fd8\u53ea\u6709\u539f\u6765\u90a3\u53f0\u4e3b\u673a\uff0c\u6821\u9a8c\u5fc5\u7136\u5931\u8d25\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/shared-hosting-25-smtp-delivery-check.webp\" alt=\"\u90ae\u4ef6\u8fdb\u5165\u6536\u4ef6\u7bb1\u4e0e\u843d\u5165\u5783\u573e\u7bb1\u7684\u5bf9\u6bd4\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<p>\u8fd9\u5957\u68c0\u67e5\u5efa\u8bae\u56fa\u5b9a\u4e0b\u6765\uff0c\u6bcf\u6b21\u6362\u4e2d\u7ee7\u6216\u6362\u53d1\u4fe1\u57df\u540d\u90fd\u91cd\u8dd1\u4e00\u904d\uff1a<\/p>\n<ul>\n<li>SPF\uff1a<code>dig +short TXT \u57df\u540d<\/code> \u5e94\u770b\u5230 <code>v=spf1 include:\u4e2d\u7ee7\u57df\u540d -all<\/code>\uff1b\u4e00\u6761\u8bb0\u5f55\u91cc\u51fa\u73b0\u4e24\u4e2a <code>v=spf1<\/code> \u4f1a\u76f4\u63a5\u5224\u5b9a\u5931\u8d25\u3002<\/li>\n<li>DKIM\uff1a<code>dig +short TXT selector._domainkey.\u57df\u540d<\/code> \u80fd\u8fd4\u56de\u516c\u94a5\u624d\u8bf4\u660e\u7b7e\u540d\u53ef\u7528\uff0cselector \u7528\u670d\u52a1\u5546\u7ed9\u7684\u540d\u5b57\u3002<\/li>\n<li>DMARC\uff1a\u81f3\u5c11\u5148\u6709 <code>v=DMARC1; p=none<\/code>\uff0c\u89c2\u5bdf\u4e24\u5468\u518d\u4ece <code>quarantine<\/code> \u5f80\u4e0a\u6536\u7d27\uff0c\u907f\u514d\u8bef\u4f24\u6b63\u5e38\u4e1a\u52a1\u90ae\u4ef6\u3002<\/li>\n<li>\u90ae\u4ef6\u5934\uff1a\u5bfc\u51fa\u6536\u5230\u7684\u539f\u6587\uff0c\u641c <code>Authentication-Results<\/code>\uff0c\u4e09\u9879\u90fd\u662f pass \u624d\u7b97\u94fe\u8def\u5e72\u51c0\u3002<\/li>\n<li>\u771f\u5b9e\u6295\u9012\uff1a\u7ed9 Gmail\u3001Outlook \u5404\u53d1\u4e00\u5c01\uff0c\u4e24\u8fb9\u90fd\u8fdb\u6536\u4ef6\u7bb1\u518d\u4e0a\u7ebf\u3002<\/li>\n<\/ul>\n<p>DMARC \u7684\u5bf9\u9f50\u68c0\u67e5\u770b\u7684\u662f From \u5934\u91cc\u7684\u57df\u540d\uff0c\u4e0d\u662f\u4fe1\u5c01\u53d1\u4ef6\u4eba\u3002\u7528\u4e2d\u7ee7\u4ee3\u53d1\u65f6 From \u82e5\u5199\u6210\u4e2d\u7ee7\u57df\u540d\uff0cSPF \u8fc7\u4e86\u5bf9\u9f50\u7167\u6837\u5931\u8d25\uff0c\u6240\u4ee5 From \u5fc5\u987b\u662f\u4f60\u81ea\u5df1\u7684\u57df\u540d\uff0c\u8d26\u53f7\u53ea\u662f\u767b\u5f55\u51ed\u636e\u3002<\/p>\n<h2>\u56db\u4e2a\u6700\u5e38\u89c1\u7684\u8fd4\u5de5\u70b9<\/h2>\n<ul>\n<li>\u7aef\u53e3\u4e0e\u52a0\u5bc6\u65b9\u5f0f\u914d\u9519\u3002587 \u914d SSL\uff08\u5b89\u5168\u4f20\u8f93\u534f\u8bae\uff0c\u9690\u5f0f\u52a0\u5bc6\uff09\u4f1a\u4e00\u76f4\u6302\u5230\u8d85\u65f6\uff0c\u6b63\u786e\u7684\u662f 587 \u914d <code>tls<\/code>\uff08STARTTLS\uff09\uff0c465 \u624d\u914d\u9690\u5f0f\u52a0\u5bc6\uff1b\u8868\u73b0\u662f\u201c\u6ca1\u62a5\u9519\uff0c\u53ea\u662f\u5f88\u6162\u7136\u540e\u5931\u8d25\u201d\u3002<\/li>\n<li>\u53d1\u4ef6\u5730\u5740\u4e0e\u767b\u5f55\u8d26\u53f7\u4e0d\u4e00\u81f4\u3002\u4e2d\u7ee7\u666e\u904d\u6821\u9a8c\u4fe1\u5c01\u53d1\u4ef6\u4eba\uff0c\u62a5\u9519\u5e38\u89c1 <code>550 Sender address rejected<\/code>\uff0c\u6539\u6210\u540c\u4e00\u4e2a\u5730\u5740\u5373\u53ef\uff0c\u4e0d\u5fc5\u6362\u670d\u52a1\u5546\u3002<\/li>\n<li>\u8868\u5355\u63d2\u4ef6\u81ea\u5e26\u4e00\u5957\u53d1\u4fe1\u8bbe\u7f6e\u3002\u5b83\u4f18\u5148\u7ea7\u9ad8\u4e8e\u5168\u5c40\u914d\u7f6e\uff0c\u7ed3\u679c\u662f\u201c\u6d4b\u8bd5\u90ae\u4ef6\u80fd\u6536\u5230\u3001\u5ba2\u6237\u586b\u8868\u6536\u4e0d\u5230\u201d\uff0c\u6392\u67e5\u5148\u770b\u63d2\u4ef6\u81ea\u5df1\u7684\u90ae\u4ef6\u8bbe\u7f6e\u9875\u3002<\/li>\n<li>SPF \u8bb0\u5f55\u53e0\u52a0\u8fc7\u591a\u3002\u4e00\u6b21\u6821\u9a8c\u6700\u591a 10 \u6b21 DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u67e5\u8be2\uff0c\u6bcf\u591a\u4e00\u4e2a <code>include<\/code> \u591a\u4e00\u6b21\uff0c\u8d85\u51fa\u540e\u8fd4\u56de <code>permerror<\/code>\uff0c\u6536\u4ef6\u65b9\u6309\u5931\u8d25\u5904\u7406\u3002<\/li>\n<\/ul>\n<p>\u4e00\u4e2a\u5916\u8d38\u7ad9\u70b9\u7684\u4f8b\u5b50\uff1a\u65e5\u5747\u53d1\u51fa 200 \u591a\u5c01\u8be2\u76d8\u901a\u77e5\uff0c\u7ea6\u4e09\u6210\u5ba2\u6237\u56de\u4fe1\u6536\u4e0d\u5230\u3002\u8fd0\u7ef4\u5148\u6000\u7591\u5c01\u7aef\u53e3\uff0c\u6362\u4e2d\u7ee7\u540e\u4ecd\u6709\u9000\u4fe1\uff0c\u6700\u540e\u67e5\u5230\u662f\u8868\u5355\u63d2\u4ef6\u8986\u76d6\u4e86\u5168\u5c40\u8bbe\u7f6e\u3001SPF \u5806\u4e86\u516d\u4e2a <code>include<\/code> \u89e6\u53d1\u67e5\u8be2\u4e0a\u9650\u3002\u4e24\u5904\u6539\u5b8c\uff0c\u9000\u4fe1\u7387\u4ece 12% \u964d\u5230\u4e0d\u8db3 1%\u3002<\/p>\n<h2>\u4ec0\u4e48\u60c5\u51b5\u4e0b\u8be5\u6362\u65b9\u6848\uff0c\u800c\u4e0d\u662f\u7ee7\u7eed\u8c03\u914d\u7f6e<\/h2>\n<p>\u4e2d\u7ee7\u80fd\u89e3\u51b3\u201c\u53d1\u4e0d\u51fa\u53bb\u201d\uff0c\u89e3\u51b3\u4e0d\u4e86\u201c\u53d1\u5f97\u592a\u591a\u201d\u3002\u591a\u6570\u5171\u4eab\u4e3b\u673a\u6709\u660e\u786e\u7684\u53d1\u4fe1\u91cf\u9650\u5236\uff0c\u5e38\u89c1\u533a\u95f4\u662f\u6bcf\u5c0f\u65f6 200 \u5230 500 \u5c01\uff0c\u8d85\u51fa\u540e\u8981\u4e48\u6392\u961f\u5ef6\u8fdf\uff0c\u8981\u4e48\u76f4\u63a5\u88ab\u9650\u6d41\u3002\u51fa\u73b0\u4e0b\u9762\u8fd9\u4e9b\u4fe1\u53f7\uff0c\u74f6\u9888\u5df2\u7ecf\u4e0d\u5728 25 \u7aef\u53e3\uff1a<\/p>\n<ul>\n<li>\u6bcf\u5c0f\u65f6\u53d1\u4fe1\u91cf\u8d34\u8fd1\u4e0a\u9650\uff0c\u901a\u77e5\u90ae\u4ef6\u5ef6\u8fdf\u5341\u51e0\u5206\u949f\u624d\u5230\uff0c\u8bf4\u660e\u914d\u989d\u4e0d\u591f\u7528\u4e86\u3002<\/li>\n<li>\u9700\u8981\u5728\u540c\u4e00\u53f0\u4e3b\u673a\u4e0a\u8dd1\u90ae\u4ef6\u5217\u8868\u6216\u6279\u91cf\u901a\u77e5\uff0c\u8fdb\u7a0b\u4e0e\u8fde\u63a5\u6570\u9650\u5236\u4f1a\u5148\u649e\u5899\u3002<\/li>\n<li>\u4e1a\u52a1\u8981\u6c42\u56fa\u5b9a\u53d1\u4fe1 IP \u4f9b\u5bf9\u65b9\u505a\u767d\u540d\u5355\uff0c\u800c\u5171\u4eab\u4e3b\u673a\u7684\u51fa\u53e3\u5730\u5740\u5e76\u4e0d\u56fa\u5b9a\u3002<\/li>\n<li>\u7ad9\u70b9\u4ece\u5355\u4e00\u7f51\u7ad9\u6269\u6210\u591a\u7ad9\uff0c\u5171\u4eab\u4e3b\u673a\u7684\u9694\u79bb\u80fd\u529b\u5f00\u59cb\u6210\u4e3a\u98ce\u9669\u70b9\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u60c5\u51b5\u4e0b\u7ee7\u7eed\u5728\u63d2\u4ef6\u5c42\u5fae\u8c03\u6536\u76ca\u5f88\u4f4e\uff0c\u66f4\u5408\u7406\u7684\u662f\u5347\u7ea7\u5230\u8d44\u6e90\u72ec\u7acb\u7684\u65b9\u6848\u3002\u5148\u770b <a href=\"https:\/\/cn.hostease.com\/shared-hosting.html\">Hostease \u5171\u4eab\u4e3b\u673a\u65b9\u6848<\/a> \u7684\u914d\u989d\u8bf4\u660e\uff0c\u5224\u65ad\u73b0\u6709\u5957\u9910\u8fd8\u6709\u591a\u5c11\u4f59\u91cf\uff1b\u53d1\u4fe1\u91cf\u4e0e\u5e76\u53d1\u90fd\u63a5\u8fd1\u4e0a\u9650\u65f6\uff0c\u8fc1\u5230\u72ec\u7acb\u8d44\u6e90\u66f4\u7a33\u3002\u8fc1\u79fb\u5f53\u5929\u7684\u987a\u5e8f\u53ef\u4ee5\u6309 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/migration-dns-ssl-mail-checklist\/\">\u7f51\u7ad9\u8fc1\u79fb\u540e DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u4e0e\u90ae\u4ef6\u8054\u52a8\u68c0\u67e5\u6e05\u5355<\/a> \u8d70\uff0c\u907f\u514d\u7f51\u7ad9\u548c\u90ae\u4ef6\u4e00\u8d77\u4e2d\u65ad\u3002<\/p>\n<h2>\u603b\u7ed3\uff1a\u628a 25 \u7aef\u53e3\u95ee\u9898\u5f53\u6210\u4e00\u6b21\u53d1\u4fe1\u8def\u5f84\u7684\u91cd\u6784<\/h2>\n<p>\u5171\u4eab\u4e3b\u673a\u9650\u5236\u51fa\u7ad9 25 \u7aef\u53e3\u662f\u884c\u4e1a\u60ef\u4f8b\uff0c\u8ddf\u4e3b\u673a\u5546\u4e89\u8bba\u89e3\u5c01\uff0c\u901a\u5e38\u4e0d\u5982\u76f4\u63a5\u6539\u9053\u3002\u8981\u505a\u7684\u4e8b\u53ea\u6709\u4e09\u6b65\uff1a\u7528 <code>nc<\/code> \u548c <code>openssl<\/code> \u786e\u8ba4\u963b\u585e\u53d1\u751f\u5728\u54ea\u4e00\u5c42\uff0c\u628a\u53d1\u4fe1\u5207\u5230 587 \u7aef\u53e3\u7684\u8ba4\u8bc1\u4e2d\u7ee7\uff0c\u518d\u62ff SPF\u3001DKIM\u3001DMARC 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