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<title>允许用户无需身份验证发送邮件</title>
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<h1 id="_1">允许用户无需身份验证发送邮件</h1>
<p>创建文本文件 <code>/etc/postfix/accepted_unauth_senders</code>,列出无需身份验证就可以
发送邮件的用户邮件地址。下面以用户 <code>user@example.com</code> 为例:</p>
<pre><code>user@example.com OK
</code></pre>
<p>使用 <code>postmap</code> 命令建立哈希数据库文件:</p>
<pre><code># postmap hash:/etc/postfix/accepted_unauth_senders
</code></pre>
<p>修改 Postfix 配置文件 <code>/etc/postfix/main.cf</code> 以使用该文件:</p>
<pre><code>smtpd_sender_restrictions =
check_sender_access hash:/etc/postfix/accepted_unauth_senders,
[...OTHER RESTRICTIONS HERE...]
</code></pre>
<p>重启 postfix 服务以使设置生效:</p>
<pre><code># /etc/init.d/postfix restart
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