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<h1 id="amavisd-spamassassin-x-spam-">Amavisd + SpamAssassin 无效,邮件头无 X-Spam-* 信息插入</h1>
<p>在 Amavisd 的配置文件 <code>/etc/amavisd/amavisd.conf</code> 中有如下默认设置:</p>
<pre><code>$sa_tag_level_deflt = 2.0;
</code></pre>
<p>该设置表示 Amavisd 在邮件评分 &gt;= 2.0 时会在邮件头mail header里插入
<code>X-Spam-Flag</code> 及其它的 <code>X-Spam-*</code> 信息。要让 Amavisd 总是插入 <code>X-Spam-*</code> 邮件头,
将上面的参数设成一个更低的值即可。例如:</p>
<pre><code>$sa_tag_level_deflt = -999;
</code></pre>
<p>修改后需要重启 Amavisd 服务。</p>
<p>Amavisd 的主配置文件在不同的 Linux/BSD 系统上路径不同:</p>
<ul>
<li>Red Hat, CentOS, OpenBSD: <code>/etc/amavisd/amavisd.conf</code></li>
<li>Debian, Ubuntu: <code>/etc/amavis/conf.d/50-user</code> (其它配置文件均在 <code>/etc/amavs/conf.d/</code> 目录下)</li>
<li>FreeBSD: <code>/usr/local/etc/amavisd/amavisd.conf</code></li>
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