diff --git a/en_US/faq/file.locations.md b/en_US/faq/file.locations.md
index badcb8c7..dd441871 100644
--- a/en_US/faq/file.locations.md
+++ b/en_US/faq/file.locations.md
@@ -145,11 +145,18 @@ Amavisd is configured to log to [Postfix log file](#postfix) by iRedMail.
 
 Main config file:
 
-* RHEL/CentOS: `/etc/policyd/cluebringer.conf`, `/etc/policyd/webui.confi (web admin panel).
+* RHEL/CentOS: `/etc/policyd/cluebringer.conf`, `/etc/policyd/webui.conf` (web admin panel).
 * Debian/Ubuntu: `/etc/cluebringer/cluebringer.conf`, `/etc/cluebringer/cluebringer-webui.conf` (web admin panel).
 * FreeBSD: `/usr/local/etc/cluebringer.conf`, `/usr/local/etc/apache24/cluebringer.conf` (web admin panel).
 * OpenBSD: Not applicable, cluebringer is not available on OpenBSD.
 
+Init script:
+
+* RHEL/CentOS: `/etc/init.d/cbpolicyd`
+* Debian/Ubuntu: `/etc/init.d/postfix-cluebringer`
+* FreeBSD: `/usr/local/etc/rc.d/cluebringer`
+* OpenBSD: N/A. we don't have Cluebringer installed on OpenBSD.
+
 ## Fail2ban
 
 * Main config file is `/etc/fail2ban/jail.local`. All custom settings should be
diff --git a/en_US/howto/disable.greylisting.md b/en_US/howto/disable.greylisting.md
new file mode 100644
index 00000000..82734e59
--- /dev/null
+++ b/en_US/howto/disable.greylisting.md
@@ -0,0 +1,14 @@
+# Disable greylisting in Cluebringer
+
+* Find Cluebringer config file `cluebringer.conf` on your server with this
+  document: [Locations of configuration and log files of mojor components](./file.locations.html#cluebringer)
+
+* Find below lines in `cluebringer.conf`:
+
+```
+[Greylisting]
+enable=1
+```
+
+To disable gryelisting, please change `enabled=1` to `enabled=0`, then restart
+Cluebringer service.
diff --git a/html/disable.greylisting.html b/html/disable.greylisting.html
new file mode 100644
index 00000000..34ed4476
--- /dev/null
+++ b/html/disable.greylisting.html
@@ -0,0 +1,37 @@
+<html>
+    <head>
+        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+        <title>Disable greylisting in Cluebringer</title>
+        <link href="./css/markdown.css" rel="stylesheet"></head>
+    </head>
+    <body>
+    
+    <div id="navigation">
+        <a href="http://www.iredmail.org" target="_blank">iRedMail web site</a>
+    
+        // <a href="./index.html">Document Index</a>
+    </div><h1 id="disable-greylisting-in-cluebringer">Disable greylisting in Cluebringer</h1>
+<ul>
+<li>
+<p>Find Cluebringer config file <code>cluebringer.conf</code> on your server with this
+  document: <a href="./file.locations.html#cluebringer">Locations of configuration and log files of mojor components</a></p>
+</li>
+<li>
+<p>Find below lines in <code>cluebringer.conf</code>:</p>
+</li>
+</ul>
+<pre><code>[Greylisting]
+enable=1
+</code></pre>
+
+<p>To disable gryelisting, please change <code>enabled=1</code> to <code>enabled=0</code>, then restart
+Cluebringer service.</p><p style="text-align: center; color: grey;">Document published under a <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">CC BY-ND 3.0</a> license. If you found something wrong, please do <a href="http://www.iredmail.org/contact.html">contact us</a> to fix it.<script>
+  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+  ga('create', 'UA-3293801-21', 'auto');
+  ga('send', 'pageview');
+</script>
+</body></html>
\ No newline at end of file
diff --git a/html/file.locations.html b/html/file.locations.html
index 979be383..967768d1 100644
--- a/html/file.locations.html
+++ b/html/file.locations.html
@@ -187,11 +187,18 @@ on Debian/Ubuntu.</p>
 <h2 id="cluebringer">Cluebringer</h2>
 <p>Main config file:</p>
 <ul>
-<li>RHEL/CentOS: <code>/etc/policyd/cluebringer.conf</code>, `/etc/policyd/webui.confi (web admin panel).</li>
+<li>RHEL/CentOS: <code>/etc/policyd/cluebringer.conf</code>, <code>/etc/policyd/webui.conf</code> (web admin panel).</li>
 <li>Debian/Ubuntu: <code>/etc/cluebringer/cluebringer.conf</code>, <code>/etc/cluebringer/cluebringer-webui.conf</code> (web admin panel).</li>
 <li>FreeBSD: <code>/usr/local/etc/cluebringer.conf</code>, <code>/usr/local/etc/apache24/cluebringer.conf</code> (web admin panel).</li>
 <li>OpenBSD: Not applicable, cluebringer is not available on OpenBSD.</li>
 </ul>
+<p>Init script:</p>
+<ul>
+<li>RHEL/CentOS: <code>/etc/init.d/cbpolicyd</code></li>
+<li>Debian/Ubuntu: <code>/etc/init.d/postfix-cluebringer</code></li>
+<li>FreeBSD: <code>/usr/local/etc/rc.d/cluebringer</code></li>
+<li>OpenBSD: N/A. we don't have Cluebringer installed on OpenBSD.</li>
+</ul>
 <h2 id="fail2ban">Fail2ban</h2>
 <ul>
 <li>
diff --git a/html/index.html b/html/index.html
index 6c285670..32538012 100644
--- a/html/index.html
+++ b/html/index.html
@@ -83,6 +83,7 @@ repository</a>.</p>
 <li><a href="amavisd.per-recipient.policy.lookup.html">Amavisd: Enable per-recipient policy lookup</a></li>
 <li><a href="change.server.hostname.html">Change server hostname</a></li>
 <li><a href="concurrent.processing.html">Process more emails concurrently</a></li>
+<li><a href="disable.greylisting.html">Disable greylisting in Cluebringer</a></li>
 <li><a href="dovecot.master.user.html">Dovecot Master User</a></li>
 <li><a href="enable.dnsbl.html">Enable DNSBL service in Postfix to reduce spam</a></li>
 <li><a href="enable.postscreen.html">Enable postscreen service</a></li>
