Typo in en_US/howto/enable.dnsbl.md.

TODO.md

@@ -10,7 +10,3 @@
 * http://www.iredmail.org/wiki/index.php?title=IRedMail/FAQ/Send.out.email.from.specified.IP.address
 * http://www.iredmail.org/forum/topic1968-enabling-ipv6-for-your-iredmail-postfixdovecot.html
 * http://www.iredmail.org/forum/topic210-iredmail-support-faq-how-to-enable-signing-disclaimer-on-outgoing-mails.html
-
-* Update iRedMail installation document to use loopback interface in FreeBSD
-  Jail, so that we don't need `LOCAL_ADDRESS=` while launching iRedMail installer:
-  https://www.freebsd.org/doc/handbook/jails-ezjail.html

convert.sh

@@ -176,7 +176,9 @@ for lang in ${all_languages}; do
         _links_md="${chapter_dir}/_links.md"
 
         if [ -f ${_links_md} ]; then
+            echo '' >> ${INDEX_MD}
             cat ${_links_md} >> ${INDEX_MD}
+            echo '' >> ${INDEX_MD}
         fi
     done
 

en_US/howto/enable.dnsbl.md

@@ -15,7 +15,10 @@ You can enable additional DNSBL services in Postfix to reduce spam. We use
 Final setting looks like below:
 
 ```
-smtpd_recipient_restrictions = ..., reject_unauth_destination, reject_rbl_client zen.spamhaus.org
+smtpd_recipient_restrictions =
+    ...
+    reject_unauth_destination
+    reject_rbl_client zen.spamhaus.org
 ```
 
 It must be placed after `reject_unauth_destination`. You can add more DNSBL
@@ -24,6 +27,12 @@ specified order.
 
 * Restart or reload Postfix service is required.
 
+!!! note "Another popular DNSBL server"
+
+    Another popular DNSBL server address is `b.barracudacentral.org`. For more
+    details, please read its web site:
+    [Barracuda Reputation Block List (BRBL)](http://www.barracudacentral.org/rbl)
+
 ## See also
 
 * [Enable postscreen service](./enable.postscreen.html)

html/css/markdown.css

@@ -339,9 +339,6 @@ li { line-height: 26px; }
 	font-weight: bold;
 	display: block;
 	color: #fff;
-    /*
-    background: #6ab0de;
-    */
 	margin: -12px;
 	padding: 6px 12px;
 	margin-bottom: 12px

html/enable.dnsbl.html

@@ -24,7 +24,10 @@ DNS server speeds up the mail flow.</p>
 <code>reject_rbl_client zen.spamhaus.org</code> to parameter <code>smtpd_recipient_restrictions</code>.
 Final setting looks like below:</li>
 </ul>
-<pre><code>smtpd_recipient_restrictions = ..., reject_unauth_destination, reject_rbl_client zen.spamhaus.org
+<pre><code>smtpd_recipient_restrictions =
+    ...
+    reject_unauth_destination
+    reject_rbl_client zen.spamhaus.org
 </code></pre>
 
 <p>It must be placed after <code>reject_unauth_destination</code>. You can add more DNSBL
@@ -33,6 +36,12 @@ specified order.</p>
 <ul>
 <li>Restart or reload Postfix service is required.</li>
 </ul>
+<div class="admonition note">
+<p class="admonition-title">Another popular DNSBL server</p>
+<p>Another popular DNSBL server address is <code>b.barracudacentral.org</code>. For more
+details, please read its web site:
+<a href="http://www.barracudacentral.org/rbl">Barracuda Reputation Block List (BRBL)</a></p>
+</div>
 <h2 id="see-also">See also</h2>
 <ul>
 <li><a href="./enable.postscreen.html">Enable postscreen service</a></li>

html/index.html

@@ -128,7 +128,9 @@
 <h3 id="third-party-integrations">Third-party integrations</h3>
 <p>Below tutorials are maintained by iRedMail project.</p>
 <ul>
-<li><a href="active.directory.html">Integrate Microsoft Active Directory in iRedMail</a></li>
+<li>
+<p><a href="active.directory.html">Integrate Microsoft Active Directory in iRedMail</a></p>
+</li>
 <li>
 <p>Install SOGo groupware on:</p>
 <ul>