diff --git a/howto/1-sign.dkim.signature.for.new.domain.md b/howto/1-sign.dkim.signature.for.new.domain.md
index 8a39cc10..ce6fc4f6 100644
--- a/howto/1-sign.dkim.signature.for.new.domain.md
+++ b/howto/1-sign.dkim.signature.for.new.domain.md
@@ -1,5 +1,7 @@
 # Sign DKIM signature on outgoing emails for new mail domain
 
+[TOC]
+
 > Don't know where Amavisd config file is? check this tutorial:
 > [Locations of configuration and log files of mojor components](file.locations.html#amavisd).
 
diff --git a/html/sign.dkim.signature.for.new.domain.html b/html/sign.dkim.signature.for.new.domain.html
index fa57b603..b6fe8598 100644
--- a/html/sign.dkim.signature.for.new.domain.html
+++ b/html/sign.dkim.signature.for.new.domain.html
@@ -11,6 +11,17 @@
     
         // <a href="./index.html">Document Index</a>
     </div><h1 id="sign-dkim-signature-on-outgoing-emails-for-new-mail-domain">Sign DKIM signature on outgoing emails for new mail domain</h1>
+<div class="toc">
+<ul>
+<li><a href="#sign-dkim-signature-on-outgoing-emails-for-new-mail-domain">Sign DKIM signature on outgoing emails for new mail domain</a><ul>
+<li><a href="#use-existing-dkim-key-for-new-mail-domain">Use existing DKIM key for new mail domain</a></li>
+<li><a href="#generate-new-dkim-key-for-new-mail-domain">Generate new DKIM key for new mail domain</a></li>
+<li><a href="#use-one-dkim-key-for-all-mail-domains-without-updating-amavisd-config-file">Use one DKIM key for all mail domains without updating Amavisd config file</a></li>
+<li><a href="#see-also">See also</a></li>
+</ul>
+</li>
+</ul>
+</div>
 <blockquote>
 <p>Don't know where Amavisd config file is? check this tutorial:
 <a href="file.locations.html#amavisd">Locations of configuration and log files of mojor components</a>.</p>