Prepare Mail section

Doc/Sdi/mail.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<chapter version="5.0" xml:id="sdiMail" xmlns="http://docbook.org/ns/docbook"
+         xmlns:xlink="http://www.w3.org/1999/xlink"
+         xmlns:xi="http://www.w3.org/2001/XInclude"
+         xmlns:svg="http://www.w3.org/2000/svg"
+         xmlns:m="http://www.w3.org/1998/Math/MathML"
+         xmlns:html="http://www.w3.org/1999/xhtml"
+         xmlns:db="http://docbook.org/ns/docbook">
+  <title>Mail</title>
+
+  <section xml:id="sdiMailPrepare">
+    <title>Recommended Preparations</title>
+
+    <para>XXXl</para>
+  </section>
+
+  <section xml:id="sdiMailExercises">
+    <title>Exercises</title>
+
+    <para>Our aim is to set up an <acronym>LDAP</acronym> Server being
+    populated with thew following company structure of organisational units
+    and persons:</para>
+
+    <section xml:id="sdiMailBlah">
+      <title>Blah Blah</title>
+
+      <para>Before ...</para>
+    </section>
+  </section>
+</chapter>

Doc/lectures.xml

@@ -129,6 +129,8 @@
 
     <xi:include href="Sdi/samba.xml" xpointer="element(/1)"/>
 
+    <xi:include href="Sdi/mail.xml" xpointer="element(/1)"/>
+
     <xi:include href="Sdi/surveillance.xml" xpointer="element(/1)"/>
   </part>