mail chapter

Doc/Sdi/mail.xml

@@ -41,7 +41,7 @@
       </listitem>
 
       <listitem>
-        <para xml:lang="de"><link xlink:href="???">Postfix einrichten und
+        <para xml:lang="de"><link xlink:href="http://www.admin-magazin.de/Online-Artikel/Postfix-einrichten-und-absichern">Postfix einrichten und
         absichern</link></para>
       </listitem>
 
@@ -126,7 +126,7 @@
     <section xml:id="sdiMailInstallSendLocalUsers">
       <title>Install and send to local Users</title>
 
-      <para>Install postfix. If asked use "No Configuration". Later it is
+      <para>Install postfix. If asked use "Internet site". Stay with the defaults. Later it is
       maybe needed to install extra postfix-* packages.</para>
 
       <programlisting language="none">apt-get install postfix</programlisting>
@@ -193,7 +193,7 @@
 
         <listitem>
           <para>install a <acronym>sasl</acronym> implementation
-          (<command>cyrus</command> or <command>dovecot</command>)</para>
+          (look at <command>dovecot</command>)</para>
 
           <itemizedlist>
             <listitem>
@@ -297,14 +297,9 @@
     </section>
 
     <section xml:id="sdiSectSpamVirusDefense">
-      <title>Spam and Virus defense (optional)</title>
+      <title>Spam and Virus defense</title>
 
       <para><itemizedlist>
-          <listitem>
-            <para>Because we have not enough time this is optional. If you
-            want your own mailserver someday you should do all those
-            things</para>
-          </listitem>
 
           <listitem>
             <para>Now we will use the smtpd_*_restrictions in the
@@ -425,7 +420,7 @@
         <para>Where are plenty of Spam prevention techniques like
         <acronym>DMARC</acronym>, <acronym>DKIM</acronym>,
         <acronym>DANE</acronym>, Postscreen and other Policy Deamons (e.g.
-        <link xlink:href="???">policyd-weight</link>). Good Providers use most
+        <link xlink:href="http://www.policyd-weight.org/">policyd-weight</link>). Good Providers use most
         of them. We can't test all of them in SDI. They help to detect spam
         but not scam. So if Spammers use meine-dt-bank.de to obtain your
         PIN/TAN by a scam this mails could also use SPF or DKIM for there
@@ -440,6 +435,10 @@
             to your DNS for your fantasy domain</para>
           </listitem>
 
+          <listitem>
+            <para>test with dig or nslookup for your record</para>
+          </listitem>
+
           <listitem>
             <para>its a little bit hard to test this. if you want you could
             try to configure amavis to test for spf and set it to debug so