Add more index entries for "MX record".

svn path=/head/; revision=20694

en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml

@@ -5871,6 +5871,10 @@ www             IN CNAME        @</programlisting>
           machines.
         </para>
 
+	<indexterm>
+	  <primary>MX record</primary>
+	</indexterm>
+
         <programlisting>
 @               IN MX   10      mail.example.org.</programlisting>
 

en_US.ISO8859-1/books/handbook/mail/chapter.sgml

@@ -220,6 +220,10 @@
 	also occurs when mail is sent from a remote host to your mail
 	server.</para>
 
+      <indexterm>
+	<primary>MX record</primary>
+      </indexterm>
+
       <para><acronym>DNS</acronym> is responsible for mapping
 	hostnames to IP addresses, as well as for storing information
 	specific to mail delivery, known as MX records.  The MX (Mail
@@ -927,6 +931,10 @@ purgestat	/usr/local/supermailer/bin/purgestat-compat</programlisting>
 	</answer>
       </qandaentry>
 
+      <indexterm>
+	<primary>MX record</primary>
+      </indexterm>
+
       <qandaentry>
 	<question>
 	<para><application>sendmail</application> says <errorname>mail
@@ -971,6 +979,9 @@ to /etc/mail/sendmail.cf.</programlisting>
 	  The PPP connection is non-dedicated.</para>
 
 	<indexterm><primary>UUCP</primary></indexterm>
+	<indexterm>
+	  <primary>MX record</primary>
+	</indexterm>
 
 	<para>There are at least two ways to do this.  One way is to use
 	  UUCP.</para>