Update the SMTP_AUTH section just a tad.

svn path=/head/; revision=17133

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

@@ -1236,6 +1236,15 @@ define(`confDEF_AUTH_INFO', `/etc/mail/auth-info')dnl</programlisting>
       <application>sendmail</application> to 13 and watch
       <filename>/var/log/maillog</filename> for any errors.</para>
 
+    <para>You may wish to add the following lines to <filename>/etc/rc.conf</filename>
+      so this service will be available after every system boot:</para>
+
+    <programlisting>sasl_pwcheck_enable="YES"
+sasl_pwcheck_program="/usr/local/sbin/pwcheck"</programlisting>
+
+    <para>This will ensure the initialization of <acronym>SMTP_AUTH</acronym> upon system
+      boot.</para>
+
     <para>For more information, please see the <application>sendmail</application>
       page regarding
       <ulink url="http://www.sendmail.org/~ca/email/auth.html">