commit 9d0fd4c2cd666b3f790346e5c3b57bf99bf6c21e
Author: Stephen Wadeley <swadeley(a)redhat.com>
Date: Thu Oct 30 22:16:33 2014 +0100
Removing significance="normal" from indexterm
Has no benefit and makes my diff compares harder
as not used in my other docs.
en-US/Mail_Servers.xml | 265 +++++++++++++++--------------------------------
1 files changed, 85 insertions(+), 180 deletions(-)
---
diff --git a/en-US/Mail_Servers.xml b/en-US/Mail_Servers.xml
index 2bfc83b..d24427a 100644
--- a/en-US/Mail_Servers.xml
+++ b/en-US/Mail_Servers.xml
@@ -9,8 +9,7 @@
<section
id="s1-email-protocols">
<title>Email Protocols</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>protocols</secondary>
</indexterm>
@@ -24,8 +23,7 @@
<section
id="s3-email-protocols-smtp">
<title>SMTP</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>protocols</secondary>
<tertiary>SMTP</tertiary>
@@ -43,8 +41,7 @@
<section
id="s3-email-protocols-pop">
<title>POP</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>protocols</secondary>
<tertiary>POP</tertiary>
@@ -84,8 +81,7 @@
<section
id="s3-email-protocols-imap">
<title>IMAP</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>protocols</secondary>
<tertiary>IMAP</tertiary>
@@ -101,8 +97,7 @@
<section
id="s3-mail-server-dovecot">
<title>Dovecot</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>mail server</secondary>
<tertiary>Dovecot</tertiary>
@@ -157,8 +152,7 @@ ln -s '/usr/lib/systemd/system/dovecot'
'/etc/systemd/system/multi-user.target.w
<section
id="s1-email-types">
<title>Email Program Classifications</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>program classifications</secondary>
</indexterm>
@@ -166,19 +160,16 @@ ln -s '/usr/lib/systemd/system/dovecot'
'/etc/systemd/system/multi-user.target.w
<section
id="s2-email-types-mta">
<title>Mail Transport Agent</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>types</secondary>
<tertiary>Mail Transport Agent</tertiary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Mail Transport Agent</primary>
<see>email</see>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>MTA</primary>
<see>Mail Transport Agent</see>
</indexterm>
@@ -192,19 +183,16 @@ ln -s '/usr/lib/systemd/system/dovecot'
'/etc/systemd/system/multi-user.target.w
<section
id="s2-email-types-mda">
<title>Mail Delivery Agent</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>types</secondary>
<tertiary>Mail Delivery Agent</tertiary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Mail Delivery Agent</primary>
<see>email</see>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>MDA</primary>
<see>Mail Delivery Agent</see>
</indexterm>
@@ -214,19 +202,16 @@ ln -s '/usr/lib/systemd/system/dovecot'
'/etc/systemd/system/multi-user.target.w
<section
id="s2-email-types-mua">
<title>Mail User Agent</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>types</secondary>
<tertiary>Mail User Agent</tertiary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Mail User Agent</primary>
<see>email</see>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>MUA</primary>
<see>Mail User Agent</see>
</indexterm>
@@ -253,13 +238,11 @@ ln -s '/usr/lib/systemd/system/dovecot'
'/etc/systemd/system/multi-user.target.w
<section
id="s2-email-mta-postfix">
<title>Postfix</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>Postfix</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Postfix</primary>
</indexterm>
<para>Originally developed at IBM by security expert and programmer Wietse
Venema, Postfix is a Sendmail-compatible MTA that is designed to be secure, fast, and easy
to configure.</para>
@@ -274,8 +257,7 @@ ln -s '/usr/lib/systemd/system/dovecot'
'/etc/systemd/system/multi-user.target.w
<section
id="s3-email-mta-postfix-default">
<title>The Default Postfix Installation</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Postfix</primary>
<secondary>default installation</secondary>
</indexterm>
@@ -381,26 +363,22 @@ search_base = dc=<replaceable>example</replaceable>,
dc=<replaceable>com</replac
<section
id="s2-email-mta-sendmail">
<title>Sendmail</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>Sendmail</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
</indexterm>
<para>Sendmail's core purpose, like other MTAs, is to safely transfer
email among hosts, usually using the <systemitem
class="protocol">SMTP</systemitem> protocol. Note that Sendmail is
considered deprecated and users are encouraged to use Postfix when possible. See <xref
linkend="s2-email-mta-postfix" /> for more information.</para>
<section
id="s3-email-mta-sendmail-purpose">
<title>Purpose and Limitations</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>purpose</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>limitations</secondary>
</indexterm>
@@ -412,8 +390,7 @@ search_base = dc=<replaceable>example</replaceable>,
dc=<replaceable>com</replac
<section
id="s3-email-mta-sendmail-default">
<title>The Default Sendmail Installation</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>default installation</secondary>
</indexterm>
@@ -486,13 +463,11 @@ where <replaceable>name>.db</replaceable>
represents the name of the database
<section
id="s3-email-mta-sendmail-changes">
<title>Common Sendmail Configuration Changes</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>common configuration changes</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>with UUCP</secondary>
</indexterm>
@@ -524,13 +499,11 @@ where <replaceable>name>.db</replaceable>
represents the name of the database
<section
id="s3-email-sendmail-changes-masquerading">
<title>Masquerading</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>aliases</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>masquerading</secondary>
</indexterm>
@@ -549,8 +522,7 @@ MASQUERADE_AS(example.com)dnl</programlisting>
<section
id="s3-email-sendmail-stopping-spam">
<title>Stopping Spam</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>spam</secondary>
</indexterm>
@@ -572,8 +544,7 @@ MASQUERADE_AS(example.com)dnl</programlisting>
<section
id="s3-email-mta-sendmail-ldap">
<title>Using Sendmail with LDAP</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>LDAP and</secondary>
</indexterm>
@@ -596,13 +567,11 @@ FEATURE('ldap_routing')dnl</programlisting>
<section
id="s2-email-mta-fetchmail">
<title>Fetchmail</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>Fetchmail</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
</indexterm>
<para>Fetchmail is an MTA which retrieves email from remote servers and
delivers it to the local MTA. Many users appreciate the ability to separate the process of
downloading their messages located on a remote server from the process of reading and
organizing their email in an MUA. Designed with the needs of dial-up users in mind,
Fetchmail connects and quickly downloads all of the email messages to the mail spool file
using any number of protocols, including <systemitem
class="protocol">POP3</systemitem> and <systemitem
class="protocol">IMAP</systemitem>. It can even forward email messages
to an <systemitem class="protocol">SMTP</systemitem> server, if
necessary.</para>
@@ -617,16 +586,12 @@ FEATURE('ldap_routing')dnl</programlisting>
<section
id="s3-email-mda-fetchmail-configuration">
<title>Fetchmail Configuration Options</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
<secondary>configuration options</secondary>
</indexterm>
- <indexterm
- significance="normal">
- <primary>
- <filename>.fetchmailrc</filename>
- </primary>
+ <indexterm>
+ <primary><filename>.fetchmailrc</filename></primary>
</indexterm>
<para>Although it is possible to pass all necessary options on the command
line to check for email on a remote server when executing Fetchmail, using a
<filename>.fetchmailrc</filename> file is much easier. Place any desired
configuration options in the <filename>.fetchmailrc</filename> file for those
options to be used each time the <command>fetchmail</command> command is
issued. It is possible to override these at the time Fetchmail is run by specifying that
option on the command line.</para>
<para>A user's <filename>.fetchmailrc</filename> file
contains three classes of configuration options:</para>
@@ -666,17 +631,13 @@ poll
mail.domain2.com
<section
id="s3-email-mda-fetchmail-configuration-global">
<title>Global Options</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
<secondary>configuration options</secondary>
<tertiary>global options</tertiary>
</indexterm>
- <indexterm
- significance="normal">
- <primary>ch-email
- <filename>.fetchmailrc</filename>
- </primary>
+ <indexterm>
+ <primary>ch-email
<filename>.fetchmailrc</filename></primary>
<secondary>global options</secondary>
</indexterm>
<para>Each global option should be placed on a single line after a
<command>set</command> action.</para>
@@ -699,17 +660,13 @@ poll
mail.domain2.com
<section
id="s3-email-mda-fetchmail-configuration-server">
<title>Server Options</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
<secondary>configuration options</secondary>
<tertiary>server options</tertiary>
</indexterm>
- <indexterm
- significance="normal">
- <primary>
- <filename>.fetchmailrc</filename>
- </primary>
+ <indexterm>
+ <primary><filename>.fetchmailrc</filename></primary>
<secondary>server options</secondary>
</indexterm>
<para>Server options must be placed on their own line in
<filename>.fetchmailrc</filename> after a <command>poll</command>
or <command>skip</command> action.</para>
@@ -745,17 +702,13 @@ poll
mail.domain2.com
<section
id="s3-email-fetchmail-configuration-user">
<title>User Options</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
<secondary>configuration options</secondary>
<tertiary>user options</tertiary>
</indexterm>
- <indexterm
- significance="normal">
- <primary>
- <filename>.fetchmailrc</filename>
- </primary>
+ <indexterm>
+ <primary><filename>.fetchmailrc</filename></primary>
<secondary>user options</secondary>
</indexterm>
<para>User options may be placed on their own lines beneath a server option
or on the same line as the server option. In either case, the defined options must follow
the <command>user</command> option (defined below).</para>
@@ -804,8 +757,7 @@ poll
mail.domain2.com
<section
id="s3-email-mda-fetchmail-commands">
<title>Fetchmail Command Options</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
<secondary>command options</secondary>
</indexterm>
@@ -815,8 +767,7 @@ poll
mail.domain2.com
<section
id="s3-email-mda-fetchmail-commands-info">
<title>Informational or Debugging Options</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
<secondary>command options</secondary>
<tertiary>informational</tertiary>
@@ -844,8 +795,7 @@ poll
mail.domain2.com
<section
id="s3-email-mda-fetchmail-commands-special">
<title>Special Options</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
<secondary>command options</secondary>
<tertiary>special</tertiary>
@@ -876,27 +826,20 @@ poll
mail.domain2.com
<section
id="s2-email-switchmail">
<title>Mail Transport Agent (MTA) Configuration</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Mail Transport Agent</primary>
<see>MTA</see>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>MTA</primary>
<secondary>setting default</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>MTA</primary>
- <secondary>switching with <application>Mail Transport Agent
Switcher</application>
- </secondary>
+ <secondary>switching with <application>Mail Transport Agent
Switcher</application></secondary>
</indexterm>
- <indexterm
- significance="normal">
- <primary>
- <application>Mail Transport Agent Switcher</application>
- </primary>
+ <indexterm>
+ <primary><application>Mail Transport Agent
Switcher</application></primary>
</indexterm>
<!--<indexterm
significance="normal">
@@ -917,22 +860,17 @@ poll
mail.domain2.com
<application>Mail Transport Agent Switcher</application>
</see>
</indexterm>-->
- <indexterm
- significance="normal">
<primary>Mail User Agent</primary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>MUA</primary>
</indexterm>
<para>A <firstterm>Mail Transport Agent</firstterm> (MTA) is
essential for sending email. A <firstterm>Mail User Agent</firstterm> (MUA)
such as <application>Evolution</application>,
<application>Thunderbird</application>, and
<application>Mutt</application>, is used to read and compose email. When a
user sends an email from an MUA, the message is handed off to the MTA, which sends the
message through a series of MTAs until it reaches its destination.</para>
<para>Even if a user does not plan to send email from the system, some
automated tasks or system programs might use the <command>mail</command>
command to send email containing log messages to the <systemitem
class="username">root</systemitem> user of the local
system.</para>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>sendmail</primary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>postfix</primary>
</indexterm>
<para>&MAJOROSVER; provides two MTAs: Postfix and Sendmail. If both are
installed, Postfix is the default MTA. Note that Sendmail is considered deprecated in
MAJOROS;.</para>
@@ -940,11 +878,8 @@ poll
mail.domain2.com
<!--<para>The <application>Mail Transport Agent
Switcher</application> allows for the selection of either
<command>sendmail</command>, or <command>postfix</command> as the
default MTA for the system.</para>
<para>You should install the <package>system-switch-mail</package>
package to use the text-based version of the <application>Mail Transport Agent
Switcher</application> program. If you want to use the graphical version, install
the <package>system-switch-mail-gnome</package> package.</para>
<para>To start the <application>Mail Transport Agent
Switcher</application>, select <guimenu>System</guimenu> (the main menu
on the panel) > <guimenu>Administration</guimenu> >
<guimenuitem>Mail Transport Agent Switcher</guimenuitem>, or type the command
<command>system-switch-mail</command> at a shell prompt (for example, in an
XTerm or GNOME terminal).</para>
- <indexterm
- significance="normal">
- <primary>
- <application>Mail Transport Agent Switcher</application>
- </primary>
+ <indexterm>
+ <primary><application>Mail Transport Agent
Switcher</application></primary>
<secondary>starting in text mode</secondary>
</indexterm>
<para>The program automatically detects if the X Window System is running. If
it is running, the program starts in graphical mode as shown in <xref
@@ -976,13 +911,11 @@ poll
mail.domain2.com
<title>Mail Delivery Agents</title>
<para>&MAJOROS; includes two primary MDAs, Procmail and
<command>mail</command>. Both of the applications are considered LDAs and both
move email from the MTA's spool file into the user's mailbox. However, Procmail
provides a robust filtering system.</para>
<para>This section details only Procmail. For information on the
<command>mail</command> command, consult its man page (<command>man
mail</command>).</para>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>Procmail</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
</indexterm>
<para>Procmail delivers and filters email as it is placed in the mail spool
file of the localhost. It is powerful, gentle on system resources, and widely used.
Procmail can play a critical role in delivering email to be read by email client
applications.</para>
@@ -993,16 +926,12 @@ poll
mail.domain2.com
<section
id="s2-email-procmail-configuration">
<title>Procmail Configuration</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>configuration</secondary>
</indexterm>
- <indexterm
- significance="normal">
- <primary>
- <filename>.procmailrc</filename>
- </primary>
+ <indexterm>
+ <primary><filename>.procmailrc</filename></primary>
</indexterm>
<para>The Procmail configuration file contains important environmental
variables. These variables specify things such as which messages to sort and what to do
with the messages that do not match any recipes.</para>
<para>These environmental variables usually appear at the beginning of the
<filename>~/.procmailrc</filename> file in the following format:</para>
@@ -1066,8 +995,7 @@ INCLUDERC=$MAILDIR/spam.rc</screen>
<section
id="s2-email-procmail-recipes">
<title>Procmail Recipes</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
</indexterm>
@@ -1087,14 +1015,12 @@ INCLUDERC=$MAILDIR/spam.rc</screen>
<section
id="s2-email-procmail-recipes-delivering">
<title>Delivering vs. Non-Delivering Recipes</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
<tertiary>delivering</tertiary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
<tertiary>non-delivering</tertiary>
@@ -1106,8 +1032,7 @@ INCLUDERC=$MAILDIR/spam.rc</screen>
<section
id="s3-email-procmail-recipes-flags">
<title>Flags</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
<tertiary>flags</tertiary>
@@ -1172,8 +1097,7 @@ INCLUDERC=$MAILDIR/spam.rc</screen>
<section
id="s3-email-procmail-recipes-lockfile">
<title>Specifying a Local Lockfile</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
<tertiary>local lockfiles</tertiary>
@@ -1184,14 +1108,12 @@ INCLUDERC=$MAILDIR/spam.rc</screen>
<section
id="s3-email-procmail-recipes-special">
<title>Special Conditions and Actions</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
<tertiary>special conditions</tertiary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
<tertiary>special actions</tertiary>
@@ -1236,8 +1158,7 @@ INCLUDERC=$MAILDIR/spam.rc</screen>
<section
id="s3-email-procmail-recipes-examples">
<title>Recipe Examples</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
<tertiary>examples</tertiary>
@@ -1271,19 +1192,16 @@ tuxlug</screen>
<section
id="s3-email-mda-spam">
<title>Spam Filters</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>recipes</secondary>
<tertiary>SpamAssassin</tertiary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>SpamAssassin</primary>
<secondary>using with Procmail</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>spam</secondary>
<tertiary>filtering out</tertiary>
@@ -1327,8 +1245,7 @@ tuxlug</screen>
id="s2-email-security">
<title>Securing Communication</title>
<para>Popular MUAs included with &MAJOROS;, such as
<application>Evolution</application> and
<application>Mutt</application> offer SSL-encrypted email
sessions.</para>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>security</secondary>
</indexterm>
@@ -1336,8 +1253,7 @@ tuxlug</screen>
<section
id="s3-email-security-clients">
<title>Secure Email Clients</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>security</secondary>
<tertiary>clients</tertiary>
@@ -1348,17 +1264,13 @@ tuxlug</screen>
<section
id="s3-email-security-servers">
<title>Securing Email Client Communications</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>security</secondary>
<tertiary>servers</tertiary>
</indexterm>
- <indexterm
- significance="normal">
- <primary>
- <command>stunnel</command>
- </primary>
+ <indexterm>
+ <primary><command>stunnel</command></primary>
</indexterm>
<para>Offering SSL encryption to <systemitem
class="protocol">IMAP</systemitem> and <systemitem
class="protocol">POP</systemitem> users on the email server is a simple
matter.</para>
<para>First, create an SSL certificate. This can be done in two ways: by
applying to a <firstterm>Certificate Authority</firstterm>
(<firstterm>CA</firstterm>) for an SSL certificate or by creating a
self-signed certificate.</para>
@@ -1404,23 +1316,19 @@ connect = 143</programlisting>
<section
id="s1-email-additional-resources">
<title>Additional Resources</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>additional resources</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Sendmail</primary>
<secondary>additional resources</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Procmail</primary>
<secondary>additional resources</secondary>
</indexterm>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>Fetchmail</primary>
<secondary>additional resources</secondary>
</indexterm>
@@ -1428,8 +1336,7 @@ connect = 143</programlisting>
<section
id="s2-email-installed-docs">
<title>Installed Documentation</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>additional resources</secondary>
<tertiary>installed documentation</tertiary>
@@ -1485,8 +1392,7 @@ connect = 143</programlisting>
<section
id="s2-email-useful-websites">
<title>Useful Websites</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>additional resources</secondary>
<tertiary>useful websites</tertiary>
@@ -1532,8 +1438,7 @@ connect = 143</programlisting>
<section
id="s2-email-related-books">
<title>Related Books</title>
- <indexterm
- significance="normal">
+ <indexterm>
<primary>email</primary>
<secondary>additional resources</secondary>
<tertiary>related books</tertiary>