source: server/mail/dovecot-systemd.xml@ 5dc594e

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;

  <!ENTITY dovecot-download-http
  "http://www.dovecot.org/releases/&dovecot-major;.&dovecot-minor;/dovecot-&dovecot-version;.tar.gz">
  <!ENTITY dovecot-download-ftp  " ">
  <!ENTITY dovecot-md5sum        "a3eb1c0b1822c4f2b0fe9247776baa71">
  <!ENTITY dovecot-size          "4.4 MB">
  <!ENTITY dovecot-buildsize     "203 MB">
  <!ENTITY dovecot-time          "1.6 SBU">
]>

<sect1 id="dovecot" xreflabel="Dovecot-&dovecot-version;">
  <?dbhtml filename="dovecot.html"?>

  <sect1info>
    <othername>$LastChangedBy$</othername>
    <date>$Date$</date>
  </sect1info>

  <title>Dovecot-&dovecot-version;</title>

  <indexterm zone="dovecot">
    <primary sortas="a-Dovecot">Dovecot</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to Dovecot</title>

    <para>
      <application>Dovecot</application> is an Internet Message Access Protocol
      (IMAP) and Post Office Protocol (POP) server, written primarily with
      security in mind. <application>Dovecot</application> aims to be
      lightweight, fast and easy to set up as well as highly configurable and
      easily extensible with plugins.
    </para>

    &lfs75_checked;

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Download (HTTP): <ulink url="&dovecot-download-http;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download (FTP): <ulink url="&dovecot-download-ftp;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download MD5 sum: &dovecot-md5sum;
        </para>
      </listitem>
      <listitem>
        <para>
          Download size: &dovecot-size;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated disk space required: &dovecot-buildsize;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated build time: &dovecot-time;
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">Dovecot Dependencies</bridgehead>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="libcap-pam"/>,
      <xref linkend="openssl"/>,
      <xref linkend="mitkrb"/> (for GSSAPI support),
      <xref linkend="linux-pam"/>,
      <xref linkend="openldap"/>,
      <xref linkend="postgresql"/>,
      <xref linkend="mariadb"/> or <ulink url="http://www.mysql.com/">MySQL</ulink>,
      <xref linkend="sqlite"/>, and
      <xref linkend="clucene"/>
    </para>

    <para condition="html" role="usernotes">User Notes:
      <ulink url="&blfs-wiki;/dovecot"/>
    </para>
  </sect2>

  <sect2 role="installation">
    <title>Installation of Dovecot</title>

    <para>
      There should be dedicated users and groups for unprivileged Dovecot
      processes and for processing users' logins. Issue the following commands
      as the <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>groupadd -g 42 dovecot &amp;&amp;
useradd -c "Dovecot unprivileged user" -d /dev/null -u 42 \
        -g dovecot -s /bin/false dovecot &amp;&amp;
groupadd -g 43 dovenull &amp;&amp;
useradd -c "Dovecot login user" -d /dev/null -u 43 \
        -g dovenull -s /bin/false dovenull</userinput></screen>

    <para>
      Install <application>Dovecot</application> by running the following
      commands:
    </para>

<screen><userinput>./configure --prefix=/usr \
            --sysconfdir=/etc \
            --localstatedir=/var \
            --docdir=/usr/share/doc/dovecot-&dovecot-version; \
            --disable-static \
            --with-systemdsystemunitdir=/lib/systemd/system &amp;&amp;
make</userinput></screen>

    <para>To test the results, issue <command>make check</command>.</para>

    <para>
      Now, as the <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>make install</userinput></screen>

  </sect2>

  <sect2 role="commands">
    <title>Command Explanations</title>

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
      href="../../xincludes/static-libraries.xml"/>

    <para>
      <parameter>--with-systemdsystemunitdir=/lib/systemd/system</parameter>:
      This switch is used to set the correct installation directory for
      systemd units.
    </para>

    <para>
      <option>--with-ldap</option>: This switch enables
      <application>OpenLDAP</application> authentication support.
    </para>

    <para>
      <option>--with-pgsql</option>: This switch enables
      <application>PostgreSQL</application> authentication support.
    </para>

    <para>
      <option>--with-mysql</option>: This switch enables
      <application>MySQL</application> authentication support.
    </para>

    <para>
      <option>--with-sqlite</option>: This switch enables
      <application>SQLite</application> authentication support.
    </para>

    <para>
      <option>--with-lucene</option>: This switch enables
      <application>CLucene</application> full text search support.
    </para>

    <para>
      <option>--with-krb5</option>: This switch enables
      GSSAPI authentication support.
    </para>

  </sect2>

  <sect2 role="configuration">
    <title>Configuring Dovecot</title>

    <sect3 id="dovecot-config">
      <title>Config Files</title>

      <para>
        <filename>/etc/dovecot/dovecot.conf</filename>,
        <filename>/etc/dovecot/conf.d/*</filename>, and
        <filename>/etc/dovecot/local.conf</filename>
      </para>

      <indexterm zone="dovecot dovecot-config">
        <primary sortas="e-etc-dovecot-dovecot.conf">/etc/dovecot/dovecot.conf</primary>
      </indexterm>
      <indexterm zone="dovecot dovecot-config">
        <primary sortas="e-etc-dovecot-conf.d">/etc/dovecot/conf.d/*</primary>
      </indexterm>
      <indexterm zone="dovecot dovecot-config">
        <primary sortas="e-etc-dovecot-local.conf">/etc/dovecot/local.conf</primary>
      </indexterm>

    </sect3>

    <sect3>
      <title>Configuration Information</title>

      <para>
        Copy an example configuration, which you can use as a starting point:
      </para>

<screen role="root"><userinput>cp -rv /usr/share/doc/dovecot-&dovecot-version;/example-config/* /etc/dovecot</userinput></screen>

      <para>
        The following configuration is a simple proof of concept with IMAP
        service using local users for authentication and mailbox location.
        Reading files from the <filename class="directory">conf.d</filename>
        directory is commented out since the included example configuration
        requires <application>OpenSSL</application> and
        <application>Linux PAM</application>.
      </para>

<screen role="root"><userinput>sed -i '/^\!include / s/^/#/' /etc/dovecot/dovecot.conf &amp;&amp;
chmod -v 1777 /var/mail &amp;&amp;
cat &gt; /etc/dovecot/local.conf &lt;&lt; "EOF"
<literal>protocols = imap
ssl = no
# The next line is only needed if you have no IPv6 network interfaces
listen = *
mail_location = mbox:~/Mail:INBOX=/var/mail/%u
userdb {
  driver = passwd
}
passdb {
  driver = shadow
}</literal>
EOF</userinput></screen>

      <para>
        You will definitely want to read the official documentation at <ulink
        url="http://wiki2.dovecot.org/"/> if you plan to use
        <application>Dovecot</application> in production environment.
      </para>

    </sect3>

    <sect3 id="dovecot-init">
      <title>Systemd Units</title>

      <para>
        To start the <command>dovecot</command> daemon at boot,
        install the systemd unit from the <xref linkend="bootscripts"/>
        package by running the following command as the
        <systemitem class="username">root</systemitem> user:
      </para>

      <indexterm zone="dovecot dovecot-init">
        <primary sortas="f-dovecot">dovecot</primary>
      </indexterm>

<screen role="root"><userinput>systemctl enable dovecot</userinput></screen>

    </sect3>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Libraries</segtitle>
      <segtitle>Installed Directories</segtitle>

      <seglistitem>
        <seg>
          doveadm, doveconf, dovecot, dsync, and various internal programs
        </seg>
        <seg>
          various internal plugins
        </seg>
        <seg>
          /etc/dovecot,
          /usr/include/dovecot,
          /usr/lib/dovecot,
          /usr/libexec/dovecot, and
          /usr/share/doc/dovecot-&dovecot-version;
        </seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="doveadm">
        <term><command>doveadm</command></term>
        <listitem>
          <para>
            is the <application>Dovecot</application> administration tool.
          </para>
          <indexterm zone="dovecot doveadm">
            <primary sortas="b-doveadm">doveadm</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="doveconf">
        <term><command>doveconf</command></term>
        <listitem>
          <para>
            is <application>Dovecot</application>'s configuration dumping
            utility.
          </para>
          <indexterm zone="dovecot doveconf">
            <primary sortas="b-doveconf">doveconf</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="dovecot-prog">
        <term><command>dovecot</command></term>
        <listitem>
          <para>
            is the IMAP and POP server.
          </para>
          <indexterm zone="dovecot dovecot-prog">
            <primary sortas="b-dovecot">dovecot</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="dsync">
        <term><command>dsync</command></term>
        <listitem>
          <para>
            is <application>Dovecot</application>'s mailbox synchronization
            utility.
          </para>
          <indexterm zone="dovecot dsync">
            <primary sortas="b-dsync">dsync</primary>
          </indexterm>
        </listitem>
      </varlistentry>


    </variablelist>

  </sect2>

</sect1>