[0931098] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[ca120ee] | 7 | <!ENTITY exim-download-http "http://www.exim.org/ftp/exim4/exim-&exim-version;.tar.bz2">
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[0931098] | 8 | <!ENTITY exim-download-ftp "ftp://ftp.exim.org/pub/exim/exim4/exim-&exim-version;.tar.bz2">
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[ca120ee] | 9 | <!ENTITY exim-size "1.4 MB">
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| 10 | <!ENTITY exim-buildsize "14.9 MB">
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| 11 | <!ENTITY exim-time "0.14 SBU">
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[0931098] | 12 | ]>
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| 13 |
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[547df0bc] | 14 | <sect1 id="exim" xreflabel="Exim-&exim-version;">
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[a0f03b0] | 15 | <sect1info>
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[5cd0959d] | 16 | <othername>$LastChangedBy$</othername>
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| 17 | <date>$Date$</date>
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[a0f03b0] | 18 | </sect1info>
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[00bb024c] | 19 | <?dbhtml filename="exim.html"?>
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[1586494] | 20 | <title><application>Exim</application>-&exim-version;</title>
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[f45b1953] | 21 |
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[0931098] | 22 | <sect2>
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| 23 | <title>Introduction to <application>Exim</application></title>
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| 24 |
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[1586494] | 25 | <para>The <application>Exim</application> package contains a Mail Transport
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| 26 | Agent written by the University of Cambridge, released under the
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| 27 | <acronym>GNU</acronym> Public License.</para>
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[0931098] | 28 |
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| 29 | <sect3><title>Package information</title>
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| 30 | <itemizedlist spacing='compact'>
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[1586494] | 31 | <listitem><para>Download (HTTP):
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| 32 | <ulink url="&exim-download-http;"/></para></listitem>
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| 33 | <listitem><para>Download (FTP):
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| 34 | <ulink url="&exim-download-ftp;"/></para></listitem>
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| 35 | <listitem><para>Download size:
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| 36 | &exim-size;</para></listitem>
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| 37 | <listitem><para>Estimated disk space required:
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| 38 | &exim-buildsize;</para></listitem>
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| 39 | <listitem><para>Estimated build time:
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| 40 | &exim-time;</para></listitem></itemizedlist>
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[0931098] | 41 | </sect3>
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| 42 |
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[93c1bf51] | 43 | <sect3><title>Additional downloads</title>
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| 44 | <itemizedlist spacing="compact">
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| 45 | <listitem><para>Required patch for Berkeley DB: <ulink
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| 46 | url="&patch-root;/exim-&exim-version;-db43-1.patch"/></para>
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| 47 | </listitem></itemizedlist>
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| 48 | </sect3>
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| 49 |
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[0931098] | 50 | <sect3><title><application>Exim</application> dependencies</title>
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| 51 | <sect4><title>Required</title>
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[ca120ee] | 52 | <para><xref linkend="db"/> or
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| 53 | <xref linkend="gdbm"/> or
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| 54 | <ulink url="http://sourceforge.net/projects/tdb">TDB</ulink></para>
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[1586494] | 55 | </sect4>
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| 56 |
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[0931098] | 57 | <sect4><title>Optional</title>
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[1586494] | 58 | <para>X (<xref linkend="xfree86"/> or <xref linkend="xorg"/>),
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[ca120ee] | 59 | <xref linkend="openldap"/>,
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[939cf0da] | 60 | <xref linkend="openssl-package"/> or
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[ca120ee] | 61 | <ulink url="http://www.gnu.org/software/gnutls/">GnuTLS</ulink>,
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| 62 | <xref linkend="cyrus-sasl"/>,
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| 63 | <xref linkend="mysql"/>,
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| 64 | <xref linkend="postgresql"/>,
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| 65 | <xref linkend="tcpwrappers"/> and
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[1586494] | 66 | <xref linkend="Linux_PAM"/></para>
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| 67 | </sect4>
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[0931098] | 68 | </sect3>
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| 69 |
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| 70 | </sect2>
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| 71 |
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| 72 | <sect2>
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| 73 | <title>Installation of <application>Exim</application></title>
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| 74 |
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[1586494] | 75 | <para>Before building <application>Exim</application>, you should
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[ca120ee] | 76 | create the group and user exim which will run the
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| 77 | <command>exim</command> daemon:</para>
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[0931098] | 78 |
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[93c1bf51] | 79 | <para>If you have Berkeley DB installed, apply
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| 80 | the following patch:</para>
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| 81 |
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[abc0c08] | 82 | <screen><userinput><command>patch -Np1 -i ../exim-&exim-version;-db43-1.patch</command></userinput></screen>
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[93c1bf51] | 83 |
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[0931098] | 84 | <screen><userinput><command>groupadd exim &&
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[1586494] | 85 | useradd -d /dev/null -c "Exim Daemon" -g exim -s /bin/false exim</command></userinput></screen>
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[0931098] | 86 |
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[1586494] | 87 | <para>Install <application>Exim</application> with the following
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| 88 | commands:</para>
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[0931098] | 89 |
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[1586494] | 90 | <screen><userinput><command>sed -e 's,^BIN_DIR.*$,BIN_DIRECTORY=/usr/sbin,' src/EDITME | \
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| 91 | sed -e 's,^CONF.*$,CONFIGURE_FILE=/etc/exim.conf,' | \
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| 92 | sed -e 's,^EXIM_USER.*$,EXIM_USER=exim,' | \
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| 93 | sed -e 's,^EXIM_MONITOR,#EXIM_MONITOR,' > Local/Makefile &&
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[0931098] | 94 | make &&
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| 95 | make install &&
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[ca120ee] | 96 | install -v -m644 doc/exim.8 /usr/share/man/man8 &&
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| 97 | install -v -d -m755 /usr/share/doc/exim-&exim-version; &&
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| 98 | install -v -m644 doc/* /usr/share/doc/exim-&exim-version; &&
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| 99 | ln -sv exim /usr/sbin/sendmail</command></userinput></screen>
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[0931098] | 100 |
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| 101 | </sect2>
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| 102 |
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| 103 | <sect2>
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| 104 | <title>Command explanations</title>
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| 105 |
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[ca120ee] | 106 | <para><command>sed -e ... > Local/Makefile</command>: Most of
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| 107 | <application>Exim</application>'s configuration options are compiled in using
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| 108 | the directives in <filename>Local/Makefile</filename> which is created from
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| 109 | the <filename>src/EDITME</filename> file. This command specifies the minimum
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| 110 | set of options. Descriptions for the options are listed below.</para>
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| 111 |
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| 112 | <para><parameter>BIN_DIRECTORY=/usr/sbin</parameter>: This installs all of
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| 113 | <application>Exim</application>'s binaries and scripts in
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| 114 | <filename class='directory'>/usr/sbin</filename>.</para>
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| 115 |
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| 116 | <para><parameter>CONFIGURE_FILE=/etc/exim.conf</parameter>: This installs
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| 117 | <application>Exim</application>'s main configuration file in
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| 118 | <filename class='directory'>/etc</filename>.</para>
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| 119 |
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| 120 | <para><parameter>EXIM_USER=exim</parameter>: This tells
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| 121 | <application>Exim</application> that after the daemon no longer needs root
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| 122 | privileges, the process hands off the daemon to the exim user.</para>
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| 123 |
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| 124 | <para><parameter>#EXIM_MONITOR</parameter>: This defers building the
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| 125 | <application>Exim</application> monitor program, as it requires
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| 126 | <application>X</application> Window System support, by commenting out the
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| 127 | <parameter>EXIM_MONITOR</parameter> line in the <filename>Makefile</filename>.
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| 128 | If you wish to build the monitor program, omit this <command>sed</command>
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| 129 | command and issue the following command before building the package (modify
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| 130 | <filename>Local/eximon.conf</filename>, if necessary):
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| 131 | <command>cp exim_monitor/EDITME Local/eximon.conf</command>.</para>
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| 132 |
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| 133 | <para><command>ln -s exim /usr/sbin/sendmail</command>: Creates a link to
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| 134 | <command>sendmail</command> for applications which need it.
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| 135 | <application>Exim</application> will accept most
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| 136 | <application>Sendmail</application> command-line options.</para>
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| 137 |
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| 138 | </sect2>
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| 139 |
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| 140 | <sect2>
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| 141 | <title>Adding additional functionality</title>
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| 142 |
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| 143 | <para>To utilize some or all of the dependency packages, you'll need to modify
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| 144 | <filename>Local/Makefile</filename> to include the appropriate directives and
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| 145 | parameters to link additional libraries before you build
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| 146 | <application>Exim</application>. <filename>Local/Makefile</filename> is
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| 147 | heavily commented with instructions on how to do this. Listed below is
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| 148 | additional information to help you link these dependency packages.</para>
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| 149 |
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| 150 | <para>To use a backend database other than <application>Berkelely
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| 151 | DB</application>, see the instructions at <ulink
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| 152 | url="http://www.exim.org/exim-html-4.40/doc/html/spec_4.html#SECT4.3"/>.</para>
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| 153 |
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| 154 | <para>For <acronym>SSL</acronym> functionality, see the instructions at <ulink
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| 155 | url="http://www.exim.org/exim-html-4.40/doc/html/spec_4.html#SECT4.6"/> and
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| 156 | <ulink
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| 157 | url="http://www.exim.org/exim-html-4.40/doc/html/spec_37.html#CHAP37"/>.</para>
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| 158 |
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| 159 | <para>For <application>tcpwrappers</application> functionality, see the
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| 160 | instructions at <ulink
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| 161 | url="http://www.exim.org/exim-html-4.40/doc/html/spec_4.html#SECT4.7"/>.</para>
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| 162 |
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| 163 | <para>For information about adding authentication mechanisms to the
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| 164 | build, see the instructions at <ulink
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| 165 | url="http://www.exim.org/exim-html-4.40/doc/html/spec_34.html#SECT34.4"/> For
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| 166 | specific information about using <application>Cyrus-SASL</application>, see
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| 167 | section 10 of the <filename>doc/NewStuff</filename> file located in the source
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| 168 | tree.</para>
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| 169 |
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| 170 | <para>For information about linking <application>Linux-PAM</application>, see
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| 171 | the instuctions at <ulink
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| 172 | url="http://www.exim.org/exim-html-4.40/doc/html/spec_11.html#IX935"/>.</para>
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| 173 |
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| 174 | <para>For information about linking database engine libraries used for
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| 175 | <application>Exim</application> name lookups, see the instuctions at <ulink
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| 176 | url="http://www.exim.org/exim-html-4.40/doc/html/spec_9.html#CHAP9"/>.</para>
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| 177 |
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| 178 | <para>If you wish to add <application>Readline</application> support to
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| 179 | <application>Exim</application> when invoked in <quote>test expansion</quote>
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| 180 | (-bv) mode, see the information in section 8 of the
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| 181 | <filename>doc/NewStuff</filename> file located in the source tree.</para>
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| 182 |
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| 183 | <para>You may wish to modify the default configuration and send log files to
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| 184 | syslog instead of the default
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| 185 | <filename class='directory'>/var/spool/exim/log</filename> directory. See the
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| 186 | information at <ulink
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| 187 | url="http://www.exim.org/exim-html-4.40/doc/html/spec_45.html#CHAP45"/>.</para>
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[0931098] | 188 |
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| 189 | </sect2>
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| 190 |
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| 191 | <sect2>
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| 192 | <title>Configuring Exim</title>
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| 193 |
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| 194 | <sect3><title>Config files</title>
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| 195 |
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[1586494] | 196 | <para><filename>/etc/exim.conf</filename> and
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| 197 | <filename>/etc/aliases</filename></para>
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[0931098] | 198 |
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| 199 | </sect3>
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| 200 |
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| 201 | <sect3><title>Configuration Information</title>
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| 202 |
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[ca120ee] | 203 | <para>A default (nothing but comments) <filename>/etc/aliases</filename> file
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| 204 | is installed during the package installation if this file did not exist on
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| 205 | your system. Create the necessary aliases and start the
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| 206 | <application>Exim</application> daemon using the following commands:</para>
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[0931098] | 207 |
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| 208 | <screen><userinput><command>cat >> /etc/aliases << "EOF"</command>
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| 209 | postmaster: root
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| 210 | MAILER-DAEMON: root
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| 211 | <command>EOF
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| 212 | exim -v -bi &&
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[ca120ee] | 213 | /usr/sbin/exim -bd -q15m</command></userinput></screen>
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[0931098] | 214 |
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[1586494] | 215 | <note><para>To protect an existing <filename>/etc/aliases</filename> file,
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[ca120ee] | 216 | the command above appends these aliases to it. This file should be checked and
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[1586494] | 217 | duplicate aliases removed, if present.</para></note>
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[0931098] | 218 |
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[ca120ee] | 219 | <para>The <command>/usr/sbin/exim -bd -q15m</command> command starts the
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| 220 | <application>Exim</application> daemon with a 15 minute interval in processing
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| 221 | the mail queue. Adjust this parameter to suit your desires.</para>
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| 222 |
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[1586494] | 223 | <para>To automate the running of <command>exim</command> at startup, install
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| 224 | the <filename>/etc/rc.d/init.d/exim</filename> init script included in the
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| 225 | <xref linkend="intro-important-bootscripts"/> package.</para>
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[0931098] | 226 |
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| 227 | <screen><userinput><command>make install-exim</command></userinput></screen>
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| 228 |
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[ca120ee] | 229 | <para>The bootscript also starts the <application>Exim</application> daemon
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| 230 | and dispatches a queue runner process every 15 minutes. Modify the
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| 231 | <parameter>-q<replaceable>[time interval]</replaceable></parameter> parameter
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| 232 | in <filename>/etc/rc.d/init.d/exim</filename>, if necessary for your
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| 233 | installation.</para>
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[0931098] | 234 | </sect3>
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| 235 |
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| 236 | </sect2>
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| 237 |
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| 238 | <sect2>
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| 239 | <title>Contents</title>
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| 240 |
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| 241 | <para>The <application>Exim</application> package contains
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| 242 | <command>exim</command>,
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| 243 | <command>exim_dumpdb</command>,
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| 244 | <command>exim_fixdb</command>,
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| 245 | <command>exim_tidydb</command>,
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| 246 | <command>exinext</command>,
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| 247 | <command>exiwhat</command>,
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| 248 | <command>exim_dbmbuild</command>,
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| 249 | <command>exicyclog</command>,
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| 250 | <command>exigrep</command>,
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| 251 | <command>eximstats</command>,
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| 252 | <command>exiqsumm</command>,
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| 253 | <command>exiqgrep</command>,
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[ca120ee] | 254 | <command>exim_lock</command>,
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| 255 | <command>exim_checkaccess</command> and optionally,
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| 256 | <command>eximon</command> and
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| 257 | <command>eximon.bin</command>.</para>
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[0931098] | 258 |
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| 259 | </sect2>
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| 260 |
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| 261 | <sect2><title>Description</title>
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| 262 | <sect3><title>exim</title>
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| 263 | <para><command>exim</command> is the Mail Transport Agent daemon.</para></sect3>
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| 264 |
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| 265 | <sect3><title>exim_dumpdb</title>
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[1586494] | 266 | <para><command>exim_dumpdb</command> writes the contents of
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| 267 | <application>Exim</application> databases to the standard output.</para></sect3>
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[0931098] | 268 |
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| 269 | <sect3><title>exim_fixdb</title>
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[1586494] | 270 | <para><command>exim_fixdb</command> modifies data in
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| 271 | <application>Exim</application> databases.</para></sect3>
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[0931098] | 272 |
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| 273 | <sect3><title>exim_tidydb</title>
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[1586494] | 274 | <para><command>exim_tidydb</command> removes old records from
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| 275 | <application>Exim</application> databases.</para></sect3>
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[0931098] | 276 |
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| 277 | <sect3><title>exinext</title>
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| 278 | <para><command>exinext</command> queries remote host retry times.</para></sect3>
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| 279 |
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| 280 | <sect3><title>exiwhat</title>
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[1586494] | 281 | <para><command>exiwhat</command> queries running
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| 282 | <application>Exim</application> processes.</para></sect3>
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[0931098] | 283 |
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| 284 | <sect3><title>exim_dbmbuild</title>
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[1586494] | 285 | <para><command>exim_dbmbuild</command> creates and rebuilds
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| 286 | <application>Exim</application> databases.</para></sect3>
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[0931098] | 287 |
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| 288 | <sect3><title>exicyclog</title>
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[1586494] | 289 | <para><command>exicyclog</command> cycles
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| 290 | <application>Exim</application> log files.</para></sect3>
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[0931098] | 291 |
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| 292 | <sect3><title>exigrep</title>
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[1586494] | 293 | <para><command>exigrep</command> searches
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| 294 | <application>Exim</application> log files.</para></sect3>
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[0931098] | 295 |
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| 296 | <sect3><title>eximstats</title>
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[1586494] | 297 | <para><command>eximstats</command> generates mail statistics from
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| 298 | <application>Exim</application> log files.</para></sect3>
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[0931098] | 299 |
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| 300 | <sect3><title>exiqsumm</title>
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[1586494] | 301 | <para><command>exiqsumm</command> produces a summary of the messages in the
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| 302 | mail queue.</para></sect3>
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[0931098] | 303 |
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| 304 | <sect3><title>exiqgrep</title>
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| 305 | <para><command>exiqgrep</command> is an utility for selective queue
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| 306 | listing.</para></sect3>
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| 307 |
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| 308 | <sect3><title>exim_lock</title>
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| 309 | <para><command>exim_lock</command> locks a mailbox file.</para></sect3>
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| 310 |
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| 311 | <sect3><title>exim_checkaccess</title>
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[1586494] | 312 | <para><command>exim_checkaccess</command> states whether a given recipient
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| 313 | address from a given host is acceptable or not.</para></sect3>
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[0931098] | 314 |
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| 315 | </sect2>
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[f45b1953] | 316 |
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| 317 | </sect1>
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| 318 |
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