[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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[17e4e55] | 7 | <!ENTITY postfix-download-http "http://www.mirrorspace.org/postfix/official/postfix-&postfix-version;.tar.gz">
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[0931098] | 8 | <!ENTITY postfix-download-ftp "ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-&postfix-version;.tar.gz">
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| 9 | <!ENTITY postfix-size "1.9 MB">
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[17e4e55] | 10 | <!ENTITY postfix-buildsize "81 MB">
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[0931098] | 11 | <!ENTITY postfix-time "0.29 SBU">
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| 12 |
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| 13 | ]>
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| 14 |
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[547df0bc] | 15 | <sect1 id="postfix" xreflabel="Postfix-&postfix-version;">
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[a0f03b0] | 16 | <sect1info>
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[5cd0959d] | 17 | <othername>$LastChangedBy$</othername>
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| 18 | <date>$Date$</date>
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[a0f03b0] | 19 | </sect1info>
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[00bb024c] | 20 | <?dbhtml filename="postfix.html"?>
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[547df0bc] | 21 | <title>Postfix-&postfix-version;</title>
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[f45b1953] | 22 |
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[0931098] | 23 | <sect2>
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| 24 | <title>Introduction to Postfix</title>
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| 25 |
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| 26 | <para>The <application>Postfix</application> package contains a Mail
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| 27 | Transport Agent (<acronym>MTA</acronym>). This is useful for sending email
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| 28 | to other users of your host machine. It can also be configured to be a
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| 29 | central mail server for your domain, a mail relay agent or simply a mail
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| 30 | delivery agent to your local Internet Service Provider
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| 31 | (<acronym>ISP</acronym>).</para>
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| 32 |
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| 33 | <sect3><title>Package information</title>
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| 34 | <itemizedlist spacing='compact'>
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| 35 | <listitem><para>Download (HTTP): <ulink
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| 36 | url="&postfix-download-http;"/></para></listitem>
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| 37 | <listitem><para>Download (FTP): <ulink
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| 38 | url="&postfix-download-ftp;"/></para></listitem>
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| 39 | <listitem><para>Download size: &postfix-size;</para></listitem>
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[518538f] | 40 | <listitem><para>Estimated disk space required:
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[0931098] | 41 | &postfix-buildsize;</para></listitem>
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| 42 | <listitem><para>Estimated build time:
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| 43 | &postfix-time;</para></listitem></itemizedlist>
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| 44 | </sect3>
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| 45 |
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| 46 | <sect3><title><application>Postfix</application> dependencies</title>
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| 47 | <sect4><title>Required</title>
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| 48 | <para><xref linkend="db"/></para></sect4>
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| 49 | <sect4><title>Optional</title>
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[4a46bf8] | 50 | <para>
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| 51 | <xref linkend="pcre"/>,
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| 52 | <xref linkend="mysql"/>,
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| 53 | <xref linkend="postgresql"/>,
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| 54 | <xref linkend="openldap"/> and
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| 55 | <xref linkend="cyrus-sasl"/>
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| 56 | </para></sect4>
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[0931098] | 57 | </sect3>
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| 58 |
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| 59 | </sect2>
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| 60 |
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| 61 | <sect2>
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| 62 | <title>Installation of <application>Postfix</application></title>
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| 63 |
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| 64 | <para>Before you compile the program, you need to create users and groups that
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| 65 | will be expected to be in place when the install script executes. Add the
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| 66 | users and groups with the following commands:</para>
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| 67 |
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| 68 | <screen><userinput><command>groupadd postfix &&
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| 69 | groupadd postdrop &&
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| 70 | groupadd -g 65534 nogroup &&
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| 71 | useradd -c postfix -d /dev/null -g postfix -s /bin/false postfix &&
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| 72 | useradd -c nobody -d /home -g nogroup -s /bin/bash -u 65534 nobody &&
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| 73 | chown postfix:postfix /var/mail</command></userinput></screen>
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| 74 |
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[6c8ceb4] | 75 | <para>Install <application>Postfix</application> by running the following
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| 76 | commands:</para>
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[0931098] | 77 |
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| 78 | <screen><userinput><command>make &&
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| 79 | sh postfix-install daemon_directory=/usr/sbin \
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| 80 | manpage_directory=/usr/share/man \
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| 81 | sample_directory=/usr/share/doc/postfix \
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| 82 | -non-interactive</command></userinput></screen>
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| 83 |
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[8568fa6] | 84 | <para>The final installation step is to install the program's documentation with
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| 85 | the following commands:</para>
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[0931098] | 86 |
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| 87 | <screen><userinput><command>install -d /usr/share/doc/postfix &&
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| 88 | cp -rf html/* /usr/share/doc/postfix</command></userinput></screen>
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| 89 |
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| 90 | </sect2>
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| 91 |
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| 92 | <sect2>
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| 93 | <title>Command explanations</title>
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| 94 |
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[8568fa6] | 95 | <para><command>sh postfix-install ... -non-interactive</command> : This keeps
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| 96 | the install script from asking any questions, thereby accepting default
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[6c8ceb4] | 97 | destination directories in all but the three cases explicitly mentioned.</para>
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[8568fa6] | 98 |
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[4a46bf8] | 99 | <para><option>CCARGS="$CCARGS -DHAS_MYSQL -I/usr/include/mysql"
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| 100 | AUXLIBS="$AUXLIBS -L/usr/lib/mysql -lmysqlclient -lz -lm"</option> :
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| 101 | These <command>make</command> variables add
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| 102 | <application>My<acronym>SQL</acronym></application> support to
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| 103 | <application>Postfix</application>.</para>
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| 104 |
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| 105 | <para><option>CCARGS="$CCARGS -DHAS_PGSQL -I/usr/include/postgresql/server"
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| 106 | AUXLIBS="$AUXLIBS -lpq"</option>: These <command>make</command> variables add
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| 107 | <application>Postgre<acronym>SQL</acronym></application> support to
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| 108 | <application>Postfix</application>.</para>
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| 109 |
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[8d8e269] | 110 | <para><option>CCARGS="$CCARGS -DHAS_LDAP" AUXLIBS="$AUXLIBS -lldap -llber"</option> : These
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[4a46bf8] | 111 | <command>make</command> variables add
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| 112 | <application>Open<acronym>LDAP</acronym></application> support to
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| 113 | <application>Postfix</application>.</para>
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| 114 |
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| 115 | <para><option>CCARGS="$CCARGS -DUSE_SASL_AUTH" AUXLIBS="$AUXLIBS -lsasl"</option> : These
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| 116 | <command>make</command> variables add <application>Cyrus
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| 117 | <acronym>SASL</acronym></application> support to
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[5152df99] | 118 | <application>Postfix</application>.</para>
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[0931098] | 119 |
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| 120 | </sect2>
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| 121 |
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| 122 | <sect2>
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| 123 | <title>Configuring <application>Postfix</application></title>
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| 124 |
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| 125 | <sect3><title>Config files</title>
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| 126 | <para><filename>/etc/aliases</filename>,
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| 127 | <filename>/etc/postfix/main.cf</filename> and
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| 128 | <filename>/etc/postfix/master.cf</filename></para>
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| 129 | </sect3>
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| 130 |
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| 131 | <sect3><title>Configuration Information</title>
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| 132 |
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| 133 | <screen><userinput><command>cat >> /etc/aliases << "EOF"</command>
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| 134 | # Begin /etc/aliases
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| 135 |
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| 136 | MAILER-DAEMON: postmaster
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| 137 | postmaster: root
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| 138 |
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| 139 | root: LOGIN
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| 140 | # End /etc/aliases
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| 141 | <command>EOF</command></userinput></screen>
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| 142 |
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[8568fa6] | 143 | <note><para>To protect an existing <filename>/etc/aliases</filename> file, the
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| 144 | above command appends these aliases to it if it exists. This file should be
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| 145 | checked and duplicate aliases removed, if present.</para></note>
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| 146 |
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| 147 | <para>The <filename>/etc/aliases</filename> file that was just created or
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| 148 | appended, the <filename>main.cf</filename> and the
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| 149 | <filename>master.cf</filename> must be personalized for your system. The
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| 150 | <filename>aliases</filename> file needs your non-root login identity so mail
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| 151 | addressed to root can be forwarded to you at the user level. The
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| 152 | <filename>main.cf</filename> file needs your fully qualified hostname. All of
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| 153 | these edits can be done with sed commands entered into the console with
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| 154 | appropriate substitutions of your non-root login name for
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| 155 | <replaceable>[user]</replaceable> and your fully qualified hostname for
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| 156 | <replaceable>[localhost.localdomain]</replaceable>. You will find the
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| 157 | <filename>main.cf</filename> file is self documenting, so load it into your
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| 158 | editor to make the changes you need for your situation.</para>
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| 159 |
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[12a352e2] | 160 | <screen><userinput><command>sed -i "s/LOGIN/<replaceable>[user]</replaceable>/" /etc/aliases &&
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| 161 | sed -i "s/#myhostname = host.domain.tld/myhostname = \
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| 162 | <replaceable>[localhost.localdomain]</replaceable>/" /etc/postfix/main.cf &&
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[0931098] | 163 | /usr/bin/newaliases &&
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| 164 | /usr/sbin/postfix start</command></userinput></screen></sect3>
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| 165 |
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| 166 | <sect3><title>Postfix init.d script</title>
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| 167 |
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[6c8ceb4] | 168 | <para>To automate the running of Postfix at startup, install the
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| 169 | <filename>/etc/rc.d/init.d/postfix</filename> init script included in the
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| 170 | <xref linkend="intro-important-bootscripts"/> package.</para>
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[0931098] | 171 |
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| 172 | <screen><userinput><command>make install-postfix</command></userinput></screen>
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| 173 |
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| 174 | </sect3>
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| 175 |
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| 176 | </sect2>
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| 177 |
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| 178 | <sect2>
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| 179 | <title>Contents</title>
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| 180 |
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[8568fa6] | 181 | <para>The <application>Postfix</application> package contains
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| 182 | <command>bounce</command>, <command>cleanup</command>,
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| 183 | <command>error</command>, <command>flush</command>,
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| 184 | <command>lmtp</command>, <command>local</command>,
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| 185 | <command>mailq</command>, <command>master</command>,
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| 186 | <command>newaliases</command>, <command>nqmgr</command>,
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| 187 | <command>pickup</command>, <command>pipe</command>,
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| 188 | <command>postalias</command>, <command>postcat</command>,
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| 189 | <command>postconf</command>, <command>postdrop</command>,
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| 190 | <command>postfix</command>, <command>postkick</command>,
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| 191 | <command>postlock</command>, <command>postlog</command>,
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| 192 | <command>postmap</command>, <command>postqueue</command>,
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| 193 | <command>postsuper</command>, <command>qmgr</command>,
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| 194 | <command>qmqpd</command>, <command>sendmail</command>,
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| 195 | <command>showq</command>, <command>smtp</command>,
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| 196 | <command>smtpd</command>, <command>spawn</command>,
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| 197 | <command>trivial-rewrite</command>, and <command>virtual</command>.</para>
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[0931098] | 198 |
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| 199 | </sect2>
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| 200 |
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| 201 | <sect2><title>Description</title>
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| 202 |
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| 203 | <sect3><title>postfix</title>
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[6c8ceb4] | 204 | <para><command>postfix</command> is the program that starts and stops the mail
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| 205 | delivery system.</para></sect3>
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[0931098] | 206 |
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| 207 | <sect3><title>master</title>
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[8568fa6] | 208 | <para><command>master</command> is the resident process that runs
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[0931098] | 209 | <filename>bounce</filename>, <filename>cleanup</filename>,
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| 210 | <filename>error</filename>, <filename>flush</filename>,
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| 211 | <filename>lmtp</filename>, <filename>local</filename>,
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| 212 | <filename>nqmgr</filename>, <filename>pickup</filename>,
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| 213 | <filename>pipe</filename>, <filename>qmgr</filename>,
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| 214 | <filename>qmqpd</filename>, <filename>showq</filename>,
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| 215 | <filename>smtp</filename>, <filename>smtpd</filename>,
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| 216 | <filename>spawn</filename>, <filename>trivial-rewrite</filename> and
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| 217 | <filename>virtual</filename> on demand. These programs are not designed to
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| 218 | work as user commands.</para></sect3>
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| 219 |
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| 220 | <sect3><title>postqueue</title>
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| 221 | <para><command>postqueue</command> implements the
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| 222 | <application>Postfix</application> user interface for
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| 223 | queue management. It implements all the operations that are traditionally
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| 224 | available via the <command>sendmail</command> command.</para></sect3>
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| 225 |
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| 226 | <sect3><title>sendmail</title>
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| 227 | <para><command>sendmail</command> implements the
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| 228 | <application>Postfix</application> to
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| 229 | <application>Sendmail</application> compatibility interface.
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| 230 | <filename class="symlink">mailq</filename> and <filename
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| 231 | class="symlink">newaliases</filename> are symlinks to
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| 232 | <command>sendmail</command>.</para></sect3>
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| 233 |
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| 234 | <sect3><title>showq</title>
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| 235 | <para><command>showq</command> will emulate the <filename
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| 236 | class="symlink">mailq</filename> command when the
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| 237 | <application>Postfix</application> mail system is
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| 238 | not running.</para></sect3>
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| 239 |
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| 240 | <sect3><title>postsuper</title>
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| 241 | <para><command>postsuper</command> does maintenance jobs on the
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| 242 | <application>Postfix</application> queue.</para></sect3>
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| 243 |
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| 244 | <sect3><title>postalias</title>
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| 245 | <para><command>postalias</command> creates, queries or updates
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| 246 | <application>Postfix</application> alias
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| 247 | databases.</para></sect3>
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| 248 |
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| 249 | <sect3><title>postcat</title>
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| 250 | <para><command>postcat</command> prints the contents of a
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| 251 | <application>Postfix</application> queue file in human-readable
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| 252 | form.</para></sect3>
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| 253 |
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| 254 | <sect3><title>postconf</title>
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| 255 | <para><command>postconf</command> prints or changes the value of configuration
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| 256 | parameters.</para></sect3>
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| 257 |
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| 258 | <sect3><title>postdrop</title>
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| 259 | <para><command>postdrop</command> creates a file in the maildrop directory and
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| 260 | copies its standard input to the file.</para></sect3>
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| 261 |
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| 262 | <sect3><title>postkick</title>
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| 263 | <para><command>postkick</command> makes the mail system private
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| 264 | <acronym>IPC</acronym> accessible for use in shell
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| 265 | scripts.</para></sect3>
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| 266 |
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| 267 | <sect3><title>postlock</title>
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| 268 | <para><command>postlock</command> locks a file for exclusive access and
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| 269 | executes a command on that file.</para></sect3>
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| 270 |
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| 271 | <sect3><title>postlog</title>
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| 272 | <para><command>postlog</command> implements a logging interface for use in
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| 273 | shell scripts.</para></sect3>
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| 274 |
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| 275 | <sect3><title>postmap</title>
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| 276 | <para><command>postmap</command> creates, queries or updates
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| 277 | <application>Postfix</application> lookup tables.</para></sect3>
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| 278 |
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| 279 | </sect2>
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[f45b1953] | 280 |
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| 281 | </sect1>
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| 282 |
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