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312 lines
14 KiB
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<title>Install iRedMail on FreeBSD inside Jail (with ezjail)</title>
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<link rel="stylesheet" type="text/css" href="./css/markdown.css" />
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<body>
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<div id="navigation">
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<a href="https://www.iredmail.org" target="_blank">
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<img alt="iRedMail web site"
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src="./images/logo-iredmail.png"
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style="vertical-align: middle; height: 30px;"
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/>
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<span>iRedMail</span>
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</a>
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// <a href="./index.html">Document Index</a></div><h1 id="install-iredmail-on-freebsd-inside-jail-with-ezjail">Install iRedMail on FreeBSD inside Jail (with ezjail)</h1>
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<div class="toc">
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<ul>
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<li><a href="#install-iredmail-on-freebsd-inside-jail-with-ezjail">Install iRedMail on FreeBSD inside Jail (with ezjail)</a><ul>
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<li><a href="#summary">Summary</a></li>
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<li><a href="#system-requirements">System Requirements</a></li>
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<li><a href="#preparations">Preparations</a><ul>
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<li><a href="#install-sysutilsezjail-and-add-required-settings">Install sysutils/ezjail and add required settings</a></li>
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<li><a href="#create-jail">Create Jail</a></li>
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</ul>
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</li>
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<li><a href="#install-iredmail">Install iRedMail</a></li>
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<li><a href="#start-iredmail-installer">Start iRedMail installer</a></li>
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<li><a href="#screenshots-of-installation">Screenshots of installation:</a></li>
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<li><a href="#important-things-you-must-know-after-installation">Important things you MUST know after installation</a></li>
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<li><a href="#access-webmail-and-other-web-applications">Access webmail and other web applications</a></li>
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<li><a href="#get-technical-support">Get technical support</a></li>
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<li><a href="#some-tips-for-freebsd-jail">Some Tips for FreeBSD Jail</a><ul>
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<li><a href="#allow-ping-in-jail">Allow ping in Jail</a></li>
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<li><a href="#share-usrportsdistfiles-with-jail">Share /usr/ports/distfiles with Jail</a></li>
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</ul>
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</li>
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</ul>
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</li>
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</ul>
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</div>
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<h2 id="summary">Summary</h2>
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<ul>
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<li>This tutorial describes how to create a FreeBSD Jail with ezjail, then
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install the latest iRedMail in Jail.</li>
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<li>We use hostname <code>mx.example.com</code> and IP address <code>172.16.244.254</code> for our Jail server.</li>
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</ul>
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<p>Notes:</p>
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<ul>
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<li>This tutorial was tested with FreeBSD 10 and the latest ports tree, but it
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should work on FreeBSD 9 and other releases.</li>
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<li>All backends available in iRedMail (OpenLDAP, MySQL/MariaDB, PostgreSQL) were
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tested, work like a charm. :)</li>
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<li>For more details about ezjail, please check FreeBSD Handbook:
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<a href="https://www.freebsd.org/doc/handbook/jails-ezjail.html">Managing Jails with ezjail</a>.</li>
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</ul>
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<h2 id="system-requirements">System Requirements</h2>
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<div class="admonition warning">
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<p class="admonition-title">Warning</p>
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<ul>
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<li>iRedMail is designed to be deployed on a <strong>FRESH</strong> server system, which
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means your server does <strong>NOT</strong> have mail related components installed,
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e.g. MySQL, OpenLDAP, Postfix, Dovecot, Amavisd, etc. iRedMail will install
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and configure them for you automatically. Otherwise it may override your
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existing files/configurations althought it will backup files before
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modifying, and it may not be working as expected.</li>
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<li>Amazon AWS EC2 blocks port 25 by default, if you plan to deploy mail
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server with AWS, you need to <a href="https://aws.amazon.com/premiumsupport/knowledge-center/ec2-port-25-throttle/">remove the throttle on port
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25</a>.</li>
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</ul>
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</div>
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<ul>
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<li>The latest stable release of iRedMail. You can download it here: <a href="https://www.iredmail.org/download.html">https://www.iredmail.org/download.html</a></li>
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<li>Port <code>sysutils/ezjail</code> for FreeBSD.</li>
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<li>Make sure 3 UID/GID are not used by other user/group: 2000, 2001, 2002.</li>
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</ul>
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<h2 id="preparations">Preparations</h2>
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<h3 id="install-sysutilsezjail-and-add-required-settings">Install sysutils/ezjail and add required settings</h3>
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<ul>
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<li>Install ezjail with ports tree:</li>
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</ul>
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<pre><code># cd /usr/ports/sysutils/ezjail/
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# make install clean
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</code></pre>
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<ul>
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<li>Enable ezjail service and sysvipc by appending lines below to <code>/etc/rc.conf</code>:</li>
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</ul>
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<pre><code># Start ezjail while system start up
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ezjail_enable="YES"
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# Enable sysvipc. Required by PostgreSQL.
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jail_sysvipc_allow="YES"
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</code></pre>
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<ul>
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<li>Add parameter in <code>/etc/sysctl.conf</code>, this is required if you're
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going to install iRedMail with PostgreSQL backend.</li>
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</ul>
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<pre><code>security.jail.sysvipc_allowed=1
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</code></pre>
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<ul>
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<li>Rebooting system is required after changing <code>/etc/rc.conf</code>.</li>
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</ul>
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<pre><code># reboot
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</code></pre>
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<h3 id="create-jail">Create Jail</h3>
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<ul>
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<li>After server reboot, populate the Jail with FreeBSD-RELEASE</li>
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</ul>
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<pre><code># ezjail-admin install -p
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</code></pre>
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<ul>
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<li>
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<p>Create a new jail</p>
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<ul>
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<li>hostname <code>mx.example.com</code></li>
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<li>bound IP address <code>172.16.244.254</code> to network interface <code>em0</code></li>
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<li>Jail is placed under <code>/jails/mx.example.com</code></li>
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</ul>
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</li>
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</ul>
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<pre><code># ezjail-admin create -r /jails/mx.example.com mx.example.com 'em0|172.16.244.254'
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</code></pre>
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<ul>
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<li>Start Jail.</li>
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</ul>
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<pre><code># service ezjail restart
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</code></pre>
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<ul>
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<li>List all Jails:</li>
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</ul>
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<pre><code># ezjail-admin list
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STA JID IP Hostname Root Directory
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--- ---- ---------------- --------------------------------- ------------------------
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DS 1 172.16.244.254 mx.example.com /jails/mx.example.com
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</code></pre>
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<h2 id="install-iredmail">Install iRedMail</h2>
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<p>We can now enter this Jail with below command:</p>
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<pre><code># ezjail-admin console mx.example.com
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</code></pre>
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<ul>
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<li>In Jail, update <code>/etc/resolv.conf</code> with valid DNS server address(es). For example:</li>
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</ul>
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<pre><code># File: /etc/resolv.conf
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nameserver 172.16.244.2
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</code></pre>
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<ul>
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<li>In Jail, install binary package <code>bash-static</code>, it's required by iRedMail.</li>
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</ul>
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<pre><code># pkg install bash-static
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</code></pre>
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<h2 id="start-iredmail-installer">Start iRedMail installer</h2>
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<p>It's now ready to start iRedMail installer inside Jail, it will ask you several simple
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questions, that's all required to setup a full-featured mail server.</p>
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<pre><code># bash # <- start bash shell, REQUIRED
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# cd /root/iRedMail/
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# LOCAL_ADDRESS='172.16.244.254' bash iRedMail.sh
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</code></pre>
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<h2 id="screenshots-of-installation">Screenshots of installation:</h2>
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<ul>
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<li>Welcome and thanks for your use</li>
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</ul>
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<p><img alt="" src="./images/installation/welcome.png" width="700px" /></p>
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<ul>
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<li>Specify location to store all mailboxes. Default is <code>/var/vmail/</code>.</li>
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</ul>
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<p><img alt="" src="./images/installation/mail_storage.png" width="700px" /></p>
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<ul>
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<li>Choose backend used to store mail accounts. You can manage mail accounts
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with iRedAdmin, our web-based iRedMail admin panel.</li>
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</ul>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>There's no big difference between available backends, so
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it's strongly recommended to choose the one you're familiar with for easier
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management and maintenance after installation.</p>
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</div>
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<p><img alt="" src="./images/installation/backends.png" width="700px" /></p>
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<ul>
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<li>If you choose to store mail accounts in OpenLDAP, iRedMail installer will
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ask to set the LDAP suffix.</li>
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</ul>
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<p><img alt="" src="./images/installation/ldap_suffix.png" width="700px" /></p>
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<div class="admonition note">
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<p class="admonition-title">To MySQL/MariaDB/PostgreSQL users</p>
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<p>If you choose to store mail accounts in MySQL/MariaDB/PostgreSQL, iRedMail
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installer will generate a random, strong password for you. You can find it
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in file <code>iRedMail.tips</code>.</p>
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</div>
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<ul>
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<li>Add your first mail domain name</li>
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</ul>
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<p><img alt="" src="./images/installation/first_domain.png" width="700px" /></p>
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<ul>
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<li>Set password of admin account of your first mail domain.</li>
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</ul>
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<p><strong>Note</strong>: This account is an admin account and a mail user. That means you can
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login to webmail and admin panel (iRedAdmin) with this account, login username
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is full email address.</p>
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<p><img alt="" src="./images/installation/admin_pw.png" width="700px" /></p>
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<ul>
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<li>Choose optional components</li>
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</ul>
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<p><img alt="" src="./images/installation/optional_components.png" width="700px" /></p>
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<p>After answered above questions, iRedMail installer will ask you to review and
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confirm to start installation. It will install and configure required packages
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automatically. Type <code>y</code> or <code>Y</code> and press <code>Enter</code> to start.</p>
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<p><img alt="" src="./images/installation/review.png" width="700px" /></p>
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<h2 id="important-things-you-must-know-after-installation">Important things you <strong>MUST</strong> know after installation</h2>
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<div class="admonition warning">
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<p class="admonition-title">Warning</p>
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<p>The weakest part of a mail server is user's weak password. Spammers don't
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want to hack your server, they just want to send spam from your server.
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Please <strong>ALWAYS ALWAYS ALWAYS</strong> force users to use a strong password.</p>
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</div>
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<ul>
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<li>
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<p>Read file <code>/root/iRedMail-x.y.z/iRedMail.tips</code> first, it contains:</p>
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<ul>
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<li>URLs, usernames and passwords of web-based applications</li>
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<li>Location of mail service related software configuration files. You can
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also check this tutorial instead:
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<a href="./file.locations.html">Locations of configuration and log files of major components</a>.</li>
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<li>Some other important and sensitive information</li>
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</ul>
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</li>
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<li>
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<p><a href="./setup.dns.html">Setup DNS records for your mail server</a></p>
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</li>
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<li><a href="./index.html#configure-mail-client-applications">How to configure your mail clients</a></li>
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<li><a href="./file.locations.html">Locations of configuration and log files of major components</a></li>
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<li>It's highly recommended to get a SSL cert to avoid annonying warning
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message in web browser or mail clients when accessing mailbox via
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HTTPS/IMAPS/POP3/SMTPS. <a href="https://letsencrypt.org">Let's Encrypt offers <strong>FREE</strong> SSL certificate</a>.
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We have a document for you to
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<a href="./use.a.bought.ssl.certificate.html">use a SSL certificate</a>.</li>
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<li>If you need to bulk create mail users, check our document for
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<a href="./ldap.bulk.create.mail.users.html">OpenLDAP</a> and
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<a href="./sql.bulk.create.mail.users.html">MySQL/MariaDB/PostgreSQL</a>.</li>
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<li>If you're running a busy mail server, we have <a href="./performance.tuning.html">some suggestions for better
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performance</a>.</li>
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</ul>
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<h2 id="access-webmail-and-other-web-applications">Access webmail and other web applications</h2>
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<p>After installation successfully completed, you can access web-based programs
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if you choose to install them. Replace <code>your_server</code> below by your real server
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hostname or IP address.</p>
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<ul>
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<li><strong>Roundcube webmail</strong>: <a href="https://your_server/mail/">https://your_server/mail/</a></li>
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<li><strong>SOGo Groupware</strong>: <a href="https://your_server/SOGo">https://your_server/SOGo</a></li>
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<li><strong>Web admin panel (iRedAdmin)</strong>: <a href="httpS://your_server/iredadmin/">httpS://your_server/iredadmin/</a></li>
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<li><strong>Awstats</strong>: <a href="httpS://your_server/awstats/awstats.pl?config=web">httpS://your_server/awstats/awstats.pl?config=web</a> (or
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<code>?config=smtp</code> for SMTP traffic log)</li>
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</ul>
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<h2 id="get-technical-support">Get technical support</h2>
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<p>Please post all issues, feedbacks, feature requests, suggestions in our <a href="https://forum.iredmail.org/">online
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support forum</a>, it's more responsible than you
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expected.</p>
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<h2 id="some-tips-for-freebsd-jail">Some Tips for FreeBSD Jail</h2>
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<h3 id="allow-ping-in-jail">Allow <code>ping</code> in Jail</h3>
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<ul>
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<li>Appending below line in <code>/etc/sysctl.conf</code> to allow to use <code>ping</code> command
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inside Jail:</li>
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</ul>
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<pre><code>security.jail.allow_raw_sockets=1
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</code></pre>
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<ul>
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<li>Update <code>/usr/local/etc/ezjail/mx_example_com</code> to allow <code>ping</code> inside Jail:</li>
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</ul>
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<pre><code>export jail_mx_example_com_parameters="allow.raw_sockets=1"
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</code></pre>
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<h3 id="share-usrportsdistfiles-with-jail">Share <code>/usr/ports/distfiles</code> with Jail</h3>
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<p>To share <code>/usr/ports/distfiles/</code> with Jail, please append below line in
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<code>/etc/fstab.mx_example_com</code>:</p>
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<blockquote>
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<p>Jail will set ports tree directory to <code>/var/ports</code> instead of
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<code>/usr/ports</code> in <code>/jails/mx.example.com/etc/make.conf</code> by default, you can
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either use this default setting or change it to <code>/usr/ports</code>.</p>
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</blockquote>
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<pre><code># Part of file: /etc/fstab.mx_example.com
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/usr/ports/distfiles /jails/mx.example.com/basejail/var/ports/distfiles nullfs rw 0 0
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</code></pre>
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<p>Create directory <code>/usr/jails/basejail/var/ports/distfiles</code>:</p>
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<pre><code># mkdir /usr/jails/basejail/var/ports/distfiles
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</code></pre><div class="footer">
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<p style="text-align: center; color: grey;">All documents are available in <a href="https://bitbucket.org/zhb/iredmail-docs/src">BitBucket repository</a>, and published under <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">Creative Commons</a> license. You can <a href="https://bitbucket.org/zhb/iredmail-docs/get/tip.tar.bz2">download the latest version</a> for offline reading. If you found something wrong, please do <a href="https://www.iredmail.org/contact.html">contact us</a> to fix it.</p>
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