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deploy: 652bbd831f6d25bf79b619094610011891ecddb7
2023-05-10 08:37:26 +00:00
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<h1 id="user-management"><a class="toclink" href="#user-management">User Management</a></h1>
<h2 id="accounts"><a class="toclink" href="#accounts">Accounts</a></h2>
<p>Users (email accounts) are managed in <code>/tmp/docker-mailserver/postfix-accounts.cf</code>. The best way to manage accounts is to use the reliable <code>setup</code> command inside the container. Just run <code>docker exec &lt;CONTAINER NAME&gt; setup help</code> and have a look at the section about subcommands, specifically the <code>email</code> subcommand.</p>
<h3 id="adding-a-new-account"><a class="toclink" href="#adding-a-new-account">Adding a new Account</a></h3>
<h4 id="via-setup-inside-the-container"><a class="toclink" href="#via-setup-inside-the-container">Via <code>setup</code> inside the container</a></h4>
<p>You can add an account by running <code>docker exec -ti &lt;CONTAINER NAME&gt; setup email add &lt;NEW ADDRESS&gt;</code>. This method is strongly preferred.</p>
<h4 id="manually"><a class="toclink" href="#manually">Manually</a></h4>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>This method is discouraged!</p>
</div>
<p>Alternatively, you may directly add the full email address and its encrypted password, separated by a pipe. To generate a new mail account data, directly from your host, you could for example run the following:</p>
<div class="highlight"><pre><span></span><code>docker<span class="w"> </span>run<span class="w"> </span>--rm<span class="w"> </span>-it<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>--env<span class="w"> </span><span class="nv">MAIL_USER</span><span class="o">=</span>user1@example.com<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>--env<span class="w"> </span><span class="nv">MAIL_PASS</span><span class="o">=</span>mypassword<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>ghcr.io/docker-mailserver/docker-mailserver:latest<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>/bin/bash<span class="w"> </span>-c<span class="w"> </span><span class="se">\</span>
<span class="w"> </span><span class="s1">&#39;echo &quot;${MAIL_USER}|$(doveadm pw -s SHA512-CRYPT -u ${MAIL_USER} -p ${MAIL_PASS})&quot; &gt;&gt;docker-data/dms/config/postfix-accounts.cf&#39;</span>
</code></pre></div>
<p>You will then be asked for a password, and be given back the data for a new account entry, as text. To actually <em>add</em> this new account, just copy all the output text in <code>docker-data/dms/config/postfix-accounts.cf</code> file of your running container.</p>
<p>The result could look like this:</p>
<div class="highlight"><pre><span></span><code><span class="na">user1@example.com|{SHA512-CRYPT}$6$2YpW1nYtPBs2yLYS$z.5PGH1OEzsHHNhl3gJrc3D.YMZkvKw/vp.r5WIiwya6z7P/CQ9GDEJDr2G2V0cAfjDFeAQPUoopsuWPXLk3u1</span>
</code></pre></div>
<h3 id="quotas"><a class="toclink" href="#quotas">Quotas</a></h3>
<ul>
<li><code>imap-quota</code> is enabled and allow clients to query their mailbox usage.</li>
<li>When the mailbox is deleted, the quota directive is deleted as well.</li>
<li>Dovecot quotas support LDAP, <strong>but it's not implemented</strong> (<em>PRs are welcome!</em>).</li>
</ul>
<h2 id="aliases"><a class="toclink" href="#aliases">Aliases</a></h2>
<p>The best way to manage aliases is to use the reliable <code>setup</code> script inside the container. Just run <code>docker exec &lt;CONTAINER NAME&gt; setup help</code> and have a look at the section about subcommands, specifically the <code>alias</code>-subcommand.</p>
<h3 id="about"><a class="toclink" href="#about">About</a></h3>
<p>You may read <a href="http://www.postfix.org/VIRTUAL_README.html#virtual_alias">Postfix's documentation on virtual aliases</a> first. Aliases are managed in <code>/tmp/docker-mailserver/postfix-virtual.cf</code>. An alias is a full email address that will either be:</p>
<ul>
<li>delivered to an existing account registered in <code>/tmp/docker-mailserver/postfix-accounts.cf</code></li>
<li>redirected to one or more other email addresses</li>
</ul>
<p>Alias and target are space separated. An example on a server with <code>example.com</code> as its domain:</p>
<div class="highlight"><pre><span></span><code><span class="c1"># Alias delivered to an existing account</span>
<span class="na">alias1@example.com user1@example.com</span>
<span class="c1"># Alias forwarded to an external email address</span>
<span class="na">alias2@example.com external-account@gmail.com</span>
</code></pre></div>
<h3 id="configuring-regexp-aliases"><a class="toclink" href="#configuring-regexp-aliases">Configuring RegExp Aliases</a></h3>
<p>Additional regexp aliases can be configured by placing them into <code>docker-data/dms/config/postfix-regexp.cf</code>. The regexp aliases get evaluated after the virtual aliases (container path: <code>/tmp/docker-mailserver/postfix-virtual.cf</code>). For example, the following <code>docker-data/dms/config/postfix-regexp.cf</code> causes all email sent to "test" users to be delivered to <code>qa@example.com</code> instead:</p>
<div class="highlight"><pre><span></span><code><span class="na">/^test[0-9][0-9]*@example.com/ qa@example.com</span>
</code></pre></div>
<h3 id="address-tags-extension-delimiters-as-an-alternative-to-aliases"><a class="toclink" href="#address-tags-extension-delimiters-as-an-alternative-to-aliases">Address Tags (Extension Delimiters) as an alternative to Aliases</a></h3>
<p>Postfix supports so-called address tags, in the form of plus (+) tags - i.e. <code>address+tag@example.com</code> will end up at <code>address@example.com</code>. This is configured by default and the (configurable!) separator is set to <code>+</code>. For more info, see <a href="http://www.postfix.org/postconf.5.html#recipient_delimiter">Postfix's official documentation</a>.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>If you do decide to change the configurable separator, you must add the same line to <em>both</em> <code>docker-data/dms/config/postfix-main.cf</code> and <code>docker-data/dms/config/dovecot.cf</code>, because Dovecot is acting as the delivery agent. For example, to switch to <code>-</code>, add:</p>
<div class="highlight"><pre><span></span><code><span class="na">recipient_delimiter</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">-</span>
</code></pre></div>
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