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@ -1418,23 +1419,16 @@
<article class="md-content__inner md-typeset">
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</a>
<h1>Auto-discovery</h1>
<p>Email auto-discovery means a client email is able to automagically find out about what ports and security options to use, based on the mail-server URI. It can help simplify the tedious / confusing task of adding own's email account for non-tech savvy users.</p>
<a href="https://github.com/docker-mailserver/docker-mailserver/edit/master/docs/content/config/best-practices/autodiscover.md" title="Edit this page" class="md-content__button md-icon">
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</a>
<h1>Auto-discovery</h1>
<p>Email auto-discovery means a client email is able to automagically find out about what ports and security options to use, based on the mail-server URI. It can help simplify the tedious / confusing task of adding own's email account for non-tech savvy users.</p>
<p>Email clients will search for auto-discoverable settings and prefill almost everything when a user enters its email address <img alt="❤" class="twemoji" src="https://twemoji.maxcdn.com/v/latest/svg/2764.svg" title=":heart:" /></p>
<p>There exists <a href="https://hub.docker.com/r/monogramm/autodiscover-email-settings/">autodiscover-email-settings</a> on which provides IMAP/POP/SMTP/LDAP autodiscover capabilities on Microsoft Outlook/Apple Mail, autoconfig capabilities for Thunderbird or kmail and configuration profiles for iOS/Apple Mail.</p>
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@ -1448,8 +1442,7 @@
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<h1>DKIM</h1>
<p>DKIM is a security measure targeting email spoofing. It is greatly recommended one activates it.</p>
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<h1>DKIM</h1>
<p>DKIM is a security measure targeting email spoofing. It is greatly recommended one activates it.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>See <a href="https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail">the Wikipedia page</a> for more details on DKIM.</p>
@ -1638,13 +1637,6 @@
<p class="admonition-title">Key sizes &gt;=4096-bit</p>
<p>Keys of 4096 bits could de denied by some mail-servers. According to <a href="https://tools.ietf.org/html/rfc6376">https://tools.ietf.org/html/rfc6376</a> keys are preferably between 512 and 2048 bits. See issue <a href="https://github.com/docker-mailserver/docker-mailserver/issues/1854">#1854</a>.</p>
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<h1>DMARC</h1>
<p>More information at <a href="https://github.com/internetstandards/toolbox-wiki/blob/master/DMARC-how-to.md">DMARC Guide</a>.</p>
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<h1>DMARC</h1>
<p>More information at <a href="https://github.com/internetstandards/toolbox-wiki/blob/master/DMARC-how-to.md">DMARC Guide</a>.</p>
<h2 id="enabling-dmarc"><a class="toclink" href="#enabling-dmarc">Enabling DMARC</a></h2>
<p>In <code>docker-mailserver</code>, DMARC is pre-configured out of the box. The only thing you need to do in order to enable it, is to add new <code>TXT</code> entry to your DNS.</p>
<p>In contrast with <a href="../dkim/">DKIM</a>, the DMARC DNS entry does not require any keys, but merely setting the [configuration values][dmarc-howto-configtags]. You can either handcraft the entry by yourself or use one of available generators (like <a href="https://dmarcguide.globalcyberalliance.org">this one</a>).</p>
@ -1506,13 +1505,6 @@
</code></pre></div>
<p>DMARC status is not being displayed instantly in Gmail for instance. If you want to check it directly after DNS entries, you can use some services around the Internet such as from <a href="https://dmarcguide.globalcyberalliance.org">Global Cyber Alliance</a> or <a href="https://ondmarc.redsift.com">RedSift</a>. In other cases, email clients will show "DMARC: PASS" in ~1 day or so.</p>
<p>Reference: <a href="https://github.com/docker-mailserver/docker-mailserver/issues/1511">#1511</a></p>
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@ -9,14 +9,13 @@
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@ -346,8 +348,7 @@
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@ -589,7 +590,6 @@
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@ -1463,7 +1463,6 @@
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@ -1501,14 +1500,14 @@
<article class="md-content__inner md-typeset">
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<h1>SPF</h1>
<p>From <a href="https://en.wikipedia.org/wiki/Sender_Policy_Framework">Wikipedia</a>:</p>
<a href="https://github.com/docker-mailserver/docker-mailserver/edit/master/docs/content/config/best-practices/spf.md" title="Edit this page" class="md-content__button md-icon">
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</a>
<h1>SPF</h1>
<p>From <a href="https://en.wikipedia.org/wiki/Sender_Policy_Framework">Wikipedia</a>:</p>
<div class="admonition quote">
<p class="admonition-title">Quote</p>
<p>Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrators. The list of authorized sending hosts for a domain is published in the Domain Name System (DNS) records for that domain in the form of a specially formatted TXT record. Email spam and phishing often use forged "from" addresses, so publishing and checking SPF records can be considered anti-spam techniques.</p>
@ -1546,13 +1545,6 @@ example.com. IN TXT &quot;v=spf1 mx ~all&quot;
<div class="highlight"><pre><span></span><code><span class="nt">volumes</span><span class="p">:</span>
<span class="p p-Indicator">-</span> <span class="l l-Scalar l-Scalar-Plain">./docker-data/dms/config/postfix-policyd-spf.conf:/etc/postfix-policyd-spf-python/policyd-spf.conf</span>
</code></pre></div>
</article>
@ -1566,8 +1558,7 @@ example.com. IN TXT &quot;v=spf1 mx ~all&quot;
</main>
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@ -1606,20 +1597,19 @@ example.com. IN TXT &quot;v=spf1 mx ~all&quot;
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@ -1629,10 +1619,10 @@ example.com. IN TXT &quot;v=spf1 mx ~all&quot;
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