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<h1 class="page">Distributed James Server &mdash; Configuration</h1>
<div id="preamble">
<div class="sectionbody">
<div class="paragraph">
<p>This section presents how to configure the Distributed server.</p>
</div>
<div class="paragraph">
<p>The Distributed Server relies on separated files for configuring various components. Some files follow a <strong>xml</strong> format
and some others follow a <strong>property</strong> format. Some files can be omitted, in which case the functionality can be disabled,
or rely on reasonable defaults.</p>
</div>
<div class="paragraph">
<p>The following configuration files are exposed:</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_for_protocols"><a class="anchor" href="#_for_protocols"></a>For protocols</h2>
<div class="sectionbody">
<div class="paragraph">
<p>By omitting these files, the underlying protocols will be disabled.</p>
</div>
<div class="ulist">
<ul>
<li>
<p><a href="imap.html" class="xref page"><strong>imapserver.xml</strong></a> allows configuration for the IMAP protocol <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/imapserver.xml">example</a></p>
</li>
<li>
<p><a href="jmap.html" class="xref page"><strong>jmap.properties</strong></a> allows to configure the JMAP protocol <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/jmap.properties">example</a></p>
</li>
<li>
<p><a href="jmx.html" class="xref page"><strong>jmx.properties</strong></a> allows configuration of JMX being used by the Command Line Interface <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/jmx.properties">example</a></p>
</li>
<li>
<p><a href="smtp.html#_lmtp_configuration" class="xref page"><strong>lmtpserver.xml</strong></a> allows configuring the LMTP protocol <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/lmtpserver.xml">example</a></p>
</li>
<li>
<p><strong>managesieveserver.xml</strong> allows configuration for ManagedSieve (unsupported) <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/managesieveserver.xml">example</a></p>
</li>
<li>
<p><a href="pop3.html" class="xref page"><strong>pop3server.xml</strong></a> allows configuration for the POP3 protocol (experimental) <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/pop3server.xml">example</a></p>
</li>
<li>
<p><a href="smtp.html" class="xref page"><strong>smtpserver.xml</strong></a> allows configuration for the SMTP protocol <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/smtpserver.xml">example</a></p>
<div class="ulist">
<ul>
<li>
<p><a href="smtp-hooks.html" class="xref page">This page</a> list SMTP hooks that can be used out of the box with the Distributed Server.</p>
</li>
</ul>
</div>
</li>
<li>
<p><a href="webadmin.html" class="xref page"><strong>webadmin.properties</strong></a> enables configuration for the WebAdmin protocol <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/webadmin.properties">example</a></p>
</li>
<li>
<p><a href="ssl.html" class="xref page">This page</a> details SSL &amp; TLS configuration.</p>
</li>
<li>
<p><a href="sieve.html" class="xref page">This page</a> details Sieve setup and how to enable ManageSieve.</p>
</li>
</ul>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_for_storage_dependencies"><a class="anchor" href="#_for_storage_dependencies"></a>For storage dependencies</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Except specific documented cases, these files are required, at least to establish a connection with the storage components.</p>
</div>
<div class="ulist">
<ul>
<li>
<p><a href="blobstore.html" class="xref page"><strong>blobstore.properties</strong></a> allows to configure the BlobStore <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/blob.properties">example</a></p>
</li>
<li>
<p><a href="cassandra.html" class="xref page"><strong>cassandra.properties</strong></a> allows to configure the Cassandra driver <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/cassandra.properties">example</a></p>
</li>
<li>
<p><a href="opensearch.html" class="xref page"><strong>opensearch.properties</strong></a> allows to configure OpenSearch driver <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/opensearch.properties">example</a></p>
</li>
<li>
<p><a href="rabbitmq.html" class="xref page"><strong>rabbitmq.properties</strong></a> allows configuration for the RabbitMQ driver <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/rabbitmq.properties">example</a></p>
</li>
<li>
<p><a href="redis.html" class="xref page"><strong>redis.properties</strong></a> allows configuration for the Redis driver <a href="https://github.com/apache/james-project/blob/fabfdf4874da3aebb04e6fe4a7277322a395536a/server/mailet/rate-limiter-redis/redis.properties">example</a>, that is used by optional
distributed rate limiting component.</p>
</li>
<li>
<p><a href="tika.html" class="xref page"><strong>tika.properties</strong></a> allows configuring Tika as a backend for text extraction <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/tika.properties">example</a></p>
</li>
</ul>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_for_core_components"><a class="anchor" href="#_for_core_components"></a>For core components</h2>
<div class="sectionbody">
<div class="paragraph">
<p>By omitting these files, sane default values are used.</p>
</div>
<div class="ulist">
<ul>
<li>
<p><a href="batchsizes.html" class="xref page"><strong>batchsizes.properties</strong></a> allows to configure mailbox read batch sizes <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/batchsizes.properties">example</a></p>
</li>
<li>
<p><a href="dns.html" class="xref page"><strong>dnsservice.xml</strong></a> allows to configure DNS resolution <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/dnsservice.xml">example</a></p>
</li>
<li>
<p><a href="domainlist.html" class="xref page"><strong>domainlist.xml</strong></a> allows to configure Domain storage <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/domainlist.xml">example</a></p>
</li>
<li>
<p><a href="healthcheck.html" class="xref page"><strong>healthcheck.properties</strong></a> allows to configure periodical healthchecks <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/healthcheck.properties">example</a></p>
</li>
<li>
<p><a href="mailetcontainer.html" class="xref page"><strong>mailetcontainer.xml</strong></a> allows configuring mail processing <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/mailetcontainer.xml">example</a></p>
<div class="ulist">
<ul>
<li>
<p><a href="mailets.html" class="xref page">This page</a> list matchers that can be used out of the box with the Distributed Server.</p>
</li>
<li>
<p><a href="matchers.html" class="xref page">This page</a> list matchers that can be used out of the box with the Distributed Server.</p>
</li>
</ul>
</div>
</li>
<li>
<p><a href="mailrepositorystore.html" class="xref page"><strong>mailrepositorystore.xml</strong></a> enables registration of allowed MailRepository protcols and link them to MailRepository implementations <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/mailrepositorystore.xml">example</a></p>
</li>
<li>
<p><a href="recipientrewritetable.html" class="xref page"><strong>recipientrewritetable.xml</strong></a> enables advanced configuration for the Recipient Rewrite Table component <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/recipientrewritetable.xml">example</a></p>
<div class="ulist">
<ul>
<li>
<p><a href="matchers.html" class="xref page">This page</a> allows choosing the indexing technology.</p>
</li>
</ul>
</div>
</li>
<li>
<p><a href="usersrepository.html" class="xref page"><strong>usersrepository.xml</strong></a> allows configuration of user storage <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/usersrepository.xml">example</a></p>
</li>
</ul>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_for_extensions"><a class="anchor" href="#_for_extensions"></a>For extensions</h2>
<div class="sectionbody">
<div class="paragraph">
<p>By omitting these files, no extra behaviour is added.</p>
</div>
<div class="ulist">
<ul>
<li>
<p><a href="vault.html" class="xref page"><strong>deletedMessageVault.properties</strong></a> allows to configure the DeletedMessageVault <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/deletedMessageVault.properties">example</a></p>
</li>
<li>
<p><a href="listeners.html" class="xref page"><strong>listeners.xml</strong></a> enables configuration of Mailbox Listeners <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/listeners.xml">example</a></p>
</li>
<li>
<p><a href="extensions.html" class="xref page"><strong>extensions.properties</strong></a> allows to extend James behaviour by loading your extensions in it <a href="https://github.com/apache/james-project/blob/master/server/apps/distributed-app/sample-configuration/extensions.properties">example</a></p>
</li>
<li>
<p><a href="jvm.html" class="xref page"><strong>jvm.properties</strong></a> lets you specify additional system properties without cluttering your command line</p>
</li>
<li>
<p><a href="spam.html" class="xref page">This page</a> documents Anti-Spam setup with SpamAssassin, Rspamd.</p>
</li>
<li>
<p><a href="remote-delivery-error-handling.html" class="xref page">This page</a> proposes a simple strategy for RemoteDelivery error handling.</p>
</li>
<li>
<p><a href="collecting-contacts.html" class="xref page">This page</a> documents contact collection</p>
</li>
<li>
<p><a href="collecting-events.html" class="xref page">This page</a> documents event collection</p>
</li>
<li>
<p><a href="dsn.html" class="xref page">this page</a> specified how to support SMTP Delivery Submission Notification (<a href="https://tools.ietf.org/html/rfc3461">RFC-3461</a>)</p>
</li>
</ul>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_system_properties"><a class="anchor" href="#_system_properties"></a>System properties</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Some tuning can be done via system properties. This includes:</p>
</div>
<table class="tableblock frame-all grid-all stretch">
<caption class="title">Table 1. System properties</caption>
<colgroup>
<col style="width: 50%;">
<col style="width: 50%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Property name</th>
<th class="tableblock halign-left valign-top">explanation</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">james.message.memory.threshold</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">(Optional). String (size, integer + size units, example: <code>12 KIB</code>, supported units are bytes KIB MIB GIB TIB). Defaults to 100KIB.
This governs the threshold MimeMessageInputStreamSource relies on for storing MimeMessage content on disk.
Below, data is stored in memory. Above data is stored on disk.
Lower values will lead to longer processing time but will minimize heap memory usage. Modern SSD hardware
should however support a high throughput. Higher values will lead to faster single mail processing at the cost
of higher heap usage.</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">james.message.usememorycopy</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Optional. Boolean. Defaults to false. Recommended value is false.
Should MimeMessageWrapper use a copy of the message in memory? Or should bigger message exceeding james.message.memory.threshold
be copied to temporary files?</p></td>
</tr>
</tbody>
</table>
</div>
</div>
</article>
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