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<meta name="description" content="A fullstack but simple mail-server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker.">
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<meta name="author" content="docker-mailserver (Github Organization)">
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<link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/latest/config/advanced/override-defaults/dovecot/">
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<title>Override the Default Configs | Dovecot - Docker Mailserver</title>
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Docker Mailserver
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Override the Default Configs | Dovecot
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512"><!--! Font Awesome Free 6.3.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg>
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docker-mailserver
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</a>
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</nav>
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Home
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<li class="md-tabs__item">
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<a href="../../../../introduction/" class="md-tabs__link">
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Introduction
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Usage
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<li class="md-tabs__item">
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<a href="../../../environment/" class="md-tabs__link md-tabs__link--active">
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Configuration
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<li class="md-tabs__item">
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<a href="../../../../examples/tutorials/basic-installation/" class="md-tabs__link">
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Examples
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<li class="md-tabs__item">
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<a href="../../../../faq/" class="md-tabs__link">
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FAQ
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<li class="md-tabs__item">
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<a href="../../../../contributing/general/" class="md-tabs__link">
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Contributing
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<li class="md-tabs__item">
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<a href="https://hub.docker.com/r/mailserver/docker-mailserver/" class="md-tabs__link">
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DockerHub
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</a>
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<li class="md-tabs__item">
|
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<a href="https://github.com/docker-mailserver/docker-mailserver/pkgs/container/docker-mailserver" class="md-tabs__link">
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GHCR
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</a>
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</li>
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</ul>
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</nav>
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<main class="md-main" data-md-component="main">
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<nav class="md-nav md-nav--primary md-nav--lifted" aria-label="Navigation" data-md-level="0">
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<a href="../../../.." title="Docker Mailserver" class="md-nav__button md-logo" aria-label="Docker Mailserver" data-md-component="logo">
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<img src="../../../../assets/logo/dmo-logo-white.min.svg" alt="logo">
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</a>
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Docker Mailserver
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</label>
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<div class="md-nav__source">
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<a href="https://github.com/docker-mailserver/docker-mailserver" title="Go to repository" class="md-source" data-md-component="source">
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|
||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512"><!--! Font Awesome Free 6.3.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg>
|
||
</div>
|
||
<div class="md-source__repository">
|
||
docker-mailserver
|
||
</div>
|
||
</a>
|
||
</div>
|
||
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../.." class="md-nav__link">
|
||
Home
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../../introduction/" class="md-nav__link">
|
||
Introduction
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../../usage/" class="md-nav__link">
|
||
Usage
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" checked>
|
||
|
||
|
||
|
||
<label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
|
||
Configuration
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
|
||
<label class="md-nav__title" for="__nav_4">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
Configuration
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../environment/" class="md-nav__link">
|
||
Environment Variables
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../user-management/" class="md-nav__link">
|
||
User Management
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_3" >
|
||
|
||
|
||
|
||
<label class="md-nav__link" for="__nav_4_3" id="__nav_4_3_label" tabindex="0">
|
||
Best Practices
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_3_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_4_3">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
Best Practices
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../best-practices/dkim/" class="md-nav__link">
|
||
DKIM
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../best-practices/dmarc/" class="md-nav__link">
|
||
DMARC
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../best-practices/spf/" class="md-nav__link">
|
||
SPF
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../best-practices/autodiscover/" class="md-nav__link">
|
||
Auto-discovery
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_4" >
|
||
|
||
|
||
|
||
<label class="md-nav__link" for="__nav_4_4" id="__nav_4_4_label" tabindex="0">
|
||
Security
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_4_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_4_4">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
Security
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../security/understanding-the-ports/" class="md-nav__link">
|
||
Understanding the Ports
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../security/ssl/" class="md-nav__link">
|
||
SSL/TLS
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../security/fail2ban/" class="md-nav__link">
|
||
Fail2Ban
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../security/mail_crypt/" class="md-nav__link">
|
||
Mail Encryption
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../security/rspamd/" class="md-nav__link">
|
||
Rspamd
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../debugging/" class="md-nav__link">
|
||
Debugging
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../pop3/" class="md-nav__link">
|
||
Mail Delivery with POP3
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../../setup.sh/" class="md-nav__link">
|
||
Your Friend setup.sh
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_8" checked>
|
||
|
||
|
||
|
||
<label class="md-nav__link" for="__nav_4_8" id="__nav_4_8_label" tabindex="0">
|
||
Advanced Configuration
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_8_label" aria-expanded="true">
|
||
<label class="md-nav__title" for="__nav_4_8">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
Advanced Configuration
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../optional-config/" class="md-nav__link">
|
||
Optional Configuration
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_8_2" >
|
||
|
||
|
||
|
||
<label class="md-nav__link" for="__nav_4_8_2" id="__nav_4_8_2_label" tabindex="0">
|
||
Maintenance
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<nav class="md-nav" data-md-level="3" aria-labelledby="__nav_4_8_2_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_4_8_2">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
Maintenance
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../maintenance/update-and-cleanup/" class="md-nav__link">
|
||
Update and Cleanup
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_8_3" checked>
|
||
|
||
|
||
|
||
<label class="md-nav__link" for="__nav_4_8_3" id="__nav_4_8_3_label" tabindex="0">
|
||
Override the Default Configs
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<nav class="md-nav" data-md-level="3" aria-labelledby="__nav_4_8_3_label" aria-expanded="true">
|
||
<label class="md-nav__title" for="__nav_4_8_3">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
Override the Default Configs
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--active">
|
||
|
||
<input class="md-nav__toggle md-toggle" type="checkbox" id="__toc">
|
||
|
||
|
||
|
||
<label class="md-nav__link md-nav__link--active" for="__toc">
|
||
Dovecot
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<a href="./" class="md-nav__link md-nav__link--active">
|
||
Dovecot
|
||
</a>
|
||
|
||
|
||
|
||
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
|
||
|
||
|
||
|
||
|
||
<label class="md-nav__title" for="__toc">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
Table of contents
|
||
</label>
|
||
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#add-configuration" class="md-nav__link">
|
||
Add Configuration
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#override-configuration" class="md-nav__link">
|
||
Override Configuration
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#debugging" class="md-nav__link">
|
||
Debugging
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../postfix/" class="md-nav__link">
|
||
Postfix
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../user-patches/" class="md-nav__link">
|
||
Modifications via Script
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../auth-ldap/" class="md-nav__link">
|
||
LDAP Authentication
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../mail-sieve/" class="md-nav__link">
|
||
Email Filtering with Sieve
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../mail-fetchmail/" class="md-nav__link">
|
||
Email Gathering with Fetchmail
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_8_7" >
|
||
|
||
|
||
|
||
<label class="md-nav__link" for="__nav_4_8_7" id="__nav_4_8_7_label" tabindex="0">
|
||
Email Forwarding
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<nav class="md-nav" data-md-level="3" aria-labelledby="__nav_4_8_7_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_4_8_7">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
Email Forwarding
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
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<li class="md-nav__item">
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<h1>Dovecot</h1>
|
||
|
||
<h2 id="add-configuration"><a class="toclink" href="#add-configuration">Add Configuration</a></h2>
|
||
<p>The Dovecot default configuration can easily be extended providing a <code>docker-data/dms/config/dovecot.cf</code> file.
|
||
<a href="https://doc.dovecot.org/configuration_manual/">Dovecot documentation</a> remains the best place to find configuration options.</p>
|
||
<p>Your <code>docker-mailserver</code> folder should look like this example:</p>
|
||
<div class="highlight"><pre><span></span><code>├── docker-data/dms/config
|
||
│ ├── dovecot.cf
|
||
│ ├── postfix-accounts.cf
|
||
│ └── postfix-virtual.cf
|
||
├── docker-compose.yml
|
||
└── README.md
|
||
</code></pre></div>
|
||
<p>One common option to change is the maximum number of connections per user:</p>
|
||
<div class="highlight"><pre><span></span><code><span class="na">mail_max_userip_connections</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">100</span>
|
||
</code></pre></div>
|
||
<p>Another important option is the <code>default_process_limit</code> (defaults to <code>100</code>). If high-security mode is enabled you'll need to make sure this count is higher than the maximum number of users that can be logged in simultaneously.</p>
|
||
<p>This limit is quickly reached if users connect to the <code>docker-mailserver</code> with multiple end devices.</p>
|
||
<h2 id="override-configuration"><a class="toclink" href="#override-configuration">Override Configuration</a></h2>
|
||
<p>For major configuration changes it’s best to override the dovecot configuration files. For each configuration file you want to override, add a list entry under the <code>volumes</code> key.</p>
|
||
<div class="highlight"><pre><span></span><code><span class="nt">services</span><span class="p">:</span>
|
||
<span class="w"> </span><span class="nt">mailserver</span><span class="p">:</span>
|
||
<span class="w"> </span><span class="nt">volumes</span><span class="p">:</span>
|
||
<span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./docker-data/dms/mail-data/:/var/mail/</span>
|
||
<span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./docker-data/dms/config/dovecot/10-master.conf:/etc/dovecot/conf.d/10-master.conf</span>
|
||
</code></pre></div>
|
||
<p>You will first need to obtain the configuration from the running container (<em>where <code>mailserver</code> is the container name</em>):</p>
|
||
<div class="highlight"><pre><span></span><code>mkdir<span class="w"> </span>-p<span class="w"> </span>./docker-data/dms/config/dovecot
|
||
docker<span class="w"> </span>cp<span class="w"> </span>mailserver:/etc/dovecot/conf.d/10-master.conf<span class="w"> </span>./docker-data/dms/config/dovecot/10-master.conf
|
||
</code></pre></div>
|
||
<h2 id="debugging"><a class="toclink" href="#debugging">Debugging</a></h2>
|
||
<p>To debug your dovecot configuration you can use:</p>
|
||
<ul>
|
||
<li>This command: <code>./setup.sh debug login doveconf | grep <some-keyword></code></li>
|
||
<li>Or: <code>docker exec -it mailserver doveconf | grep <some-keyword></code></li>
|
||
</ul>
|
||
<div class="admonition note">
|
||
<p class="admonition-title">Note</p>
|
||
<p><a href="https://github.com/docker-mailserver/docker-mailserver/blob/master/setup.sh"><code>setup.sh</code></a> is included in the <code>docker-mailserver</code> repository. Make sure to use the one matching your image version release.</p>
|
||
</div>
|
||
<p>The file <code>docker-data/dms/config/dovecot.cf</code> is copied internally to <code>/etc/dovecot/local.conf</code>. To verify the file content, run:</p>
|
||
<div class="highlight"><pre><span></span><code>docker<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>-it<span class="w"> </span>mailserver<span class="w"> </span>cat<span class="w"> </span>/etc/dovecot/local.conf
|
||
</code></pre></div>
|
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