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github-actions[bot] 2023-04-08 09:54:44 +00:00
parent 5f899d4b33
commit 26e2b1229b
52 changed files with 8206 additions and 9237 deletions

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@ -14,8 +14,14 @@
<link rel="canonical" href="https://docker-mailserver.github.io/docker-mailserver/edge/faq/">
<link rel="prev" href="../examples/use-cases/imap-folders/">
<link rel="next" href="../contributing/general/">
<link rel="icon" href="../assets/logo/favicon-32x32.png">
<meta name="generator" content="mkdocs-1.3.0, mkdocs-material-8.3.9">
<meta name="generator" content="mkdocs-1.4.2, mkdocs-material-9.1.5">
@ -23,13 +29,13 @@
<link rel="stylesheet" href="../assets/stylesheets/main.1d29e8d0.min.css">
<link rel="stylesheet" href="../assets/stylesheets/main.7a7fce14.min.css">
<link rel="stylesheet" href="../assets/stylesheets/palette.cbb835fc.min.css">
<link rel="stylesheet" href="../assets/stylesheets/palette.a0c5b2b5.min.css">
@ -44,12 +50,13 @@
<link rel="stylesheet" href="../assets/css/customizations.css">
<script>__md_scope=new URL("..",location),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script>
<script>__md_scope=new URL("..",location),__md_hash=e=>[...e].reduce((e,_)=>(e<<5)-e+_.charCodeAt(0),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script>
</head>
@ -81,10 +88,8 @@
</div>
<div data-md-component="outdated" hidden>
<aside class="md-banner md-banner--warning">
</aside>
<div data-md-color-scheme="default" data-md-component="outdated" hidden>
</div>
@ -120,7 +125,6 @@
<form class="md-header__option" data-md-component="palette">
<input class="md-option" data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme="default" data-md-color-primary="indigo" data-md-color-accent="indigo" aria-label="Switch to dark mode" type="radio" name="__palette" id="__palette_1">
<label class="md-header__button md-icon" title="Switch to dark mode" for="__palette_2" hidden>
@ -129,7 +133,6 @@
<input class="md-option" data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme="slate" data-md-color-primary="indigo" data-md-color-accent="blue" aria-label="Switch to light mode" type="radio" name="__palette" id="__palette_2">
<label class="md-header__button md-icon" title="Switch to light mode" for="__palette_1" hidden>
@ -155,7 +158,7 @@
</label>
<nav class="md-search__options" aria-label="Search">
<button type="reset" class="md-search__icon md-icon" aria-label="Clear" tabindex="-1">
<button type="reset" class="md-search__icon md-icon" title="Clear" aria-label="Clear" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41Z"/></svg>
</button>
</nav>
@ -167,7 +170,7 @@
<div class="md-search-result__meta">
Initializing search
</div>
<ol class="md-search-result__list"></ol>
<ol class="md-search-result__list" role="presentation"></ol>
</div>
</div>
</div>
@ -179,7 +182,7 @@
<a href="https://github.com/docker-mailserver/docker-mailserver" title="Go to repository" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512"><!--! Font Awesome Free 6.1.1 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 2022 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>
<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
@ -198,7 +201,7 @@
<nav class="md-tabs" aria-label="Tabs" data-md-component="tabs">
<div class="md-tabs__inner md-grid">
<div class="md-grid">
<ul class="md-tabs__list">
@ -363,7 +366,7 @@
<a href="https://github.com/docker-mailserver/docker-mailserver" title="Go to repository" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512"><!--! Font Awesome Free 6.1.1 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 2022 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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<div class="md-source__repository">
docker-mailserver
@ -429,17 +432,20 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4" type="checkbox" id="__nav_4" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4" >
<label class="md-nav__link" for="__nav_4">
<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" aria-label="Configuration" data-md-level="1">
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_4">
<span class="md-nav__icon md-icon"></span>
Configuration
@ -465,36 +471,25 @@
<li class="md-nav__item">
<a href="../config/setup.sh/" class="md-nav__link">
Your Best Friend setup.sh
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4_3" type="checkbox" id="__nav_4_3" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_2" >
<label class="md-nav__link" for="__nav_4_3">
<label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
User Management
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="User Management" data-md-level="2">
<label class="md-nav__title" for="__nav_4_3">
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_4_2">
<span class="md-nav__icon md-icon"></span>
User Management
</label>
@ -544,18 +539,21 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4_4" type="checkbox" id="__nav_4_4" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_3" >
<label class="md-nav__link" for="__nav_4_4">
<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" aria-label="Best Practices" data-md-level="2">
<label class="md-nav__title" for="__nav_4_4">
<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>
@ -633,18 +631,21 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4_5" type="checkbox" id="__nav_4_5" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_4" >
<label class="md-nav__link" for="__nav_4_5">
<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" aria-label="Security" data-md-level="2">
<label class="md-nav__title" for="__nav_4_5">
<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>
@ -732,34 +733,8 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4_6" type="checkbox" id="__nav_4_6" checked>
<label class="md-nav__link" for="__nav_4_6">
Troubleshooting
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Troubleshooting" data-md-level="2">
<label class="md-nav__title" for="__nav_4_6">
<span class="md-nav__icon md-icon"></span>
Troubleshooting
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../config/troubleshooting/debugging/" class="md-nav__link">
<a href="../config/debugging/" class="md-nav__link">
Debugging
</a>
</li>
@ -767,13 +742,6 @@
</ul>
</nav>
</li>
@ -793,21 +761,38 @@
<li class="md-nav__item">
<a href="../config/setup.sh/" class="md-nav__link">
Your Friend setup.sh
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</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4_8" type="checkbox" id="__nav_4_8" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_8" >
<label class="md-nav__link" for="__nav_4_8">
<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" aria-label="Advanced Configuration" data-md-level="2">
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_8_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_4_8">
<span class="md-nav__icon md-icon"></span>
Advanced Configuration
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<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4_8_2" type="checkbox" id="__nav_4_8_2" checked>
<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">
<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" aria-label="Maintenance" data-md-level="3">
<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
@ -884,17 +872,20 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4_8_3" type="checkbox" id="__nav_4_8_3" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_8_3" >
<label class="md-nav__link" for="__nav_4_8_3">
<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" aria-label="Override the Default Configs" data-md-level="3">
<nav class="md-nav" data-md-level="3" aria-labelledby="__nav_4_8_3_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_4_8_3">
<span class="md-nav__icon md-icon"></span>
Override the Default Configs
@ -1001,17 +992,20 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_4_8_7" type="checkbox" id="__nav_4_8_7" checked>
<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">
<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" aria-label="Email Forwarding" data-md-level="3">
<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
@ -1147,17 +1141,20 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_5" type="checkbox" id="__nav_5" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_5" >
<label class="md-nav__link" for="__nav_5">
<label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
Examples
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Examples" data-md-level="1">
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_5">
<span class="md-nav__icon md-icon"></span>
Examples
@ -1173,17 +1170,20 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_5_1" type="checkbox" id="__nav_5_1" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_5_1" >
<label class="md-nav__link" for="__nav_5_1">
<label class="md-nav__link" for="__nav_5_1" id="__nav_5_1_label" tabindex="0">
Tutorials
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Tutorials" data-md-level="2">
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_5_1_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_5_1">
<span class="md-nav__icon md-icon"></span>
Tutorials
@ -1262,17 +1262,20 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_5_2" type="checkbox" id="__nav_5_2" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_5_2" >
<label class="md-nav__link" for="__nav_5_2">
<label class="md-nav__link" for="__nav_5_2" id="__nav_5_2_label" tabindex="0">
Use Cases
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Use Cases" data-md-level="2">
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_5_2_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_5_2">
<span class="md-nav__icon md-icon"></span>
Use Cases
@ -1331,7 +1334,7 @@
<li class="md-nav__item md-nav__item--active">
<input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
<input class="md-nav__toggle md-toggle" type="checkbox" id="__toc">
@ -1535,6 +1538,13 @@
Can DMS run in a Rancher environment?
</a>
</li>
<li class="md-nav__item">
<a href="#connection-refused-or-no-response-at-all" class="md-nav__link">
Connection refused or No response at all
</a>
</li>
<li class="md-nav__item">
@ -1653,17 +1663,20 @@
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" data-md-toggle="__nav_7" type="checkbox" id="__nav_7" checked>
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_7" >
<label class="md-nav__link" for="__nav_7">
<label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
Contributing
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Contributing" data-md-level="1">
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_7">
<span class="md-nav__icon md-icon"></span>
Contributing
@ -1950,6 +1963,13 @@
Can DMS run in a Rancher environment?
</a>
</li>
<li class="md-nav__item">
<a href="#connection-refused-or-no-response-at-all" class="md-nav__link">
Connection refused or No response at all
</a>
</li>
<li class="md-nav__item">
@ -2057,14 +2077,14 @@
</div>
<div class="md-content" data-md-component="content">
<article class="md-content__inner md-typeset">
<div class="md-content" data-md-component="content">
<article class="md-content__inner md-typeset">
<a href="https://github.com/docker-mailserver/docker-mailserver/edit/master/docs/content/faq.md" title="Edit this page" class="md-content__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25Z"/></svg>
</a>
<h1>FAQ</h1>
@ -2078,9 +2098,9 @@
<h3 id="how-do-i-update-dms"><a class="toclink" href="#how-do-i-update-dms">How do I update DMS?</a></h3>
<p><strong>Make sure to read the <a href="https://github.com/docker-mailserver/docker-mailserver/blob/master/CHANGELOG.md">CHANGELOG</a></strong> before updating to new versions, to be prepared for possible breaking changes.</p>
<p>Then, run the following commands:</p>
<div class="highlight"><pre><span></span><code>docker-compose pull
docker-compose down
docker-compose up -d
<div class="highlight"><pre><span></span><code>docker-compose<span class="w"> </span>pull
docker-compose<span class="w"> </span>down
docker-compose<span class="w"> </span>up<span class="w"> </span>-d
</code></pre></div>
<p>You should see the new version number on startup, for example: <code>[ INF ] Welcome to docker-mailserver 11.3.1</code>. And you're done! Don't forget to have a look at the remaining functions of the <code>setup.sh</code> script with <code>./setup.sh help</code>.</p>
<h3 id="which-operating-systems-are-supported"><a class="toclink" href="#which-operating-systems-are-supported">Which operating systems are supported?</a></h3>
@ -2118,38 +2138,38 @@ docker-compose up -d
</div>
<h3 id="how-can-i-sync-the-container-and-host-datetime"><a class="toclink" href="#how-can-i-sync-the-container-and-host-datetime">How can I sync the container and host date/time?</a></h3>
<p>Share the host's <a href="https://www.freedesktop.org/software/systemd/man/localtime.html"><code>/etc/localtime</code></a> with the container, e.g. by using a bind mount:</p>
<div class="highlight"><pre><span></span><code><span class="nt">volumes</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">/etc/localtime:/etc/localtime:ro</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><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">/etc/localtime:/etc/localtime:ro</span>
</code></pre></div>
<p>Optionally, you can set the <code>TZ</code> ENV variable; e.g. <code>TZ=Europe/Berlin</code>. Check <a href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones">this list</a> for which values are allowed.</p>
<h3 id="what-is-the-file-format"><a class="toclink" href="#what-is-the-file-format">What is the file format?</a></h3>
<p>All files are using the Unix format with <code>LF</code> line endings. Please do not use <code>CRLF</code>.</p>
<h3 id="do-you-support-multiple-domains"><a class="toclink" href="#do-you-support-multiple-domains">Do you support multiple domains?</a></h3>
<p>DMS supports multiple domains out of the box, so you can do this:</p>
<div class="highlight"><pre><span></span><code>./setup.sh email add user1@example.com
./setup.sh email add user1@example.de
./setup.sh email add user1@server.example.org
<div class="highlight"><pre><span></span><code>./setup.sh<span class="w"> </span>email<span class="w"> </span>add<span class="w"> </span>user1@example.com
./setup.sh<span class="w"> </span>email<span class="w"> </span>add<span class="w"> </span>user1@example.de
./setup.sh<span class="w"> </span>email<span class="w"> </span>add<span class="w"> </span>user1@server.example.org
</code></pre></div>
<h3 id="what-about-backups"><a class="toclink" href="#what-about-backups">What about backups?</a></h3>
<h4 id="bind-mounts-default"><a class="toclink" href="#bind-mounts-default">Bind mounts (default)</a></h4>
<p>From the location of your <code>docker-compose.yml</code>, create a compressed archive of your <code>docker-data/dms/config/</code> and <code>docker-data/dms/mail-*</code> folders:</p>
<div class="highlight"><pre><span></span><code>tar --gzip -cf <span class="s2">&quot;backup-</span><span class="k">$(</span>date +%F<span class="k">)</span><span class="s2">.tar.gz&quot;</span> ./docker-data/dms
<div class="highlight"><pre><span></span><code>tar<span class="w"> </span>--gzip<span class="w"> </span>-cf<span class="w"> </span><span class="s2">&quot;backup-</span><span class="k">$(</span>date<span class="w"> </span>+%F<span class="k">)</span><span class="s2">.tar.gz&quot;</span><span class="w"> </span>./docker-data/dms
</code></pre></div>
<p>Then to restore <code>docker-data/dms/config/</code> and <code>docker-data/dms/mail-*</code> folders from your backup file:</p>
<div class="highlight"><pre><span></span><code>tar --gzip -xf backup-date.tar.gz
<div class="highlight"><pre><span></span><code>tar<span class="w"> </span>--gzip<span class="w"> </span>-xf<span class="w"> </span>backup-date.tar.gz
</code></pre></div>
<h4 id="volumes"><a class="toclink" href="#volumes">Volumes</a></h4>
<p>Assuming that you use <code>docker-compose</code> and data volumes, you can backup the configuration, emails and logs like this:</p>
<div class="highlight"><pre><span></span><code><span class="c1"># create backup</span>
docker run --rm -it <span class="se">\</span>
-v <span class="s2">&quot;</span><span class="si">${</span><span class="nv">PWD</span><span class="si">}</span><span class="s2">/docker-data/dms/config/:/tmp/docker-mailserver/&quot;</span> <span class="se">\</span>
-v <span class="s2">&quot;</span><span class="si">${</span><span class="nv">PWD</span><span class="si">}</span><span class="s2">/docker-data/dms-backups/:/backup/&quot;</span> <span class="se">\</span>
--volumes-from mailserver <span class="se">\</span>
alpine:latest <span class="se">\</span>
tar czf <span class="s2">&quot;/backup/mail-</span><span class="k">$(</span>date +%F<span class="k">)</span><span class="s2">.tar.gz&quot;</span> /var/mail /var/mail-state /var/log/mail /tmp/docker-mailserver
docker<span class="w"> </span>run<span class="w"> </span>--rm<span class="w"> </span>-it<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>-v<span class="w"> </span><span class="s2">&quot;</span><span class="si">${</span><span class="nv">PWD</span><span class="si">}</span><span class="s2">/docker-data/dms/config/:/tmp/docker-mailserver/&quot;</span><span class="w"> </span><span class="se">\</span>
<span class="w"> </span>-v<span class="w"> </span><span class="s2">&quot;</span><span class="si">${</span><span class="nv">PWD</span><span class="si">}</span><span class="s2">/docker-data/dms-backups/:/backup/&quot;</span><span class="w"> </span><span class="se">\</span>
<span class="w"> </span>--volumes-from<span class="w"> </span>mailserver<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>alpine:latest<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>tar<span class="w"> </span>czf<span class="w"> </span><span class="s2">&quot;/backup/mail-</span><span class="k">$(</span>date<span class="w"> </span>+%F<span class="k">)</span><span class="s2">.tar.gz&quot;</span><span class="w"> </span>/var/mail<span class="w"> </span>/var/mail-state<span class="w"> </span>/var/log/mail<span class="w"> </span>/tmp/docker-mailserver
<span class="c1"># delete backups older than 30 days</span>
find <span class="s2">&quot;</span><span class="si">${</span><span class="nv">PWD</span><span class="si">}</span><span class="s2">/docker-data/dms-backups/&quot;</span> -type f -mtime +30 -delete
find<span class="w"> </span><span class="s2">&quot;</span><span class="si">${</span><span class="nv">PWD</span><span class="si">}</span><span class="s2">/docker-data/dms-backups/&quot;</span><span class="w"> </span>-type<span class="w"> </span>f<span class="w"> </span>-mtime<span class="w"> </span>+30<span class="w"> </span>-delete
</code></pre></div>
<h3 id="what-about-the-docker-datadmsmail-state-folder"><a class="toclink" href="#what-about-the-docker-datadmsmail-state-folder">What about the <code>./docker-data/dms/mail-state</code> folder?</a></h3>
<p>When you run DMS with the ENV variable <code>ONE_DIR=1</code> (default), this folder will:</p>
@ -2162,17 +2182,17 @@ find <span class="s2">&quot;</span><span class="si">${</span><span class="nv">PW
<p>See <a href="../config/security/understanding-the-ports/">this part of the documentation</a> for further details and best practice advice, <strong>especially regarding security concerns</strong>.</p>
<h3 id="how-can-i-configure-my-email-client"><a class="toclink" href="#how-can-i-configure-my-email-client">How can I configure my email client?</a></h3>
<p>Login is full email address (<code>&lt;user&gt;@&lt;domain&gt;</code>).</p>
<div class="highlight"><pre><span></span><code><span class="c"># IMAP</span><span class="w"></span>
<span class="na">username</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;user1@example.com&gt;</span><span class="w"></span>
<span class="na">password</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;mypassword&gt;</span><span class="w"></span>
<span class="na">server</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;mail.example.com&gt;</span><span class="w"></span>
<span class="na">imap port</span><span class="o">:</span><span class="w"> </span><span class="s">143 or 993 with STARTTLS/SSL (recommended)</span><span class="w"></span>
<span class="na">imap path prefix</span><span class="o">:</span><span class="w"> </span><span class="s">INBOX</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="c1"># IMAP</span>
<span class="na">username</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;user1@example.com&gt;</span>
<span class="na">password</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;mypassword&gt;</span>
<span class="na">server</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;mail.example.com&gt;</span>
<span class="na">imap</span><span class="w"> </span><span class="s">port: 143 or 993 with STARTTLS/SSL (recommended)</span>
<span class="na">imap</span><span class="w"> </span><span class="s">path prefix: INBOX</span>
<span class="c"># SMTP</span><span class="w"></span>
<span class="na">smtp port</span><span class="o">:</span><span class="w"> </span><span class="s">25 or 587/465 with STARTTLS/SSL (recommended)</span><span class="w"></span>
<span class="na">username</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;user1@example.com&gt;</span><span class="w"></span>
<span class="na">password</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;mypassword&gt;</span><span class="w"></span>
<span class="c1"># SMTP</span>
<span class="na">smtp</span><span class="w"> </span><span class="s">port: 25 or 587/465 with STARTTLS/SSL (recommended)</span>
<span class="na">username</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;user1@example.com&gt;</span>
<span class="na">password</span><span class="o">:</span><span class="w"> </span><span class="s">&lt;mypassword&gt;</span>
</code></pre></div>
<p>DMS is properly configured for port 587, if possible, we recommend using port 465 for SMTP though. See <a href="#i-want-to-know-more-about-the-ports">this section to learn more about ports</a>.</p>
<h3 id="can-i-use-a-nakedbare-domain-ie-no-hostname"><a class="toclink" href="#can-i-use-a-nakedbare-domain-ie-no-hostname">Can I use a naked/bare domain (i.e. no hostname)?</a></h3>
@ -2189,21 +2209,21 @@ find <span class="s2">&quot;</span><span class="si">${</span><span class="nv">PW
<p>Also you need to define <code>hostname: example.com</code> in your docker-compose.yml and don't sepecify the <code>domainname:</code> at all.</p>
<h3 id="how-can-i-configure-a-catch-all"><a class="toclink" href="#how-can-i-configure-a-catch-all">How can I configure a catch-all?</a></h3>
<p>Considering you want to redirect all incoming e-mails for the domain <code>example.com</code> to <code>user1@example.com</code>, add the following line to <code>docker-data/dms/config/postfix-virtual.cf</code>:</p>
<div class="highlight"><pre><span></span><code><span class="na">@example.com user1@example.com</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="na">@example.com user1@example.com</span>
</code></pre></div>
<h3 id="how-can-i-delete-all-the-emails-for-a-specific-user"><a class="toclink" href="#how-can-i-delete-all-the-emails-for-a-specific-user">How can I delete all the emails for a specific user?</a></h3>
<p>First of all, create a special alias named <code>devnull</code> by editing <code>docker-data/dms/config/postfix-aliases.cf</code>:</p>
<div class="highlight"><pre><span></span><code><span class="na">devnull: /dev/null</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="na">devnull</span><span class="o">:</span><span class="w"> </span><span class="s">/dev/null</span>
</code></pre></div>
<p>Considering you want to delete all the e-mails received for <code>baduser@example.com</code>, add the following line to <code>docker-data/dms/config/postfix-virtual.cf</code>:</p>
<div class="highlight"><pre><span></span><code><span class="na">baduser@example.com devnull</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="na">baduser@example.com devnull</span>
</code></pre></div>
<div class="admonition important">
<p class="admonition-title">Important</p>
<p>If you use a catch-all rule for the main/sub domain, you need another entry in <code>docker-data/dms/config/postfix-virtual.cf</code>:</p>
<div class="highlight"><pre><span></span><code><span class="na">@mail.example.com hello@example.com</span><span class="w"></span>
<span class="na">baduser@example.com devnull</span><span class="w"></span>
<span class="na">devnull@mail.example.com devnull</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="na">@mail.example.com hello@example.com</span>
<span class="na">baduser@example.com devnull</span>
<span class="na">devnull@mail.example.com devnull</span>
</code></pre></div>
</div>
<h3 id="what-kind-of-ssl-certificates-can-i-use"><a class="toclink" href="#what-kind-of-ssl-certificates-can-i-use">What kind of SSL certificates can I use?</a></h3>
@ -2220,6 +2240,14 @@ Few examples of symptoms can be found <a href="https://github.com/docker-mailser
<p class="admonition-title">Warning</p>
<p>Adding the Docker network's gateway to the list of trusted hosts, e.g. using the <code>network</code> or <code>connected-networks</code> option, can create an <a href="https://en.wikipedia.org/wiki/Open_mail_relay"><strong>open relay</strong></a>, for instance <a href="https://github.com/docker-mailserver/docker-mailserver/issues/1405#issuecomment-590106498">if IPv6 is enabled on the host machine but not in Docker</a>.</p>
</div>
<h3 id="connection-refused-or-no-response-at-all"><a class="toclink" href="#connection-refused-or-no-response-at-all">Connection refused or No response at all</a></h3>
<p>You see errors like "Connection Refused" and "Connection closed by foreign host", or you cannot connect at all? You may not be able to connect with your mail client (MUA)? Make sure to check Fail2Ban did not ban you (for exceeding the number of tried logins for example)! You can run</p>
<div class="highlight"><pre><span></span><code>docker<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>&lt;CONTAINER<span class="w"> </span>NAME&gt;<span class="w"> </span>setup<span class="w"> </span>fail2ban
</code></pre></div>
<p>and check whether your IP address appears. Use</p>
<div class="highlight"><pre><span></span><code>docker<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>&lt;CONTAINER<span class="w"> </span>NAME&gt;<span class="w"> </span>setup<span class="w"> </span>fail2ban<span class="w"> </span>unban<span class="w"> </span>&lt;YOUR<span class="w"> </span>IP&gt;
</code></pre></div>
<p>to unban the IP address.</p>
<h3 id="how-can-i-authenticate-users-with-smtp_only1"><a class="toclink" href="#how-can-i-authenticate-users-with-smtp_only1">How can I authenticate users with <code>SMTP_ONLY=1</code>?</a></h3>
<p>See <a href="https://github.com/docker-mailserver/docker-mailserver/issues/1247">#1247</a> for an example.</p>
<div class="admonition todo">
@ -2228,40 +2256,40 @@ Few examples of symptoms can be found <a href="https://github.com/docker-mailser
</div>
<h3 id="common-errors"><a class="toclink" href="#common-errors">Common Errors</a></h3>
<div class="highlight"><pre><span></span><code><span class="go">warning: connect to Milter service inet:localhost:8893: Connection refused</span>
<span class="gp"># </span>DMARC not <span class="nv">running</span>
<span class="gp"># </span><span class="o">=</span>&gt; /etc/init.d/opendmarc restart
<span class="gp"># </span>DMARC<span class="w"> </span>not<span class="w"> </span><span class="nv">running</span>
<span class="gp"># </span><span class="o">=</span>&gt;<span class="w"> </span>/etc/init.d/opendmarc<span class="w"> </span>restart
<span class="go">warning: connect to Milter service inet:localhost:8891: Connection refused</span>
<span class="gp"># </span>DKIM not <span class="nv">running</span>
<span class="gp"># </span><span class="o">=</span>&gt; /etc/init.d/opendkim restart
<span class="gp"># </span>DKIM<span class="w"> </span>not<span class="w"> </span><span class="nv">running</span>
<span class="gp"># </span><span class="o">=</span>&gt;<span class="w"> </span>/etc/init.d/opendkim<span class="w"> </span>restart
<span class="go">mail amavis[1459]: (01459-01) (!)connect to /var/run/clamav/clamd.ctl failed, attempt #1: Can&#39;t connect to a UNIX socket /var/run/clamav/clamd.ctl: No such file or directory</span>
<span class="go">mail amavis[1459]: (01459-01) (!)ClamAV-clamd: All attempts (1) failed connecting to /var/run/clamav/clamd.ctl, retrying (2)</span>
<span class="go">mail amavis[1459]: (01459-01) (!)ClamAV-clamscan av-scanner FAILED: /usr/bin/clamscan KILLED, signal 9 (0009) at (eval 100) line 905.</span>
<span class="go">mail amavis[1459]: (01459-01) (!!)AV: ALL VIRUS SCANNERS FAILED</span>
<span class="gp"># </span>Clamav is not running <span class="o">(</span>not started or because you don<span class="err">&#39;</span>t have enough memory<span class="o">)</span>
<span class="gp"># </span><span class="o">=</span>&gt; check requirements and/or start Clamav
<span class="gp"># </span>Clamav<span class="w"> </span>is<span class="w"> </span>not<span class="w"> </span>running<span class="w"> </span><span class="o">(</span>not<span class="w"> </span>started<span class="w"> </span>or<span class="w"> </span>because<span class="w"> </span>you<span class="w"> </span>don<span class="err">&#39;</span>t<span class="w"> </span>have<span class="w"> </span>enough<span class="w"> </span>memory<span class="o">)</span>
<span class="gp"># </span><span class="o">=</span>&gt;<span class="w"> </span>check<span class="w"> </span>requirements<span class="w"> </span>and/or<span class="w"> </span>start<span class="w"> </span>Clamav
</code></pre></div>
<h3 id="how-to-use-dms-behind-a-proxy"><a class="toclink" href="#how-to-use-dms-behind-a-proxy">How to use DMS behind a proxy</a></h3>
<p><a href="../config/advanced/override-defaults/user-patches/">Using <code>user-patches.sh</code></a>, update the container file <code>/etc/postfix/main.cf</code> to include:</p>
<div class="highlight"><pre><span></span><code><span class="na">proxy_interfaces</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">X.X.X.X (your public IP)</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="na">proxy_interfaces</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">X.X.X.X (your public IP)</span>
</code></pre></div>
<h3 id="how-to-adjust-settings-with-the-user-patchessh-script"><a class="toclink" href="#how-to-adjust-settings-with-the-user-patchessh-script">How to adjust settings with the <code>user-patches.sh</code> script</a></h3>
<p>Suppose you want to change a number of settings that are not listed as variables or add things to the server that are not included?</p>
<p><code>docker-mailserver</code> has a built-in way to do post-install processes. If you place a script called <strong><code>user-patches.sh</code></strong> in the config directory it will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started.</p>
<p>It is common to use a local directory for config added to <code>docker-mailsever</code> via a volume mount in your <code>docker-compose.yml</code> (eg: <code>./docker-data/dms/config/:/tmp/docker-mailserver/</code>).</p>
<p>Add or create the script file to your config directory:</p>
<div class="highlight"><pre><span></span><code><span class="nb">cd</span> ./docker-data/dms/config
touch user-patches.sh
chmod +x user-patches.sh
<div class="highlight"><pre><span></span><code><span class="nb">cd</span><span class="w"> </span>./docker-data/dms/config
touch<span class="w"> </span>user-patches.sh
chmod<span class="w"> </span>+x<span class="w"> </span>user-patches.sh
</code></pre></div>
<p>Then fill <code>user-patches.sh</code> with suitable code.</p>
<p>If you want to test it you can move into the running container, run it and see if it does what you want. For instance:</p>
<div class="highlight"><pre><span></span><code><span class="c1"># start shell in container</span>
./setup.sh debug login
./setup.sh<span class="w"> </span>debug<span class="w"> </span>login
<span class="c1"># check the file</span>
cat /tmp/docker-mailserver/user-patches.sh
cat<span class="w"> </span>/tmp/docker-mailserver/user-patches.sh
<span class="c1"># run the script</span>
/tmp/docker-mailserver/user-patches.sh
@ -2276,13 +2304,13 @@ cat /tmp/docker-mailserver/user-patches.sh
<p>It seems worth noting, that the <code>user-patches.sh</code> gets executed through <code>supervisord</code>. If you need to patch some supervisord config (e.g. <code>/etc/supervisor/conf.d/saslauth.conf</code>), the patching happens too late.</p>
<p>An easy workaround is to make the <code>user-patches.sh</code> reload the supervisord config after patching it:</p>
<div class="highlight"><pre><span></span><code><span class="ch">#!/bin/bash</span>
sed -i <span class="s1">&#39;s/rimap -r/rimap/&#39;</span> /etc/supervisor/conf.d/saslauth.conf
supervisorctl update
sed<span class="w"> </span>-i<span class="w"> </span><span class="s1">&#39;s/rimap -r/rimap/&#39;</span><span class="w"> </span>/etc/supervisor/conf.d/saslauth.conf
supervisorctl<span class="w"> </span>update
</code></pre></div>
</div>
<h3 id="how-to-ban-custom-ip-addresses-with-fail2ban"><a class="toclink" href="#how-to-ban-custom-ip-addresses-with-fail2ban">How to ban custom IP addresses with Fail2ban</a></h3>
<p>Use the following command:</p>
<div class="highlight"><pre><span></span><code>./setup.sh fail2ban ban &lt;IP&gt;
<div class="highlight"><pre><span></span><code>./setup.sh<span class="w"> </span>fail2ban<span class="w"> </span>ban<span class="w"> </span>&lt;IP&gt;
</code></pre></div>
<p>The default bantime is 180 days. This value can be <a href="../config/security/fail2ban/">customized</a>.</p>
<h3 id="what-to-do-in-case-of-spfforwarding-problems"><a class="toclink" href="#what-to-do-in-case-of-spfforwarding-problems">What to do in case of SPF/Forwarding problems</a></h3>
@ -2305,20 +2333,20 @@ supervisorctl update
<h4 id="what-are-acceptable-sa_spam_subject-values"><a class="toclink" href="#what-are-acceptable-sa_spam_subject-values">What are acceptable <code>SA_SPAM_SUBJECT</code> values?</a></h4>
<p>For no subject set <code>SA_SPAM_SUBJECT=undef</code>.</p>
<p>For a trailing white-space subject one can define the whole variable with quotes in <code>docker-compose.yml</code>:</p>
<div class="highlight"><pre><span></span><code><span class="nt">environment</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="s">&quot;SA_SPAM_SUBJECT=[SPAM]</span><span class="nv"> </span><span class="s">&quot;</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="nt">environment</span><span class="p">:</span>
<span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="s">&quot;SA_SPAM_SUBJECT=[SPAM]</span><span class="nv"> </span><span class="s">&quot;</span>
</code></pre></div>
<h4 id="why-are-spamassassin-x-headers-not-inserted-into-my-subdomainexamplecom-subdomain-emails"><a class="toclink" href="#why-are-spamassassin-x-headers-not-inserted-into-my-subdomainexamplecom-subdomain-emails">Why are SpamAssassin <code>x-headers</code> not inserted into my <code>subdomain.example.com</code> subdomain emails?</a></h4>
<p>In the default setup, amavis only applies SpamAssassin x-headers into domains matching the template listed in the config file (<code>05-domain_id</code> in the amavis defaults).</p>
<p>The default setup <code>@local_domains_acl = ( ".$mydomain" );</code> does not match subdomains. To match subdomains, you can override the <code>@local_domains_acl</code> directive in the amavis user config file <code>50-user</code> with <code>@local_domains_maps = (".");</code> to match any sort of domain template.</p>
<h4 id="how-can-i-make-spamassassin-better-recognize-spam"><a class="toclink" href="#how-can-i-make-spamassassin-better-recognize-spam">How can I make SpamAssassin better recognize spam?</a></h4>
<p>Put received spams in <code>.Junk/</code> imap folder using <code>SPAMASSASSIN_SPAM_TO_INBOX=1</code> and <code>MOVE_SPAM_TO_JUNK=1</code> and add a <em>user</em> cron like the following:</p>
<div class="highlight"><pre><span></span><code><span class="c1"># This assumes you&#39;re having `environment: ONE_DIR=1` in the `mailserver.env`,</span><span class="w"></span>
<span class="c1"># with a consolidated config in `/var/mail-state`</span><span class="w"></span>
<span class="c1">#</span><span class="w"></span>
<span class="c1"># m h dom mon dow command</span><span class="w"></span>
<span class="c1"># Everyday 2:00AM, learn spam from a specific user</span><span class="w"></span>
<span class="na">0 2 * * * docker exec mailserver sa-learn --spam /var/mail/example.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="c1"># This assumes you&#39;re having `environment: ONE_DIR=1` in the `mailserver.env`,</span>
<span class="c1"># with a consolidated config in `/var/mail-state`</span>
<span class="c1">#</span>
<span class="c1"># m h dom mon dow command</span>
<span class="c1"># Everyday 2:00AM, learn spam from a specific user</span>
<span class="na">0 2 * * * docker exec mailserver sa-learn --spam /var/mail/example.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin</span>
</code></pre></div>
<p>With <code>docker-compose</code> you can more easily use the internal instance of <code>cron</code> within <code>docker-mailserver</code>. This is less problematic than the simple solution shown above, because it decouples the learning from the host on which <code>docker-mailserver</code> is running, and avoids errors if the mail-server is not running.</p>
<p>The following configuration works nicely:</p>
@ -2326,65 +2354,65 @@ supervisorctl update
<summary>Example</summary>
<p>Create a <em>system</em> cron file:</p>
<div class="highlight"><pre><span></span><code><span class="c1"># in the docker-compose.yml root directory</span>
mkdir -p ./docker-data/dms/cron
touch ./docker-data/dms/cron/sa-learn
chown root:root ./docker-data/dms/cron/sa-learn
chmod <span class="m">0644</span> ./docker-data/dms/cron/sa-learn
mkdir<span class="w"> </span>-p<span class="w"> </span>./docker-data/dms/cron
touch<span class="w"> </span>./docker-data/dms/cron/sa-learn
chown<span class="w"> </span>root:root<span class="w"> </span>./docker-data/dms/cron/sa-learn
chmod<span class="w"> </span><span class="m">0644</span><span class="w"> </span>./docker-data/dms/cron/sa-learn
</code></pre></div>
<p>Edit the system cron file <code>nano ./docker-data/dms/cron/sa-learn</code>, and set an appropriate configuration:</p>
<div class="highlight"><pre><span></span><code><span class="c1"># This assumes you&#39;re having `environment: ONE_DIR=1` in the env-mailserver,</span><span class="w"></span>
<span class="c1"># with a consolidated config in `/var/mail-state`</span><span class="w"></span>
<span class="c1">#</span><span class="w"></span>
<span class="c1"># &#39;&gt; /dev/null&#39; to send error notifications from &#39;stderr&#39; to &#39;postmaster@example.com&#39;</span><span class="w"></span>
<span class="c1">#</span><span class="w"></span>
<span class="c1"># m h dom mon dow user command</span><span class="w"></span>
<span class="c1">#</span><span class="w"></span>
<span class="c1"># Everyday 2:00AM, learn spam from a specific user</span><span class="w"></span>
<span class="c1"># spam: junk directory</span><span class="w"></span>
<span class="na">0 2 * * * root sa-learn --spam /var/mail/example.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span><span class="w"></span>
<span class="c1"># ham: archive directories</span><span class="w"></span>
<span class="na">15 2 * * * root sa-learn --ham /var/mail/example.com/username/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span><span class="w"></span>
<span class="c1"># ham: inbox subdirectories</span><span class="w"></span>
<span class="na">30 2 * * * root sa-learn --ham /var/mail/example.com/username/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span><span class="w"></span>
<span class="c1">#</span><span class="w"></span>
<span class="c1"># Everyday 3:00AM, learn spam from all users of a domain</span><span class="w"></span>
<span class="c1"># spam: junk directory</span><span class="w"></span>
<span class="na">0 3 * * * root sa-learn --spam /var/mail/not-example.com/*/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span><span class="w"></span>
<span class="c1"># ham: archive directories</span><span class="w"></span>
<span class="na">15 3 * * * root sa-learn --ham /var/mail/not-example.com/*/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span><span class="w"></span>
<span class="c1"># ham: inbox subdirectories</span><span class="w"></span>
<span class="na">30 3 * * * root sa-learn --ham /var/mail/not-example.com/*/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="c1"># This assumes you&#39;re having `environment: ONE_DIR=1` in the env-mailserver,</span>
<span class="c1"># with a consolidated config in `/var/mail-state`</span>
<span class="c1">#</span>
<span class="c1"># &#39;&gt; /dev/null&#39; to send error notifications from &#39;stderr&#39; to &#39;postmaster@example.com&#39;</span>
<span class="c1">#</span>
<span class="c1"># m h dom mon dow user command</span>
<span class="c1">#</span>
<span class="c1"># Everyday 2:00AM, learn spam from a specific user</span>
<span class="c1"># spam: junk directory</span>
<span class="na">0 2 * * * root sa-learn --spam /var/mail/example.com/username/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span>
<span class="c1"># ham: archive directories</span>
<span class="na">15 2 * * * root sa-learn --ham /var/mail/example.com/username/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span>
<span class="c1"># ham: inbox subdirectories</span>
<span class="na">30 2 * * * root sa-learn --ham /var/mail/example.com/username/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span>
<span class="c1">#</span>
<span class="c1"># Everyday 3:00AM, learn spam from all users of a domain</span>
<span class="c1"># spam: junk directory</span>
<span class="na">0 3 * * * root sa-learn --spam /var/mail/not-example.com/*/.Junk --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span>
<span class="c1"># ham: archive directories</span>
<span class="na">15 3 * * * root sa-learn --ham /var/mail/not-example.com/*/.Archive* --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span>
<span class="c1"># ham: inbox subdirectories</span>
<span class="na">30 3 * * * root sa-learn --ham /var/mail/not-example.com/*/cur* --dbpath /var/mail-state/lib-amavis/.spamassassin &gt; /dev/null</span>
</code></pre></div>
<p>Then with <code>docker-compose.yml</code>:</p>
<div class="highlight"><pre><span></span><code><span class="nt">services</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="nt">mailserver</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">docker.io/mailserver/docker-mailserver:latest</span><span class="w"></span>
<span class="w"> </span><span class="nt">volumes</span><span class="p">:</span><span class="w"></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/cron/sa-learn:/etc/cron.d/sa-learn</span><span class="w"></span>
<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">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">ghcr.io/docker-mailserver/docker-mailserver:latest</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/cron/sa-learn:/etc/cron.d/sa-learn</span>
</code></pre></div>
<p>Or with <a href="https://docs.docker.com/engine/swarm/configs/">Docker Swarm</a>:</p>
<div class="highlight"><pre><span></span><code><span class="nt">version</span><span class="p">:</span><span class="w"> </span><span class="s">&#39;3.8&#39;</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="nt">version</span><span class="p">:</span><span class="w"> </span><span class="s">&#39;3.8&#39;</span>
<span class="nt">services</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="nt">mailserver</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">docker.io/mailserver/docker-mailserver:latest</span><span class="w"></span>
<span class="w"> </span><span class="c1"># ...</span><span class="w"></span>
<span class="w"> </span><span class="nt">configs</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">source</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">my_sa_crontab</span><span class="w"></span>
<span class="w"> </span><span class="nt">target</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">/etc/cron.d/sa-learn</span><span class="w"></span>
<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">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">ghcr.io/docker-mailserver/docker-mailserver:latest</span>
<span class="w"> </span><span class="c1"># ...</span>
<span class="w"> </span><span class="nt">configs</span><span class="p">:</span>
<span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">source</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">my_sa_crontab</span>
<span class="w"> </span><span class="nt">target</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">/etc/cron.d/sa-learn</span>
<span class="nt">configs</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="nt">my_sa_crontab</span><span class="p">:</span><span class="w"></span>
<span class="w"> </span><span class="nt">file</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./docker-data/dms/cron/sa-learn</span><span class="w"></span>
<span class="nt">configs</span><span class="p">:</span>
<span class="w"> </span><span class="nt">my_sa_crontab</span><span class="p">:</span>
<span class="w"> </span><span class="nt">file</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./docker-data/dms/cron/sa-learn</span>
</code></pre></div>
</details>
<p>With the default settings, SpamAssassin will require 200 mails trained for spam (for example with the method explained above) and 200 mails trained for ham (using the same command as above but using <code>--ham</code> and providing it with some ham mails). Until you provided these 200+200 mails, SpamAssassin will not take the learned mails into account. For further reference, see the <a href="https://wiki.apache.org/spamassassin/BayesNotWorking">SpamAssassin Wiki</a>.</p>
<h4 id="how-do-i-have-more-control-about-what-spamassassin-is-filtering"><a class="toclink" href="#how-do-i-have-more-control-about-what-spamassassin-is-filtering">How do I have more control about what SpamAssassin is filtering?</a></h4>
<p>By default, SPAM and INFECTED emails are put to a quarantine which is not very straight forward to access. Several config settings are affecting this behavior:</p>
<p>First, make sure you have the proper thresholds set:</p>
<div class="highlight"><pre><span></span><code><span class="na">SA_TAG</span><span class="o">=</span><span class="s">-100000.0</span><span class="w"></span>
<span class="na">SA_TAG2</span><span class="o">=</span><span class="s">3.75</span><span class="w"></span>
<span class="na">SA_KILL</span><span class="o">=</span><span class="s">100000.0</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="na">SA_TAG</span><span class="o">=</span><span class="s">-100000.0</span>
<span class="na">SA_TAG2</span><span class="o">=</span><span class="s">3.75</span>
<span class="na">SA_KILL</span><span class="o">=</span><span class="s">100000.0</span>
</code></pre></div>
<ul>
<li>The very negative vaue in <code>SA_TAG</code> makes sure, that all emails have the SpamAssassin headers included.</li>
@ -2392,7 +2420,7 @@ chmod <span class="m">0644</span> ./docker-data/dms/cron/sa-learn
<li><code>SA_KILL</code> needs to be very high, to make sure nothing is bounced at all (<code>SA_KILL</code> superseeds <code>SPAMASSASSIN_SPAM_TO_INBOX</code>)</li>
</ul>
<p>Make sure everything (including SPAM) is delivered to the inbox and not quarantined:</p>
<div class="highlight"><pre><span></span><code><span class="na">SPAMASSASSIN_SPAM_TO_INBOX</span><span class="o">=</span><span class="s">1</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="na">SPAMASSASSIN_SPAM_TO_INBOX</span><span class="o">=</span><span class="s">1</span>
</code></pre></div>
<p>Use <code>MOVE_SPAM_TO_JUNK=1</code> or create a sieve script which puts spam to the Junk folder:</p>
<div class="highlight"><pre><span></span><code><span class="kn">require</span> <span class="p">[</span><span class="s">&quot;comparator-i;ascii-numeric&quot;</span><span class="p">,</span><span class="s">&quot;relational&quot;</span><span class="p">,</span><span class="s">&quot;fileinto&quot;</span><span class="p">];</span>
@ -2406,64 +2434,33 @@ chmod <span class="m">0644</span> ./docker-data/dms/cron/sa-learn
<span class="p">}</span>
</code></pre></div>
<p>Create a dedicated mailbox for emails which are infected/bad header and everything amavis is blocking by default and put its address into <code>docker-data/dms/config/amavis.cf</code></p>
<div class="highlight"><pre><span></span><code><span class="na">$clean_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;;</span><span class="w"></span>
<span class="na">$virus_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;;</span><span class="w"></span>
<span class="na">$banned_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;;</span><span class="w"></span>
<span class="na">$bad_header_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;;</span><span class="w"></span>
<span class="na">$spam_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;;</span><span class="w"></span>
<div class="highlight"><pre><span></span><code><span class="na">$clean_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;</span><span class="c1">;</span>
<span class="na">$virus_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;</span><span class="c1">;</span>
<span class="na">$banned_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;</span><span class="c1">;</span>
<span class="na">$bad_header_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;</span><span class="c1">;</span>
<span class="na">$spam_quarantine_to</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;amavis\@example.com&quot;</span><span class="c1">;</span>
</code></pre></div>
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