mailcow-dockerized-docs/troubleshooting/debug-common_problems/index.html

2632 Zeilen
64 KiB
HTML

<!doctype html>
<html lang="en" class="no-js">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="canonical" href="https://mailcow.github.io/mailcow-dockerized-docs/troubleshooting/debug-common_problems/">
<link rel="icon" href="../../assets/images/favicon.png">
<meta name="generator" content="mkdocs-1.2.3, mkdocs-material-8.1.11">
<title>Common Problems - mailcow: dockerized documentation</title>
<link rel="stylesheet" href="../../assets/stylesheets/main.50e68009.min.css">
<link rel="stylesheet" href="../../assets/stylesheets/palette.e6a45f82.min.css">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&display=fallback">
<style>:root{--md-text-font:"Roboto";--md-code-font:"Roboto Mono"}</style>
<link rel="stylesheet" href="../../assets/stylesheets/extra.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>
</head>
<body dir="ltr" data-md-color-scheme="default" data-md-color-primary="" data-md-color-accent="">
<script>var palette=__md_get("__palette");if(palette&&"object"==typeof palette.color)for(var key of Object.keys(palette.color))document.body.setAttribute("data-md-color-"+key,palette.color[key])</script>
<input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
<input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
<label class="md-overlay" for="__drawer"></label>
<div data-md-component="skip">
<a href="#mail-loops-back-to-myself" class="md-skip">
Skip to content
</a>
</div>
<div data-md-component="announce">
</div>
<header class="md-header" data-md-component="header">
<nav class="md-header__inner md-grid" aria-label="Header">
<a href="../.." title="mailcow: dockerized documentation" class="md-header__button md-logo" aria-label="mailcow: dockerized documentation" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
</a>
<label class="md-header__button md-icon" for="__drawer">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2z"/></svg>
</label>
<div class="md-header__title" data-md-component="header-title">
<div class="md-header__ellipsis">
<div class="md-header__topic">
<span class="md-ellipsis">
mailcow: dockerized documentation
</span>
</div>
<div class="md-header__topic" data-md-component="header-topic">
<span class="md-ellipsis">
Common Problems
</span>
</div>
</div>
</div>
<form class="md-header__option" data-md-component="palette">
<input class="md-option" data-md-color-media="" data-md-color-scheme="default" data-md-color-primary="" data-md-color-accent="" aria-label="Dark Mode" type="radio" name="__palette" id="__palette_1">
<label class="md-header__button md-icon" title="Dark Mode" for="__palette_2" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 6H7c-3.31 0-6 2.69-6 6s2.69 6 6 6h10c3.31 0 6-2.69 6-6s-2.69-6-6-6zm0 10H7c-2.21 0-4-1.79-4-4s1.79-4 4-4h10c2.21 0 4 1.79 4 4s-1.79 4-4 4zM7 9c-1.66 0-3 1.34-3 3s1.34 3 3 3 3-1.34 3-3-1.34-3-3-3z"/></svg>
</label>
<input class="md-option" data-md-color-media="" data-md-color-scheme="slate" data-md-color-primary="" data-md-color-accent="" aria-label="Light Mode" type="radio" name="__palette" id="__palette_2">
<label class="md-header__button md-icon" title="Light Mode" for="__palette_1" hidden>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 7H7a5 5 0 0 0-5 5 5 5 0 0 0 5 5h10a5 5 0 0 0 5-5 5 5 0 0 0-5-5m0 8a3 3 0 0 1-3-3 3 3 0 0 1 3-3 3 3 0 0 1 3 3 3 3 0 0 1-3 3z"/></svg>
</label>
</form>
<div class="md-header__option">
<div class="md-select">
<button class="md-header__button md-icon" aria-label="Select language">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="m12.87 15.07-2.54-2.51.03-.03A17.52 17.52 0 0 0 14.07 6H17V4h-7V2H8v2H1v2h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11.76-2.04M18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2l-4.5-12m-2.62 7 1.62-4.33L19.12 17h-3.24z"/></svg>
</button>
<div class="md-select__inner">
<ul class="md-select__list">
<li class="md-select__item">
<a href="./" hreflang="en" class="md-select__link">
English
</a>
</li>
<li class="md-select__item">
<a href="../../de/troubleshooting/debug-common_problems/" hreflang="de" class="md-select__link">
Deutsch
</a>
</li>
</ul>
</div>
</div>
</div>
<label class="md-header__button md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
</label>
<div class="md-search" data-md-component="search" role="dialog">
<label class="md-search__overlay" for="__search"></label>
<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
<input type="text" class="md-search__input" name="query" aria-label="Search" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" required>
<label class="md-search__icon md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg>
</label>
<nav class="md-search__options" aria-label="Search">
<button type="reset" class="md-search__icon md-icon" 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>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" data-md-scrollfix>
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Initializing search
</div>
<ol class="md-search-result__list"></ol>
</div>
</div>
</div>
</div>
</div>
<div class="md-header__source">
<a href="https://github.com/mailcow/mailcow-dockerized/" 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 0 448 512"><!--! Font Awesome Free 6.0.0 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 2022 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
</div>
<div class="md-source__repository">
mailcow/mailcow-dockerized
</div>
</a>
</div>
</nav>
</header>
<div class="md-container" data-md-component="container">
<main class="md-main" data-md-component="main">
<div class="md-main__inner md-grid">
<div class="md-sidebar md-sidebar--primary" data-md-component="sidebar" data-md-type="navigation" >
<div class="md-sidebar__scrollwrap">
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--primary" aria-label="Navigation" data-md-level="0">
<label class="md-nav__title" for="__drawer">
<a href="../.." title="mailcow: dockerized documentation" class="md-nav__button md-logo" aria-label="mailcow: dockerized documentation" data-md-component="logo">
<img src="../../assets/images/logo.svg" alt="logo">
</a>
mailcow: dockerized documentation
</label>
<div class="md-nav__source">
<a href="https://github.com/mailcow/mailcow-dockerized/" 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 0 448 512"><!--! Font Awesome Free 6.0.0 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 2022 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
</div>
<div class="md-source__repository">
mailcow/mailcow-dockerized
</div>
</a>
</div>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../.." class="md-nav__link">
Information & Support
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2" type="checkbox" id="__nav_2" >
<label class="md-nav__link" for="__nav_2">
Prerequisites
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Prerequisites" data-md-level="1">
<label class="md-nav__title" for="__nav_2">
<span class="md-nav__icon md-icon"></span>
Prerequisites
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../prerequisite/prerequisite-system/" class="md-nav__link">
Prepare your system
</a>
</li>
<li class="md-nav__item">
<a href="../../prerequisite/prerequisite-dns/" class="md-nav__link">
DNS setup
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3" type="checkbox" id="__nav_3" >
<label class="md-nav__link" for="__nav_3">
Installation, Update & Migration
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Installation, Update & Migration" data-md-level="1">
<label class="md-nav__title" for="__nav_3">
<span class="md-nav__icon md-icon"></span>
Installation, Update & Migration
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../i_u_m/i_u_m_install/" class="md-nav__link">
Installation
</a>
</li>
<li class="md-nav__item">
<a href="../../i_u_m/i_u_m_update/" class="md-nav__link">
Update
</a>
</li>
<li class="md-nav__item">
<a href="../../i_u_m/i_u_m_migration/" class="md-nav__link">
Migration
</a>
</li>
<li class="md-nav__item">
<a href="../../i_u_m/i_u_m_deinstall/" class="md-nav__link">
Deinstallation
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_4" type="checkbox" id="__nav_4" >
<label class="md-nav__link" for="__nav_4">
Post Installation Tasks
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Post Installation Tasks" data-md-level="1">
<label class="md-nav__title" for="__nav_4">
<span class="md-nav__icon md-icon"></span>
Post Installation Tasks
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-ssl/" class="md-nav__link">
Advanced SSL
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-disable_ipv6/" class="md-nav__link">
Disable IPv6
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-dmarc_reporting/" class="md-nav__link">
DMARC Reporting
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-ip_bindings/" class="md-nav__link">
IP bindings
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-local_mta/" class="md-nav__link">
Local MTA on Docker host
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-logging/" class="md-nav__link">
Logging
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-rp/" class="md-nav__link">
Reverse Proxy
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-rspamd_ui/" class="md-nav__link">
Rspamd UI
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-snat/" class="md-nav__link">
SNAT
</a>
</li>
<li class="md-nav__item">
<a href="../../post_installation/firststeps-sync_jobs_migration/" class="md-nav__link">
Sync job migration
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5" type="checkbox" id="__nav_5" >
<label class="md-nav__link" for="__nav_5">
Models
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Models" data-md-level="1">
<label class="md-nav__title" for="__nav_5">
<span class="md-nav__icon md-icon"></span>
Models
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../models/model-acl/" class="md-nav__link">
ACL
</a>
</li>
<li class="md-nav__item">
<a href="../../models/model-passwd/" class="md-nav__link">
Password hashing
</a>
</li>
<li class="md-nav__item">
<a href="../../models/model-sender_rcv/" class="md-nav__link">
Sender and receiver model
</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" data-md-toggle="__nav_6" type="checkbox" id="__nav_6" checked>
<label class="md-nav__link" for="__nav_6">
General Troubleshooting
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="General Troubleshooting" data-md-level="1">
<label class="md-nav__title" for="__nav_6">
<span class="md-nav__icon md-icon"></span>
General Troubleshooting
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../debug/" class="md-nav__link">
Introduction
</a>
</li>
<li class="md-nav__item">
<a href="../debug-admin_login_sogo/" class="md-nav__link">
Admin login to SOGo
</a>
</li>
<li class="md-nav__item">
<a href="../debug-rspamd_memory_leaks/" class="md-nav__link">
Advanced: Find memory leaks in Rspamd
</a>
</li>
<li class="md-nav__item">
<a href="../debug-attach_service/" class="md-nav__link">
Attach to a Container
</a>
</li>
<li class="md-nav__item md-nav__item--active">
<input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
<label class="md-nav__link md-nav__link--active" for="__toc">
Common Problems
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
Common Problems
</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="#mail-loops-back-to-myself" class="md-nav__link">
Mail loops back to myself
</a>
</li>
<li class="md-nav__item">
<a href="#i-can-receive-but-not-send-mails" class="md-nav__link">
I can receive but not send mails
</a>
</li>
<li class="md-nav__item">
<a href="#my-mails-are-identified-as-spam" class="md-nav__link">
My mails are identified as Spam
</a>
</li>
<li class="md-nav__item">
<a href="#docker-compose-throws-weird-errors" class="md-nav__link">
docker-compose throws weird errors
</a>
</li>
<li class="md-nav__item">
<a href="#container-xy-is-unhealthy" class="md-nav__link">
Container XY is unhealthy
</a>
</li>
<li class="md-nav__item">
<a href="#address-already-in-use" class="md-nav__link">
Address already in use
</a>
</li>
<li class="md-nav__item">
<a href="#xyz-cant-connect-to" class="md-nav__link">
XYZ can't connect to ...
</a>
</li>
<li class="md-nav__item">
<a href="#inotify-instance-limit-for-user-5000-uid-vmail-exceeded-see-453" class="md-nav__link">
Inotify instance limit for user 5000 (UID vmail) exceeded (see #453)
</a>
</li>
<li class="md-nav__item">
<a href="#dovecot-keeps-restarting-see-2672" class="md-nav__link">
Dovecot keeps restarting (see #2672)
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../debug-logs/" class="md-nav__link">
Logs
</a>
</li>
<li class="md-nav__item">
<a href="../debug-mysql_upgrade/" class="md-nav__link">
Manual MySQL upgrade
</a>
</li>
<li class="md-nav__item">
<a href="../debug-mysql_aria/" class="md-nav__link">
Recover crashed Aria storage engine
</a>
</li>
<li class="md-nav__item">
<a href="../debug-rm_volumes/" class="md-nav__link">
Remove Persistent Data
</a>
</li>
<li class="md-nav__item">
<a href="../debug-reset_pw/" class="md-nav__link">
Reset Passwords (incl. SQL)
</a>
</li>
<li class="md-nav__item">
<a href="../debug-reset_tls/" class="md-nav__link">
Reset TLS certificates
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7" type="checkbox" id="__nav_7" >
<label class="md-nav__link" for="__nav_7">
Backup & Restore
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Backup & Restore" data-md-level="1">
<label class="md-nav__title" for="__nav_7">
<span class="md-nav__icon md-icon"></span>
Backup & Restore
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7_1" type="checkbox" id="__nav_7_1" >
<label class="md-nav__link" for="__nav_7_1">
Component backup & restore
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Component backup & restore" data-md-level="2">
<label class="md-nav__title" for="__nav_7_1">
<span class="md-nav__icon md-icon"></span>
Component backup & restore
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-backup/" class="md-nav__link">
Backup
</a>
</li>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-restore/" class="md-nav__link">
Restore
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-coldstandby/" class="md-nav__link">
Cold-standby (rolling backup)
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7_3" type="checkbox" id="__nav_7_3" >
<label class="md-nav__link" for="__nav_7_3">
Manual backups
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Manual backups" data-md-level="2">
<label class="md-nav__title" for="__nav_7_3">
<span class="md-nav__icon md-icon"></span>
Manual backups
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-backup_restore-maildir/" class="md-nav__link">
Maildir
</a>
</li>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-backup_restore-mysql/" class="md-nav__link">
MySQL (mysqldump)
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7_4" type="checkbox" id="__nav_7_4" >
<label class="md-nav__link" for="__nav_7_4">
mailcow-internal backups
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="mailcow-internal backups" data-md-level="2">
<label class="md-nav__title" for="__nav_7_4">
<span class="md-nav__icon md-icon"></span>
mailcow-internal backups
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-accidental_deletion/" class="md-nav__link">
Recover accidentally deleted data
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8" type="checkbox" id="__nav_8" >
<label class="md-nav__link" for="__nav_8">
Manual/Guides/Examples
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Manual/Guides/Examples" data-md-level="1">
<label class="md-nav__title" for="__nav_8">
<span class="md-nav__icon md-icon"></span>
Manual/Guides/Examples
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_1" type="checkbox" id="__nav_8_1" >
<label class="md-nav__link" for="__nav_8_1">
mailcow UI
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="mailcow UI" data-md-level="2">
<label class="md-nav__title" for="__nav_8_1">
<span class="md-nav__icon md-icon"></span>
mailcow UI
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-bl_wl/" class="md-nav__link">
Blacklist / Whitelist
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-config/" class="md-nav__link">
Configuration
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-css/" class="md-nav__link">
CSS overrides
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-pushover/" class="md-nav__link">
Pushover
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-spamfilter/" class="md-nav__link">
Spamfilter
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-tagging/" class="md-nav__link">
Tagging
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-spamalias/" class="md-nav__link">
Temporary email aliases
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-tfa/" class="md-nav__link">
Two-Factor Authentication
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-fido/" class="md-nav__link">
WebAuthn / FIDO2
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_2" type="checkbox" id="__nav_8_2" >
<label class="md-nav__link" for="__nav_8_2">
Postfix
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Postfix" data-md-level="2">
<label class="md-nav__title" for="__nav_8_2">
<span class="md-nav__icon md-icon"></span>
Postfix
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-trust_networks/" class="md-nav__link">
Add trusted networks
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-custom_transport/" class="md-nav__link">
Custom transport maps
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-extra_cf/" class="md-nav__link">
Customize/Expand main.cf
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-disable_sender_verification/" class="md-nav__link">
Disable Sender Addresses Verification
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-attachment_size/" class="md-nav__link">
Max. message size (attachment size)
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-relayhost/" class="md-nav__link">
Relayhosts
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-pflogsumm/" class="md-nav__link">
Statistics with pflogsumm
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-postscreen_whitelist/" class="md-nav__link">
Whitelist IP in Postscreen
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_3" type="checkbox" id="__nav_8_3" >
<label class="md-nav__link" for="__nav_8_3">
Unbound
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Unbound" data-md-level="2">
<label class="md-nav__title" for="__nav_8_3">
<span class="md-nav__icon md-icon"></span>
Unbound
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Unbound/u_e-unbound-fwd/" class="md-nav__link">
Using an external DNS service
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_4" type="checkbox" id="__nav_8_4" >
<label class="md-nav__link" for="__nav_8_4">
Dovecot
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Dovecot" data-md-level="2">
<label class="md-nav__title" for="__nav_8_4">
<span class="md-nav__icon md-icon"></span>
Dovecot
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-extra_conf/" class="md-nav__link">
Customize/Expand dovecot.conf
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-any_acl/" class="md-nav__link">
Enable "any" ACL settings
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-expunge/" class="md-nav__link">
Expunge a Users mails
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-fts/" class="md-nav__link">
FTS (Solr)
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-idle_interval/" class="md-nav__link">
IMAP IDLE interval
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-mail-crypt/" class="md-nav__link">
Mail crypt
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-more/" class="md-nav__link">
More Examples with DOVEADM
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-vmail-volume/" class="md-nav__link">
Move Maildir (vmail)
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-public_folder/" class="md-nav__link">
Public folders
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-static_master/" class="md-nav__link">
Static master user
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-catchall_vacation/" class="md-nav__link">
Vacation replies for catchall addresses
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_5" type="checkbox" id="__nav_8_5" >
<label class="md-nav__link" for="__nav_8_5">
Nginx
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Nginx" data-md-level="2">
<label class="md-nav__title" for="__nav_8_5">
<span class="md-nav__icon md-icon"></span>
Nginx
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Nginx/u_e-nginx_webmail-site/" class="md-nav__link">
Create subdomain webmail.example.org
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Nginx/u_e-nginx_custom/" class="md-nav__link">
Custom sites
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_6" type="checkbox" id="__nav_8_6" >
<label class="md-nav__link" for="__nav_8_6">
Watchdog
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Watchdog" data-md-level="2">
<label class="md-nav__title" for="__nav_8_6">
<span class="md-nav__icon md-icon"></span>
Watchdog
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Watchdog/u_e-watchdog-thresholds/" class="md-nav__link">
Thresholds
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Redis/u_e-redis/" class="md-nav__link">
Redis
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Rspamd/u_e-rspamd/" class="md-nav__link">
Rspamd
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/SOGo/u_e-sogo/" class="md-nav__link">
SOGo
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_10" type="checkbox" id="__nav_8_10" >
<label class="md-nav__link" for="__nav_8_10">
Docker
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Docker" data-md-level="2">
<label class="md-nav__title" for="__nav_8_10">
<span class="md-nav__icon md-icon"></span>
Docker
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Docker/u_e-docker-cust_dockerfiles/" class="md-nav__link">
Customize Dockerfiles
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Docker/u_e-docker-dc_bash_compl/" class="md-nav__link">
Docker Compose Bash Completion
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-why_unbound/" class="md-nav__link">
Why unbound?
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-autodiscover_config/" class="md-nav__link">
Autodiscover / Autoconfig
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-80_to_443/" class="md-nav__link">
Redirect HTTP to HTTPS
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-reeanble-weak-protocols/" class="md-nav__link">
Re-enable TLS 1.0 and TLS 1.1
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-update-hooks/" class="md-nav__link">
Run scripts before and after updates
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_9" type="checkbox" id="__nav_9" >
<label class="md-nav__link" for="__nav_9">
Client Configuration
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Client Configuration" data-md-level="1">
<label class="md-nav__title" for="__nav_9">
<span class="md-nav__icon md-icon"></span>
Client Configuration
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../client/client/" class="md-nav__link">
Overview
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-android/" class="md-nav__link">
Android
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-apple/" class="md-nav__link">
Apple macOS / iOS
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-emclient/" class="md-nav__link">
eM Client
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-kontact/" class="md-nav__link">
KDE Kontact
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-outlook/" class="md-nav__link">
Microsoft Outlook
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-thunderbird/" class="md-nav__link">
Mozilla Thunderbird
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-windows/" class="md-nav__link">
Windows Mail
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-manual/" class="md-nav__link">
Manual configuration
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_10" type="checkbox" id="__nav_10" >
<label class="md-nav__link" for="__nav_10">
Third party apps
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Third party apps" data-md-level="1">
<label class="md-nav__title" for="__nav_10">
<span class="md-nav__icon md-icon"></span>
Third party apps
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../third_party/third_party-borgmatic/" class="md-nav__link">
Borgmatic Backup
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/third_party-exchange_onprem/" class="md-nav__link">
Exchange Hybrid Setup
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/third_party-gitea/" class="md-nav__link">
Gitea
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/third_party-gogs/" class="md-nav__link">
Gogs
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/third_party-mailman3/" class="md-nav__link">
Mailman 3
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/third_party-mailpiler_integration/" class="md-nav__link">
Mailpiler Integration
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/third_party-nextcloud/" class="md-nav__link">
Nextcloud
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/third_party-portainer/" class="md-nav__link">
Portainer
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/third_party-roundcube/" class="md-nav__link">
Roundcube
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
<div class="md-sidebar__scrollwrap">
<div class="md-sidebar__inner">
<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="#mail-loops-back-to-myself" class="md-nav__link">
Mail loops back to myself
</a>
</li>
<li class="md-nav__item">
<a href="#i-can-receive-but-not-send-mails" class="md-nav__link">
I can receive but not send mails
</a>
</li>
<li class="md-nav__item">
<a href="#my-mails-are-identified-as-spam" class="md-nav__link">
My mails are identified as Spam
</a>
</li>
<li class="md-nav__item">
<a href="#docker-compose-throws-weird-errors" class="md-nav__link">
docker-compose throws weird errors
</a>
</li>
<li class="md-nav__item">
<a href="#container-xy-is-unhealthy" class="md-nav__link">
Container XY is unhealthy
</a>
</li>
<li class="md-nav__item">
<a href="#address-already-in-use" class="md-nav__link">
Address already in use
</a>
</li>
<li class="md-nav__item">
<a href="#xyz-cant-connect-to" class="md-nav__link">
XYZ can't connect to ...
</a>
</li>
<li class="md-nav__item">
<a href="#inotify-instance-limit-for-user-5000-uid-vmail-exceeded-see-453" class="md-nav__link">
Inotify instance limit for user 5000 (UID vmail) exceeded (see #453)
</a>
</li>
<li class="md-nav__item">
<a href="#dovecot-keeps-restarting-see-2672" class="md-nav__link">
Dovecot keeps restarting (see #2672)
</a>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-content" data-md-component="content">
<article class="md-content__inner md-typeset">
<a href="https://github.com/mailcow/mailcow-dockerized-docs/edit/master/docs/troubleshooting/debug-common_problems.en.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>Common Problems</h1>
<p>Here we list common problems and possible solutions:</p>
<h2 id="mail-loops-back-to-myself">Mail loops back to myself<a class="headerlink" href="#mail-loops-back-to-myself" title="Permanent link">&para;</a></h2>
<p>Please check in your mailcow UI if you made the domain a <strong>backup MX</strong>:</p>
<p><img alt="Check your MX Backup settings" src="../../assets/images/troubleshooting/mailcow-backupmx.png" /></p>
<h2 id="i-can-receive-but-not-send-mails">I can receive but not send mails<a class="headerlink" href="#i-can-receive-but-not-send-mails" title="Permanent link">&para;</a></h2>
<p>There are a lot of things that could prevent you from sending mail:</p>
<ul>
<li>Check if your IP address is on any blacklists. You could use <a href="http://www.dnsbl.info/">dnsbl.info</a> or any other similar service to check for your IP address.</li>
<li>There are some consumer ISP routers out there, that block mail ports for non whitelisted domains. Please check if you can reach your server on the ports <code>465</code> or <code>587</code>:</li>
</ul>
<div class="highlight"><pre><span></span><code># telnet 74.125.133.27 465
Trying 74.125.133.27...
Connected to 74.125.133.27.
Escape character is &#39;^]&#39;.
</code></pre></div>
<h2 id="my-mails-are-identified-as-spam">My mails are identified as Spam<a class="headerlink" href="#my-mails-are-identified-as-spam" title="Permanent link">&para;</a></h2>
<p>Please read our guide on <a href="../../prerequisite/prerequisite-dns/">DNS configuration</a>.</p>
<h2 id="docker-compose-throws-weird-errors">docker-compose throws weird errors<a class="headerlink" href="#docker-compose-throws-weird-errors" title="Permanent link">&para;</a></h2>
<p>... like:</p>
<ul>
<li><code>ERROR: Invalid interpolation format ...</code></li>
<li><code>AttributeError: 'NoneType' object has no attribute 'keys'</code>.</li>
<li><code>ERROR: In file './docker-compose.yml' service 'version' doesn't have any configuration options</code>.</li>
</ul>
<p>When you encounter one or similar messages while trying to run mailcow: dockerized please check if you have the <strong>latest</strong> version of <strong>Docker</strong> and <strong>docker-compose</strong></p>
<h2 id="container-xy-is-unhealthy">Container XY is unhealthy<a class="headerlink" href="#container-xy-is-unhealthy" title="Permanent link">&para;</a></h2>
<p>This error tries to tell you that one of the (health) conditions for a certain container are not met. Therefore it can't be started. This can have several reasons, the most common one is an updated git clone but old docker image or vice versa.</p>
<p>A wrong configured firewall could also cause such a failure. The containers need to be able to talk to each other over the network 172.22.1.1/24.</p>
<p>It might also be wrongly linked file (i.e. SSL certificate) that prevents a crucial container (nginx) from starting, so always check your logs to get an idea where your problem is coming from.</p>
<h2 id="address-already-in-use">Address already in use<a class="headerlink" href="#address-already-in-use" title="Permanent link">&para;</a></h2>
<p>If you get an error message like:</p>
<div class="highlight"><pre><span></span><code>ERROR: for postfix-mailcow Cannot start service postfix-mailcow: driver failed programming external connectivity on endpoint mailcowdockerized_postfix-mailcow_1: Error starting userland proxy: listen tcp 0.0.0.0:25: bind: address already in use
</code></pre></div>
<p>while trying to start / install mailcow: dockerized, make sure you've followed our section on the <a href="../prerequisite/prerequisite-system.en.md/#firewall-ports">prerequisites</a>.</p>
<h2 id="xyz-cant-connect-to">XYZ can't connect to ...<a class="headerlink" href="#xyz-cant-connect-to" title="Permanent link">&para;</a></h2>
<p>Please check your local firewall!
Docker and iptables-based firewalls sometimes create conflicting rules, so disable the firewall on your host to determine whether your connection issues are caused by such conflicts. If they are, you need to manually create appropriate rules in your host firewall to permit the necessary connections.</p>
<p>If you experience connection problems from home, please check your ISP router's firewall too, some of them block mail traffic on the <em>SMTP</em> (587) or <em>SMTPS</em> (465) ports. It could also be, that your ISP is blocking the ports for <em>SUBMISSION</em> (25).</p>
<p>While Linux users can chose from a variety of tools<sup id="fnref:1"><a class="footnote-ref" href="#fn:1">1</a></sup> to check if a port is open, the Windows user has only the PowerShell command <code>Test-NetConnection -ComputerName host -Port port</code> available by default.</p>
<p>To enable telnet on a Windows after Vista please check this <a href="https://social.technet.microsoft.com/wiki/contents/articles/910.windows-7-enabling-telnet-client.aspx">guide</a> or enter the following command in an terminal <strong>with administrator privileges</strong>:</p>
<div class="highlight"><pre><span></span><code>dism /online /Enable-Feature /FeatureName:TelnetClient
</code></pre></div>
<h2 id="inotify-instance-limit-for-user-5000-uid-vmail-exceeded-see-453">Inotify instance limit for user 5000 (UID vmail) exceeded (<a href="https://github.com/mailcow/mailcow-dockerized/issues/453#issuecomment-314711232">see #453</a>)<a class="headerlink" href="#inotify-instance-limit-for-user-5000-uid-vmail-exceeded-see-453" title="Permanent link">&para;</a></h2>
<p>Docker containers use the Docker hosts inotify limits. Setting them on your Docker host will pass them to the container.</p>
<h2 id="dovecot-keeps-restarting-see-2672">Dovecot keeps restarting (see <a href="https://github.com/mailcow/mailcow-dockerized/issues/2672">#2672</a>)<a class="headerlink" href="#dovecot-keeps-restarting-see-2672" title="Permanent link">&para;</a></h2>
<p>Check that you have at least the following files in <code>data/assets/ssl</code>:</p>
<div class="highlight"><pre><span></span><code>cert.pem
dhparams.pem
key.pem
</code></pre></div>
<p>If <code>dhparams.pem</code> is missing, you can generate it with</p>
<div class="highlight"><pre><span></span><code>openssl dhparam -out data/assets/ssl/dhparams.pem <span class="m">4096</span>
</code></pre></div>
<div class="footnote">
<hr />
<ol>
<li id="fn:1">
<p><a href="https://linux.die.net/man/1/nc">netcat</a>, <a href="https://linux.die.net/man/1/nmap">nmap</a>, <a href="https://wiki.openssl.org/index.php/Manual:S_client(1)">openssl</a>, <a href="https://linux.die.net/man/1/telnet">telnet</a>, etc.&#160;<a class="footnote-backref" href="#fnref:1" title="Jump back to footnote 1 in the text">&#8617;</a></p>
</li>
</ol>
</div>
<hr>
<div class="md-source-file">
<small>
Last update:
<span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-iso_datetime">2022-01-30 14:36:15</span>
</small>
</div>
</article>
</div>
</div>
<a href="#" class="md-top md-icon" data-md-component="top" data-md-state="hidden">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8v12z"/></svg>
Back to top
</a>
</main>
<footer class="md-footer">
<nav class="md-footer__inner md-grid" aria-label="Footer">
<a href="../debug-attach_service/" class="md-footer__link md-footer__link--prev" aria-label="Previous: Attach to a Container" rel="prev">
<div class="md-footer__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg>
</div>
<div class="md-footer__title">
<div class="md-ellipsis">
<span class="md-footer__direction">
Previous
</span>
Attach to a Container
</div>
</div>
</a>
<a href="../debug-logs/" class="md-footer__link md-footer__link--next" aria-label="Next: Logs" rel="next">
<div class="md-footer__title">
<div class="md-ellipsis">
<span class="md-footer__direction">
Next
</span>
Logs
</div>
</div>
<div class="md-footer__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4z"/></svg>
</div>
</a>
</nav>
<div class="md-footer-meta md-typeset">
<div class="md-footer-meta__inner md-grid">
<div class="md-copyright">
<div class="md-copyright__highlight">
Copyright &copy; 2022 Servercow Team & Community
</div>
Made with
<a href="https://squidfunk.github.io/mkdocs-material/" target="_blank" rel="noopener">
Material for MkDocs
</a>
</div>
<div class="md-social">
<a href="https://mailcow.email" target="_blank" rel="noopener" title="mailcow.email" class="md-social__link">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 6.0.0 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 2022 Fonticons, Inc.--><path d="M512 256c0 141.4-114.6 256-256 256S0 397.4 0 256 114.6 0 256 0s256 114.6 256 256zM57.71 192.1l9.36 17.3a64.042 64.042 0 0 0 38.03 29.8l57 16.5c18.1 4.9 29.9 20.6 29.9 38.5v39.9c0 11 6.2 21 16 25 9.8 5.8 16 15.8 16 26.8v39c0 15.6 14.9 26.8 29.9 22.5 16.2-4.6 28.6-18.3 32.7-33.7l2.8-11.2c4.2-16.9 15.2-31.4 30.3-40.1l8.1-4.6c15-8.5 24.2-24.4 24.2-41.7v-8.2c0-12.8-5.1-25-14.1-34l-3.8-3.8c-9-9-21.3-15-34-15h-44c-10.2 0-21.2-2-30.9-7.5l-34.5-19.8c-4.3-2.4-7.6-6.4-9.1-11.1-3.2-9.6 1.1-20 10.1-24.6l6-2.9c6.6-3.3 14.2-3.9 20.4-1.5l24.1 7.7c8.1 2.7 17.1-.4 21.9-7.5 4.7-7.1 4.2-16.4-1.2-22.9l-13.6-16.2c-10-12-9.9-29.5.3-41.3l15.7-18.38c8.8-10.27 10.2-24.96 3.5-36.7l-2.4-4.16c-4.3-.17-6.9-.26-10.4-.26-92.9 0-171.6 60.9-198.29 144.1zm379.89-37.6L412 164.8c-15.7 6.3-23.8 23.7-18.5 39.8l16.9 50.7c3.5 10.4 12 18.3 22.6 21l29.2 7.2c1.2-9 1.8-18.2 1.8-27.5 0-36.8-9.6-71.4-26.4-101.5z"/></svg>
</a>
<a href="https://github.com/mailcow" target="_blank" rel="noopener" title="github.com" class="md-social__link">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 480 512"><!--! Font Awesome Free 6.0.0 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 2022 Fonticons, Inc.--><path d="M186.1 328.7c0 20.9-10.9 55.1-36.7 55.1s-36.7-34.2-36.7-55.1 10.9-55.1 36.7-55.1 36.7 34.2 36.7 55.1zM480 278.2c0 31.9-3.2 65.7-17.5 95-37.9 76.6-142.1 74.8-216.7 74.8-75.8 0-186.2 2.7-225.6-74.8-14.6-29-20.2-63.1-20.2-95 0-41.9 13.9-81.5 41.5-113.6-5.2-15.8-7.7-32.4-7.7-48.8 0-21.5 4.9-32.3 14.6-51.8 45.3 0 74.3 9 108.8 36 29-6.9 58.8-10 88.7-10 27 0 54.2 2.9 80.4 9.2 34-26.7 63-35.2 107.8-35.2 9.8 19.5 14.6 30.3 14.6 51.8 0 16.4-2.6 32.7-7.7 48.2 27.5 32.4 39 72.3 39 114.2zm-64.3 50.5c0-43.9-26.7-82.6-73.5-82.6-18.9 0-37 3.4-56 6-14.9 2.3-29.8 3.2-45.1 3.2-15.2 0-30.1-.9-45.1-3.2-18.7-2.6-37-6-56-6-46.8 0-73.5 38.7-73.5 82.6 0 87.8 80.4 101.3 150.4 101.3h48.2c70.3 0 150.6-13.4 150.6-101.3zm-82.6-55.1c-25.8 0-36.7 34.2-36.7 55.1s10.9 55.1 36.7 55.1 36.7-34.2 36.7-55.1-10.9-55.1-36.7-55.1z"/></svg>
</a>
<a href="https://twitter.com/mailcow_email" target="_blank" rel="noopener" title="twitter.com" class="md-social__link">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 6.0.0 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 2022 Fonticons, Inc.--><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z"/></svg>
</a>
</div>
</div>
</div>
</footer>
</div>
<div class="md-dialog" data-md-component="dialog">
<div class="md-dialog__inner md-typeset"></div>
</div>
<script id="__config" type="application/json">{"base": "../..", "features": ["navigation.top", "navigation.tracking"], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing", "select.version.title": "Select version"}, "search": "../../assets/javascripts/workers/search.092fa1f6.min.js"}</script>
<script src="../../assets/javascripts/bundle.5a9542cf.min.js"></script>
<script src="../../assets/javascripts/client.js"></script>
</body>
</html>