<!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://docs.mailcow.email/">
      
      
      
        <link rel="next" href="prerequisite/prerequisite-system/">
      
      <link rel="icon" href="assets/images/favicon.png">
      <meta name="generator" content="mkdocs-1.4.3, mkdocs-material-9.1.17">
    
    
      
        <title>mailcow: dockerized documentation</title>
      
    
    
      <link rel="stylesheet" href="assets/stylesheets/main.26e3688c.min.css">
      
        
        <link rel="stylesheet" href="assets/stylesheets/palette.ecc896b0.min.css">
      
      

    
    
    
      
    
    
      <link rel="stylesheet" href="assets/stylesheets/extra.css">
    
    <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>
    
      

    
    
      
        <meta  property="og:type"  content="website" >
      
        <meta  property="og:title"  content="Information & Support" >
      
        <meta  property="og:description"  content="None" >
      
        <meta  property="og:image"  content="https://docs.mailcow.email/assets/images/social/index.en.png" >
      
        <meta  property="og:image:type"  content="image/png" >
      
        <meta  property="og:image:width"  content="1200" >
      
        <meta  property="og:image:height"  content="630" >
      
        <meta  property="og:url"  content="https://docs.mailcow.email/" >
      
        <meta  name="twitter:card"  content="summary_large_image" >
      
        <meta  name="twitter:title"  content="Information & Support" >
      
        <meta  name="twitter:description"  content="None" >
      
        <meta  name="twitter:image"  content="https://docs.mailcow.email/assets/images/social/index.en.png" >
      
    
    
  </head>
  
  
    
    
      
    
    
    
    
    <body dir="ltr" data-md-color-scheme="default" data-md-color-primary="indigo" data-md-color-accent="indigo">
  
    
    
      <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="#mailcow-dockerized-" class="md-skip">
          Skip to content
        </a>
      
    </div>
    <div data-md-component="announce">
      
        <aside class="md-banner">
          <div class="md-banner__inner md-grid md-typeset">
            
              <button class="md-banner__button md-icon" aria-label="Don't show this again">
                <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>
            
            

  <center><h4>All Commands are available according to the <a style="color:#6390e5;" href="https://docs.docker.com/compose/install/linux/">Docker Compose Plugin</a> and the <a style="color:#6390e5;" href="https://docs.docker.com/compose/install/other/">Standalone Version</a> syntax</h4></center>


          </div>
          
            <script>var content,el=document.querySelector("[data-md-component=announce]");el&&(content=el.querySelector(".md-typeset"),__md_hash(content.innerHTML)===__md_get("__announce")&&(el.hidden=!0))</script>
          
        </aside>
      
    </div>
    
    
      

  

<header class="md-header md-header--shadow" 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">
            
              Information & Support
            
          </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="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>
                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="m17.75 4.09-2.53 1.94.91 3.06-2.63-1.81-2.63 1.81.91-3.06-2.53-1.94L12.44 4l1.06-3 1.06 3 3.19.09m3.5 6.91-1.64 1.25.59 1.98-1.7-1.17-1.7 1.17.59-1.98L15.75 11l2.06-.05L18.5 9l.69 1.95 2.06.05m-2.28 4.95c.83-.08 1.72 1.1 1.19 1.85-.32.45-.66.87-1.08 1.27C15.17 23 8.84 23 4.94 19.07c-3.91-3.9-3.91-10.24 0-14.14.4-.4.82-.76 1.27-1.08.75-.53 1.93.36 1.85 1.19-.27 2.86.69 5.83 2.89 8.02a9.96 9.96 0 0 0 8.02 2.89m-1.64 2.02a12.08 12.08 0 0 1-7.8-3.47c-2.17-2.19-3.33-5-3.49-7.82-2.81 3.14-2.7 7.96.31 10.98 3.02 3.01 7.84 3.12 10.98.31Z"/></svg>
              </label>
            
          
            
            
            
            <input class="md-option" data-md-color-media="" data-md-color-scheme="slate" data-md-color-primary="indigo" data-md-color-accent="indigo"  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>
                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 7a5 5 0 0 1 5 5 5 5 0 0 1-5 5 5 5 0 0 1-5-5 5 5 0 0 1 5-5m0 2a3 3 0 0 0-3 3 3 3 0 0 0 3 3 3 3 0 0 0 3-3 3 3 0 0 0-3-3m0-7 2.39 3.42C13.65 5.15 12.84 5 12 5c-.84 0-1.65.15-2.39.42L12 2M3.34 7l4.16-.35A7.2 7.2 0 0 0 5.94 8.5c-.44.74-.69 1.5-.83 2.29L3.34 7m.02 10 1.76-3.77a7.131 7.131 0 0 0 2.38 4.14L3.36 17M20.65 7l-1.77 3.79a7.023 7.023 0 0 0-2.38-4.15l4.15.36m-.01 10-4.14.36c.59-.51 1.12-1.14 1.54-1.86.42-.73.69-1.5.83-2.29L20.64 17M12 22l-2.41-3.44c.74.27 1.55.44 2.41.44.82 0 1.63-.17 2.37-.44L12 22Z"/></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/" 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">
        
          <a href="javascript:void(0)" class="md-search__icon md-icon" title="Share" aria-label="Share" data-clipboard data-clipboard-text="" data-md-component="search-share" tabindex="-1">
            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7 0-.24-.04-.47-.09-.7l7.05-4.11c.54.5 1.25.81 2.04.81a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3c0 .24.04.47.09.7L8.04 9.81C7.5 9.31 6.79 9 6 9a3 3 0 0 0-3 3 3 3 0 0 0 3 3c.79 0 1.5-.31 2.04-.81l7.12 4.15c-.05.21-.08.43-.08.66 0 1.61 1.31 2.91 2.92 2.91 1.61 0 2.92-1.3 2.92-2.91A2.92 2.92 0 0 0 18 16.08Z"/></svg>
          </a>
        
        <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>
      
    </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" role="presentation"></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 6.4.0 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="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 6.4.0 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="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 md-nav__item--active">
      
      <input class="md-nav__toggle md-toggle" type="checkbox" id="__toc">
      
      
        
      
      
        <label class="md-nav__link md-nav__link--active" for="__toc">
          Information & Support
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <a href="." class="md-nav__link md-nav__link--active">
        Information & Support
      </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="#what-is-mailcow-dockerized" class="md-nav__link">
    What is mailcow: dockerized?
  </a>
  
</li>
      
        <li class="md-nav__item">
  <a href="#support-the-mailcow-project" class="md-nav__link">
    Support the mailcow project
  </a>
  
</li>
      
        <li class="md-nav__item">
  <a href="#need-help" class="md-nav__link">
    Need help?
  </a>
  
    <nav class="md-nav" aria-label="Need help?">
      <ul class="md-nav__list">
        
          <li class="md-nav__item">
  <a href="#commercial-support" class="md-nav__link">
    Commercial support
  </a>
  
</li>
        
          <li class="md-nav__item">
  <a href="#community-support-and-chat" class="md-nav__link">
    Community support and chat
  </a>
  
</li>
        
      </ul>
    </nav>
  
</li>
      
        <li class="md-nav__item">
  <a href="#interested-try-it-out-right-away" class="md-nav__link">
    Interested? Try it out right away!
  </a>
  
</li>
      
    </ul>
  
</nav>
      
    </li>
  

    
      
      
      

  
  
  
    
    <li class="md-nav__item md-nav__item--nested">
      
      
      
      
      <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" >
      
      
      
        <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="0">
          Prerequisites
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_3" >
      
      
      
        <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
          Installation, Update & Migration
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_4" >
      
      
      
        <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
          Post Installation Tasks
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <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>
          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 md-nav__item--nested">
      
      
      
      
      <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_7" >
      
      
      
        <label class="md-nav__link" for="__nav_4_7" id="__nav_4_7_label" tabindex="0">
          Reverse Proxy
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_7_label" aria-expanded="false">
        <label class="md-nav__title" for="__nav_4_7">
          <span class="md-nav__icon md-icon"></span>
          Reverse Proxy
        </label>
        <ul class="md-nav__list" data-md-scrollfix>
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="post_installation/reverse-proxy/r_p/" class="md-nav__link">
        Overview
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="post_installation/reverse-proxy/r_p-apache24/" class="md-nav__link">
        Apache 2.4
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="post_installation/reverse-proxy/r_p-nginx/" class="md-nav__link">
        Nginx
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="post_installation/reverse-proxy/r_p-haproxy/" class="md-nav__link">
        HAProxy (community supported)
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="post_installation/reverse-proxy/r_p-traefik2/" class="md-nav__link">
        Traefik v2 (community supported)
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="post_installation/reverse-proxy/r_p-caddy2/" class="md-nav__link">
        Caddy v2 (community supported)
      </a>
    </li>
  

            
          
        </ul>
      </nav>
    </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 " type="checkbox" id="__nav_5" >
      
      
      
        <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
          Models
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <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>
          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--nested">
      
      
      
      
      <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
      
      
      
        <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
          General Troubleshooting
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
        <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="troubleshooting/debug/" class="md-nav__link">
        Introduction
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-admin_login_sogo/" class="md-nav__link">
        Admin login to SOGo
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-rspamd_memory_leaks/" class="md-nav__link">
        Advanced: Find memory leaks in Rspamd
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-attach_service/" class="md-nav__link">
        Attach to a Container
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-common_problems/" class="md-nav__link">
        Common Problems
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-logs/" class="md-nav__link">
        Logs
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-mysql_upgrade/" class="md-nav__link">
        Manual MySQL upgrade
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-mysql_aria/" class="md-nav__link">
        Recover crashed Aria storage engine
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-rm_volumes/" class="md-nav__link">
        Remove Persistent Data
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/debug-reset_pw/" class="md-nav__link">
        Reset Passwords (incl. SQL)
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="troubleshooting/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 " type="checkbox" id="__nav_7" >
      
      
      
        <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
          Backup & Restore
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <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>
          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 " type="checkbox" id="__nav_7_1" >
      
      
      
        <label class="md-nav__link" for="__nav_7_1" id="__nav_7_1_label" tabindex="0">
          Component backup & restore
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_7_1_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_7_3" >
      
      
      
        <label class="md-nav__link" for="__nav_7_3" id="__nav_7_3_label" tabindex="0">
          Manual backups
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_7_3_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_7_4" >
      
      
      
        <label class="md-nav__link" for="__nav_7_4" id="__nav_7_4_label" tabindex="0">
          mailcow-internal backups
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_7_4_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_8" >
      
      
      
        <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
          Manual/Guides/Examples
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_8_1" >
      
      
      
        <label class="md-nav__link" for="__nav_8_1" id="__nav_8_1_label" tabindex="0">
          mailcow UI
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_1_label" aria-expanded="false">
        <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-netfilter/" class="md-nav__link">
        Netfilter
      </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-sub_addressing/" class="md-nav__link">
        Sub-addressing
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="manual-guides/mailcow-UI/u_e-mailcow_ui-tags/" class="md-nav__link">
        Tags (for Domains and Mailboxes)
      </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 " type="checkbox" id="__nav_8_2" >
      
      
      
        <label class="md-nav__link" for="__nav_8_2" id="__nav_8_2_label" tabindex="0">
          Postfix
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_2_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_8_3" >
      
      
      
        <label class="md-nav__link" for="__nav_8_3" id="__nav_8_3_label" tabindex="0">
          Unbound
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_3_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_8_4" >
      
      
      
        <label class="md-nav__link" for="__nav_8_4" id="__nav_8_4_label" tabindex="0">
          Dovecot
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_4_label" aria-expanded="false">
        <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-performance/" class="md-nav__link">
        Performance Optimizations
      </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 " type="checkbox" id="__nav_8_5" >
      
      
      
        <label class="md-nav__link" for="__nav_8_5" id="__nav_8_5_label" tabindex="0">
          Nginx
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_5_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_8_6" >
      
      
      
        <label class="md-nav__link" for="__nav_8_6" id="__nav_8_6_label" tabindex="0">
          Watchdog
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_6_label" aria-expanded="false">
        <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 md-nav__item--nested">
      
      
      
      
      <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8_9" >
      
      
      
        <label class="md-nav__link" for="__nav_8_9" id="__nav_8_9_label" tabindex="0">
          ClamAV
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_9_label" aria-expanded="false">
        <label class="md-nav__title" for="__nav_8_9">
          <span class="md-nav__icon md-icon"></span>
          ClamAV
        </label>
        <ul class="md-nav__list" data-md-scrollfix>
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="manual-guides/ClamAV/u_e-clamav-whitelist/" class="md-nav__link">
        Whitelist
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="manual-guides/ClamAV/u_e-clamav-additional_dbs/" class="md-nav__link">
        Additional Databases
      </a>
    </li>
  

            
          
        </ul>
      </nav>
    </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 " type="checkbox" id="__nav_8_11" >
      
      
      
        <label class="md-nav__link" for="__nav_8_11" id="__nav_8_11_label" tabindex="0">
          Docker
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_11_label" aria-expanded="false">
        <label class="md-nav__title" for="__nav_8_11">
          <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>
  

            
          
        </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 " type="checkbox" id="__nav_9" >
      
      
      
        <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
          Client Configuration
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
        <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 " type="checkbox" id="__nav_10" >
      
      
      
        <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
          Third party apps
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
        <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/borgmatic/third_party-borgmatic/" class="md-nav__link">
        Borgmatic Backup
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/checkmk/u_e-checkmk/" class="md-nav__link">
        CheckMK
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/exchange_onprem/third_party-exchange_onprem/" class="md-nav__link">
        Exchange Hybrid Setup
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/gitea/third_party-gitea/" class="md-nav__link">
        Gitea
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/gogs/third_party-gogs/" class="md-nav__link">
        Gogs
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/mailman3/third_party-mailman3/" class="md-nav__link">
        Mailman 3
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/mailpiler/third_party-mailpiler_integration/" class="md-nav__link">
        Mailpiler Integration
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/nextcloud/third_party-nextcloud/" class="md-nav__link">
        Nextcloud
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/portainer/third_party-portainer/" class="md-nav__link">
        Portainer
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="third_party/roundcube/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="#what-is-mailcow-dockerized" class="md-nav__link">
    What is mailcow: dockerized?
  </a>
  
</li>
      
        <li class="md-nav__item">
  <a href="#support-the-mailcow-project" class="md-nav__link">
    Support the mailcow project
  </a>
  
</li>
      
        <li class="md-nav__item">
  <a href="#need-help" class="md-nav__link">
    Need help?
  </a>
  
    <nav class="md-nav" aria-label="Need help?">
      <ul class="md-nav__list">
        
          <li class="md-nav__item">
  <a href="#commercial-support" class="md-nav__link">
    Commercial support
  </a>
  
</li>
        
          <li class="md-nav__item">
  <a href="#community-support-and-chat" class="md-nav__link">
    Community support and chat
  </a>
  
</li>
        
      </ul>
    </nav>
  
</li>
      
        <li class="md-nav__item">
  <a href="#interested-try-it-out-right-away" class="md-nav__link">
    Interested? Try it out right away!
  </a>
  
</li>
      
    </ul>
  
</nav>
                  </div>
                </div>
              </div>
            
          
          
            <div class="md-content" data-md-component="content">
              <article class="md-content__inner md-typeset">
                
                  

  
  


<figure>
<p><img alt="mailcow Logo" src="assets/images/logo.svg" width="150" /></p>
</figure>
<h1 id="mailcow-dockerized-">mailcow: dockerized - <img alt="๐Ÿฎ" class="twemoji" src="https://cdn.jsdelivr.net/gh/jdecked/twemoji@14.1.2/assets/svg/1f42e.svg" title=":cow:" /> + <img alt="๐Ÿณ" class="twemoji" src="https://cdn.jsdelivr.net/gh/jdecked/twemoji@14.1.2/assets/svg/1f433.svg" title=":whale:" /> = <img alt="๐Ÿ’•" class="twemoji" src="https://cdn.jsdelivr.net/gh/jdecked/twemoji@14.1.2/assets/svg/1f495.svg" title=":two_hearts:" /><a class="headerlink" href="#mailcow-dockerized-" title="Permanent link">&para;</a></h1>
<p><strong>The mailserver suite with the 'moo'</strong></p>
<h2 id="what-is-mailcow-dockerized">What is mailcow: dockerized?<a class="headerlink" href="#what-is-mailcow-dockerized" title="Permanent link">&para;</a></h2>
<div class="admonition question">
<p class="admonition-title">Question</p>
<p>Mailcow, MailCow or mailcow? What is the exact name of the project?</p>
<p>Correct: <strong>mailcow</strong>, because mailcow is a registered word mark with a small m <img alt="๐Ÿ˜" class="twemoji" src="https://cdn.jsdelivr.net/gh/jdecked/twemoji@14.1.2/assets/svg/1f601.svg" title=":grin:" /></p>
</div>
<p>mailcow: dockerized is an open source groupware/email suite based on docker.</p>
<p>mailcow relies on many well known and long used components, which in combination result in an all around carefree email server.</p>
<p>Each container represents a single application, connected in a bridged network.</p>
<ul>
<li><a href="https://letsencrypt.org/">ACME</a> (Automatic generation of Let's Encrypt certificates)</li>
<li><a href="https://www.clamav.net/">ClamAV</a> (anti-virus scanner) (optional)</li>
<li><a href="https://www.dovecot.org/">Dovecot</a> (IMAP/POP server for retrieving mail)</li>
<li><a href="https://mariadb.org/">MariaDB</a> (database to store user information, etc.)</li>
<li><a href="https://www.memcached.org/">Memcached</a> (cache for the SOGo webmailer)</li>
<li><a href="https://www.netfilter.org/">Netfilter</a> (Fail2ban-like integration of <a href="https://github.com/mkuron">@mkuron</a>)</li>
<li><a href="https://nginx.org/">Nginx</a> (Web server for the mailcow UI)</li>
<li><a href="https://github.com/decalage2/oletools">Oletools</a> via <a href="https://github.com/HeinleinSupport/olefy">Olefy</a> (analyzing office documents for viruses, macros, etc.)</li>
<li><a href="https://php.net/">PHP</a> (programming language for most web-based mailcow actions)</li>
<li><a href="http://www.postfix.org/">Postfix</a> (Receiver/sender for mail traffic on the Internet)</li>
<li><a href="https://redis.io/">Redis</a> (storage for spam information, DKIM keys, etc.)</li>
<li><a href="https://www.rspamd.com/">Rspamd</a> (spam filter with automatic learning of spam mails)</li>
<li><a href="https://sogo.nu/">SOGo</a> (integrated webmailer and cal/carddav interface)</li>
<li><a href="https://solr.apache.org/">Solr</a> (full-text search for IMAP connections for quick email search) (optional)</li>
<li><a href="https://unbound.net/">Unbound</a> (integrated DNS server to check DNSSEC etc.)</li>
<li>A watchdog for basic monitoring of container health inside mailcow</li>
</ul>
<p>But the heart of mailcow is the graphical web interface, the <strong>mailcow UI</strong>.</p>
<p>It offers a place for almost all settings and allows the comfortable creation of new domains and email addresses with just a few clicks.</p>
<p>But also other or more tricky tasks can be done in it with ease:</p>
<ul>
<li><a href="http://dkim.org">DKIM</a> and <a href="http://arc-spec.org/">ARC</a> support/generation.</li>
<li>Black and white lists per domain and per user.</li>
<li>Spam score management per user (reject spam, flag spam, greylist).</li>
<li>Allow mailbox users to create temporary spam aliases</li>
<li>Prepend email tags to subject or move emails to subfolders (per user)</li>
<li>Allow mailbox users to toggle TLS enforcement for inbound and outbound messages</li>
<li>Users can reset caches on SOGo ActiveSync devices</li>
<li>imapsync to periodically migrate or retrieve remote mailboxes</li>
<li>TFA: Yubikey OTP and WebAuthn USB (Google Chrome and derivatives only), TOTP</li>
<li>Add whitelist hosts to forward mail to mailcow</li>
<li>Fail2ban-like integration</li>
<li>Quarantine system</li>
<li>Anti-virus scanning including macro scanning in Office documents</li>
<li>Integrated basic monitoring</li>
<li>And much more...</li>
</ul>
<p>The mailcow data (such as emails, user data, etc.) is stored in <strong>Docker volumes</strong> - take good care of these volumes:</p>
<ul>
<li>clamd-db-vol-1</li>
<li>crypt-vol-1</li>
<li>mysql-socket-vol-1</li>
<li>mysql-vol-1</li>
<li>postfix-vol-1</li>
<li>redis-vol-1</li>
<li>rspamd-vol-1</li>
<li>sogo-userdata-backup-vol-1</li>
<li>sogo-web-vol-1</li>
<li>solr-vol-1</li>
<li>vmail-index-vol-1</li>
<li>vmail-vol-1</li>
</ul>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>The mails are compressed and encrypted. The key pair can be found in crypt-vol-1. Please don't forget to backup this and other volumes. #nobackupnopity</p>
</div>
<hr />
<h2 id="support-the-mailcow-project">Support the mailcow project<a class="headerlink" href="#support-the-mailcow-project" title="Permanent link">&para;</a></h2>
<p>Please consider a support contract for a small monthly fee at <a href="https://www.servercow.de/mailcow?lang=en#support">Servercow</a><sup id="fnref:1"><a class="footnote-ref" href="#fn:1">1</a></sup> to support further development. <em>We</em> support <em>you</em> while <em>you</em> support <em>us</em>. :)</p>
<p>If you are super awesome and would like to support without a contract, you can get a SAL (Stay-Awesome License) that confirms your awesomeness (a flexible one-time payment) at <a href="https://www.servercow.de/mailcow?lang=en#sal">Servercow</a>.</p>
<hr />
<h2 id="need-help">Need help?<a class="headerlink" href="#need-help" title="Permanent link">&para;</a></h2>
<p>There are two ways to achieve support for your mailcow installation.</p>
<h3 id="commercial-support">Commercial support<a class="headerlink" href="#commercial-support" title="Permanent link">&para;</a></h3>
<p>For professional and prioritized commercial support you can sign a basic support subscription at <a href="https://www.servercow.de/mailcow?lang=en#support">Servercow</a>. For custom inquiries or questions please contact us at <a href="mailto:info@servercow.de">info@servercow.de</a> instead.</p>
<p>Furthermore we do also provide a fully featured and managed mailcow <a href="https://www.servercow.de/mailcow?lang=en#managed">here</a>. This way we take care about the technical magic underneath and you can enjoy your whole mail experience in a hassle-free way.</p>
<h3 id="community-support-and-chat">Community support and chat<a class="headerlink" href="#community-support-and-chat" title="Permanent link">&para;</a></h3>
<p>The other alternative is our free community-support on our various channels below. Please notice, that this support is driven by our awesome community around mailcow. This kind of support is best-effort, voluntary and there is no guarantee for anything.</p>
<ul>
<li>
<p>Our mailcow community @ <a href="https://community.mailcow.email">community.mailcow.email</a></p>
</li>
<li>
<p>Telegram (Support) @ <a href="https://t.me/mailcow">t.me/mailcow</a>.</p>
</li>
<li>
<p>Telegram (Off-Topic) @ <a href="https://t.me/mailcowOfftopic">t.me/mailcowOfftopic</a>.</p>
</li>
<li>
<p>Twitter <a href="https://twitter.com/mailcow_email">@mailcow_email</a></p>
</li>
</ul>
<p>Telegram desktop clients are available for <a href="https://desktop.telegram.org">multiple platforms</a>. You can search the groups history for keywords.</p>
<p>For <strong>bug tracking, feature requests and code contributions</strong> only:</p>
<ul>
<li>GitHub @ <a href="https://github.com/mailcow/mailcow-dockerized">mailcow/mailcow-dockerized</a></li>
</ul>
<hr />
<h2 id="interested-try-it-out-right-away">Interested? Try it out right away!<a class="headerlink" href="#interested-try-it-out-right-away" title="Permanent link">&para;</a></h2>
<p>Have we got your interest? Get a first overview of the functionalities of mailcow and your mailcow UI in our official <strong>mailcow demos</strong>!</p>
<p>Since September 2022 weยดre providing two seperate Demo instances: </p>
<ul>
<li><strong><a href="https://demo.mailcow.email">demo.mailcow.email</a></strong> is the classic Demo based on the <strong>stable releases</strong>.</li>
<li><strong><a href="https://nightly-demo.mailcow.email">nightly-demo.mailcow.email</a></strong> is the new <strong>nightly demo</strong> based on unreleased testing features. (So especially interesting for those who have no possibility to create a test instance themselves.)</li>
</ul>
<div class="admonition abstract">
<p class="admonition-title">Use these credentials for the demos</p>
<ul>
<li><strong>Administrator</strong>: admin / moohoo</li>
<li><strong>Domain-Administrator</strong>: department / moohoo</li>
<li><strong>Mailbox</strong>: <a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;&#100;&#101;&#109;&#111;&#64;&#52;&#52;&#48;&#48;&#52;&#52;&#46;&#120;&#121;&#122;">&#100;&#101;&#109;&#111;&#64;&#52;&#52;&#48;&#48;&#52;&#52;&#46;&#120;&#121;&#122;</a> / moohoo</li>
</ul>
<p><em>The login credentials work for both variants</em>.</p>
</div>
<div class="admonition success">
<p class="admonition-title">Always up to date</p>
<p>The demo instances get the latest updates directly after releases from GitHub. Fully automatic, without any downtime!</p>
</div>
<div class="footnote">
<hr />
<ol>
<li id="fn:1">
<p>Servercow is a hosting/support division of The Infrastructure Company GmbH (mailcow maintainer).&#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">2023-05-25 12:15:06</span>
      
    
  </small>
</div>





                
              </article>
            </div>
          
          
  <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script>

        </div>
        
          <button type="button" class="md-top md-icon" data-md-component="top" 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
          </button>
        
      </main>
      
        <footer class="md-footer">
  
  <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; 2023 mailcow 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 6.4.0 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="M352 256c0 22.2-1.2 43.6-3.3 64H163.3c-2.2-20.4-3.3-41.8-3.3-64s1.2-43.6 3.3-64h185.4c2.2 20.4 3.3 41.8 3.3 64zm28.8-64h123.1c5.3 20.5 8.1 41.9 8.1 64s-2.8 43.5-8.1 64H380.8c2.1-20.6 3.2-42 3.2-64s-1.1-43.4-3.2-64zm112.6-32H376.7c-10-63.9-29.8-117.4-55.3-151.6 78.3 20.7 142 77.5 171.9 151.6zm-149.1 0H167.7c6.1-36.4 15.5-68.6 27-94.7 10.5-23.6 22.2-40.7 33.5-51.5C239.4 3.2 248.7 0 256 0s16.6 3.2 27.8 13.8c11.3 10.8 23 27.9 33.5 51.5 11.6 26 20.9 58.2 27 94.7zm-209 0H18.6c30-74.1 93.6-130.9 172-151.6-25.5 34.2-45.3 87.7-55.3 151.6zM8.1 192h123.1c-2.1 20.6-3.2 42-3.2 64s1.1 43.4 3.2 64H8.1C2.8 299.5 0 278.1 0 256s2.8-43.5 8.1-64zm186.6 254.6c-11.6-26-20.9-58.2-27-94.6h176.6c-6.1 36.4-15.5 68.6-27 94.6-10.5 23.6-22.2 40.7-33.5 51.5-11.2 10.7-20.5 13.9-27.8 13.9s-16.6-3.2-27.8-13.8c-11.3-10.8-23-27.9-33.5-51.5zM135.3 352c10 63.9 29.8 117.4 55.3 151.6-78.4-20.7-142-77.5-172-151.6h116.7zm358.1 0c-30 74.1-93.6 130.9-171.9 151.6 25.5-34.2 45.2-87.7 55.3-151.6h116.6z"/></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 6.4.0 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="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 6.4.0 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="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", "announce.dismiss", "content.tabs.link", "search.share", "search.highlight"], "search": "assets/javascripts/workers/search.208ed371.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
    
    
      <script src="assets/javascripts/bundle.b425cdc4.min.js"></script>
      
        
          <script src="assets/javascripts/client.js"></script>
        
      
    
  </body>
</html>