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    </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" 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--active md-nav__item--nested">
      
      
        <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8" type="checkbox" id="__nav_8" checked>
      
      
      
      
        <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="../../mailcow-UI/u_e-mailcow_ui-bl_wl/" class="md-nav__link">
        Blacklist / Whitelist
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../mailcow-UI/u_e-mailcow_ui-config/" class="md-nav__link">
        Configuration
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../mailcow-UI/u_e-mailcow_ui-css/" class="md-nav__link">
        CSS overrides
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../mailcow-UI/u_e-mailcow_ui-netfilter/" class="md-nav__link">
        Netfilter
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../mailcow-UI/u_e-mailcow_ui-pushover/" class="md-nav__link">
        Pushover
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../mailcow-UI/u_e-mailcow_ui-spamfilter/" class="md-nav__link">
        Spamfilter
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../mailcow-UI/u_e-mailcow_ui-sub_addressing/" class="md-nav__link">
        Sub-addressing
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../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="../../mailcow-UI/u_e-mailcow_ui-spamalias/" class="md-nav__link">
        Temporary email aliases
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../mailcow-UI/u_e-mailcow_ui-tfa/" class="md-nav__link">
        Two-Factor Authentication
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../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="../../Postfix/u_e-postfix-trust_networks/" class="md-nav__link">
        Add trusted networks
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Postfix/u_e-postfix-custom_transport/" class="md-nav__link">
        Custom transport maps
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Postfix/u_e-postfix-extra_cf/" class="md-nav__link">
        Customize/Expand main.cf
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Postfix/u_e-postfix-disable_sender_verification/" class="md-nav__link">
        Disable Sender Addresses Verification
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Postfix/u_e-postfix-attachment_size/" class="md-nav__link">
        Max. message size (attachment size)
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Postfix/u_e-postfix-relayhost/" class="md-nav__link">
        Relayhosts
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Postfix/u_e-postfix-pflogsumm/" class="md-nav__link">
        Statistics with pflogsumm
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../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="../../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="../../Dovecot/u_e-dovecot-extra_conf/" class="md-nav__link">
        Customize/Expand dovecot.conf
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-any_acl/" class="md-nav__link">
        Enable "any" ACL settings
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-expunge/" class="md-nav__link">
        Expunge a Users mails
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-fts/" class="md-nav__link">
        FTS (Solr)
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-idle_interval/" class="md-nav__link">
        IMAP IDLE interval
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-mail-crypt/" class="md-nav__link">
        Mail crypt
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-more/" class="md-nav__link">
        More Examples with DOVEADM
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-vmail-volume/" class="md-nav__link">
        Move Maildir (vmail)
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-public_folder/" class="md-nav__link">
        Public folders
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Dovecot/u_e-dovecot-static_master/" class="md-nav__link">
        Static master user
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../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="../../Nginx/u_e-nginx_webmail-site/" class="md-nav__link">
        Create subdomain webmail.example.org
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../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="../../Watchdog/u_e-watchdog-thresholds/" class="md-nav__link">
        Thresholds
      </a>
    </li>
  

            
          
        </ul>
      </nav>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Redis/u_e-redis/" class="md-nav__link">
        Redis
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../Rspamd/u_e-rspamd/" class="md-nav__link">
        Rspamd
      </a>
    </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_8_9" type="checkbox" id="__nav_8_9" checked>
      
      
      
      
        <label class="md-nav__link" for="__nav_8_9">
          ClamAV
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <nav class="md-nav" aria-label="ClamAV" data-md-level="2">
        <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 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">
          Whitelist
          <span class="md-nav__icon md-icon"></span>
        </label>
      
      <a href="./" class="md-nav__link md-nav__link--active">
        Whitelist
      </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="#whitelist-specific-clamav-signatures" class="md-nav__link">
    Whitelist specific ClamAV signatures
  </a>
  
</li>
      
    </ul>
  
</nav>
      
    </li>
  

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

            
          
        </ul>
      </nav>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../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_11" type="checkbox" id="__nav_8_11" >
      
      
      
      
        <label class="md-nav__link" for="__nav_8_11">
          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_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="../../Docker/u_e-docker-cust_dockerfiles/" class="md-nav__link">
        Customize Dockerfiles
      </a>
    </li>
  

            
          
        </ul>
      </nav>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../u_e-why_unbound/" class="md-nav__link">
        Why unbound?
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../u_e-autodiscover_config/" class="md-nav__link">
        Autodiscover / Autoconfig
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../u_e-80_to_443/" class="md-nav__link">
        Redirect HTTP to HTTPS
      </a>
    </li>
  

            
          
            
              
  
  
  
    <li class="md-nav__item">
      <a href="../../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="../../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>
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  <a href="https://github.com/mailcow/mailcow-dockerized-docs/edit/master/docs/manual-guides/ClamAV/u_e-clamav-whitelist.en.md" title="Edit this page" class="md-content__button md-icon">
    
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  <h1>Whitelist</h1>

<h2 id="whitelist-specific-clamav-signatures">Whitelist specific ClamAV signatures<a class="headerlink" href="#whitelist-specific-clamav-signatures" title="Permanent link">&para;</a></h2>
<p>You may find that legitimate (clean) mail is being blocked by ClamAV (Rspamd will flag the mail with <code>VIRUS_FOUND</code>). For instance, interactive PDF form attachments are blocked by default because the embedded Javascript code may be used for nefarious purposes. Confirm by looking at the clamd logs, e.g.:</p>
<div class="highlight"><pre><span></span><code>docker compose logs clamd-mailcow <span class="p">|</span> grep <span class="s2">&quot;FOUND&quot;</span>
</code></pre></div>
<p>This line confirms that such was identified:</p>
<div class="highlight"><pre><span></span><code>clamd-mailcow_1      | Sat Sep 28 07:43:24 2019 -&gt; instream(local): PUA.Pdf.Trojan.EmbeddedJavaScript-1(e887d2ac324ce90750768b86b63d0749:363325) FOUND
</code></pre></div>
<p>To whitelist this particular signature (and enable sending this type of file attached), add it to the ClamAV signature whitelist file:</p>
<div class="highlight"><pre><span></span><code><span class="nb">echo</span> <span class="s1">&#39;PUA.Pdf.Trojan.EmbeddedJavaScript-1&#39;</span> &gt;&gt; data/conf/clamav/whitelist.ign2
</code></pre></div>
<p>Then restart the clamd-mailcow service container in the mailcow UI or using docker compose:</p>
<div class="highlight"><pre><span></span><code>docker compose restart clamd-mailcow
</code></pre></div>
<p>Cleanup cached ClamAV results in Redis:</p>
<div class="highlight"><pre><span></span><code># docker compose exec redis-mailcow  /bin/sh
/data # redis-cli KEYS rs_cl* | xargs redis-cli DEL
/data # exit
</code></pre></div>

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