NameVirtualHost webmail.fletzner.de:80
<VirtualHost webmail.fletzner.de:80>
        ServerAdmin [email protected]
        ServerName webmail.fletzner.de
        DocumentRoot /var/sites/webmail.fletzner.de
        ErrorLog /var/log/apache2/webmail.fletzner.de
        LogLevel warn
        CustomLog /var/log/apache2/webmail.fletzner.de combined
        ServerSignature On
</VirtualHost>