<header>Thunderbird auto-configuration XML</header>

This field allows you to customize the XML that is returned to mail clients
that access the URL path <tt>/mail/config-v1.1.xml?emailaddress=user@example.com</tt> on a domain using this template. Clients like Thunderbird can use this
XML to automatically configure the mail server hostname, login, port, protocol
and username, based on the email address. <p>

The default XML generated by Virtualmin will work fine in most cases, but in
some situations you want to change the IMAP or SMTP server names, or other
settings. In the template, you can use standard substitutions like
<tt>${DOM}</tt> and <tt>${IP}</tt>, which will be replaced by the domain's
name and IP address when used. <p>

Other variables that can be used in the XML are :

<ul>
<li><b>$SMTP_DOMAIN</b> - The domain name, like example.com
<li><b>$IMAP_HOST</b> - Default IMAP server name, like mail.example.com
<li><b>$IMAP_PORT</b> - Automatically determined IMAP server port (like 143) taken from the IMAP server configuration
<li><b>$IMAP_TYPE</b> - Either <tt>SSL</tt> or <tt>plain</tt>, depending on your IMAP server configuration
<li><b>$IMAP_ENC</b> - Either <tt>password-cleartext</tt> or <tt>password-encrypted</tt>, depending on the IMAP server config.
<li><b>$SMTP_LOGIN</b> - Full username to login to the IMAP and SMTP servers, like <tt>bob.example</tt>
<li><b>$SMTP_HOST</b> - Default SMTP server name, like mail.example.com
<li><b>$SMTP_PORT</b> - Automatically determined SMTP server port (like 587) taken from the mail server configuration
<li><b>$SMTP_TYPE</b> - Either <tt>SSL</tt> or <tt>plain</tt>, depending on your mail server configuration
<li><b>$SMTP_ENC</b> - Either <tt>password-cleartext</tt> or <tt>STARTTLS</tt>, depending on the mail server config.
</ul>

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