This is a MIME-encapsulated message

--${extract{boundary}{$acl_m19}}
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

The original message was received at $tod_full
from ${sender_host_name} [${sender_host_address}]

   ----- The following addresses had successful delivery notifications -----
<${original_local_part}@${original_domain}>  (successfully delivered to mailbox)

--${extract{boundary}{$acl_m19}}
Content-Type: message/delivery-status
Content-Transfer-Encoding: 7bit

Reporting-MTA: dns; ${qualify_domain}
Received-From-MTA: DNS; ${if eq{${sender_host_name}}{}{[${sender_host_address}]}{${sender_host_name}}}
Action: delivered

--${extract{boundary}{$acl_m19}}
Content-Type: text/rfc822-headers

$message_headers

--${extract{boundary}{$acl_m19}}--