Emails are being sent unparsed

Hello {TO_USERNAME},

The following is an e-mail sent to you through the administration contact

page on "{SITENAME}".

<!-- IF S_IS_REGISTERED -->

The message has been sent from an account on the site.

Username: {FROM_USERNAME}

E-mail address: {FROM_EMAIL_ADDRESS}

IP Address: {FROM_IP_ADDRESS}

Profile: {U_FROM_PROFILE}

<!-- ELSE -->

The message was sent from a guest who specified the following contact

information:

Name: {FROM_USERNAME}

E-mail address: {FROM_EMAIL_ADDRESS}

IP Address: {FROM_IP_ADDRESS}

<!-- ENDIF -->

Message sent to you follows

~~~~~~~~~~~~~~~~~~~~~~~~~~~

{MESSAGE}