If you have a hidden Deleted Messages folder, the following steps should make it visisble.
1. Select Preferences from Mail.
2. Click on Accounts.
3. Select your UTORmail account under Accounts.
4. Click on Mailbox Behaviors.
5. For Trash, remove the check mark next to Move deleted messages to the Trash mailbox.
6. Click on the Red X in the Accounts window.
7. Click Save in the Save Changes confirmation window.
8. Exit Mail and start it again.