just tested on my e-mail addy and was ok try the link in the message and see if you can down it this is the e-mail you get from them when you send a file .
Hello from YouSendIt,
You've got a file called "ft11setup.rar" (346 KB) waiting for download.
Message:
hear you are
Please click on the following link to retrieve your file. The link will
expire in 7 days and will be available for a limited number of
downloads.