Blank Emails received in Outlook 2003

I’ve had a couple of users in the past have this issue. Last week, one user received a total of 42 blank email the same days. Below are the facts.

* All emails were received on 2/12/2005 from 9:11-9:12am.
* All emails are of 791 Bytes
* From:/To:/CC:/Subject:/Body:/ are all blank.
* There are no Internet Headers on all emails.
* 42 emails in total.