Strange E-mails

[Chris Kidd <chris.kidd () UTAH EDU>]

This may have already been addressed, but we have been receiving a number of strange e-mails - no attachments - with 
the following in the message:

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From: Mrs. Hook [mailto:wswilliamscott5 () gmail com] 
Sent: Wednesday, November 19, 2008 1:45 AM
To: <redacted>
Subject: Hello

Hi Sir/Madam,
                    
               Have a nice Day.
                        
Regards
Hook 
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Is anyone else experiencing this and if so - any thoughts as to what's behind the e-mails?

Thanks,
Chris