SPAM: Please get a new EIN

Another spam I got today, it looks fairly serious ;-), maybe the "Dear Sirs" part sold itself. Anyways, here it is for fun:

Title: Please get a new EIN
From: Clementina Evans
To the ATTENTION of: Accounting Department
Dear Sirs,
please be informed that you need to get a new EIN in connection
with the probability of fraudulent actions on your behalf. We
are sorry for the inconveniences that might be caused to you
by this measure. Please use the following link for instructions:
http://onesourceprocess.com/7wmzwt/index.html

Yours sincerely,
Clementina Evans
Office of Professional Responsibility
Internal Revenue Service