I havent read much about this. I only know if it through a friend. The link is related to an "Action Pack" from MS. Might be worth a read to see if you or the company you are buying for is a hosting provider etc...
At those prices, you would be better off downloading it off a warez server, and not giving any money to those scammers. I have never gotten those emails, but I all the time get emails for lets just say personal body part enlargment, which are very annoying. They use hashing so not only are they spam, there spam you cannot read or block
Anyways thought I would reply, I have not been around for awhile.
The corporate license is too expensive for even a 20 user install. IMO you are best off to buy a little hardware and get OEM from a site like newegg or soemthing. Even with the hardware it is still far less than manyothr places, and the software is 100% legit.