NEVER EVER reply directly to a notification sent via email.  It is almost assuredly a fraud or method of getting someone to log on to a faked out site for nefarious purposes.  
Well.....
I'll let you all in on the purpose of the survey - and also why Roarmeister, while being absolutely, 100% correct in one regard - is so problematic for companies that want to do business with him. . 
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At the same time, the risks for "phishing" attacks - email that is intended to trick people into giving up their login information to financial sites - are very real. eBay is a   
major target for phishing attacks but almost any company that involved real money is a target.