Like you may be aware, don't give any account information to anybody if they ask for it over an email. Don't follow any money-related links in emails.
Go to the relevant web site direct, and see if they have any messages for you.
I just got this in the mail:
"PayPal Is Sending You This E-Mail To Inform Your That Our Processors Are Unable To Verify Your Account Profile.This Could Be Due To Many Reasons, For Example..."
There was a link to click to give the "updated information". I took the domain part from that link and got this site:
... I'd guess that's a sign we are not on a legit site...!