With the numerous corporate account database breaches gaining access to millions of names and email addresses, there probability of getting a few email trying to get you to divulge passwords or bank account information. It is now time to be suspicious of all email.
This all brings me to this post. A few weeks ago How To Geek posted a great breakdown of how to verify that the email asking you to login to Paypal is real or not.
Online Security: Breaking Down the Anatomy of a Phishing Email