Someone recently tried to use an application to sign in to your Google Account - firstname.lastname@example.org. We prevented the sign-in attempt in case this was a hijacker trying to access your account. Please review the details of the sign-in attempt:
Thursday, January 3, 2013 5:51:23 AM UTC
IP Address: 188.8.131.52
Location: Hefei, Anhui, China
If you do not recognize this sign-in attempt, someone else might be trying to access your account. You should sign in to your account and reset your password immediately. Find out how at LINK
If this was you, and you want to give this application access to your account, complete the troubleshooting steps listed at LINK
Note: This email address cannot accept replies.
The Google Accounts Team
that seems like legit email.