This is a phishing attempt first reported to CSULB ITS on October 20, 2014.
From: Jim Norris 
Sent: Monday, October 20, 2014 2:32 AM
Subject: System Administrator.
Email informs recipients their mailbox has exceeded its limit and to click on a link to re-validate account or they will not be able to send/receive emails.
Intent of the Email
The sender is intending to obtain personal account information for their own malicious purposes.
Figure 1: Screenshot of the phishing email