There have been several reports of a phishing email sent from the "Help Desk" with the subject ERROR 20903. and a request to click on a link. Do not do so. Instead, alert Google by reporting it as phishing (from within the message, click on the down arrow to the right of the REPLY button and select "Report phishing") or simply delete it.
---------- Forwarded message ----------
From: Help Desk [ firstname.lastname@example.org ]
Date: Fri, Jul 18, 2014 at 11:01 AM
Subject: ERROR 20903
Dear Brown.Edu User
This is an automatic message by the Email system to let you know that you have to confirm your account information. An Attempt has been made to login your account from a new computer, You might not be able to send or receive new mail until you re-validate your mailbox. To re-validate your mailbox. CLICK HERE