While the text of the link in the email looks legitimate, the URL is actually different and brings you to a phishing website.
Webmail Update
Stanford University Email & Calendar system have been updated.
Please visit the updated Zimbra Email for information and instructions on how to access your email.
To access your email via the web: https//webmail.stanford.edu/
Updated Webmail includes a refreshed interface with tabs on top and a new inbox email default theme.
Beginning on Friday, August 30th, 2013, the new web-mail application becomes the default for all users.
Updated to improve performance (Standard and Basic interfaces)."