University of Illinois (UI) officials worked to fix an attack on the campus email system after companies began blacklisting all emails from university accounts due to a significant phishing scam. The staff has taken steps to mitigate the attack and advised those with UI email addresses not to change their passwords unless they are contacted by Campus Information Technologies and Education Services.
Source:
http://www.news-gazette.com/news/university-illinois/2013-03-29/ui-staff-counter-attack-campus-email-system.html