Resolved: email.psu.edu IMAP Issue
ITS is in the process of e-mailing all affected users today instructing them where to locate their restored e-mail messages. All mail was fully restored on October 29, and the restore verification was completed on November 5.
More information: Resolved: email.psu.edu IMAP Issue
Story added 6. November 2013, content source with full text you can find at link above.