I am having the same issue. Cannpt connect IMAP or POP using Exchange 2010 SP3 for Alert Central. I keep getting:
DEBUG: setDebug: JavaMail version 1.4.5
DEBUG: getProvider() returning javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc]
DEBUG: mail.imap.partialfetch: false
DEBUG: mail.imap.statuscachetimeout: 1000
DEBUG: mail.imap.appendbuffersize: -1
DEBUG: mail.imap.minidletime: 10
DEBUG: trying to connect to host "WBC-EX-01.wbc.local", port 993, isSSL true