Using IMAP on the Grad/Research Network
You must set your mail client to use Secure IMAP.
Configure the following settings on your mail client:
Server Name: pop.cs.jhu.edu Port: 993
Security Settings: SSL
Also, you'll want to set your inbox to be cleaned of mail you marked for deletion. Different email clients handle this function differently.
FOr example, under Thunderbird, select:
Clean up ("Expunge" Inbox on Exit.