[We're a NE customer with build 901, but I believe this also applies to the currently shipping production connector.]
A user wants his legal name, I. Lewis Libby, Jr., to be the Display Name in the LDAP directory, because that is what is most appropriate for public consumption.
However, he wants the nickname Scooter Libby to be his full name for outbound mail.
In ZWC, this is supported by changing Default Identity. In Outlook 2003/2007+ZCO, I can find no way to do this. Outlook 2007 has gazillions of options; is it hiding there somewhere, or should I post an RFE?