If you would like to use LionMail in addition to Exchange, follow these simple steps. Please be aware that messages sent to yourUni@mail.columbia.edu are only sent to your Exchange mailbox and will not be forwarded to LionMail (e.g. Meetings created in Outlook)
Steps:
1. Go to http://cuit.columbia.edu/cuit/manage-my-uni
2. Click UNI Mail Forwarding
3. Enter your UNI and password when prompted
4. Click the Change Forwarding button
5. Check the box next to Check to also deliver a copy to [yourUNI]
6. Click the Save Changes button