No, you can't. Mail for Exchange can only be used to set up one Active Sync supported account at a single point of time.
- How can I update the software of my Nokia Asha or Series 40 phone without a computer?
- How do I resolve the “conflicting applications” error when starting one of my preinstalled applications?
- How can I recover/reset/restore my phone software?
- I cannot send or receive email
- I cannot hear through my headset