Nokia E61i

I just updated my E61i to latest firmware, and then I installed Mail 4 Exchange, it never asked me to setup password or soemthing like that, and then I restarted the phone.

now, it ask me for a Password, and I am clueless, what is that password. cuz mail for exchange never made me setup one to begin with.

Is there any way I can get it fixed??

Please help.

Thanks