on the mail-on-ovi page it is said that all I need is just to go to messaging folder and select "create a new address". There is the messaging folder? Is it in my s60 phone messaging application, or on the ovi web page?
edit: I've figured out it's currently anavilable for s60 users:
"What about Mail on Ovi availability on Series 60 devices?
We are currently working on making Mail on Ovi available on Series 60 handsets. We think this will be available sometime in 1st Half of 2009."