You need to setup your GPRS internet connection first. once you get this up and runing you can setup your push email

(new mails sent automaticaly to your phone)
to setup internet
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1. check your sim card support data communication (ask the provider) (may need to pay monthly subscription)
2. goto settings -> connections -> data connection -> APN , set the APN (mine is pp.vodafone.co.uk) and thats it.
from email settings select the connection to use intenet.