BB Curve :: Setup Email Accounts On It?

I am trying to setup email accounts on my phone. I can get as far as the additional settings page where you input email server and username. Having completed this I click on next but instead if getting a finish icon the software goes back to the page for adding a new account. If I then click on set up a new email account the screen goes blank apart from the word 'login' at top of page. I have managed to set up one email account, but this did not need the additional settings.Phone is curve 8900.On a related matter, is there way of temporarily suspending the email on phone with out actually deleting the account.