Wirelessly posted (8700g: BlackBerry8700/4.2.1 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/100)
It happens that I was either at home or office. But FYI you may have a 'setup internet email' icon on your blackberry. Check it out. You should see the email accounts you've set up, with delete and edit links. You should be able to edit and re-enter password from the handheld.