While traveling out of the country, I put my travel companion's yahoo email account into my Tour so he could receive his emails. When I returned home (US) I synced/backed-upped my phone not thinking about his yahoo account. I have synced removed his email before I realized that my phone is now synced with his email address. When I go to my address book, all of my contacts say "Sync with (his email) I setup and deleted his account through the email setup program, but now even my access to my email setup will not take my password. Anyone ever have this happen?
Try to uninstall both email addresses and go through the setup of the email address that you would like to have sync with your Blackberry. Hope that helps!
To log in to the BlackBerry Internet Service (BIS) website, there must be an existing account.