wiping email addresses after upgrade

OK Hope someone can help me here I have an 8530 I got a couple months back when i busted my 8330m thanks to insurance and such...well I got my annual upgrade and went with a non BB and trying to wipe important info without getting rid of the apps and stuff...i got the messages and contacts and stuff gone but can't seem to delete the stored emails and can't connect to the blackberry email server to delete them...anyone able to tell me how I can get rid of the stored email addresses?