I'm the happy new BB user but I would like to be even more happy and I hope you can help me out with that.
I spent a lot of time trying to understand and to figure it out how to set up Msg Option so they work as follows: When I delete messages on the website from my mailboxes (including Trash) they are NOT deleted from my BB but when I delete messages on my BB there ARE deleted from the server (website mailboxes on my account). Believe me it got on my nerves and it still does NOT work as I wanted to. I read similar posts but none of them helped me out.
Not sure about the BWC side, but to get them to delete on the server when you delete them on your handheld. Goto message options, then email reconciliation. Choose Delete On: Mailbox & Handheld. That should at least solve that problem.