So many questions about this.
1. There's a guide about how to recall proof your accounts.
2. There's been so many questions about this, use the SEARCH tag.
I'll answer your question anyway as I'm such a nice little cute cuddly guy. You need to get the email changed on your accounts, that's the most important thing. Then you can send a ban email to prevent them from recalling. There's alot of guides on this.
Tips on what to do with the accounts: Well, you could either scam with them, sell them to for example, lets say, Buy WoW, WoWEURO, EQ, EQ2, FFXI, LOTRO, VSOH, Accounts For Sale you'll get around 100-200$ per account. But keep in mind you should be pretty sure that they wont recall their accounts because if they do you might be en debth to paypal which isn't a very good thing.
Yeah so, Sell, Scam, Trade, Give, Play. That's a few advices, let me get one of those guides on how to recall proof your account:
http://www.mmowned.com/forums/wow-sc...tml#post706132 - This will answer all your questions, hopefully.
http://www.mmowned.com/forums/wow-sc...o-changed.html - Might be usefull for you to read aswell.
I hope this reply helped you out abit. Have fun scammin