The cheque has not cleared, obviously. I am wondering what to do now. No money was taken out. All I have are e-mail addresses of the person who sent the cheque and the one who contacted me in the first place. Should I give the bank the info?
Telll the bank all of the info that you know, and DO NOT TAKE OUT ANY OF THE MONEY FROM THAT CHECK!!!!! Once the check comes back as counterfeit, they will take the full amount of the check out of your account, but if you have not taken the money out then your account will just be back where it started before all of this.
Also, you may want to file a police report. This will show that YOU are not the scammer and that you found out after the fact that you were being scammed. (I have seen some banks come back at the victims and try to charge them with being the one who made the counterfeit checks, so being honest and doing a report now will help to keep you looking like the victim, not the scammer.)