Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
On this project, we used a double color painting concept which made our project come out perfectly, this can also be your structure when you deal with standard painters Uganda limited