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.
At bethan real estates we sell land at affordable prices with ready title. We're located in seeta along bukerere road after the market next to shire petrol station in divine mall room 16.