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.
Your account number or customer ID Details about your issue or question Any previous correspondence or reference numbers Being prepared helps you explain your situation clearly and can speed up the resolution process. 2. Be Polite and Patient