i sent from tonkeeper to my binance but wrongly type the last 3 letters then they sent back only the fee amount to my tonkeeper and they say "if u want fully refunded send us tonkeeper wallet phrase".

there telegram number +888 0216 3842

by the name binancerefund.ton().

is this legit or a scam???

pls help me.

if the reciever address does not exist can it be refundable ???