There is a DHL office just across the street from the South Gate of the university.
Nearest Post Office
The post office nearest to Boğaziçi University is located in Bebek, the village on the Bosporus just below the South Campus.
From the South Campus, go down the stairs to the right of the building of the Office of the Registrar, and then keep going down the hill to the Bebek Gate, turn right and walk into Bebek, about a ten minute walk. Walk through Bebek on the right side of the main street. Continue on past the shops and banks until you come to Hamam Sokak. Turn right. You will see the PTT sign on the left side of the street at no.7.
The Bebek Post Office has a Western Union service from which you can send and receive money.