You should go to the post office when using nonstandard envelopes or postcards. The Express Mail Service is provided by Korea Post under special agreements with the postal authorities of other countries.
The service will deliver your urgent letters, documents and parcels to another country by the safest available method.
Besides post offices, other shipping firms like DHL, Federal Express, UPS, Hanjin Shipping Company, and EMS also provide overseas mailing services
|Hanjin Shipping Company|