Dear Sir or Madam. My Name is Esther Martinez, I have been trying to contact tntpost but it has been impossible for me on the website of the company. Last june, I sent a packet from the netherlands to Spain. The packet was sent back to the sender (me) in Utrecht cause the adress was not found.
  I do not know what else can I do. It is exasperating trying to contact and not been able to find a person to contact with.
  
  The barcode of the packet is 3SSAGA1142057, The sender is Esther Martínez. Please, contact me in my e-mail adress to be able to find a satisfactory solution
  
  Best regards