인터넷 우체국 내용 증명 How to apply for and inquire online proof of content (download the form for free)
인터넷 우체국 내용 증명 What is Internet content verification service? This is a postal service in which the post office publicly certifies that the sender sent a document with ‘some’ content to the recipient ‘when’. You can apply for proof of contents through the 24-hour Internet Post Office without visiting the post office. Post office … Read more