If you work manually, you should say that you want to check your mailing situation. He will ask you what information you added when filling out the form, and then he will check it for you. You can also check the amount. If it is registered mail, you should write down your registered mail number and call 1185 to check it at the post office. If it is express mail, you don't have to worry about it. If it is delivered to your door, you need to write down the registered mail number or someone else will take it.