Please check my email... I would appreciate your comments and corrections

I am writing to inform you that I had have received a your message sent with the TNT delivery service tracking number "1600272855." ,  from you. 

However, TNT delivery service originally has a 9-digit sequence of numbers while the number you sent has a 10-digit sequence of numbers. Please send me the correct tracking number as soon as possible.

Let me know whether you haven't sent it yet with a tracking number or you sent a wrong number. 

Please message me as soon as possible

However, It has turned out that it has been still the wrong number for 3 days.

As I had known by myself,  

Please check my email... I would appreciate your comments and corrections

I am writing to inform you that I had have received a your message stating the package was sent by TNT delivery service with the tracking number "1600272855'.  from you.

However, It has turned out that it has been still the wrong number for 3 days. this number is still incorrect after 3 days of waiting. (Is this what you are trying to say?)

As I had known by myself, TNT delivery service originally has uses a 9-digit sequence of numbers while the number you sent has a 10-digits. sequence of numbers. Not incorrect, but not natural.

Let me know whether you haven't it has been sent it yet with a tracking number or if you sent a the wrong number.

Please message me as soon as possible.