Hi all;
Why dont you benefit from PO confirmations?
Please look at PO item details/confirmations/confirmation control: shipping notification
Also, you can define new confirmation controls in configurations. Vendor confirmation take the form of an order acknowledgment, loading or transport confirmation, or shipping notification.
Spro-Mm-Purchasing-Confirmations
Firstly, Define External Confirmation Categories like Acknowledgment , shipping notification etc..
Secondly, Set up Confirmation Control
Create inbound delivery and activate tracking .
You can follow up shipping details based on dates.
Regards.
M.Ozgur Unal