You might get e-mail from system that said the order was shipped even you already get it. It just a rest of the tracking system because it doesn't work as it was.
Any order place and with clear payment in my web store before 03-13 should e-mail me for shipping update if you want a update on shipment.
And, from now on , you will get a e-mail with you tracking number. If you have any question do contact me at firstname.lastname@example.org with your Full name and PayPal information or a copy of payment receive e-mail.
Again, if you already get tracking information, just ignore this message.