Originally Posted by RichardInSF
However, the post office is outside the secure area, I don't think there's one unless you go through immigration. Not absolutely positive, though.
Dunno about T2.
As I learned on my last layover there there are no post office (ar ATMs for that matter) inside the secure area. You'll need to go through customs in order to get to the post office, hit an ATM, or get Starbucks...