I went to the post office to ship some stuff today, and the clerk didn't want to let me send one of the packages via Global Airmail. The box's size was 12x12x8 - which fits the limit imposed by the USPS (the sum of width, height and length cannot exceed 36 inches, and my package fit in the category).
The clerk said that "Airmail is not for large packages such as this. You have to use Parcel Post." Say wha? The package FITS the size limits set by the USPS. I told him, I checked the rules online. But still, he said that he wouldn't let me ship the item the next time. (I couldn't ship it anyway, the weight was four ounces over 4 pounds.)
What the hell. Who should I contact to complain about his behavior? I normally use large boxes such as that to ship large lots of items to Canada and Europe, and him saying this may in fact prevent me from shipping large packages outside the USA again. :\