has a feature that allows one to print shipping labels but the printing process is (by default) fairly Windows-centric: the file passed to the computer when you click “Print Postage” ends in an oddball filetype OS X doesn’t know anything about (the file extension is “LabelGenerationServlet.”)

Safari doesn’t do squat when you click the link and Firefox doesn’t appear to (really it downloads the file but since OS X is stymied by the file it just sits there after download.)

Anyway accessing from Google Chrome for OS X works ’cause Chrome auto-converts the downloaded file to PDF upon download.

Take that!