Hi! Since this thread is about USPS, the info I'm sharing may be relevant and potentially interesting for the thread subscribers.
We're preparing a webinar with Stamps.com:
http://blog.x-cart.com/automate-usps-shipping-with-stamps-com.html
Stamps.com has the tools to make your USPSâ•ť shipping process faster, more affordable and more efficient than ever before. Please register for the webinar if you want to learn more about complete automation.