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USPS shipping module


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When I installed the USPS shipping module, I registered with USPS and was given a user ID and password for use on their testing server. However, when I installed the module, there was not an option for which server to use (Testing or Production).


I went ahead and used the user ID and password that I was given and installed the module according to the steps on the oscommerce knowledge base.


I get an error when I try to test the purchase of a product.


"An error occured with the USPS shipping calculations.

If you prefer to use USPS as your shipping method, please contact the store owner."


Can anyone offer advise or help?


Thank you!

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