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If you haven’t started yet, you will soon find out that TEM testing can be a tedious process.  It’s certainly more frustrating when you can’t find the information you need.  Below are important resources and contact information to help you along the way with TEM testing.

First, be sure to check out the TEM Checklist and Troubleshooting guide on RIBBS –

Along with that there is also more information that can be found in the Postal Service Mail.dat Specific Guide.  This guide can be very helpful if you run into any error messages when validating and uploading your files. 

You can also find PostalOne! contact information on the Business User Gateway which I have also listed below.


Contact the PostalOne! Customer Care Center at (800) 522-9085 or

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