USPS PostalPro

News from PostalPro.
This is a mailer guide for creating campaigns via PostalOne! through Mail.dat eDoc submission.
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This is a guide for submitting campaigns to PostalOne! via Mail.XML electronic documentation (eDoc).
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The 2025-2026 Catalog Insights Guidebook provides you with all the details you need to successfully participate in this promotion. In the Guidebook you will find information on the eligibility, information on the Mailing Promotions Portal, and more. Navigate the document via the buttons on the side to quickly access the information most relevant to you. QUICK LINKS Catalog Insights FAQ
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This document outlines the CASS/MASS certified vendors list for RDI™ Cycle O.
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