Announcements
06/13/2025
DELIVERY: Southern Area – Alabama-Mississippi District - Rolling Fork Post Office (39159) -Temporarily Suspended
Announcements
06/13/2025
INFORMATIONAL: JUNE 16-20 RECOMMENDATIONS ON LIVE ANIMAL SHIPPING
Announcements
06/13/2025
PROCESSING AND DISTRIBUTION - Planned Power Outage Scheduled-Greensboro NDC
Announcements
06/13/2025
PROCESSING AND DISTRIBUTION - Planned Power Outage Scheduled-Baltimore PDC
Program Requirements
06/13/2025
2025-2026 Catalog Insights Promotion

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
Announcements
06/13/2025
INFORMATIONAL - Web Tools Retirement and Migration Dates
Tech Guides
06/13/2025
Informed Delivery Mail.XML Mailer Guide

This is a guide for submitting campaigns to PostalOne! via Mail.XML electronic documentation (eDoc).

Tech Guides
06/13/2025
Informed Delivery Mail.dat Mailer Guide

This is a mailer guide for creating campaigns via PostalOne! through Mail.dat eDoc submission.

Contact Lists
06/12/2025
CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)
Contact Lists
06/12/2025
RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

This document outlines the CASS/MASS certified vendors list for RDI™ Cycle O.