Announcements
11/26/2021
REMINDER - NOV-29-2021 DATA FEEDS] USPS Returns and Outbound service via IV-MTR and EPS to IV-MTR (11.26.2021)
Announcements
11/26/2021
[NO CUSTOMER IMPACT] REMINDER - Nov-28-2021 - Scheduled Maintenance Activities (11.26.2021)
Data Files
11/26/2021
Mail Move File

Mail Move File as of 11-26-2021. 

**Note: There are no additional Mail Moves planned for the remainder of 2021.  A new updated file will be provided by January 7, 2022.  

Data Files
11/26/2021
Z4 Info File

A downloadable ZIP file containing information related to the Z4 Info File

Data Files
11/26/2021
Early Warning System (EWS002C0.ZIP)

This document contains the Early Warning System data file for the CASS™ and MASS™ certification process.

 

Announcements
11/24/2021
[NOV-29-2021 DATA FEEDS] USPS Returns and Outbound service via IV-MTR and EPS to IV-MTR (11.24.2021)
Announcements
11/24/2021
[NO CUSTOMER IMPACT] REMINDER: Nov-28-2021: Scheduled Maintenance Activities (11.24.2021)
Contact Lists
11/24/2021
CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Current Cycle
Fact Sheets
11/24/2021
CASS™ and MASS™ Certified Products Guide Cycle: 2011-2023
Contact Lists
11/24/2021
CASS™ Certified Products Guide: DSF2® Licensees Data File Current Cycle