Contact Lists
01/21/2026
Publication 205 eVS Electronic Verification System Pre-certified

Software certified for mailers to use eVS for parcel shipping:

*Precertified for file format.

*Precertified for labels. 

Announcements
01/20/2026
INFORMATIONAL: PostalOne! System (PO!) – [INCIDENT # 10342990] Mail.dat, Mail.XML and Shipping Services Files (PO! eVS) Processing Delay
Release Notes
01/20/2026
01_20_25_PTR2 Release Notes
Announcements
01/20/2026
Engage with Us at the Strategic Innovation Pop-Up Mini-Cafe!
Announcements
01/20/2026
INFORMATIONAL - Postal Service Opens Bid Solicitation Platform For Entry to Last-Mile Delivery
Release Notes
01/18/2026
January 18 2026 Release Notes
Announcements
01/17/2026
INFORMATIONAL - Commercial System Releases – January 22, 2026
Announcements
01/17/2026
INFORMATIONAL - Price Change 2026 Effective Date - January 18, 2026 Commercial System
Announcements
01/17/2026
INFORMATIONAL - Enterprise Payment System (EPS) – [INCIDENT 10334117] - Over Debiting of EPS Trust Balances
Announcements
01/17/2026
INFORMATIONAL - Package Tracking Access Control Webinar Schedule Update Notification