Applying for Access to Informed Visibility® Mail Tracking & Reporting (IV®-MTR)

This presentation provides instructions for applying for access to the IV Mail Tracking & Reporting application (IV-MTR). The instructions include how to register for a Business Customer Gateway (BCG) account, add the IV-MTR service in the BCG, and how to sign in to the IV-MTR portal to begin using the service. 

Publication for Streamlined Mail Acceptance for Letters and Flats (Pub 685)

Streamlined Mail Acceptance for Letters and Flats (Pub 685) contains the policies and processes for the verification of eligible business mailings using tools provided by Intelligent Mail® Full-Service, eInduction, and Seamless Acceptance.

Informed Delivery API Technical Specifications V1.0_5.1

Informed Delivery API Release Notes V1.0.3

INFORMATIONAL - Commercial System Releases – October 28, 2026 and November 1, 2026

Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

INFORMATIONAL - Postal One System Promotions Not Applied to Postal Wizard Statements

Plus One Product Requirements (Technical) (Updated 10/23/26)

Plus One Updated 10/23/26

Mailers Technical Advisory Committee (MTAC) Membership Roster and Vacancies

October 23, 2026 Program Registration 31.4.0.0 Pre-Release Notes

Coming soon.

INFORMATIONAL - Informed Delivery Mailer Campaign Portal (MCP) Scheduled Outage on October 24

INFORMATIONAL - PostalOne! Alert – October 25, 2026