Mailers Online

Advisory – Mailing Solutions & USPS Price Change

The new USPS® price rates take effect Sunday, August 29, 2021 and requires updates for the following postal solutions: Presort Object, Mailers+4 and Mailers Online.

Presort Object

Presort Object must be updated before processing any mailings that will be submitted August 29th or after that require the new rates. An email will be sent out to Presort Object customers with the link to download the August 2021 prices once finalized.


The Mailers+4 “Presort” feature will be disabled on Sunday, August 29th, 2021 and will require a patch to be installed in order to presort using the new rates. The patch will be available on Mailers+4 Wiki once finalized. Alternatively, the new rates patch will automatically update when Mailers+4 is opened on Monday, August 30th.

Mailers Online

Mailers Online will be down temporarily August 29, 2021 to update the new USPS price rate changes, and will be ready for users to process jobs with the new prices on Monday, August 30th.

For more information about the new rates and changes, please visit:

For any questions, please email us at or call 1 (800) 800-6245 option 4.

Similar posts

Get notified on new data quality features and insights

Be the first to know about new data quality and product features.