After a user receives the United States Postal Service (USPS) Web Tools Registration System Notice email, you can add the user's USPS username in System Administrator.
Open System Administrator, and then select the user to configure.
Select the External tab.
In the External User Mapping section, right-click and then select New.
The Add External Interface window opens.
In External ID, enter the user's USPS username.
The USPS username is a string of numbers and letters.
111PRACA111
In External System, select USPS.
In the Password field, enter the password received in the USPS email, and then select OK.
