USPS PostalPro

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Certified Mail®
PostalPro 05/10/2024 08:00
Certified Mail is an extra service that provides the sender with a mailing receipt, tracking history, and, upon request, electronic verification that a mail piece was delivered or that a delivery attempt was made. Certified Mail can be used with both First-Class and Priority Mail, and items sent with this extra service are dispatched and handled in transit as ordinary mail. This guide provides an explanation of the product, the different types of Certified Mailings, and instructions for preparing Certified Mail.
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This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ TEM Release 60.0.0.0
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This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PrePROD Release 60.0.0.0
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This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PROD Release 60.0.0.0
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