USPS USPS® Mail Processing

A Complete Solution for USPS® Mail Processing

Flex Systems’ USPS mail processing module allows for comprehensive address quality and mail processing features. The module gives you access to services such as CASS™, NCOA, DSF2®, presort and more, enabling you to generate the highest possible discounts through the USPS.

  • CASS Certified™ for address correction

    Standardize abbreviations and address formats to USPS guidelines, correct the spelling of streets and cities and verify deliverability, includes DPV™, LACSLink®, and SuiteLink™ processing. Add missing postal data including nine-digit ZIP codes™, eLOT® and carrier route numbers, delivery points, and more.

  • Move Update service

    Process lists against the limited 18-month or full 48-month NCOALink® data set. NCOALink processing meets USPS Move Update requirements for First-Class Mail® and Standard Mail® discounts.

  • Address Enhancement

    Optional address enhancement services include DFS (Delivery Point Sequencing), Apartment append, Phone append, and Geocoding.

  • Dedupe

    Check for duplicates within your file. Optionally, you can check your addresses against nationally compiled lists for ‘Do Not Mail’, Prison and Deceased suppression.

  • PAVE™ certified postal presorting

    Sort address lists for the lowest possible postal rates and generate all required USPS documentation, reports and postage statements. The service includes support for First-Class Mail® and Standard Mail®.

FlexMail’s additional features to design Permit Imprints, generate and print Postnet™, Code128 and IM™ Barcodes, and the usage of postal design templates, make FlexMail a complete solution for USPS mail processing.

The Industry’s First Blended Mailing Solution: Part application, part SaaS

Flex Systems’ USPS mail processing module is powered by TEC Mailing Solutions™, the leader in enterprise grade SaaS for address hygiene and presort solutions. The back-end CASS and presort engines are the most robust in the industry, powered by SAP®. The services are delivered on-demand, through the cloud. Processing takes place in real time, while you wait.

The services can be accessed through FlexMail without having to install additional software and data files on your computer. The interface to the service is completely integrated in FlexMail, creating a hybrid system that takes advantage of hosted functionality without sacrificing the usability of client side applications. Constantly changing postal requirements and software updates are no longer burdensome to the end users, reducing the cost of ownership.

  • No software to load, No licensing to buy!
  • No updates to install, always up-to-date.
  • No special hardware required.

Use and Pay only what you need

An annual subscription for the USPS module can be purchased for an additional fee, or used as needed, pay-as-you-go; further enhancing the value of these features to you by allowing you to only use – and pay - what you need. This also brings the USPS discounts within reach of small or infrequent mailers.

  • Low 'Pay-as-you-go' pricing for occasional users.
  • Cost effective annual subscriptions for frequent users.
  • No Add-on’s. Dedupe, Palletization, and Mail.dat included.

All USPS® Mail Processing Features Needed

The Address hygiene, dedupe, and Presort services combined with the powerful design, printing, and mail production features of FlexMail give you an unsurpassed solution for USPS mail preparation.

Address Hygiene Services

  • CASS Certified™ for accuracy by the USPS. Produces Form 3553.
  • Integrated DPV™ ensures that each address is a deliverable location.
  • NCOA 18 or 48 months processing.
  • Optional Delivery Sequence File (DSF2®) processing.
  • Apartment append, Phone append, Geocoding.
  • Instant, on-line, Process Acknowledgement Form (PAF) generation.
  • Extensive formatting options for returned data, like casing and replacing or removing address elements.
  • Supports batch processing as well as single address look-up.






  • Remove duplicates from your list based on a number of methods (one per address, one per household, one per individual, or one per business).
  • Check your addresses against nationally compiled lists for ‘Do Not Mail’, Prison and Deceased suppression.
  • Move removed records to a back-up file.

  • USPS PAVE™ (Gold) Certified presort processing.
  • Lowest available presorted postal rates for volume mailings.
  • Advanced business rules driven Drop Ship Entry Point Lists that can maximize your postal savings even further .
  • Palletization of sacks and trays.
  • Produces all required USPS mailing paperwork. All reports are generated in PDF format for easy access and printing. Viewing and printing are integrated in FlexMail.
  • Generates Mail.dat.
  • Customizable break marks for packages, containers and pallets.



Additional USPS™ Mail Features


USPS Design

  • Easily add a Permit Imprint to your mailing.
  • Generate and print Postnet, Code128 and IM Barcode (IMb).
  • Use postal templates to help you design your mail piece according to the USPS standards.


FlexMail™ provides both pay-as-you-go payment services and annual subscriptions. When your business is utilizing list hygiene services on a regular basis it may be beneficial to purchase an annual subscription. The subscriptions are provided at manageable levels that are based on a user's expected mail volume per job\order.

When you are using both FlexMail and FlexStream, your subscription can be used in conjunction with both programs. Please note that due of processing logic in FlexStream, dedupe can not be used in FlexStream.

If you have any further questions that cannot be understood in the subscription grid provided, please call us toll free at (803) 388 8010 or send us an email at


Pay-as-you-you-go allows users to use any of the processing services on a per address basis. Also, users that have a subscription can use this to buy additional services not covered by their subscription. Only the services not covered in the subscription will be charged. Costs are per 1000 records with a certain minimum and are paid on-line by credit card.

Per 1.000 Minimum
Basic services
CASS Processing $ 0.40 $ 25.00
CASS + NCOA 18 month $ 0.50 $ 50.00
CASS + NCOA 48 month $ 0.60 $ 70.00
Dedupe $ 0.50 $ 50.00
Presort $ 0.50 $ 20.00
Additional services
DSF2 Processing $ 0.65 $ 95.00
DMA 'do not mail' suppression $ 0.50 $ 30.00
Prison suppression $ 0.50 $ 20.00
Deceased suppression $ 1.00 $ 50.00



Subscriptions allow users to unlimited usage of the processing services covered by the subscription for any mailing lists with a certain maximum number of addresses for the subscription period. Subscriptions can be purchased through our partners.

The following subscription packages are available:

Period Recs per job
CASS Only Yearly Unlimited
CASS + NCOA 18 month Yearly Unlimited
CASS + NCOA 18 month / Dedupe Yearly Unlimited
CASS / NCOA 18 month / Dedupe / Presort Yearly 5.000
CASS / NCOA 18 month / Dedupe / Presort Yearly 50.000
CASS / NCOA 18 month / Dedupe / Presort Yearly 100.000
CASS / NCOA 18 month / Dedupe / Presort Monthly 100.000
CASS / NCOA 18 month / Dedupe / Presort Yearly 1.000.000


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