USPS CASS Software: All-inclusive bulk mail software solution integrating mailrooms with the fastest, most economical, most reliable postal service. Interactive Bulk Mail Software Component Diagram Page Topics: USPS Bulk Mail Software - Postage Discounts - Presort Mail - Postal Bulk Mail

USPS Mail Automation 101 - What is USPS Bulk Mail?

Any mail class is considered bulk mail when presented to the US Postal Service in sufficient quantity to qualify for bulk mail postage discounts. USPS bulk mail is often refereed to as presort mail.

USPS Bulk Mail Automation/Presort Mail - Is it right for you?

The Postal Service offers huge bulk mail automation postage discounts because you do some of the work that otherwise would have to be done by the Postal Service. Mailers make an investment in time and technology, and the Postal Service’s costs are reduced and you pay less postage.

USPS Bulk Mail Rates – How much can you save?

Savings potential depends on class and number of presort mail pieces. The minimum number of pieces to qualify for USPS automation postage discounts is listed by class below.

• 500 presort mail pieces for First-Class
• 200 presort mail pieces (or 50 pounds) for Standard
• 50 presort mail pieces for Parcel Post
• 300 presort mail pieces for Presorted or Carrier Route Bound Printed Matter
• 300 presort mail pieces for Presorted Library Mail
• 300 presort mail pieces for Presorted Media Mail (sometimes called "book rate")

USPS Bulk Mail Software – What is required?

• Get a mailing permit and pay an annual mailing fee.
• Pay postage using pre-canceled stamps, postage meter, or permit imprint.
• Make smart choices about the size, shape, and weight.
• Use CASS certified addresses with POSTNET barcodes.
• Presort mail pieces (separate or presort by ZIP-codes).
• Take your mail to the post office where you hold your mailing permit.