# DPS - Digital Postal Service

> DPS (Digital Postal Service) is a Delaware-registered SaaS company that modernizes certified communications using AI, blockchain, and Web3. Its flagship platform, CaseMail, lets businesses send, track, and certify both email and postal mail with tamper-evident, court-admissible proof of content, mailing, and delivery. In 2021 the U.S. Postal Service certified CaseMail as the first producer of blockchain-generated ePostage labels, and the company has issued more than 3 million certificates used as evidence in U.S. courts.

- **Founded:** 2014
- **Headquarters:** Santa Cruz, California, United States (registered in Lewes, Delaware)
- **Founders:** Joe L. Ruiz (Founder & CEO)
- **Team size:** ~150 employees
- **Products:** CaseMail, Certified Email, CaseMail.AI, Blockchain ePostage / NFT Postage, Certified Documents
- **Notable:** USPS-certified as the first producer of blockchain-generated ePostage labels (April 2021), Over 3 million certificates of correspondence issued and used as court evidence, Certificates presented unchallenged in courts across all U.S. jurisdictions

## Products & services

- **CaseMail** — Flagship Communications-as-a-Service platform that digitizes and automates certified postal mailings, hashing and stamping documents with a blockchain-anchored CaseMail ID and auto-generating USPS Certified Mail Electronic Return Receipts. A U.S. Courts-approved notice provider.
- **Certified Email** — AI-driven certified email that integrates with 100% of email providers and supports Google, Microsoft, and legacy password authentication, producing verifiable records of email correspondence.
- **CaseMail.AI** — AI-powered solution that certifies email conversations, distributed to Microsoft customers via Microsoft AppSource and Azure Marketplace.
- **Blockchain ePostage / NFT Postage** — USPS-certified blockchain-generated ePostage labels using NFT tokens that record shipment and mailing history on-chain for a verifiable chain of custody.
- **Certified Documents** — Web3-based document certification providing digital certificates of authenticity and fraud protection.
- **Asset Transfers** — Web3 certification and management for digital asset ownership transfers and blockchain-based resale verification.
- **Supply Chain & Marketplaces** — Blockchain-enabled supply chain traceability, anti-counterfeit solutions, and marketplace integration.
- **Digital Stamps** — On-demand digital stamps for certified digital and postal correspondence.

## Achievements

- USPS-certified as the first producer of blockchain-generated ePostage labels (April 2021)
- Over 3 million certificates of correspondence issued and used as court evidence
- Certificates presented unchallenged in courts across all U.S. jurisdictions
- Recognized as a Top 5 App in the legal industry
- Approved U.S. Courts notice provider and USPS postal provider
- Expanded CaseMail.AI to Microsoft clients via Azure Marketplace and AppSource (2025)

## Latest updates

- **2025-01** — DPS announced CaseMail.AI expansion to Microsoft clients via Azure Marketplace and Microsoft AppSource.
- **2021-04** — USPS certified CaseMail as the first blockchain-generated ePostage provider using NFT technology.

## Links

- Website: https://dps.io
- LinkedIn: http://www.linkedin.com/company/digitalpostalservice
- YouTube: https://www.youtube.com/watch?v=5G4eFhi9fnw

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Profile page: https://yespress.io/dps
Published by YesPress — https://yespress.io
Last updated: 2026-07-15