What Is Certified Mail?

Certified Mail is a special USPS service that gives you proof that your letter was mailed — and delivered. If you're sending something important, like legal notices, contracts, or tax forms, Certified Mail is often required or strongly recommended.

What Does Certified Mail Include?

• 🧾 USPS tracking number and barcode
• 📦 Delivery confirmation (proof of mailing and delivery)
• 📨 Optional Return Receipt (green card or electronic PDF)

When Should You Use Certified Mail?

You should use Certified Mail any time you need legal or professional proof that your mail was delivered. Common use cases include:

• ✅ Legal documents and court filings
• ✅ Tax notices or IRS correspondence
• ✅ Employment letters or HR documentation
• ✅ Tenant/landlord notices or eviction letters

How to Send Certified Mail Without Going to USPS

You don’t need to wait in line at the post office. With The Letter Pilot, you can send Certified Mail from any device:

• 📄 Upload your document or type a letter online
• 📬 Choose Certified Mail or Certified + Return Receipt
• 🚚 We print, prep, and send it with USPS tracking included

Learn more in our guides on how to send Certified Mail and Certified Mail cost breakdown for 2025.

Updated June 2025 • USPS policies subject to change