Basics
May 23, 2025

Certified mail is a secure way to send important documents and packages while receiving proof of delivery. Whether you're sending legal paperwork, contracts, or time-sensitive notices, this guide will walk you through the process of sending certified mail effectively.
What is Certified Mail?
Certified mail is a service offered by postal services that provides proof of mailing and delivery. It includes a tracking number and requires a signature upon receipt, ensuring that your document reaches the intended recipient securely.
Why Use Certified Mail?
Commonly used for:
Legal and court documents
Business contracts
Government correspondence
Tax documents
Notices of eviction or termination
Any document requiring proof of delivery
How to Send Certified Mail
Step 1: Prepare Your Document or Package
Ensure your document is properly sealed in an envelope or your package is securely wrapped.
Step 2: Visit the Post Office
Certified mail services must be processed at a post office. Locate the nearest post office and bring your mail item with you.
Step 3: Fill Out the Certified Mail Form (PS Form 3800)
Request PS Form 3800 from the postal worker or pick it up in advance. This form includes a unique tracking number and serves as proof of mailing.
Step 4: Choose Additional Services (Optional)
You can enhance security with additional services like:
Return Receipt (PS Form 3811): Provides a physical or electronic proof of delivery, including the recipient’s signature.
Restricted Delivery: Ensures only the recipient can sign for the mail.
Certified Mail with Electronic Return Receipt: Offers digital confirmation of delivery.
Step 5: Pay for Postage
Certified mail rates depend on weight, size, and additional services chosen. The base fee for it is around $4.35 (excluding postage). Adding a return receipt costs an additional $3.70 for electronic or $4.90 for a physical receipt.
Step 6: Get Your Receipt & Tracking Number
After payment, you will receive a receipt with a tracking number. Use this number to monitor the status of your certified mail online.
Step 7: Confirm Delivery
Once the recipient receives the mail, you will receive proof of delivery via email or a physical return receipt, depending on your selected options.
Certified Mail vs. Other Mailing Options
Feature | Certified Mail | Priority Mail | Registered Mail |
Tracking | Yes | Yes | Yes |
Signature Required | Optional | No | Yes |
Insurance | No | Yes | Yes |
Security Level | High | Medium | Very High |
Best for | Legal docs, contracts | General shipping | Valuables, sensitive documents |
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Conclusion
Certified mail is a reliable way to ensure the secure delivery of important documents. By following this step-by-step guide, you can confidently send certified mail with proof of delivery. If you need a digital alternative, try Plox for secure and instant document sharing!
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