Registered Mail vs Certified Mail
Use Certified Mail® when you need a clear delivery record for important documents. Use Registered Mail when you need maximum security and chain-of-custody handling for valuable items.
Certified Mail
Proof and tracking for important letters.
Designed for mailing and delivery records for important documents
Tracking + delivery record (signature on delivery)
Commonly used for disputes, notices, and compliance letters
Add return receipt when you need a signature copy
Registered Mail
Security and controlled handling.
Designed for maximum security and controlled handling
Best for valuable items and strict chain-of-custody needs
Often used for high-value documents or items requiring extra security
Security-focused handling can add complexity to delivery
Common questions
Related guides
Certified Mail
Understand costs, tracking, and record options, then send Certified Mail online.
Send Certified Mail Online
Upload a PDF and we print, prepare, and hand it to USPS with tracking and return receipt records.
USPS Certified Mail Cost
See current USPS postage, Certified Mail fees, return receipt costs, and online service tradeoffs.
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