Understanding Certified Mail

Certified Mail is a USPS service that provides proof of mailing and delivery confirmation—commonly used for legal notices, compliance documents, and sensitive mail. Traditional Certified Mail is reliable, but it’s also manual, time-consuming, and expensive at scale. This guide breaks down how Certified Mail works, what it proves (and doesn’t), what it costs, and when businesses should switch to electronic proof and centralized tracking for faster, cleaner compliance.