Postmark !new! -

An EPM binds a digital file, email, or transaction to a trusted time source using hashing and public-key cryptography. This process creates an immutable audit trail that can prove a document has not been altered or tampered with since the timestamp occurred. This digital evolution ensures that the core security function of Henry Bishop's 1661 invention remains intact in our paperless future.

Landlords and tenants use postmarked certified mail to prove notices were sent within legal windows. postmark

: Create a Sandbox Server to test your integration and webhooks without sending real emails to users. An EPM binds a digital file, email, or

Valuable for verifying the existence of short-lived historic post offices. Landlords and tenants use postmarked certified mail to

A postmark, also known as a datestamp, is a marking on a piece of mail indicating the date and time it was received by a postal service. Beyond its functional role, the postmark has a rich history and continues to hold a special place in the world of philately.

: Postmarks are now applied at distant sorting facilities, often 3 to 5 days after mailing .