Track Email Delivery

What is Certified Email and How Does it Work?

April 27, 2026 / in Blog / by Zafar Khan, RPost CEO

Registered Email Adds Legal Proof to Every Sent Message.

Is your regular email enough for matters in court, compliance, or a high-stakes transaction? Until you have to answer the key question: Can you actually prove what was sent, when, and to whom?
 

RPost Granted Three Patents on Most Fundamental Method of Tracking Email Delivery & Opening

July 24, 2012 / in Blog / by Zafar Khan, RPost CEO

RPost has been granted three additional patents (US Patent numbers 8,224,913; 8,209,389 and 8,161,104) which comprehensively cover systems and methods service providers use to track email opening, delivery or failure using server logs and web beacons – technology novel in 1999 when RPost first filed for the patents, but widely used today.