Proof of email delivery

What Counts as Proof an Email Was Sent, Delivered, Opened, and Read?

September 04, 2026 / in Blog / by Zafar Khan, RPost CEO

Proof an Email Was Sent vs. Proof It Was Delivered.

When an important email becomes part of a dispute, regularly used phrases like “I sent it” or “I received it” can mean very different things. A sent folder may show that a sender clicked Send, an email delivery receipt may indicate that a mail system accepted a message, email open tracking may record an interaction with the message, and an email read receipt may suggest that a recipient’s email client reported it as opened.

How to Prove Email Delivery & Replies: Solving the ‘I Didn't Get the Email’ Excuse

February 25, 2025 / in Blog / by Zafar Khan, RPost CEO

What May Seem Like a DOGE Dodge -- “I Didn’t Get the Email”—May Be a Legit Technical Issue.

Armand here, RPost’s product evangelist armadillo. Since I am apolitical, I thought I would opine on only the technology that DOGE appears to be using via the US Office of Personnel Management (OPM) to send notices to Federal employees across various departments, agencies and entities, and common misconceptions related to email delivery.

Can You Serve Court Papers by Email?

April 11, 2022 / in Blog / by Zafar Khan, RPost CEO

The $100 million “Hermès” Registered Email™ Message (& CLE Webinar That Tells More) What a deal! My favorite functional yachting sportswear at 70% off! Or so I thought. Nearly every successful product brand is facing a strange new competitor — their own “fake” self. Let me explain how this plays out.

How to Send a Legal Notification through Email Acceptable in Courts

August 28, 2020 / in Blog / by Zafar Khan, RPost CEO

A Messi Situation: $800 Million Fax Misses Deadline, Should Have Used Email E-Delivery Proof Soccer/Futbol superstar, Lionel Messi, longed for a transfer after a humiliating Champions League knock out loss to Bayern Munich. Where to go from here? Paris? Manchester? Luckily, he built in a back-door exit clause in his contract where, if he notified […]

Advanced Email Security, Requiring Smarter Email Delivery Systems for Important Email

April 22, 2019 / in Blog / by Zafar Khan, RPost CEO

Not All Email Tracking is Created Equal If you are sending a zillion newsletter or marketing emails, sure, email marketing platforms make it easy to manage your email list; and many do provide some basic tracking information.