Registered Email™

When Should You Use Certified Email Instead of Regular Email?

September 25, 2026 / in Blog / by Zafar Khan, RPost CEO

When Proof of Email Delivery, Content, and Timing Matters.

Most business emails, such as a quick project update, meeting follow-up, or routine question, don’t need special proof or evidence. Rather, they can usually be handled with regular email. But some messages carry more weight. For instance, a deadline may depend on when a notice was delivered, or a customer may later dispute what was sent. In such situations, simply having a copy in your Sent folder may not provide the email proof you actually need.

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.

Email Open Tracking vs Delivery Tracking: What is the Difference?

July 17, 2026 / in Blog / by Zafar Khan, RPost CEO

Understanding What Each Method Reveals About Delivery, Engagement, and Proof.

Are email open tracking and delivery tracking the same? Sending an email and knowing what happened next are two different things. Email open tracking can indicate that someone viewed or interacted with the message, while delivery tracking records whether the message reached the recipient and was accepted by the recipient’s email system.

Can Email Be Used as Legal Proof in Court?

July 01, 2026 / in Blog / by Zafar Khan, RPost CEO

Yes, Provided It Offers Verifiable Proof of Delivery, Content, Time, and Audit Trail.

Contrary to popular assumptions, email can be used as legal proof in court. But there is a catch: ordinary email records are often weaker as a show of proof. A sent-folder copy, screenshot, PDF printout, read receipt, or internal archive may help show what someone believes happened. However, the question of whether the email can be authenticated and tied to reliable proof of sending, delivery, content, attachments, and time remains.

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.