Email Delivery Tracking

How Email Open Tracking Works and Its Limitations

October 26, 2026 / in Blog / by Zafar Khan, RPost CEO

Why Engagement Metrics Alone Cannot Establish a Reliable Record of Business Communication.

Every day, businesses send important emails to customers, partners, employees, and suppliers. Some contain proposals, while others carry contracts, payment instructions, legal notices, or time-sensitive information. Once an email is sent, people ask a familiar question: Did the recipient actually open it?

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.