Email tracking pixels

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?