Email Read Receipt

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.