Part of Internet Message Format standards, email bounce codes, as old as emails themselves, are a set of numbers assigned to an undeliverable email message that indicates why the message wasn’t delivered. This is where an email bounce code comes in handy. So it’s essential to keep track of bounced emails and the reasons behind them. A high bounce rate could lead to the business’s emails being marked as spam, resulting in a reduced delivery rate and visibility for future marketing efforts. However, if, over time, the business expands and the email list grows to 10,000 potential customers, the same ratio of bounced emails would become a much larger problem.

Now you might ask, “What’s the big deal?”… And you’re right chances are two emails are not going to have much of an impact. From that list, one or two emails bounced.

Imagine a small business owner sending out a mass email to promote a new product to a list of 100 potential customers. There can be a variety of reasons why an email bounces, but more on this later. What is an email bounce?Īn email bounce occurs when an email service provider (ESP) tries to deliver an email to the recipient’s email server, but it’s returned without being accepted, resulting in an automated bounce message to the sender indicating a delivery error. In this blog post, we dive into the world of email bounces and cover all of these questions. What is a bounce, and what are the common reasons behind it? What measures can be taken when numerous emails are bouncing? In fact, email marketers deal with this all the time. Have you ever sent an email only to get an automated note saying it bounced back? If so, you’re not alone, just about everyone has experienced this.

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