Maintaining a healthy bounce rate is crucial for the success of your campaigns. A high bounce rate can negatively impact your sender reputation, leading to lower email deliverability and reduced engagement. To help marketers maintain optimal email performance, Smartlead offers a feature called High Bounce Rate Auto Protection.
Understanding High Bounce Rate Auto Protection
If enabled, this feature automatically pauses your email campaign when it reaches a predefined bounce rate.
For example, if you have defined the threshold to be 5, Smartlead’s auto protection feature will pause the campaign when the bounce rate hits 5%, allowing you to investigate and resolve any issues before continuing.
Why is Bounce Rate Important?
A bounce rate represents the percentage of emails that fail to be delivered to recipients. There are two types of bounces:
Hard Bounces: Permanent failures due to invalid email addresses, domain issues, or recipient server rejections.
Soft Bounces: Temporary failures due to recipient inbox issues, server problems, or email size restrictions.
A high bounce rate can lead to blacklisting, poor email deliverability, and a damaged sender reputation. Auto protection helps mitigate these risks.
How to Enable High Bounce Rate Auto Protection in Smartlead
When you are creating a new campaign, you will get the option to set up campaign settings in the SETUP stage. Simply scroll through the options, and you will find the High Bounce Rate Auto Protection setting. Enable it and specify a threshold value.

This value determines when your campaign will be paused. For example, if you set it to 3, the campaign will automatically stop if the bounce rate reaches 3%. This feature ensures better email deliverability and prevents damage to your sender reputation.
If you don't know how to create a campaign in Smartlead, please visit this article.
Benefits of Using High Bounce Rate Auto Protection
Protects Sender Reputation: Prevents excessive bounces that could lead to blacklisting.
Improves Deliverability: Ensures emails reach the intended inboxes.
Saves Resources: Avoids wasting efforts on campaigns that might not be effective due to high bounces.
Provides Real-Time Control: Allows marketers to take corrective actions before a campaign causes damage.