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How to Handle Email Bounces and Suppressions in Klaviyo: Klaviyo Email Bounces Guide

Writer: Dispatch Strategy TeamDispatch Strategy Team

Introduction


Maintaining a healthy email list is crucial for optimizing email deliverability and preserving your sender reputation. Managing Klaviyo email bounces and maintaining a proper suppression list are critical components of effective email marketing. This guide will explain how to handle email bounces and suppressions in Klaviyo, share best practices for managing your suppression list, and provide actionable steps to reduce bounce rates.

How to Handle Email Bounces and Suppressions in Klaviyo: Klaviyo Email Bounces Guide
How to Handle Email Bounces and Suppressions in Klaviyo: Klaviyo Email Bounces Guide








How Do I Handle Email Bounces and Suppressions in Klaviyo?


To handle email bounces and suppressions in Klaviyo, you need to regularly monitor your email performance, identify bounced email addresses, and manage your suppression list effectively. Klaviyo provides built-in tools to help manage both Hard Bounces and Soft Bounces, ensuring your campaigns reach the intended audience without damaging your sender reputation.


Step-by-Step Guide: Managing Klaviyo Email Bounces and Suppressions


1. Log in to Your Klaviyo Account

2. Navigate to Email Deliverability Dashboard

  • Go to Analytics > Email Performance.

  • Monitor key metrics such as Bounce Rate, Open Rate, and Click-Through Rate (CTR).


3. Understand Types of Email Bounces

a. Hard Bounces

  • Occur when an email is permanently undeliverable.

  • Common causes:

    • Invalid Email Address: The address is misspelled or doesn't exist.

    • Blocked by Server: The recipient's server rejects the email.

    • Domain Does Not Exist: The domain part of the email is invalid.

b. Soft Bounces

  • Indicate temporary delivery issues.

  • Common causes:

    • Full Inbox: The recipient's inbox is full.

    • Server Issues: The recipient's email server is temporarily unavailable.

    • Message Size Limit: The email exceeds size limitations.


4. Locate Bounced Emails in Klaviyo

a. View Bounced Email Addresses

  • Go to Profiles > Suppressed Profiles.

  • Filter by Bounce Reason to identify the cause of suppression.

b. Export Bounced Email Data

  • Click Export to download a list of suppressed or bounced emails.

  • Use this data to analyze and improve future email campaigns.


5. Manage the Klaviyo Suppression List

a. Automatically Suppressed Emails

  • Klaviyo automatically suppresses:

    • Hard Bounces

    • Spam Complaints

    • Unsubscribes

b. Manually Suppress Emails

  • Go to Lists & Segments > Suppression List.

  • Click Add Emails to Suppression List and upload a CSV file or manually enter email addresses.

c. Remove from Suppression List (With Caution)

  • Only remove email addresses if you are certain the issue causing the bounce has been resolved.

  • Go to Suppressed Profiles, select the profile, and click Remove Suppression.


Best Practices for Managing Bounces and Suppressions in Klaviyo


1. Regularly Clean Your Email List

  • Use segmentation to filter out Inactive Subscribers who have not engaged with your emails in over 90 days.

  • Set up Sunset Flows to automatically handle unengaged profiles.


2. Use Double Opt-In

  • Implement Double Opt-In forms to verify email addresses before adding them to your list.

  • Go to Lists & Segments, select your list, and enable Double Opt-In under Settings.


3. Monitor Bounce Rates

  • A healthy Bounce Rate should be below 2%.

  • Investigate the cause of any spikes in bounce rates immediately.


4. Implement Re-Engagement Campaigns

  • Target subscribers who have not opened your emails in the last 90 days.

  • Offer incentives like Discounts or Exclusive Content to re-engage them.


Common Mistakes to Avoid When Managing Klaviyo Email Bounces


  • Ignoring Soft Bounces: If an email address soft bounces multiple times, consider adding it to the suppression list.


  • Not Monitoring Bounce Metrics: Regularly review your Deliverability Dashboard to spot trends.


  • Removing Suppressed Emails Without Caution: Always validate the email address before re-adding it to your active list.


Conclusion


Effectively managing Klaviyo email bounces and maintaining a clean suppression list are vital for sustaining high deliverability rates and a positive sender reputation. By implementing best practices such as using Double Opt-In, regularly cleaning your email list, and monitoring bounce rates, you can optimize your email marketing strategy and ensure your messages reach the intended audience.


📩 If your email program is underperforming and you’re unsure how to optimize your deliverability, let’s talk.


At Dispatch, we help brands maximize revenue from email & SMS without damaging subscriber engagement.


👉 Connect with Dispatch today to optimize your email marketing strategy.

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