Hi there,
So we have a campaign running on our website and we were testing in advance that everything is working. While the campaign was live for the first three hours everything was fine, and then I started to notice no new email addresses being added to our campaign list. It seems after these first hours the double opt-in was no longer being sent, and all other email addresses since then have been left as unconfirmed. Can someone help please! How can we fix this?
Best answer by zacfromson
Thanks for your question! If the double opt-in process in Klaviyo suddenly stopped working, here are some troubleshooting steps to resolve the issue:
1. Check List Settings
• Go to Lists & Segments and select the list where subscribers are being added.
• Click Settings and verify that Double Opt-In is enabled.
• If it’s disabled, re-enable it and save the changes.
2. Verify Signup Forms
• If you are using Klaviyo’s embedded or pop-up forms, ensure they are linked to the correct list.
• If using a third-party integration (e.g., Shopify, Typeform, Zapier), check if they are properly passing email addresses to Klaviyo.
3. Review Email Deliverability
• Navigate to Analytics > Email Deliverability to check if confirmation emails are being sent and opened.
• If confirmation emails are not being sent, check Flows > Double Opt-In Flow for any issues.
4. Check for Klaviyo Rate Limits
• If your campaign received a sudden spike in signups, Klaviyo may have rate-limited the double opt-in process.
• Contact Klaviyo Support if you suspect this is the issue.
5. Test with a New Email
• Manually add a test email to your form and check if the confirmation email is received.
• Try using a different domain to rule out email filtering issues.
6. Look for Recent Changes
• Did you recently edit your form, list, or flow settings?
• Reverting recent changes might help restore functionality.
7. Klaviyo System Status
• Check Klaviyo’s status page to see if there are any ongoing platform-wide issues affecting double opt-in.
8. Contact Klaviyo Support
• If none of the above steps resolve the issue, reaching out to Klaviyo Support with details of the problem will be the best course of action.
+17Hello
I recently completed a similar project where a campaign’s double opt-in stopped working after a few hours. Based on that experience, the issue could be related to your email provider's settings, automation delays, or a technical hiccup in the integration between your form and your email platform.
I’d be happy to help troubleshoot and resolve this for you. Let me know if you’d like me to take a closer look!
+3Thanks for your question! If the double opt-in process in Klaviyo suddenly stopped working, here are some troubleshooting steps to resolve the issue:
1. Check List Settings
• Go to Lists & Segments and select the list where subscribers are being added.
• Click Settings and verify that Double Opt-In is enabled.
• If it’s disabled, re-enable it and save the changes.
2. Verify Signup Forms
• If you are using Klaviyo’s embedded or pop-up forms, ensure they are linked to the correct list.
• If using a third-party integration (e.g., Shopify, Typeform, Zapier), check if they are properly passing email addresses to Klaviyo.
3. Review Email Deliverability
• Navigate to Analytics > Email Deliverability to check if confirmation emails are being sent and opened.
• If confirmation emails are not being sent, check Flows > Double Opt-In Flow for any issues.
4. Check for Klaviyo Rate Limits
• If your campaign received a sudden spike in signups, Klaviyo may have rate-limited the double opt-in process.
• Contact Klaviyo Support if you suspect this is the issue.
5. Test with a New Email
• Manually add a test email to your form and check if the confirmation email is received.
• Try using a different domain to rule out email filtering issues.
6. Look for Recent Changes
• Did you recently edit your form, list, or flow settings?
• Reverting recent changes might help restore functionality.
7. Klaviyo System Status
• Check Klaviyo’s status page to see if there are any ongoing platform-wide issues affecting double opt-in.
8. Contact Klaviyo Support
• If none of the above steps resolve the issue, reaching out to Klaviyo Support with details of the problem will be the best course of action.
+14Hi
Is double opt-in still not working for you? If so, I’d definitely be happy to help out with this, but first, we’d need to make sure everything is set up correctly.
Are you collecting emails using a Klaviyo sign-up form, or a third party form? Does this form submit to the list that you’re expecting?
Does your list have double opt-in enabled? You can check this by going to your list’s settings page, and then navigating to Consent > Opt-in process.
What happens when you try filling out the form, in an incognito browser, using an entirely different email? Does that email enter Klaviyo as subscribed or never subscribed? Or does it not become a Klaviyo profile at all?
Did you check your promotions and spam folder for the double opt-in emails? Usually, these emails come immediately, but it might be worth waiting several minutes, just in the rare instance of a delay.
Let me know what happens when you check these settings and try these steps, or if I can answer any additional questions!
-Byrne
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