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Subscribers don't receive a double opt confirmation mail

  • September 29, 2025
  • 3 replies
  • 60 views

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I created embed sign up forms for my website. When customers fill their e-mail adres and subscribe, they are not immediately added to the list that I selected in the sign up form. I do see that their profile is being added to “Audience → Profiles”. Double opt in is mandatory in the countries that my store sells in.

After doing some research I found out that customers are only added to a list when they actually confirm their email subscription, but this is also not possible, because the customer does not receive a mail to verify.

 

I don’t understand how I can fix this so the subscriber actually receives a email verify e-mail. All help is appreciated :)

Thanks in advance.

Best answer by Byrne C

Hi ​@cpc39439,

Our team is looking into this, and will get back to you via email! Definitely want to help you get this solved as soon as possible.

3 replies

Byrne C
Community Manager
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  • Community Manager
  • Answer
  • September 30, 2025

Hi ​@cpc39439,

Our team is looking into this, and will get back to you via email! Definitely want to help you get this solved as soon as possible.


  • Contributor I
  • January 8, 2026

Hello, 

I have the same problem...


Byrne C
Community Manager
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  • Community Manager
  • January 23, 2026

Hi ​@Reoffice,

You’re subscribing to a list that’s double opt-in, but never receiving the confirmation emails, correct? This issue is sometimes caused by Branded Sending Domain and sender email/DMARC misalignment. Would you mind checking that:

  • The domain of your default sender email address (the website after the @) on this page matches the domain of your Branded Sending Domain.
  • You have a valid DMARC policy in your DNS records. If your DMARC policy is very restrictive, and set to p=reject, you might want to change it to p=none to allow more emails to be accepted.

After you confirm both of these things, can you test again? Let me know how that works!