How to create your Domain Keys Identified Mail (DKIM) Record

What is DKIM?

Domain Keys Identified Mail (DKIM) is an email authentication method designed to detect email spoofing. It allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain.

What happens if I do not have a DKIM Record?

As we want to ensure your campaigns are not sent to SPAM, we handle emails differently if you are sending from a public domain email address. For example, if your email address is , we will amend this slightly to

What happens if someone hits reply to an email sent from

The emails will still come directly to your email address they were sent from as normal.

Do I need custom domain authentication?

  • Is your E-Marketing 'From' email address associated with your email domain, rather than a public webmail address like or
  • Are you or your IT team able to access your domain's cPanel or Zone editor?
  • Do your delivered campaigns show in the sender details section?

If you answered yes to these questions, then setting up a DKIM record would be recommended.  

How to get started creating your DKIM Record and setting Custom Domain Authentication

N.B. You need to make a few changes in your DNS records, you may want to ask your website manager or domain registrar for assistance.

First Step in your Act! Essentials Database:

  • Click Profile
  • Under the Emarketing Heading click Sending Domain
  • Copy the long Public Key provided.

 You now edit your DNS Records

 For further information on how to edit your DNS records you would need to check with your hosting partner. Some hosting partners offer knowledgebase articles on how to do this:-

Amazon Web Services




Lastly, if you have entered all of the details correctly and it is not authenticating right away. You have to wait for the changes to propagate. This is usually within 48 hours. However after that time period you may wish to speak with your domain provider for further assistance. 

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