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Customise your DKIM signature

In this article, we will see how to customize your DKIM signature with Sendinblue. You can customize your senders' DKIM signature with your domain name, whether your campaigns are sent through Sendinblue's shared IP addresses or dedicated IP addresses. 

There are two ways to access the Domains settings:

  1. Go to Campaigns > Settings
  2. Click on Configure in the Your Senders box.
  3. Click on Domain
  4. Select Add a new domain



You can also:

  1. Click on your company name and
  2. Select Senders & IP
  3. Click on Domain
  4. Select Add a new domain



After clicking on Add a new Domain, the sender editing window will pop up and by default, your emails are signed by

  • Sendinblue or
  • the domain name associated with your dedicated IP address.

Customize your DKIM signature

  1. Check the box: I would like to use this domain name to sign my emails.dkim-4.png
  2. Now enter the domain name you wish to use to sign your emails (in the example below we have entered the subdomain
  3. When you click on the save button, a pop-up will appear with the DNS entries to be added to your domain host. Some common domain hosts include OVH, Amen, Aruba, GoDaddy, etc.
    Here are the help articles on how to add TXT records on the following domain hosts:
  4. Once the configuration is complete, a green check will appear next to the DKIM, SPF, and Verify Code keys (and possibly DMARC).DKIM_EN_5-1024x570.png
  5. Click on DONE.
  6. Finally, don't forget to update your senders. This can be done by clicking Manage > Edit > Save on any sender with the authenticated domain

From now on the emails sent by this sender will be signed by your own domain name! 🚀

🤔 Have a question?

If you have a question, feel free to contact our support team by creating a ticket from your account. If you don't have an account yet, you can contact us here.