1. What is DKIM signing?
DKIM (Domain Keys Identified Mail) is an email verification method which can be added with encrypted signatures in the email’s header.
To put it in a simple vivid way, DKIM signing is like signing a letter with invisible ink – showing that you are the real sender.
2. What does DKIM signing do?
When email servers receive a DKIM signed emails, DKIM would authenticate that the emails are indeed sent from the original domain’s owner, and not from fraudulent imposters.
3. What are the benefits of setting up DKIM signature?
- Increase deliverability of your sent emails
- Avoid phishing attacks and email spoofing
- Prevent your sent emails from being marked as spam
- Safeguard brand reputation and customers relationships
- Without a DKIM signature, Microsoft Outlook is more likely to add emails to the Junk folder
These are especially important because DKIM provides an encryption key and a digital signature, which ensure that the emails haven’t been falsified. DKIM helps organisations and businesses improve their email deliverability and send secure emails, it will eventually help them generate more revenue and protect themselves from cyberattacks.
4. How to setup for a custom DKIM?
4.1. Preparing the following information for ClickDimensions
4.1.1. CRM Organisation Name
Go to Dynamics 365 > Go to ClickDimensions > Click on Settings and Support (Change area) .
4. 2. An Email Send’s URL
- Please confirm that you have least one Sent email from this account in the past three months
How to get the Email Send’s URL?
Messaging (change area) > Open the Sent emails record > click Email Editor > right click on the editor blank area > click “view frame source” > copy the URL
4.2.1. The sending domain/from address domain that you are using to send from
e.g CRM Dynamics Ltd is using @crm-dynamics.co.uk
4.2.2. Prepare any other Sending Domains that you are using or planning to use
In our case, N/A, same as above
4.2.3. Prepare the name and email address of the person who is responsible for your company DNS updates to the Sending Domain(s)
In our case, N/A, same as the ticket requestor
4.2.4. Confirm that you have read ClickDimensions’s DKIM Signing article
4.2.5. Provide the sub-domain that you use for this custom DKIM setup
(a) Come up with a DKIM related sub-domain with the sending domain(s)
subdomain.your-sending-domain.com
For example: dkim.crm-dynamics.co.uk ( or, you could have other different custom subdomains like
clickd-dkim.crm-dynamics.co.uk / dkim.crm-dynamics.co.uk / dk.crm-dynamics.co.uk etc. )
(b) Go to your DNS zone to create the DKIM related sub-domain
5. Submit a support ticket
Go to ClickDimensions Support Center > Open a ticket > Fill out the form and provide the preparation materials from the last session
6. Follow-up the ticket
7. Update your DNS records
- Please be cautious when updating DNS records, it is recommended that this task ought to be handled by an experienced IT expert.
After updating the DNS records
Go to the DKIM ticket > notify ClickDimensions that the DNS updates are completed & ask them double check for you
The verification process might take some time, it is suggested that you might contact them once in a while for an update.
7.1. Testing the setup
Once you recxeive the updates, please follow the testing process and remember to follow-up their replies.
When you have done it, update them with a Email Send link
7.2. Custom DKIM setup successfully
When you receive this message, congratulations! You have successfully set up your DKIM signature.
When you receive this message, congratulations! You have successfully set up your DKIM signature.
