We will add the DKIM record as a TXT record in DNS. Please refer to the following steps to add the DKIM record on the Windows server. 

If you are referring to create a DKIM record, you should first refer to the below articles.

(1) How to create a DKIM record in Smartermail?

(2) How to create a DKIM record in MailEnable?

Here is an example of a DKIM record:

If you have created the DKIM record in Smartermail, it should look like as below.

1. Log in to your windows server. Click on Start >> Windows Administrative Tools. 
   
   
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2. Click on DNS.
   
   
3. Inside the forward lookup zone, double click on the domain for which you want to set the DKIM record. 
   
   
4. Right-click on the blank space where all the DNS records are added and click on the Other New Records.
   
   
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5. From the drop-down, select Text (TXT) Record and click on the Create Record button. 
   
   
6. At first, Enter the record name. It should be like 8D8xxxxxxxx4BF6._domainKey, so your FQDN becomes 8D8xxxxxxxx4BF6._domainKey.yourdomain.com. Inside Text, enter the text record value. 
   
   
7. Once you add the record, click on the OK button and click on Done at Resource Record Type. 
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