Custom DKIM Selector or Key

Issue

You want to set up a DKIM key on one of your domains or subdomains, but another service has a DKIM key already set up on the selector/domain combo.

 

 


Solution

There are two approaches that can be taken here:

The first is to get copies of the public and private key that are in use by the other service and provide that to our Support team. We will partner with our Deliverability team to work to process the request to have these keys copied into Marketo, so that both services use the same key.
 

The second option is to have a custom DKIM selector implemented. For example, there is already a DKIM key set up on m1._domainkey.unicorn.com. We can set up a key for m2._domainkey.unicorn.com or another custom value in place of m1. Let Support know what value you'd like to use for your custom selector and we will partner with our Deliverability team to implement the request. Afterwards, you'll be able to set up DKIM  as detailed in documentation: https://docs.marketo.com/display/public/DOCS/Set+up+a+Custom+DKIM+Signature

Once the request has been submitted, please allow 3-5 business days for Marketo to process the request. Marketo's Support team will contact you when the request has been completed.


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