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Set up Mandrill SPF and DKIM
Set up Mandrill SPF and DKIM

Information on how to configure SPF and DKIM for Mandrill in order to authenticate your emails. Links to external documentation included.

Ivan Kovachev avatar
Written by Ivan Kovachev
Updated over a week ago

Mandrill is a product created by Mailchimp ,and it is a service used to send transactional emails. In order to improve your email deliverability, Mandrill requires that every domain of yours is configured with SPF and DKIM.


In order to allow Mandrill to send emails on your domain’s behalf you will have to include them as part of your SPF record. 

The SPF mechanism used by Mandrill is the following:

Mandrill use their own domain as part of the Return-Path address (used by SPF) and hence SPF alignment would not occur. However, this can be modified as per the article below.

For more information please click on the button below.


To setup DKIM for Mandrill, you will need to add a new TXT record in your DNS.

The name for the TXT record should be:
Replace “” above with the domain you are setting up.

The value of the DNS record should be the following:

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;

After you have added the required DNS records, you can use the Test the DNS Settings button in your control panel to make sure that everything that you have added has a green checkmark. Please allow 24-48 hrs for the DNS changes to take affect. 

For more information on how to setup DKIM please click on the button below.

Create a free OnDMARC account to test your configuration.

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