SPF

To authorize Customer.io to send emails on your behalf you will have to add it to your SPF record. The SPF record mechanism used by Customer.io is shown below.

include:customeriomail.com

DKIM

Customer.io also support DKIM signing for your custom domain. For more information on the SPF and DKIM set up please click on the button below.



Create a free OnDMARC account to test your configuration.

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