OnDMARC

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.

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.

Setting up Authentication for Customer.io

<br><br>Create a free OnDMARC account to test your configuration.

Increase the deliverability of your customer.io emails by correctly configuring SPF and DKIM. After configuration test your results.

Customer.io SPF and DKIM set up

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