SPF
To authorize emBlue to send emails on your behalf you will have to include it in your SPF record. The SPF record mechanism used by emBlue is shown below.
include:_spf.embluemail.com
DKIM
emBlue supports DKIM signing for your custom domain. For more information on SPF and DKIM please click on the button below.
Create a free OnDMARC account to test your configuration.