SPF
To allow Rebel to send emails on your behalf, you will have to add them to your SPF record. The SPF mechanism used by Rebel is shown below.
mx ip4:54.236.124.210 ip4:54.208.1.230
For more information please click the button below.
DKIM
For information on configuring DKIM please contact Rebel support.
Create a free OnDMARC account to test your configuration.