To allow Acyba / AcyMailing to send emails on your behalf, you will have to add them to your SPF record. The SPF mechanism used by AcyMailing will be provided to you via their spam test page located here:
The DKIM key for your domain will be automatically generated during the install process, and will be available for you on your AcyMailing configuration page.
For further information on configuring DKIM please click the button below.
Create a free OnDMARC account to test your configuration.