If you are using a custom domain with Mailfence you will have to configure SPF and DKIM in order to protect your domain from spoofing and phishing.
To authorize Mailfence to send emails on your behalf you will have to add them to your SPF record. The SPF include mechanism used by Mailfence is show below.
To enable DKIM you will have email Mailfence with the necessary information and they will set up everything for you.
For more information on configuring SPF and DKIM with Mailfence please click on the button below.
Create a free OnDMARC account to test your configuration.