SPF
To authorize Optivo to send emails on your behalf you will have to add them to your record. The include mechanism used by Optivo is shown below.
include:spf.srv2.de
DKIM
To configure DKIM you will have to create two CNAME records in your DNS. Please click on the button below for instructions on the records that need to be created.
Create a free OnDMARC account to test your configuration.