It's now really easy to initiate the setup process for SPF, DKIM and DMARC.
Once logged in to Brief Your Market, navigate to 'Verified Domains' from the Admin Tab:
If you have already added a domain, that will be displayed, along with its verification status:
To add a new domain to send from, click the Add Domain button, enter the domain you want to send from, and click verify:
If SPF, DKIM and DMARC are already set up, the domain will verify, but if not, you can enter the email address of your domain administrator, and the setup instructions will be sent to them:
The instructions are specific to your domain, but will look like this: