Access the Server Manager
1. Sign in to your Direct-Admin account.
2. Click on the DNS Administration link to access your Server manager.
3. Click on your domain name to edit it.
Create an SPF record
1. Scroll down to the Add Domains Records section.
2. In the TXT line, enter your domain name or your sub-domain and your SPF record.
Do not forget to add a dot (.) at the end of your domain name.
3. Click the Add button.
