Access the DNS Zone Editor

1. Login to your cPanel
2. In the Domains section, click on the Advanced DNS Zone Editor icon.

Create a SPF record

1. Go to Add a record (or edit your record if you already have one).
2. Name: enter the name of your domain or subdomain used in your sender e-mail address.
3. TTL: enter 14400
4. Type: select TXT
5. TXT Data: Enter your SPF record (e.g. v=spf1 a mx ~all)
6. Click Add Record to save your modifications