To enable SPF on domain:
- Go to Mail Info > Mail Manager and choose domain in the Mail domains drop-down list.
- Turn ON SPF entry:
- On the page you will be taken to configure SPF preferences.
To enable SPF on domain alias:
- Go to Domain Settings > Domain Info and click the domain name.
- Click the Edit icon next to the domain alias
- Turn a button in the SPF entry to ON. You can't enable SPF on domain aliases without mail service or mail domain alias.
- On the page you will be take to configure SPF preferences.
Alternatively, you can enable SPF on all mail domain's aliases with mail service or mail domain alias, by clicking the Add icon below the SPF entry on your mail domain settings page.