- In cPanel, open Email > Email Deliverability.
- If your domain shows a problem, click Manage and apply the suggested SPF and DKIM records.
If your DNS is not with us, copy those records to your DNS provider.
Also check
- Send from an address on your own domain, not a free Gmail or Yahoo address.
- Do not send bulk mail to people who did not ask for it. It hurts every customer on the server and breaks our Acceptable Use Policy.
- A hacked website can send spam in your name. Run a scan in Imunify360.