Knowledgebase

Setting up email authentication

Email authentication is the effort to equip messages of the email transport system with enough verifiable information so that recipients can recognize the nature of each incoming message automatically.

This tutorial will assume that you are already logged into your cPanel. If you are having problems doing that or don't know how, please view the tutorial named: How to log into cPanel.

On your cPanel main page scroll down to the section called mail and click on the email authentication link.

There are two systems in use:

  • Domain Keys: Allows for incoming mail to be checked against the server it was sent from to verify that the mail has not been modified.
  • SPF: Specifies which machines are authorized to send email from your domain(s). This means that only mail sent through this server will appear as valid mail from your domain(s) when the SPF records are checked.

To activate domain keys simply click the enable button and your action will be confirmed on the next page. Click go back to return to the previous page. You will now see that domain keys are enabled and DNS passed a qualifying check.

To activate and create an SPF simply click the enable button and your action will be confirmed on the next page showing your raw SPF record. Click go back to return to the previous page. You will now see that SPF Records are enabled and advanced settings are available. Under the advanced setting you can further refine A Records, Mx Records, add additional IP's and hosts.

You can now click the home link in the upper left corner and return to the main cPanel page or to exit cPanel use the logout link in the upper right corner. Remember, if you are using a public computer, ALWAYS logout of cPanel before closing.

For additional assistance, contact us by submitting a support ticket.

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