Setting up proper DKIM and SPF DNS records play an essential role to help reduce incoming Spam as well as to prevent malicious from spoofing your email addresses.
If you login to your cPanel -> Email Deliverability (under email) you can easily make sure your fully authenticated.
DKIM is a means of verifying incoming email. It ensures that incoming messages are unmodified and are from the sender from whom they claim to be. This feature works to prevent incoming spam messages.
The SPF system allows you to specify servers and IP addresses that are authorized to send mail from your domain(s). This feature works to prevent outgoing spam messages.
You want to make sure both are enabled (soon we will be enabling these on all new accounts by default):
Once you enable these, you just have to make sure you add your server’s host name (i.e. mark.uswebhost.com) as well as your dedicated IP (and/or shared IP).
How To Increase Your Email Deliverability In 10 Minutes
To show you how quick and easy this is, I went ahead and recorded the following tutorial and put it on our Official NameHero YouTube Channel: