Email Marketing 
Email Deliverability Fixes Part 2: Domain Keys(0)
February 16, 2008
In Part 2, we will learn how to isntall DomainKeys, similar to SPF records, which authenticates that an email was sent from an authorized sender. Luckily they are easy to set up in your cPanel!
System requirements
1. cPanel/WHM v11.x with the latest build
2. Your Mail server must be using Maildir format and NOT Mbox.
Email Deliverability Fixes Part 1:SPF
If you, like me, suffer(ed) from a lot of soft-bounced emails because your server was misconfigured, then this guide is perfect for you! If you run a dedicated server with WHM/Cpanel and cannot get mass mails to deliver, try this guide.
In part one you will learn how to install SPF to all of your domains, [...]