Reflexion KBA's : RTC Encryption
OVERVIEW Log into your GoDaddy DNS control panel.  Scroll down to MX Records. Add the entries as seen below:
This article will: provide basic information on the Reflexion RTCEncrypt product. This article will not: cover configuration Reflexion offers a paid stand-alone service called "RTCEncrypt" to all clients.  RTCEncrypt is a securemail processing system th...
Reflexion: One-Minute Video - Encryption
The attached documents cover how email encryption works and how it would be enabled (Configured)