<cfsavecontent variable="variables.emailString">
    <cfoutput>
        Some fancy html code , blinking text, barking dogs, mix it up, be creative it's your code!!
    </cfoutput>
</cfsavecontent>
<cfmail to="someGuy" from="someOtherGuy" subject="Some Fancy EMail" type="html">
    #variables.emailString#
</cfmail>