[CentOS] CentOS 7 Repeating Update Messages

Wed Jun 10 16:07:11 UTC 2015
Kirk Bocek <t004 at kbocek.com>

I've install yum-cron on a new CentOS 7 host and after a recent update I 
am now getting daily repeating emails about that update instead of the 
single notification I was expecting. Does anyone know what's going on?