CarMax's Employee Email Address Formats

CarMax uses 4 email formats, with first '.' last (ex. john.smith@carmax.com)
being used 2% of the time.
first_initial lastjsmith@carmax.com1%
first lastjohnsmith@carmax.com1%
first '.' lastjohn.smith@carmax.com2%
other_templateother_template@carmax.com96%