Calpine's Employee Email Address Formats

Calpine uses 6 email formats, with first '.' last (ex. john.smith@calpine.com)
being used 34% of the time.
first_initial lastjsmith@calpine.com28%
last first_initialsmithj@calpine.com11%
first lastjohnsmith@calpine.com1%
first last_initialjohns@calpine.com7%
first '.' lastjohn.smith@calpine.com34%
other_templateother_template@calpine.com19%