EDF Luminus's Employee Email Address Formats

EDF Luminus uses 3 email formats, with first '.' last (ex. john.smith@edfluminus.be)
being used 85% of the time.
first '.' lastjohn.smith@edfluminus.be85%
other_templateother_template@edfluminus.be14%
firstjohn@edfluminus.be1%