Datacom's Employee Email Address Formats

Datacom uses 6 email formats, with first last_initial (ex. johns@datacom.co.nz)
being used 45% of the time.
last first_initialsmithj@datacom.co.nz1%
first lastjohnsmith@datacom.co.nz1%
first last_initialjohns@datacom.co.nz45%
first '.' lastjohn.smith@datacom.co.nz33%
other_templateother_template@datacom.co.nz20%
firstjohn@datacom.co.nz1%