De Nieuwe Zaak's Employee Email Address Formats

De Nieuwe Zaak uses 4 email formats, with first (ex. john@denieuwezaak.nl)
being used 76% of the time.
lastsmith@denieuwezaak.nl6%
first last_initialjohns@denieuwezaak.nl6%
first '.' lastjohn.smith@denieuwezaak.nl12%
firstjohn@denieuwezaak.nl76%