Dentsu Aegis Network's Employee Email Address Formats

Dentsu Aegis Network uses 2 email formats, with first '.' last (ex. john.smith@dentsuaegisnetwork.com)
being used 91% of the time.
first last_initialjohns@dentsuaegisnetwork.com9%
first '.' lastjohn.smith@dentsuaegisnetwork.com91%