edX's Employee Email Address Formats

edX uses 7 email formats, with first (ex. john@edx.org)
being used 41% of the time.
first_initial lastjsmith@edx.org33%
lastsmith@edx.org7%
first lastjohnsmith@edx.org1%
first last_initialjohns@edx.org3%
first '.' lastjohn.smith@edx.org3%
other_templateother_template@edx.org12%
firstjohn@edx.org41%