Caltex Australia's Employee Email Address Formats

Caltex Australia uses 3 email formats, with first_initial last (ex. jsmith@caltex.com.au)
being used 46% of the time.
first_initial lastjsmith@caltex.com.au46%
first '.' lastjohn.smith@caltex.com.au2%
other_templateother_template@caltex.com.au51%