CRH's Employee Email Address Formats

CRH uses 4 email formats, with first_initial last (ex. jsmith@crh.com)
being used 67% of the time.
first_initial lastjsmith@crh.com67%
first lastjohnsmith@crh.com1%
first '.' lastjohn.smith@crh.com23%
other_templateother_template@crh.com8%