email_body: This is the Postfix program at host exseamx02.concureworkplace.com.
  I'm sorry to have to inform you that the message returned below could not be delivered to one or more destinations.
  For further assistance, please contact <postmaster@concureworkplace.com>  If you do so, please include this problem report.
  You can delete your own text from the message returned below.
  The Postfix program  <enron_update@concureworkplace.com>: unknown user: "enron_update"
  
subject_line: Undelivered Mail Returned to Sender
  