Enables you to append a field to the end of the From: field of
    mail messages you send. You can fill this field with your full
    name or any other information.
    The SET NOPERSONAL_NAME command clears any name you previously
    specified with the SET PERSONAL_NAME command.
    The SHOW PERSONAL_NAME command displays a user's personal name.
    Format
      SET PERSONAL_NAME  "text-string"
      SET NOPERSONAL_NAME
      SHOW PERSONAL_NAME
Additional Information:
explode
extract