5166 sendmail package should be replaceable

*** 21,31 ****
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  
  DEFAULT_FILE="/etc/default/sendmail"
! SENDMAIL="/usr/lib/sendmail"
  PATH="/usr/bin:/usr/sbin:/usr/ccs/bin"
  export PATH
  
  check_queue_interval_syntax()
  {
--- 21,31 ----
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  
  DEFAULT_FILE="/etc/default/sendmail"
! SENDMAIL="/usr/lib/smtp/sendmail/sendmail"
  PATH="/usr/bin:/usr/sbin:/usr/ccs/bin"
  export PATH
  
  check_queue_interval_syntax()
  {