primary_hostname = %HOSTNAME%
qualify_domain = %LOCALMAILNAME%

acl_smtp_rcpt = acl_check_rcpt

begin routers
smarthost_route:
  driver = manualroute
  domains = *
  transport = smarthost_smtp
  route_list = * %SMARTHOST%

begin transports
smarthost_smtp:
  driver = smtp
  port = 25
  multi_domain

begin acl
acl_check_rcpt:
  accept
    hosts = %RELAYNETS%
  deny
    message = "Relaying denied"

begin rewrite
*@* ${1}@${qualify_domain} Ffrs