# hcoop-change: Route mail for hosted domains

virtual_user:
  driver = accept
  transport = virtual_delivery
  # Look up the parameters for this email address, and store them in
  # $address_data for later use.  If no data exists for this address,
  # then "fail", which causes Exim to move on to the next router.
  # This allows us to access the contents of $address_data in the
  # virtual_delivery transport later on, without having to do multiple
  # accesses to exim.dat.
  address_data = ${tr{${lookup{$local_part@$domain} \
                              dbm{/etc/courier/exim.dat}{$value} fail }} \
                     {|}{ }}