### router/400_exim4-config_system_aliases
#################################

# This router handles aliasing using a traditional /etc/aliases file, but for
# local hosts only. Virtual domains must take own measures to ensure that the
# postmaster address works.

system_aliases:
  debug_print = "R: system_aliases for $local_part@$domain"
  driver = redirect
  domains = +real_domains
  data = ${lookup{$local_part}lsearch{/etc/aliases}}