userx@localhost
  router = rrr, transport = local
  host a.host.name           
userx@localhost verified
userx@localhost
  router = rrr, transport = local
  host a.host.name           
userx@localhost
  router = rrr, transport = local
  host a.host.name           
userx@smtp
  router = sss, transport = smtp
  host 127.0.0.1 [127.0.0.1]