dns_verify:
  driver = dnslookup
  domains = ! +local_domains
  transport = remote_smtp
  verify_only
  no_more

send_via_ses:
  driver = manualroute
  domains = ! +local_domains
  transport = ses_smtp
  route_list = "* email-smtp.eu-west-1.amazonaws.cdom::587 byname"
  host_find_failed = defer
  no_more
  no_verify