userx@alias-eximtesthost.test.ex <-- userx@alias-eximtesthost router = dns, transport = smtp host eximtesthost.test.ex [ip4.ip4.ip4.ip4] userx@alias-eximtesthost.test.ex router = dns, transport = smtp host eximtesthost.test.ex [ip4.ip4.ip4.ip4]