+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]