userx@black-1.test.ex router = lookuphost, transport = smtp host black-1.test.ex [1.2.3.4] userx@myhost.test.ex router = lookuphost, transport = smtp host myhost.test.ex [V4NET.10.10.11] userx@ten-1.test.ex router = lookuphost, transport = smtp host other2.test.ex [V4NET.12.3.1] host other2.test.ex [V4NET.12.3.2] userx@other1.test.ex router = lookuphost, transport = smtp host other1.test.ex [V4NET.12.4.5] userx@other99.test.ex cannot be resolved at this time: host non-exist.test.ex not found when translating other99.test.ex [V4NET.99.0.1] userx@other99.test.ex router = lookuphost, transport = smtp host non-exist.test.ex [unknown]