2 router = r1, transport = t1
3 yyy@notokdomain is undeliverable: Unrouteable address
4 syntax error: malformed address: /mod may not follow zzz@dom
5 yes@exists.virt.test.ex verified
6 no@exists.virt.test.ex failed to verify: Unrouteable address
7 xx@notexists.virt.test.ex failed to verify: Unrouteable address