1999-03-02 09:44:33 U=CALLER sender verify fail for <x@y>: Unrouteable address
1999-03-02 09:44:33 U=CALLER F=<x@y> rejected RCPT <userx@test.ex>: Sender verify failed
1999-03-02 09:44:33 U=CALLER F=<x@y> rejected RCPT <x@y>: Sender verify failed
1999-03-02 09:44:33 U=CALLER F=<x@y> rejected RCPT <x@ten-1.test.ex>: Sender verify failed
1999-03-02 09:44:33 U=CALLER F=<userx@test.ex> rejected RCPT <x@y>: Unrouteable address