1999-03-02 09:44:33 H=[V4NET.0.0.0] U=CALLER F=<userx@test.ex> rejected RCPT <b@test.ex>: Unrouteable address 1999-03-02 09:44:33 H=[V4NET.0.0.0] U=CALLER F=<userx@test.ex> rejected RCPT <f@test.ex>: bad user 1999-03-02 09:44:33 H=[V4NET.0.0.0] U=CALLER F=<userx@test.ex> rejected RCPT <x@test.ex>: Unrouteable address 1999-03-02 09:44:33 H=[V4NET.0.0.0] U=CALLER F=<userx@test.ex> rejected RCPT <"smartuser.b@test.ex"@test.ex>: Unrouteable address