1999-03-02 09:44:33 U=CALLER sender verify fail for : response to "MAIL FROM:<>" from 127.0.0.1 [127.0.0.1] was: 550 I'm misconfigured 1999-03-02 09:44:33 U=CALLER rejected MAIL : Sender verify failed 1999-03-02 09:44:33 U=CALLER sender verify fail for 1999-03-02 09:44:33 U=CALLER rejected MAIL : Sender verify failed