1999-03-02 09:44:33 U=CALLER F=<callout@x> temporarily rejected RCPT <x@y>: Could not complete sender verify callout
1999-03-02 09:44:33 10HmaZ-0005vi-00 U=CALLER F=<nosyntax@x> rejected after DATA
1999-03-02 09:44:33 10HmbA-0005vi-00 U=CALLER F=<> rejected after DATA: there is no valid sender in any header line
1999-03-02 09:44:33 U=CALLER F=<callout@x> temporarily rejected RCPT <x@y>: Could not complete sender verify callout
1999-03-02 09:44:33 10HmaZ-0005vi-00 U=CALLER F=<nosyntax@x> rejected after DATA
1999-03-02 09:44:33 10HmbA-0005vi-00 U=CALLER F=<> rejected after DATA: there is no valid sender in any header line