1999-03-02 09:44:33 rejected HELO from CALLER: syntactically invalid argument(s): (no argument given) 1999-03-02 09:44:33 rejected HELO from CALLER: syntactically invalid argument(s): (no argument given) 1999-03-02 09:44:33 rejected HELO from CALLER: syntactically invalid argument(s): (no argument given) 1999-03-02 09:44:33 rejected HELO from CALLER: syntactically invalid argument(s): (no argument given) 1999-03-02 09:44:33 SMTP call from CALLER dropped: too many syntax or protocol errors (last command was "helo") 1999-03-02 09:44:33 SMTP call from CALLER dropped: too many syntax or protocol errors (last command was "mail from:<>")