[exim] Re: 500 error.. not sure why?

Hi, I checked the log and find the following lines: 2006-02-10 13:41:54 no
IP address found for host (HIDE) (during SMTP connection from (
yourpptsys.biz) [(HIDE)]) 2006-02-10 13:41:54 SMTP connection from (
yourpptsys.biz) [(HIDE)] lost while reading message data (header) yours,
Xiaoyu