[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 -- ## List

[exim] 500 error.. not sure why?

Hello, I write a php script to connect to exim smtp server and send mails. it does work for exim 4.52. but after exim's upgraded to 4.53, a strange 500 error happened. Connecting to host address ... Connected to SMTP server . S 220-www..com ESMTP Exim 4.53 #0 Fri, 10 Feb 2006