Thank you wietse. I've built a DNS server, So the problem had been solved. However I was very appreciate ur reply and I tried your way, It worked too
You are such a nice guy, thank you again. 2009-10-16 zch.open 发件人: wietse 发送时间: 2009-10-15 21:53:34 收件人: zch.open 抄送: postfix users list 主题: Re: got problems when build postfix server on lan zch.open: > <[email protected]>: Host or domain name not found. Name service error > for name=debaindb2.zchdomain type=A: Host not found By default, Postfix uses DNS to find a destination. You can add support for non-DNS lookup with: /etc/postfix/main.cf: smtp_host_lookup = dns, files And add debaindb2.zchdomain to /etc/hosts. Wietse
<<14.gif>>
