Sendmail Server IP In RBL List会造成Sendmail Server误判

原文：http://oiotw.blogspot.com/2008/08/sendmail-server-ip-in-rbl-list.html

Posted On 2008年8月20日星期三at位于下午3:41 by Lani

对方主机给的讯息：RBL matched Blocked - see  
Sendmail主机Log却产生误判为：dsn=5.1.1, stat=User unknown， 
造成管理者判断错误，无法发现自已主机被列入RBL Blocklist，无法即时处理。 

对方主机Log 
2008-08-20 14:43:49 H=(mailserver) [210.68.43.7]:49842 I=[210.68.43.8]:25 F= rejected RCPT : RBL matched Blocked - see  

Sendmail Log 
Aug 18 14:43:49 mailserver sendmail[3463]: m7I6hnH2003461: to= , delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=134598, relay=domain.com.tw. [210.68.43.7], dsn=5.1.1, stat=User unknown 

Aug 18 17:05:06 mailserver sendmail[32762]: m7I9566c032758: to= , delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=124478, relay=domain.com.tw. [210.68.43.7], dsn=5.1.1, stat=User unknown