Sendmail Server IP In RBL List 會造成 Sendmail Server 誤判

對方主機給的訊息:RBL matched Blocked - see http://cbl.abuseat.org/lookup.cgi?ip=210.68.43.7
Sendmail主機Log卻產生誤判為:dsn=5.1.1, stat=User unknown,
造成管理者判斷錯誤,無法發現自已主機被列入RBL Blocklist,無法即時處理。

對方主機 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 http://cbl.abuseat.org/lookup.cgi?ip=210.68.43.7

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

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