550 5.7.1 Can not speak 退信

xiaoke

5.7.1 Can not speak退信问题 rhel4.4+postfix对有些域名寄件出现退信.如下 Remote-MTA: dns; smtp.mei.co.jp Diagnostic-Code: smtp; 550 5.7.1 Can not speak with you [XX.XXX.XX.138], any comment [root@mailgw /]# telnet 133.183.100.20 25 Trying 133.183.100.20... Connected to smtp.mei.co.jp (133.183.100.20). Escape character is '^]'. 220 smtp.mei.co.jp ESMTP Sendmail ; Wed, 27 Feb 2008 17:48:52 +0900 (JST) helo XXX.com.cn 250 smtp.mei.co.jp Hello [XX.XXX.XX.138], pleased to meet you mail from : XXX@XXX.com.cn 550 5.7.1 Can not speak with you [XX.XX.XX.138], any comment mail from:XXX@XXX.com.cn 550 5.7.1 Can not speak with you [XX.XXX.XX.138], any comment

钉子

内容有点乱，看起来应该是不允许中继，应该是反垃圾邮件策略导致的。