有部分邮件无法发送出去直接就提示永久性投递失败？

caidr

对方发的邮件可以收到，但是一回复就提示永久性投递失败，这是怎么回事呢？怎么可以解决？
附上该邮件的发送日志：

Wed 2010-02-03 15:44:11: Session 2643; child 1
Wed 2010-02-03 15:44:02: Parsing message <e:\emailsv\mdaemon\queues\remote\pd35000012646.msg>
Wed 2010-02-03 15:44:02: * From: vicky@sky21.com.hk
Wed 2010-02-03 15:44:02: * To: gen@perelect.com
Wed 2010-02-03 15:44:02: * Subject: Fw: 1=166=Quotation
Wed 2010-02-03 15:44:02: * Size (bytes): 156488
Wed 2010-02-03 15:44:02: * Message-ID: <028201caa4a4$88d80250$6700a8c0@Ashley>
Wed 2010-02-03 15:44:02: Attempting SMTP connection to [perelect.com]
Wed 2010-02-03 15:44:02: Resolving MX records for [perelect.com] (DNS Server: 58.60.188.178)...
Wed 2010-02-03 15:44:02: * P=010 S=004 D=perelect.com TTL=(6) MX=[perelect.com.inbound15.mxlogic.net] {208.65.144.13}
Wed 2010-02-03 15:44:02: * P=010 S=008 D=perelect.com TTL=(6) MX=[perelect.com.inbound15.mxlogic.net] {208.65.144.12} multi-homed
Wed 2010-02-03 15:44:02: * P=010 S=009 D=perelect.com TTL=(6) MX=[perelect.com.inbound15.mxlogic.net] {208.65.145.13} multi-homed
Wed 2010-02-03 15:44:02: * P=010 S=010 D=perelect.com TTL=(6) MX=[perelect.com.inbound15.mxlogic.net] {208.65.145.12} multi-homed
Wed 2010-02-03 15:44:02: * P=020 S=003 D=perelect.com TTL=(6) MX=[perelect.com.inbound15.mxlogicmx.net] {208.65.144.13}
Wed 2010-02-03 15:44:02: * P=020 S=006 D=perelect.com TTL=(6) MX=[perelect.com.inbound15.mxlogicmx.net] {208.65.144.12} multi-homed
Wed 2010-02-03 15:44:02: * P=020 S=007 D=perelect.com TTL=(6) MX=[perelect.com.inbound15.mxlogicmx.net] {208.65.145.13} multi-homed
Wed 2010-02-03 15:44:02: * P=030 S=001 D=perelect.com TTL=(6) MX=[perelect.com.inbound25.mxlogic.net] {208.65.144.11}
Wed 2010-02-03 15:44:02: * P=040 S=005 D=perelect.com TTL=(6) MX=[perelect.com.inbound25.mxlogicmx.net] {208.65.144.11}
Wed 2010-02-03 15:44:02: * P=050 S=002 D=perelect.com TTL=(6) MX=[perelect.com.inbound35.mxlogic.net] {208.65.144.11}
Wed 2010-02-03 15:44:02: * P=060 S=000 D=perelect.com TTL=(6) MX=[perelect.com.inbound35.mxlogicmx.net] {208.65.144.11}
Wed 2010-02-03 15:44:02: Attempting SMTP connection to [208.65.144.13:25]
Wed 2010-02-03 15:44:02: Waiting for socket connection...
Wed 2010-02-03 15:44:02: * Connection established (211.154.131.233:1965 -> 208.65.144.13:25)
Wed 2010-02-03 15:44:02: Waiting for protocol to start...
Wed 2010-02-03 15:44:02: <-- 220 p02c11m062.mxlogic.net ESMTP mxl_mta-6.5.0-0 [ddf95b90.148800.00-040]; Wed, 03 Feb 2010 00:43:25 -0700 (MST); NO UCE, INBOUND
Wed 2010-02-03 15:44:02: --> EHLO sky21.com.hk
Wed 2010-02-03 15:44:03: <-- 250-p02c11m062.mxlogic.net
Wed 2010-02-03 15:44:03: <-- 250-SIZE 0
Wed 2010-02-03 15:44:03: <-- 250-STARTTLS
Wed 2010-02-03 15:44:03: <-- 250-SUBMITTER
Wed 2010-02-03 15:44:03: <-- 250 PIPELINING
Wed 2010-02-03 15:44:03: --> MAIL From:<vicky@sky21.com.hk> SIZE=156488
Wed 2010-02-03 15:44:03: <-- 250 Sender Ok
Wed 2010-02-03 15:44:03: --> RCPT To:<gen@perelect.com>
Wed 2010-02-03 15:44:04: <-- 250 gen@perelect.com ok (RCPTMode: normal/deferred)
Wed 2010-02-03 15:44:04: --> DATA
Wed 2010-02-03 15:44:04: <-- 354 Start mail input; end with <CRLF>.<CRLF>
Wed 2010-02-03 15:44:04: Sending <e:\emailsv\mdaemon\queues\remote\pd35000012646.msg> to [208.65.144.13]
Wed 2010-02-03 15:44:11: Transfer Complete
Wed 2010-02-03 15:44:11: <-- 554 Denied (Mode: normal)
Wed 2010-02-03 15:44:11: --> QUIT
Wed 2010-02-03 15:44:11: <-- 221 p02c11m062.mxlogic.net Service closing transmission channel [148800.00]
Wed 2010-02-03 15:44:11: SMTP session terminated (Bytes in/out: 434/156596)

neil.fu

您这边可能存在带宽不稳定，或者其他原因退信，可以用转发解决！

caidr

带宽不稳定，这个就不会了，是托管在机房的。
其他原因退信，会不会说被记录到黑名单之类呢？

tdk

和在不在机房关系不大，国际链路很多问题都是链路质量不理想
但也不好排除 出口特殊过滤问题，如广泛讨论的gwf问题