554 mail server permanently rejected message (#5.3.0)问题之一

过街小强

Failed address: k***y@***.com.hk

--- Session Transcript ---
Fri 2011-08-26 11:21:45: Parsing message <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000018427.msg>
Fri 2011-08-26 11:21:45: *  From: ***@*****.com
Fri 2011-08-26 11:21:45: *  To: k***y@***.com.hk
Fri 2011-08-26 11:21:45: *  Subject: =?gb2312?B?x+uw78OmtPLR+S3W0Mm9sqnBprjf?=
Fri 2011-08-26 11:21:45: *  Size (bytes): 2251236
Fri 2011-08-26 11:21:45: *  Message-ID: <39E36E2F7768457682878579AC5520C8@*>
Fri 2011-08-26 11:21:45: Attempting SMTP connection to [*.com.hk]
Fri 2011-08-26 11:21:45: Resolving MX records for [*.com.hk] (DNS Server: 192.168.1.1)...
Fri 2011-08-26 11:21:45: *  P=010 S=000 D=*.com.hk TTL=(720) MX=[*.communilink.*]
Fri 2011-08-26 11:21:45: *  P=010 S=001 D=*.com.hk TTL=(720) MX=[*.communilink.*]
Fri 2011-08-26 11:21:45: *  P=010 S=002 D=*.com.hk TTL=(720) MX=[*.communilink.*]
Fri 2011-08-26 11:21:45: *  P=010 S=003 D=*.com.hk TTL=(720) MX=[*.communilink.*]
Fri 2011-08-26 11:21:45: Attempting SMTP connection to [*.communilink.*:25]
Fri 2011-08-26 11:21:45: Resolving A record for *.communilink.*] (DNS Server: 192.168.1.1)...
Fri 2011-08-26 11:21:45: *  D=*.communilink.*TTL=(2) A=[203.124.*.222]
Fri 2011-08-26 11:21:45: Attempting SMTP connection to [203.124.*.222:25]
Fri 2011-08-26 11:21:45: Waiting for socket connection...
Fri 2011-08-26 11:21:46: *  Connection established (192.168.1.2:1478 -> 203.124.*.222:25)
Fri 2011-08-26 11:21:46: Waiting for protocol to start...
Fri 2011-08-26 11:21:51: <-- 220 *.communilink.*
Fri 2011-08-26 11:21:51: --> EHLO intra.*
Fri 2011-08-26 11:21:51: <-- 250-*.communilink.*
Fri 2011-08-26 11:21:51: <-- 250-SIZE 68000000
Fri 2011-08-26 11:21:51: <-- 250-STARTTLS
Fri 2011-08-26 11:21:51: <-- 250-PIPELINING
Fri 2011-08-26 11:21:51: <-- 250 8BITMIME
Fri 2011-08-26 11:21:51: --> MAIL From:<***@*****.com> SIZE=2251236
Fri 2011-08-26 11:21:57: <-- 250 ok
Fri 2011-08-26 11:21:57: --> RCPT To:<k***y@***.com.hk>
Fri 2011-08-26 11:21:57: <-- 250 ok
Fri 2011-08-26 11:21:57: --> DATA
Fri 2011-08-26 11:21:58: <-- 354 go ahead
Fri 2011-08-26 11:21:58: Sending <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000018427.msg> to [203.124.*.222]
Fri 2011-08-26 11:22:09: Transfer Complete
Fri 2011-08-26 11:22:09: <-- 554 mail server permanently rejected message (#5.3.0)
Fri 2011-08-26 11:22:09: --> QUIT
--- End Transcript ---



今天早上发生的情况,发邮件都可以通,但是发附件的时候就退件了,查看附件,1兆多....应该不是附件大小的问题....后来想了想,发觉附件是比较罕见的格式..pcbdoc格式,于是压缩后重新发..就没有退件通知了....
估计是对邮件服务器的一种安全机制吧?要求附件格式不能为未知格式之类....
分享下....

[ 本帖最后由 过街小强 于 2011-8-27 09:11 编辑 ]

山坛兄弟

不错，现在很多的邮局都有限制的，对于一些不安全的或者未知的附件都采用的拒收的模式，这样也安全一点，特别是对于可执行的程序，一般都拒收。