最近總是有這樣的退信， 對方收不到我公司發出的郵件？

evantian

最近總是有這樣的退信，  對方收不到我公司發出的郵件。如下是MD日志的內容和退信的內容，請各位大俠幫忙， 十分感謝！  
MD的日志中的內容如下：
Tue 2007-03-06 17:16:07: Parsing Message <e:\mdaemon\queues\remote\pd50000052674.msg>
Tue 2007-03-06 17:16:07: From: laurayang@vegamedical.cn
Tue 2007-03-06 17:16:07: To: Yelitza.Guerra@tycohealth.com.au
Tue 2007-03-06 17:16:07: Subject: New Product Development
Tue 2007-03-06 17:16:07: Message-ID: <[email=04d701c75fd0$1bfa6720$1800a8c0@SALES3]04d701c75fd0$1bfa6720$1800a8c0@SALES3[/email]>
Tue 2007-03-06 17:16:07: MX-record resolution of [tycohealth.com.au] in progress (DNS Server: 202.96.128.68)...
Tue 2007-03-06 17:16:17: *  Error: 10 second wait for DNS response exceeded (attempt 1 of 3).
Tue 2007-03-06 17:16:17: MX-record resolution of [tycohealth.com.au] in progress (DNS Server: 202.96.128.143)...
Tue 2007-03-06 17:16:17: Packet from DNS server contained an outdated response
Tue 2007-03-06 17:16:21: *  P=010 D=tycohealth.com.au TTL=(60) MX=[mx02ai.tycohealthcare.com] {146.214.96.75}
Tue 2007-03-06 17:16:21: *  P=010 D=tycohealth.com.au TTL=(60) MX=[mx01ai.tycohealthcare.com]
Tue 2007-03-06 17:16:21: Attempting MX: P=010 D=tycohealth.com.au TTL=(60) MX=[mx01ai.tycohealthcare.com]
Tue 2007-03-06 17:16:21: Attempting SMTP connection to [mx01ai.tycohealthcare.com : 25]
Tue 2007-03-06 17:16:21: A-record resolution of [mx01ai.tycohealthcare.com] in progress (DNS Server: 202.96.128.143)...
Tue 2007-03-06 17:16:30: *  Error: 10 second wait for DNS response exceeded (attempt 1 of 3).
Tue 2007-03-06 17:16:30: Attempting SMTP connection to [mx01ai.tycohealthcare.com : 25]
Tue 2007-03-06 17:16:30: A-record resolution of [mx01ai.tycohealthcare.com] in progress (DNS Server: 202.96.128.68)...
Tue 2007-03-06 17:16:30: D=mx01ai.tycohealthcare.com TTL=(1234) A=[216.75.208.75]
Tue 2007-03-06 17:16:30: Attempting SMTP connection to [216.75.208.75 : 25]
Tue 2007-03-06 17:16:30: Waiting for socket connection...
Tue 2007-03-06 17:16:31: Socket connection established (125.93.252.61 : 4172 -> 216.75.208.75 : 25)
Tue 2007-03-06 17:16:31: Waiting for protocol initiation...
Tue 2007-03-06 17:17:11: <-- 554 mx01ai.tycohealthcare.com
Tue 2007-03-06 17:17:11: --> QUIT
Tue 2007-03-06 17:17:11: Attempting MX: P=010 D=tycohealth.com.au TTL=(60) MX=[mx02ai.tycohealthcare.com] {146.214.96.75}
Tue 2007-03-06 17:17:11: Attempting SMTP connection to [146.214.96.75 : 25]
Tue 2007-03-06 17:17:11: Waiting for socket connection...
Tue 2007-03-06 17:17:12: Socket connection established (125.93.252.61 : 4175 -> 146.214.96.75 : 25)
Tue 2007-03-06 17:17:12: Waiting for protocol initiation...
Tue 2007-03-06 17:17:52: <-- 554 mx02ai.tycohealthcare.com
Tue 2007-03-06 17:17:53: Socket connection closed by the other side (how rude!)
Tue 2007-03-06 17:17:53: SMTP session terminated (Bytes in/out: 62/6)

退信中的內容如下：
The attached message had PERMANENT fatal delivery errors!
>
> After one or more unsuccessful delivery attempts the attached message has
> been removed from the mail queue on this server.  The number and frequency
> of delivery attempts are determined by local configuration parameters.
>
> YOUR MESSAGE WAS NOT DELIVERED TO ONE OR MORE RECIPIENTS!
>
> Failed address: Yelitza.Guerra@tycohealth.com.au
>
> : Message contains [1] file attachments

wxhsh

Tue 2007-03-06 17:17:52: <-- 554 mx02ai.tycohealthcare.com

被对方邮服拒绝了，由于对方邮服没有详细描述，最好和对方管理员联系一下，看是IP被拒还是反垃圾设置上的问题。