451退信问题

jackdaviv

今天，发给一个客户的邮件遭到退信，退信报告如下
> --- Session Transcript ---
> Fri 2011-01-21 16:05:27: Parsing message <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000027354.msg>
> Fri 2011-01-21 16:05:27: *  From: abc@xyz.com
> Fri 2011-01-21 16:05:27: *  To: rc2@cr.com
> Fri 2011-01-21 16:05:27: *  Subject:
> Fri 2011-01-21 16:05:27: *  Message-ID:
> Fri 2011-01-21 16:05:27: *  Route slip host: cr.com
> Fri 2011-01-21 16:05:27: *  Route slip port: 25
> Fri 2011-01-21 16:05:27: Attempting SMTP connection to [cr.com]
> Fri 2011-01-21 16:05:27: Resolving MX records for [cr.com] (DNS Server: 192.168.0.6)...
> Fri 2011-01-21 16:05:27: *  P=010 S=003 D=cr.com TTL=(94) MX=[cr.com.mail1.psmtp.com] {65.12.4.12}
> Fri 2011-01-21 16:05:27: *  P=020 S=000 D=cr.com TTL=(94) MX=[cr.com.mail2.psmtp.com] {64.18.4.11}
> Fri 2011-01-21 16:05:27: *  P=030 S=001 D=cr.com TTL=(94) MX=[cr.com.mail3.psmtp.com] {64.18.4.13}
> Fri 2011-01-21 16:05:27: *  P=040 S=002 D=cr.com TTL=(94) MX=[cr.com.mail4.psmtp.com] {64.18.4.14}
> Fri 2011-01-21 16:05:27: Attempting SMTP connection to [65.12.4.12:25]
> Fri 2011-01-21 16:05:27: Waiting for socket connection...
> Fri 2011-01-21 16:05:27: *  Connection established (192.168.0.20:1282 -> 65.12.4.12:25)
> Fri 2011-01-21 16:05:27: Waiting for protocol to start...
> Fri 2011-01-21 16:05:27: <-- 220 Postini ESMTP 271 y6_35_1c0 ready.  CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements.
> Fri 2011-01-21 16:05:27: --> EHLO xyz.com.cn
> Fri 2011-01-21 16:05:27: <-- 250-Postini says hello back
> Fri 2011-01-21 16:05:27: <-- 250-STARTTLS
> Fri 2011-01-21 16:05:27: <-- 250-8BITMIME
> Fri 2011-01-21 16:05:27: <-- 250 HELP
> Fri 2011-01-21 16:05:27: --> MAIL From:<abc@xyz.com>
> Fri 2011-01-21 16:05:28: <-- 250 Ok
> Fri 2011-01-21 16:05:28: --> RCPT To:<rc2@cr.com>
> Fri 2011-01-21 16:05:28: <-- 250 Ok
> Fri 2011-01-21 16:05:29: --> DATA
> Fri 2011-01-21 16:05:29: <-- 354 Feed me
> Fri 2011-01-21 16:05:29: Sending <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000027354.msg> to [65.12.4.12]
> Fri 2011-01-21 16:05:33: Transfer Complete
> Fri 2011-01-21 16:05:38: <-- 451 Please try again for virus detection - psmtp
> Fri 2011-01-21 16:05:38: --> QUIT
> Fri 2011-01-21 16:05:38: Attempting SMTP connection to [64.18.4.11:25]
> Fri 2011-01-21 16:05:38: Waiting for socket connection...
> Fri 2011-01-21 16:05:38: *  Connection established (192.168.0.20:1294 -> 64.18.4.11:25)
> Fri 2011-01-21 16:05:38: Waiting for protocol to start...
> Fri 2011-01-21 16:05:54: <-- 220 Postini ESMTP 198 y6_35_1c0 ready.  CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements.
> Fri 2011-01-21 16:05:54: --> EHLO xyz.com.cn
> Fri 2011-01-21 16:05:54: <-- 250-Postini says hello back
> Fri 2011-01-21 16:05:54: <-- 250-STARTTLS
> Fri 2011-01-21 16:05:54: <-- 250-8BITMIME
> Fri 2011-01-21 16:05:54: <-- 250 HELP
> Fri 2011-01-21 16:05:54: --> MAIL From:<abc@xyz.com>
> Fri 2011-01-21 16:05:54: <-- 250 Ok
> Fri 2011-01-21 16:05:54: --> RCPT To:<rc2@cr.com>
> Fri 2011-01-21 16:05:55: <-- 250 Ok
> Fri 2011-01-21 16:05:57: --> DATA
> Fri 2011-01-21 16:05:57: <-- 354 Feed me
> Fri 2011-01-21 16:05:57: Sending <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000027354.msg> to [64.18.4.11]
> Fri 2011-01-21 16:06:01: Transfer Complete
> Fri 2011-01-21 16:06:02: <-- 451 Please try again for virus detection - psmtp
> Fri 2011-01-21 16:06:02: --> QUIT
> Fri 2011-01-21 16:06:02: Attempting SMTP connection to [64.18.4.13:25]
> Fri 2011-01-21 16:06:02: Waiting for socket connection...
> Fri 2011-01-21 16:06:02: *  Connection established (192.168.0.20-> 64.18.4.13:25)
> Fri 2011-01-21 16:06:02: Waiting for protocol to start...
> Fri 2011-01-21 16:06:02: <-- 220 Postini ESMTP 228 y6_35_1c0 ready.  CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements.
> Fri 2011-01-21 16:06:02: --> EHLO xyz.com.cn
> Fri 2011-01-21 16:06:02: <-- 250-Postini says hello back
> Fri 2011-01-21 16:06:02: <-- 250-STARTTLS
> Fri 2011-01-21 16:06:02: <-- 250-8BITMIME
> Fri 2011-01-21 16:06:02: <-- 250 HELP
> Fri 2011-01-21 16:06:02: --> MAIL From:<abc@xyz.com>
> Fri 2011-01-21 16:06:02: <-- 250 Ok
> Fri 2011-01-21 16:06:02: --> RCPT To:<rc2@cr.com>
> Fri 2011-01-21 16:06:03: <-- 250 Ok
> Fri 2011-01-21 16:06:03: --> DATA
> Fri 2011-01-21 16:06:04: <-- 354 Feed me
> Fri 2011-01-21 16:06:04: Sending <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000027354.msg> to [64.18.4.13]
> Fri 2011-01-21 16:06:07: Transfer Complete
> Fri 2011-01-21 16:06:07: <-- 451 Please try again for virus detection - psmtp
> Fri 2011-01-21 16:06:07: --> QUIT
> Fri 2011-01-21 16:06:07: Attempting SMTP connection to [64.18.4.14:25]
> Fri 2011-01-21 16:06:07: Waiting for socket connection...
> Fri 2011-01-21 16:06:07: *  Connection established (192.168.0.20:1315 -> 64.18.4.14:25)
> Fri 2011-01-21 16:06:07: Waiting for protocol to start...
> Fri 2011-01-21 16:06:08: <-- 220 Postini ESMTP 286 y6_35_1c0 ready.  CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements.
> Fri 2011-01-21 16:06:08: --> EHLO xyz.com.cn
> Fri 2011-01-21 16:06:08: <-- 250-Postini says hello back
> Fri 2011-01-21 16:06:08: <-- 250-STARTTLS
> Fri 2011-01-21 16:06:08: <-- 250-8BITMIME
> Fri 2011-01-21 16:06:08: <-- 250 HELP
> Fri 2011-01-21 16:06:08: --> MAIL From:<abc@xyz.com>
> Fri 2011-01-21 16:06:08: <-- 250 Ok
> Fri 2011-01-21 16:06:08: --> RCPT To:<rc2@cr.com>
> Fri 2011-01-21 16:06:09: <-- 250 Ok
> Fri 2011-01-21 16:06:09: --> DATA
> Fri 2011-01-21 16:06:09: <-- 354 Feed me
> Fri 2011-01-21 16:06:09: Sending <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000027354.msg> to [64.18.4.14]
> Fri 2011-01-21 16:06:13: Transfer Complete
> Fri 2011-01-21 16:06:14: <-- 451 Please try again for virus detection - psmtp
> Fri 2011-01-21 16:06:14: --> QUIT
> Fri 2011-01-21 16:06:14: <-- 221 Catch you later
> Fri 2011-01-21 16:06:14: This message is 60 minutes old; it has 0 minutes left in this queue
> Fri 2011-01-21 16:06:14: Remote queue lifetime exceeded; message placed in retry queue
> --- End Transcript ---

jackdaviv

220 Postini ESMTP 271 y6_35_1c0 ready.  CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements.
和
451 Please try again for virus detection - psmtp
是什么意思，是不是邮件被对方当成病毒给拦截了？

398312463

是被当做病毒邮件了。。