收不到sina的邮件
我们公司内部的邮件，别的邮箱的邮件都可以收到，但是唯独sina的邮件不能发也不能收不到，我也不知道是怎么回事，这是我给sina发邮件的时候系统给的退信，附加的邮件发生“永久”的致命投递错误！
经历了一次或数次的投递失败之后，附加的邮件已从该服务器上的邮件队列中删除。
投递尝试的次数和频率
取决于本地配置参数。
该邮件无法投递到一个或多个收信人！
Failed address: suorl@sina.com
--- Session Transcript ---
Fri 2008-09-19 13:30:38: Parsing Message <xxxxxxxxxxxxxxxxxxxxxxxx\pd10000000168.msg>
Fri 2008-09-19 13:30:38: From: suorl@xt-in.com
Fri 2008-09-19 13:30:38: To: suorl@sina.com
Fri 2008-09-19 13:30:38: Subject: test
Fri 2008-09-19 13:30:38: Message-ID:
Fri 2008-09-19 13:30:38: 正在进行的 MX-记录解析（DNS 服务器：192.168.0.250）...
Fri 2008-09-19 13:30:38: * P=010 S=000 D=sina.com TTL=(0) MX= {218.30.115.106}
Fri 2008-09-19 13:30:38: * P=010 S=001 D=sina.com TTL=(0) MX= {60.28.2.248}
Fri 2008-09-19 13:30:38: * P=010 S=002 D=sina.com TTL=(0) MX= {202.108.3.242}
Fri 2008-09-19 13:30:38: Attempting MX: P=010 S=000 D=sina.com TTL=(0) MX= {218.30.115.106}
Fri 2008-09-19 13:30:38: 试图 SMTP 连接到
Fri 2008-09-19 13:30:38: 等候连接...
Fri 2008-09-19 13:30:38: 已建立连接 (192.168.0.254 : 4491 -> 218.30.115.106 : 25)
Fri 2008-09-19 13:30:38: 等待协议初始化...
Fri 2008-09-19 13:30:39: <-- 220 freemx2.sinamail.sina.com.cn ESMTP
Fri 2008-09-19 13:30:39: --> EHLO xt-in.com
Fri 2008-09-19 13:30:39: <-- 250-freemx2.sinamail.sina.com.cn
Fri 2008-09-19 13:30:39: <-- 250-8BITMIME
Fri 2008-09-19 13:30:39: <-- 250 SIZE 31457280
Fri 2008-09-19 13:30:39: --> MAIL From:<suorl@xt-in.com> SIZE=910
Fri 2008-09-19 13:30:39: <-- 250 sender <suorl@xt-in.com> ok
Fri 2008-09-19 13:30:39: --> RCPT To:<suorl@sina.com>
Fri 2008-09-19 13:30:39: <-- 550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.
Fri 2008-09-19 13:30:39: --> QUIT
Fri 2008-09-19 13:30:39: Attempting MX: P=010 S=001 D=sina.com TTL=(0) MX= {60.28.2.248}
Fri 2008-09-19 13:30:39: 试图 SMTP 连接到
Fri 2008-09-19 13:30:39: 等候连接...
Fri 2008-09-19 13:30:39: 已建立连接 (192.168.0.254 : 4492 -> 60.28.2.248 : 25)
Fri 2008-09-19 13:30:39: 等待协议初始化...
Fri 2008-09-19 13:30:39: <-- 220 freemx3.sinamail.sina.com.cn ESMTP
Fri 2008-09-19 13:30:39: --> EHLO xt-in.com
Fri 2008-09-19 13:30:39: <-- 250-freemx3.sinamail.sina.com.cn
Fri 2008-09-19 13:30:39: <-- 250-8BITMIME
Fri 2008-09-19 13:30:39: <-- 250 SIZE 31457280
Fri 2008-09-19 13:30:39: --> MAIL From:<suorl@xt-in.com> SIZE=910
Fri 2008-09-19 13:30:39: <-- 250 sender <suorl@xt-in.com> ok
Fri 2008-09-19 13:30:39: --> RCPT To:<suorl@sina.com>
Fri 2008-09-19 13:30:39: <-- 550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.
Fri 2008-09-19 13:30:39: --> QUIT
Fri 2008-09-19 13:30:39: Attempting MX: P=010 S=002 D=sina.com TTL=(0) MX= {202.108.3.242}
Fri 2008-09-19 13:30:39: 试图 SMTP 连接到
Fri 2008-09-19 13:30:39: 等候连接...
Fri 2008-09-19 13:30:39: 已建立连接 (192.168.0.254 : 4493 -> 202.108.3.242 : 25)
Fri 2008-09-19 13:30:39: 等待协议初始化...
Fri 2008-09-19 13:30:40: <-- 220 freemx1.sinamail.sina.com.cn ESMTP
Fri 2008-09-19 13:30:40: --> EHLO xt-in.com
Fri 2008-09-19 13:30:40: <-- 250-freemx1.sinamail.sina.com.cn
Fri 2008-09-19 13:30:40: <-- 250-8BITMIME
Fri 2008-09-19 13:30:40: <-- 250 SIZE 31457280
Fri 2008-09-19 13:30:40: --> MAIL From:<suorl@xt-in.com> SIZE=910
Fri 2008-09-19 13:30:40: <-- 250 sender <suorl@xt-in.com> ok
Fri 2008-09-19 13:30:40: --> RCPT To:<suorl@sina.com>
Fri 2008-09-19 13:30:40: <-- 550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.
--- End Transcript ---
： 邮件包含 个文件附件
麻烦高手帮我看下，到底是怎么回事。谢谢了
回复 1楼 suorl 的帖子
550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.需要反解。 哦在别的帖看到了有关这个的解释，不光是反解，还有别的设置，
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