记得以前好像可以给新浪发信的，不知道咋的，今天就不能发信了。不知道各位有没有碰到过。

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<z76123@sina.com>: host freemx.sinamail.sina.com.cn[202.108.3.242] said: 550
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    rejected. (in reply to RCPT TO command)