This is the mail system at host mx2-193.sinamail.sina.com.cn.
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The mail system
<lichun139@mail3-122.sinamail.sina.com.cn> (expanded from
<lichun139@sina.com>): host mail3-122i.sinamail.sina.com.cn[10.55.2.122]
said: 552 sorry, that message size exceeds my databytes limit (#5.3.4) (in
reply to end of DATA command)
<lbs586@mail3-89.sinamail.sina.com.cn> (expanded from <lbs586@sina.com>): host
mail3-89i.sinamail.sina.com.cn[10.55.2.89] said: 552 sorry, that message
size exceeds my databytes limit (#5.3.4) (in reply to end of DATA command)