【懂外语的进.帮看看写的什么东东?Thisisthemailsystemathostmx3-13.sinamail.sina.com.cn.I#39;msorrytohavetoinformyouthatyourmessagecouldnotbedeliveredtooneormorerecipients.It#39;sattachedbelow.Forfurtherassistance,plea

问题：【懂外语的进.帮看看写的什么东东?Thisisthemailsystemathostmx3-13.sinamail.sina.com.cn.I#39;msorrytohavetoinformyouthatyourmessagecouldnotbedeliveredtooneormorerecipients.It#39;sattachedbelow.Forfurtherassistance,pleas】

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李玉朝的回答：

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