我使用imail邮件服务器，发送邮件到香港那边的服务器，出现这个“DATA command generated response”，邮件给退回来，一直都没有找到什么原因？请教各位大侠这个是什么原因引起的，可以通过什么办法解决呢？谢谢！。
DATA command generated response:>Delivery failed 20 attempts: [email=××××××@fillony.com.hk]××××××@fillony.com.hk[/email]
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>DATA command generated response:
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>Delivery failed 20 attempts: [email=×××××@fillony.com.hk]×××××@fillony.com.hk[/email]
>Delivery failed 20 attempts: [email=×××××@fillony.com.hk]×××××@fillony.com.hk[/email]
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>Unexpected connection response from server:
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>Delivery failed 20 attempts:
vinci@fillony.com.hk
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>RCPT TO generated following response:
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>Original message follows.
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