发送给QQ邮箱的邮件全部被退回

今天人事部给求职的人员发邮件，QQ邮箱的全部被退回，其它邮箱都能接收到，我自己测试了QQ邮箱也是被退回，求解！





您发送的邮件被退回，相关信息如下：
    发件人： liaowenjun@handnear.com
    主题：132
    原文：邮件原文包含在附件中。
    时间：Wed, 27 May 2015 14:56:31 +0800
无法发送到 2851263284@qq.com
    系统应答：(3)the mta server of qq.com -- mx3.qq.com(113.108.16.62) reply:550 Ip frequency limited. tp://service.mail.qq.com/cgi-bin/help?subtype=1&&id=20022&&no=1000725 at 2015-05-27 14:56:33
    退信原因：要求的邮件操作未完成，邮箱不可用（例如，邮箱未找到，或不可访问）。
    解决建议：检查收信人地址是否正确。

Sorry to bounce your email, Information related below:
    Sender: liaowenjun@handnear.com
    Subject: 132
    Original: Original email has been attached.
    Date: Wed, 27 May 2015 14:56:31 +0800
Can not deliver to 2851263284@qq.com
    Reply:(3)the mta server of qq.com -- mx3.qq.com(113.108.16.62) reply:550 Ip frequency limited. tp://service.mail.qq.com/cgi-bin/help?subtype=1&&id=20022&&no=1000725 at 2015-05-27 14:56:33
    Reason:Requested action not taken: mailbox unavailable (E.g., mailbox not found, no access)
    Solution:Check the email address and try again.