退信提示:"Requested action not taken: XXXXXX please try again
Eval score XXXX exceed graylist score 7.000000"

该退信原因是邮件评分较高,怀疑是垃圾邮件,
如确认为正常操作,建议管理员可以进入管理后台的【安全管理】-【发信人规则】中,针对真实发件人新建一条发信人白名单规则进行放宽

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