退信提示:"DMARC policy reject"
该退信原因是DMARC 策略拒绝,请发信人检查发信行为是否在允许的范围内,或者检查发件人域名的 DMARC 记录是否正常。
可以通过以下地址查询DMARC记录:https://dmarcly.com/tools/

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