They are signed with DKIM. No need to find the original copy or record.


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送交者: conner 于 2016-10-25, 12:25:35:

回答: 电子邮件发出去就有记录, 因此理论上可以查到, 事实要花时间, 问题是 由 silxirt 于 2016-10-25, 11:50:52:

https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail
引用:
DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect email spoofing.




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