Prevent email spoofing? [closed]

StackOverflow https://stackoverflow.com/questions/4939831

  •  31-10-2019
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質問

Is there anyway to stop email spoofing if someone or some bot is sending out emails with my domain name in the from address that do not originate from my server? People have forwarded emails to me stating they received spam from an email address from my domain yet the from email account does not exist on my server nor does it show it originated from my server via the headers.

正しい解決策はありません

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