LinuxSPF の検証に SPF Engine を使う。ついでに DMARC と ARC も。
はじめに 2022/08/23 よりドコモがドコモメールのドメイン認証技術に DKIM と DMARC を採用するというお話しがあった。 報道発表資料の PDF はこちら そう言えば自宅サーバー (C...
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