{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/a/azumakuniyuki/20240709/20240709115924.jpg","type":"rich","width":"100%","height":"190","blog_url":"https://azumakuniyuki.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fazumakuniyuki.hatenablog.com%2Fentry%2Fsmtp-d4c\" title=\"SMTP D4C \u2014 SRE\u5bc4\u308a\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u8003\u5bdf - /var/lib/azumakuniyuki\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","categories":["SMTP"],"author_url":"https://blog.hatena.ne.jp/azumakuniyuki/","url":"https://azumakuniyuki.hatenablog.com/entry/smtp-d4c","blog_title":"/var/lib/azumakuniyuki","published":"2024-07-09 12:25:00","title":"SMTP D4C \u2014 SRE\u5bc4\u308a\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u8003\u5bdf","author_name":"azumakuniyuki","description":"\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u7d99\u7d9a\u7684\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3059\u308b\u70ba\u306b\u5fc5\u8981\u306a\u8981\u7d20\u3092\u307e\u3068\u3081\u305fSMTP D4C\u3068\u3044\u3046\u6982\u5ff5\u304c\u3042\u308a\u307e\u3059\u3002 \u65e5\u672c\u8a9e\u3067\u306f\u300c\u3044\u3068\u3082\u5bb9\u6613\u304f\u5f97\u3089\u308c\u308b(\u308f\u3051\u3067\u306f\u306a\u3044)\u3048\u3052\u3064\u306a\u3044\u4fe1\u983c\u6027\u300d\u3068\u306a\u308a\u307e\u3059\u3002 SMTP D4C\u3092\u69cb\u6210\u3059\u308b\u306e\u306f\u3064\u6b21\u306e\u4e94\u8981\u7d20\u3067\u3059\u3002 Domain Authentication (\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u5fb9\u5e95) Double Opt-in (\u78ba\u5b9f\u306a\u30c0\u30d6\u30eb\u30aa\u30d7\u30c8\u30a4\u30f3) Delivery (\u7d99\u7d9a\u7684\u306a\u914d\u4fe1) Don't Change (\u914d\u4fe1\u306e\u5b89\u5b9a\u5f8c\u306f\u5909\u66f4\u3057\u306a\u3044) Check & Change (\u5b9a\u671f\u7684\u306a\u78ba\u8a8d\u3068\u72b6\u6cc1\u306b\u5408\u308f\u305b\u305f\u5909\u66f4)"}