{"categories":["IT"],"description":"SPF\u3001DKIM\u3001DMARC \u306e\u4f7f\u3044\u65b9\u3092\u4ee5\u4e0b\u306e\u8868\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002 \u9805\u76ee SPF (Sender Policy Framework) DKIM (DomainKeys Identified Mail) DMARC (Domain-based Message Authentication, Reporting & Conformance) \u76ee\u7684 \u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306e\u8a8d\u8a3c \u30e1\u30fc\u30eb\u5185\u5bb9\u306e\u6539\u3056\u3093\u9632\u6b62\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u78ba\u8a8d SPF\u3068DKIM\u306e\u7d71\u5408\u3001\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u3001\u30dd\u30ea\u30b7\u30fc\u8a2d\u5b9a\u3001\u30ec\u30dd\u30fc\u30c8\u6a5f\u80fd \u4f7f\u3044\u65b9 DNS\u306eTXT\u30ec\u30b3\u30fc\u30c9\u306b\u8a31\u53ef\u3059\u308b\u9001\u4fe1\u5143IP\u3092\u8a2d\u5b9a \u9001\u4fe1\u30b5\u30fc\u30d0\u30fc\u3067\u30e1\u30fc\u30eb\u306b\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3092\u4ed8\u4e0e DNS\u306eTXT\u30ec\u2026","published":"2025-02-26 00:51:39","blog_url":"https://naos92.hatenablog.com/","image_url":null,"author_name":"naos92","url":"https://naos92.hatenablog.com/entry/2025/02/26/005139","version":"1.0","title":"SPF\u3001DKIM\u3001DMARC\u306b\u3064\u3044\u3066\u3001\u4f7f\u3044\u65b9","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","width":"100%","blog_title":"naos92\u306e\u65e5\u8a18","height":"190","author_url":"https://blog.hatena.ne.jp/naos92/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnaos92.hatenablog.com%2Fentry%2F2025%2F02%2F26%2F005139\" title=\"SPF\u3001DKIM\u3001DMARC\u306b\u3064\u3044\u3066\u3001\u4f7f\u3044\u65b9 - naos92\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}