Unverified50% confidenceFactExact time
DMARC通过DNS发布none/quarantine/reject三级策略指导收件方在认证失败时的行动
1
Sources
50%
Confidence
Long-term
Relevance
7/6/2026
First Seen
Sources
Why DMARC's NP Tag Conflicts with DNSSEC
hackernewshackernews7/5/2026
Related Claims
UnverifiedThe np tag was introduced after RFC 7489 via a DMARC working group proposal and is formally discussed in the draft-ietf-dmarc-dmarcbis specification.62% similarUnverifiedAdministrators should review and tighten Tailscale ACL policies, implement the principle of least privilege, and avoid unnecessary root login authorization.54% similarUnverifiedSPF于2003年首次提出（RFC 4408），DKIM于2007年标准化（RFC 4871），DMARC于2015年成为标准（RFC 7489）52% similar
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