Unverified50% confidenceFactExact time
Plainmail claims it will automatically write MX, SPF, DKIM and DMARC records directly on Cloudflare, Vercel or Porkbun, and will check them after writing.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
11/6/2026
First Seen
Valid until: 2/4/2027
Sources
Related Entities
Related Claims
Unverified启用Cloudflare邮件路由时,Cloudflare会自动为域名添加指向其邮件处理服务器的MX记录61% similarVerifiedDKIM通过非对称加密为邮件头部添加数字签名,验证邮件在传输过程中未被篡改61% similarVerifiedDMARC is an email authentication protocol built on top of SPF and DKIM that allows domain owners to tell receiving parties how to handle emails that fail authentication.60% similarUnverifiedEmail verification checks whether an address actually exists via SMTP handshake or DNS record lookup, thereby filtering out invalid addresses before sending and reducing bounce rates.60% similarVerifiedProfessional email sending practices include using mailbox warm-up tools to build domain reputation, configuring SPF/DKIM/DMARC domain authentication records, and controlling daily sending volume and sending intervals.59% similar
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https://kongchang.com/claim/1143183API
curl https://kongchang.com/api/v1/knowledge/claims/1143183MCP
get_claim(id=1143183)