Unverified50% confidenceCautionExact time
自建邮件服务器面临 IP 信誉管理、反向 DNS 配置、SPF/DKIM/DMARC 设置、安全更新、TLS 证书维护等运维挑战，新服务器 IP 信誉分较低导致邮件易被归入垃圾箱
1
Sources
50%
Confidence
Long-term
Relevance
8/22/2026
First Seen
Sources
Related Entities
Related Claims
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