Unverified50% confidenceTradeoffExact time
自托管邮件形成悖论：需要发送足够多的正常邮件来积累IP信誉，但在积累信誉之前邮件根本发不出去
1
Sources
50%
Confidence
Long-term
Relevance
8/19/2026
First Seen
Sources
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