Expired50% confidenceFactExact time
There are open-source temporary email domain blacklist projects on GitHub, such as disposable-email-domains and burner-email-providers, which catalog thousands to tens of thousands of known temporary email domain names.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
Valid until: 10/9/2026(expired)
Sources
临时邮箱黑名单误封自己：开发者必知的反滥用设计陷阱
hackernewshackernews7/9/2026
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