Cuiqiu is a temporary email provider
We have recorded 2 domain(s) routed through Cuiqiu's mail servers. Of those, 2 (100%) are classified disposable. Addresses on these domains are created for one-off use and abandoned, which for SaaS products and mailing lists means fake signups, free-trial abuse and bounces later.
Showing 1 of 2 domains, newest first.
| Domain | Added | Classification |
|---|---|---|
| scalewiz.com | Apr 13, 2026 | Disposable |
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Blocking one provider is whack-a-mole — operators spin up new domains daily. The API scores every signup against the whole catalogue as it grows.
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