Developer Builds Serverless Disposable Email Service Using Cloudflare Workers and Redis

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A developer has built VanishInbox, a free disposable email service that requires no user signup and runs entirely on Cloudflare Workers and Upstash Redis. Inbound emails are received via Cloudflare Email Routing, parsed by a Worker, and stored in Redis with a native 10-minute TTL that automatically deletes messages without any scheduled jobs. The 10-minute window was chosen to cover typical verification flows while limiting abuse potential. Once live, the biggest challenge proved to be bots hammering the inbox API to generate addresses at scale for automation purposes. The architecture eliminates idle compute costs and avoids maintaining a traditional backend server or database.

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