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10 Minute Mail vs 33Mail: catalog facts
10 Minute Mail	33Mail
Free Free to use with no account.	Free Free for unlimited aliases on the 33mail subdomain.
Web	Web
No signup; inbox ready instantly Timer can be extended	Unlimited free aliases on the service's subdomain Simple to create a new alias on demand for any signup
Expired addresses stop receiving mail Replying and forwarding are disabled after expiry	Aliases live on 33mail's shared subdomain rather than a custom domain on the free tier Long-running service with a dated interface compared to newer alternatives
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.