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Mailinator vs Mailpit: catalog facts
Mailinator	Mailpit
Freemium Public inboxes are free; private domains and testing features need a paid subscription…	Free Free to download and run.
Web	Web, Self-hosted, Command line
Public inboxes need no registration API and webhooks for automated tests	Single binary or Docker image with no dependencies HTML compatibility, link and spam checks built in
Public inboxes can be read by anyone Testing features require a paid plan	For testing only, not a real mail client Spam scoring relies on a SpamAssassin setup
Web application, Hosted service	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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