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SimpleLoginGuerrilla Mail
Freemium

Free tier available, with paid plans for more aliases and features; owned by Proton.

 Freemium

Disposable addresses are free; using your own domain costs 9.99 USD per year.

Android, Web, Browser extension Web
  • Open source alias generation with the backing of Proton
  • Aliases can be disabled individually to stop spam without changing your real address
  • No signup; address is ready immediately
  • Choice of several domains
  • Best features and higher alias limits require a paid plan
  • Now tied into the Proton ecosystem after the acquisition
  • No encryption; inboxes are not private
  • Many sites block its domains
Web application, Browser extension Web application
Open source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked September 22, 2026

Checked September 23, 2026

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