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Posteo vs Runbox: catalog facts
PosteoRunbox
Paid

1 euro per month, with paid upgrades for storage and aliases.

Paid

Paid subscription after a free 30-day trial.

Web Web
  • Signup without personal details
  • Low fixed monthly price
  • Data hosted in Norway under Norwegian privacy law and GDPR
  • No advertising
  • No free tier
  • 4 GB base storage
  • No free plan after the trial
  • Hosted service, so you rely on the provider for your mail
Web application, Hosted service Web application, Hosted service
Closed source Closed source
License not stated License not stated
Account needed Account needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 24, 2026

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