Home · Browse · Alternatives to Posteo

Best European alternatives to Posteo in 2026

We found 1 EU-built alternative to Posteo — GDPR-native, with verified data sovereignty and transparent rankings. No pay-to-win.

1 EU-built alternative to Posteo

Mailbox Org

Email Marketing

EU Based

Mailbox is a German privacy-focused email service offering secure webmail, online office tools, cloud storage, and video conferencing. It supports PGP encryption, custom domains, CalDAV/CardDAV, and IMAP/POP3 for personal and business users.

Not finding what you need?

Browse the full directory of European SaaS products, filtered by category, country, and EU score.

Browse all categories →