Communication / Business Email Verified 17 Apr 2026

Mailfence

Privacy-respecting Belgian email + calendar.

Brussels, Belgium · Founded 1999 · Freemium
A European alternative to Google Workspace Gmail (Workspace)

About Mailfence

Mailfence is a secure, encrypted email and groupware service operated by ContactOffice Group, an independent Belgian company active in online collaboration tools since 1999 and based in Brussels. The product bundles encrypted mail, calendar, contacts, documents and groups, with built-in OpenPGP end-to-end encryption, digital signatures and IMAP/POP/CalDAV/CardDAV access. Servers run in Belgium under strict Belgian privacy law and are powered by 100% green energy. There is a free 500 MB plan; paid personal plans start at EUR 2.50/month and business plans at EUR 3.50/user/month.

Quick facts

Pricing model Freemium
Free trial
Open source
Self-hostable No
Public API No
Target audience BOTH
Company size fit Sme
DPA available Yes
Data stored in EU Yes
Last verified by eubuilt.eu on 17 Apr 2026 — re-checks every 6 months Flag listing → Read our criteria →