Mailfence
US alternative: GmailEncrypted email and collaboration suite with calendar, contacts, and document features under Belgian legal jurisdiction.
Fully European
Overview
Mailfence is a secure email product that extends beyond inbox functionality into calendars, contacts, and document collaboration. It is directly relevant as a European alternative to Gmail for users who care about privacy, encryption options, and non-US jurisdiction. Official privacy materials confirm Belgian ownership by ContactOffice Group SA and explicitly frame the service as subject to Belgian law. Public company profiles provide launch timing and Brussels headquarters.