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Mailfence vs Zimbra Collaboration
Offer
No offer right now
No offer right now
Focus
Email Security
Business Email Hosting
Product
Belgian secure email with OpenPGP encryption, calendar, contacts, and documents.
Open source email and collaboration platform with calendaring, contacts, and chat.
Headquarters
Brussels, Belgium
Frisco, Texas
Company size
2-10 employees
201-500 employees
Source updated
Oct 29, 2026
Oct 29, 2026
Capabilities
Plan capabilities
Integrations
Buyer fit
Best for
Company size
Security and switching
Security reviews
Security and migration
Case studies and sources
Case studies
Customer evidence
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Email Security
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