Mailfence: Secure and Private Email
Reclaim your online privacy!
7 employees · est. 2016 · Brussels, Belgium
Open-Xchange
For a borderless internet that is open, safe and secure.
199 employees · est. 2005 · Koln, Germany
Open-Xchange is the older company (2016 vs 2005); Open-Xchange is the larger of the two.
Side-by-Side Comparison
| Metric | Mailfence: Secure and Private Email | Open-Xchange |
|---|---|---|
| Founded | ||
| Founded | 2016 | 2005 older |
| Headquarters | ||
| Headquarters | Brussels, Belgium | Koln, Germany |
| Employees | ||
| Employees | 7 | 199 larger |
| Industry | ||
| Industry | Cyber Security, Messaging, Privacy and Security | IT, Productivity, Marketing |
| Funding Stage | ||
| Funding Stage | Not tracked yet | Series D |
| Total Funding | ||
| Total Funding | Not tracked yet | $64.00M |
| Funding Rounds | ||
| Funding Rounds | Not tracked yet | 5 |
| Services | ||
| Services | Secure Email Service, Document Storage and Sharing, Calendar Management, OpenPGP Key Management | OX App Suite, Dovecot Pro, PowerDNS |
| Target Customers | ||
| Target Customers | Privacy-Conscious Individuals, Businesses Needing Secure Communication, OpenPGP Users, Organizations Concerned with Surveillance | Service Providers, Public Sector Organizations, Enterprises |
| Taxonomy | ||
| Taxonomy | Online Privacy, Secure Email, End-to-end Encryption, Digital Signatures, Cloud Software, Email Security, OpenPGP, Data Protection, Digital Rights, Internet Security, Privacy Advocacy, Encrypted Communication, Collaboration Suite, Anti-spam | Open Source Software, Secure Communication, Office Productivity Software, IMAP Server Software, DNS Solutions, Internet Services, Mail/Messaging, Collaboration Software, Productivity Stack, Agile Development, Privacy-focused Solutions, Telcos And Hosters, Service Providers, Dovecot, PowerDNS |
| Website | ||
| Website | mailfence.com | ox.io |
About Mailfence: Secure and Private Email
Mailfence: Secure and Private Email, founded in 2016, offers a compelling value proposition in the growing Cyber Security and Privacy and Security space. Under the slogan "Reclaim your online privacy!", the company delivers end-to-end encrypted email services with digital signatures, emphasizing a c...
About Open-Xchange
Open-Xchange is positioned as a market leader in providing secure, open-source communication and productivity software. Founded in 2005, the company has successfully sold over 220 million seats through partnerships with major hosters and telcos like IONOS, Orange, Italiaonline, Comcast, GoDaddy, NTT...
We will tell you when either one moves
BounceWatch watches Mailfence: Secure and Private Email and Open-Xchange for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Mailfence: Secure and... and Open-Xchange — by email.
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Compiled from the BounceWatch company index. We last looked at Mailfence: Secure and Private Email on 11 Jun 2026, and Open-Xchange on 28 May 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
