The leader in open email platforms

With more than 220 million users, and a global customer base including some of the biggest telcos and hosters in the US and Europe, Open-Xchange is the largest independent email provider in the world. The OX Cloud email platform is the perfect choice for providers asking themselves “Where do we take email now?”
Our flexible packaging allows you to deliver a premium email experience tailored to your audience, with a business model that keeps you firmly in control of your business success.

For Hosting

For Telcos

For Public Sector
TRUSTED BY MARKET LEADING BRANDS ALL OVER THE WORLD





[quote from Andrea about CS team adopt and offer encrypted DNS through DNS-over-HTTPS (DoH) and DNS-over-TLS (DoT). Back in 2018, when the IETF introduced two standards on DNS encryption, Open-Xchange and PowerDNS were amongst the first to adopt an

Andreas Gauger
Open-Xchange, CEO
Latest news from Open-Xchange

Chris Holder
On 22 Mar, 2023
Delivers practical application of AI to underpin efficient communications for SMBs Small and Medium Business (SMB) email users will be able to communicate more...

Justin Wölki
On 28 Feb, 2023
For the third consecutive year, Open-Xchange has been named a Top Company by Kununu – and we’re very proud that the 2023 award puts us in the top 5% of companies listed...

Alexander ter Haar
On 5 Dec, 2022
DNS is one of the vital components of the internet, invisibly making the internet work for everyone for almost four decades. It needs to be rock-solid, in terms of...