[](https://www.open-xchange.com/cs/c/?cta_guid=8c463cf9-1628-4716-a66c-d84a1f3045d4&signature=AAH58kEmApHGE7rZxNxxZDb8-iUopErDug&portal_id=9391640&pageId=43745140565&placement_guid=a2114d13-5ef7-4a58-9105-05c7ba2230fd&click=8e34c9ec-759a-44ea-93f1-f8dd076911e0&redirect_url=APefjpEVEjFuQX-yDqV3yNNi9CyizYsKpGW-KiCaw1IWQKJw9X1T8dMqrZUXyFmEsoTv3varM9YCPCXSACRuD10qfmwPYhORQcm-oseeOSRPOPQg4CwqQIegWWscu3s5gcicWQgrnR3a&hsutk=&canon=https%3A%2F%2Fwww.open-xchange.com%2F&ts=1742564280602 "Meet the Open-Xchange team at CLOUDFEST in Europa-Park, Germany on March 17-20, 2025!")
[**Meet the Open-Xchange team at CLOUDFEST in Europa-Park, Germany on March 17-20, 2025!**](https://www.open-xchange.com/cs/c/?cta_guid=8c463cf9-1628-4716-a66c-d84a1f3045d4&signature=AAH58kEmApHGE7rZxNxxZDb8-iUopErDug&portal_id=9391640&pageId=43745140565&placement_guid=a2114d13-5ef7-4a58-9105-05c7ba2230fd&click=8e34c9ec-759a-44ea-93f1-f8dd076911e0&redirect_url=APefjpEVEjFuQX-yDqV3yNNi9CyizYsKpGW-KiCaw1IWQKJw9X1T8dMqrZUXyFmEsoTv3varM9YCPCXSACRuD10qfmwPYhORQcm-oseeOSRPOPQg4CwqQIegWWscu3s5gcicWQgrnR3a&hsutk=&canon=https%3A%2F%2Fwww.open-xchange.com%2F&ts=1742564280602 "Meet the Open-Xchange team at CLOUDFEST in Europa-Park, Germany on March 17-20, 2025!")
[](javascript:void\(0\))
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 App Suite 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.
#### OX AI in Your Inbox
The next level of email communication
[Discover more](/products/ox-cloud/ox-ai?hsLang=en)
#### OX AI in Your Inbox
The next level of email communication
[Discover more](/products/ox-cloud/ox-ai?hsLang=en)
* * *
[**Email Solutions
For Email Providers**
Transform email into your fastest growing business, convert free email into paid accounts and increase ARPU with premium features](https://www.open-xchange.com/products/ox-cloud?__hstc=&__hssc=&hsCtaTracking=a581944e-62a1-4e39-b743-1376694b8aec%7Cff105d31-2d77-4b5b-aa03-16dc070ae955&hsLang=en)Â
[**DNS Solutions
For All Applications**
5G, cloud-native, IoT security, DNS encryption: ready for
today’s demands and tomorrow’s challenges](https://www.powerdns.com/?__hstc=&__hssc=&hsCtaTracking=cff7ec68-86ed-4f4a-aeff-cf5fd8138076%7C8e412d32-0ebd-420d-9e51-57c48838ca54)Â
[**Email Backend
Platform For Business
**
A fully supported email backend that is already the platform of choice of the world’s largest Telcos, ISPs and Hosters.](https://www.open-xchange.com/products/dovecot-pro/?hsLang=en)Â
#### TRUSTED BY MARKET LEADING BRANDS ALL OVER THE WORLD
[
**Premium user base growth**
IONOS uses OX App Suite to increase customer satisfaction and productivity, while growing its premium user base
](https://www.open-xchange.com/ionos-case-study?hsCtaTracking=d2ceb53c-c850-490c-8032-7471ed6c4bd2%7Ce6010aee-7e1f-4e5d-984b-58a4e76ef7de&hsLang=en)
[
**Performance improvement**
With Dovecot Pro and OX productivity tools, Rackspace provides the best possible performance to its customers
](https://www.open-xchange.com/rackspace-case-study?hsCtaTracking=ea6acd2e-b911-4d78-92a9-2362a0b50853%7Cc0c6a6b3-49a9-49a8-8e7d-a5915e29e273&hsLang=en)
**Increased end-user activation**
OX products lead to increased user activation and a significant drop in monthly customer churn for GoDaddy
[Download](https://www.open-xchange.com/cs/c/?cta_guid=cd492f26-5ea7-4011-8a66-3ef3d8350765&signature=AAH58kFr3j26X0yh-lGBsqAxiWNBkw9sbg&portal_id=9391640&pageId=43745140565&placement_guid=019c8ce8-26db-45aa-bb81-6d30544c0cda&click=a5c6483a-66b3-4ce1-83a5-928ec417c0d7&redirect_url=APefjpEk5_6S_q1IGKvdWxXoIH2Hml1v5mT1Z5-4d1RSM08kLfWpB009AUeScEewAVmGvMbl-pGS9SRapa7h1GGL4Ibdl0snF3fsaK0bXzqFITgrPbj-qZRHaZdZhKT8cy0i-FVNLmwd&hsutk=&canon=https%3A%2F%2Fwww.open-xchange.com%2F&ts=1742564280617 "Download")
**Premium user base growth**
1&1 uses OX App Suite to increase customer satisfaction and productivity, while growing its premium user base
[Download](https://www.open-xchange.com/cs/c/?cta_guid=e6010aee-7e1f-4e5d-984b-58a4e76ef7de&signature=AAH58kG6DrtgraKJ87ctOnQxZvee6PKtCA&portal_id=9391640&pageId=43745140565&placement_guid=d2ceb53c-c850-490c-8032-7471ed6c4bd2&click=d43f2183-03a6-4012-8efc-d338e6b4c0e6&redirect_url=APefjpEuheSHpSc79hNq8qMRmyrUxIxm1DrXbqcTM8Q6ZdPiBfeDKp214SsUwQqbcdWC5lvWa0KGXzcNLJYyY6lF-tDzSQDn3fAgbyqlGETAfgvWcqYp5c5lgjAzQi4q-_SaC5ZeOWSp&hsutk=&canon=https%3A%2F%2Fwww.open-xchange.com%2F&ts=1742564280624 "Download")
**Performance improvement**
With OX Dovecot Pro and OX productivity tools, Rackspace provides the best possible performance to its customers
[Download](https://www.open-xchange.com/cs/c/?cta_guid=c0c6a6b3-49a9-49a8-8e7d-a5915e29e273&signature=AAH58kEDjwVl_l8B_n7WASGFuYUXq-KESw&portal_id=9391640&pageId=43745140565&placement_guid=ea6acd2e-b911-4d78-92a9-2362a0b50853&click=279eba8f-b5ad-45f1-8971-b5dbccc99cc3&redirect_url=APefjpHsLkFACOTz0xbhdJChBWUV-WDYjaTOq0Zb1HRJNccVi18PYm-PoAqvvkXAt-KyCJU5UF_jeKtUjQOIzMc9hyWkt24GvgwGJTVvyayuiwo-vV5x8G3_WKqd3m-WctWy-A5dgXU3QyTalQ8pv9VoGW1BgCOn1w&hsutk=&canon=https%3A%2F%2Fwww.open-xchange.com%2F&ts=1742564280632 "Download")
* * *
### Latest News From Open-Xchange
[](https://blog.open-xchange.com/a-survey-on-open-source-software-in-the-dns?hsLang=en)
[A survey on open-source software in the DNS](https://blog.open-xchange.com/a-survey-on-open-source-software-in-the-dns?hsLang=en)
----------------------------------------------------------------------------------------------------------------------------------
From the PowerDNS Blog. How relevant is open-source software to the DNS industry? It might...
[Vittorio Bertola](https://blog.open-xchange.com/author/vittorio-bertola?hsLang=en) 02/19/25
[](https://blog.open-xchange.com/dovecot-delivers-the-next-generation-of-email-backends?hsLang=en)
[Dovecot Delivers the Next Generation of Email...](https://blog.open-xchange.com/dovecot-delivers-the-next-generation-of-email-backends?hsLang=en)
--------------------------------------------------------------------------------------------------------------------------------------------------
Dovecot is the most installed mail server in the world, and Dovecot Pro has always offered a...
[Michael Slusarz](https://blog.open-xchange.com/author/michael-slusarz?hsLang=en) 11/21/24
[](https://blog.open-xchange.com/open-xchange-launches-partnership-with-nextcloud?hsLang=en)
[Open-Xchange launches partnership with Nextcloud](https://blog.open-xchange.com/open-xchange-launches-partnership-with-nextcloud?hsLang=en)
--------------------------------------------------------------------------------------------------------------------------------------------
Collaborate to deliver enterprise-grade email backend support option to the wider Roundcube...
[Chris Holder](https://blog.open-xchange.com/author/chris-holder?hsLang=en) 08/09/24
[](https://blog.open-xchange.com/neubox-and-open-xchange-partner-to-deliver-global-ai-first?hsLang=en)
[NEUBOX and Open-Xchange partner to deliver global...](https://blog.open-xchange.com/neubox-and-open-xchange-partner-to-deliver-global-ai-first?hsLang=en)
----------------------------------------------------------------------------------------------------------------------------------------------------------
Launches innovative AI-powered email services into the Mexican market. NEUBOX – the largest...
[Chris Holder](https://blog.open-xchange.com/author/chris-holder?hsLang=en) 01/24/24
### Latest News From
Open-Xchange
[](https://blog.open-xchange.com/a-survey-on-open-source-software-in-the-dns?hsLang=en)
[A survey on open-source software in the DNS](https://blog.open-xchange.com/a-survey-on-open-source-software-in-the-dns?hsLang=en)
----------------------------------------------------------------------------------------------------------------------------------
From the PowerDNS Blog. How relevant is open-source software to the DNS industry? It might...
[Vittorio Bertola](https://blog.open-xchange.com/author/vittorio-bertola?hsLang=en) 02/19/25
[](https://blog.open-xchange.com/dovecot-delivers-the-next-generation-of-email-backends?hsLang=en)
[Dovecot Delivers the Next Generation of Email...](https://blog.open-xchange.com/dovecot-delivers-the-next-generation-of-email-backends?hsLang=en)
--------------------------------------------------------------------------------------------------------------------------------------------------
Dovecot is the most installed mail server in the world, and Dovecot Pro has always offered a...
[Michael Slusarz](https://blog.open-xchange.com/author/michael-slusarz?hsLang=en) 11/21/24
[](https://blog.open-xchange.com/open-xchange-launches-partnership-with-nextcloud?hsLang=en)
[Open-Xchange launches partnership with Nextcloud](https://blog.open-xchange.com/open-xchange-launches-partnership-with-nextcloud?hsLang=en)
--------------------------------------------------------------------------------------------------------------------------------------------
Collaborate to deliver enterprise-grade email backend support option to the wider Roundcube...
[Chris Holder](https://blog.open-xchange.com/author/chris-holder?hsLang=en) 08/09/24
[](https://blog.open-xchange.com/neubox-and-open-xchange-partner-to-deliver-global-ai-first?hsLang=en)
[NEUBOX and Open-Xchange partner to deliver global...](https://blog.open-xchange.com/neubox-and-open-xchange-partner-to-deliver-global-ai-first?hsLang=en)
----------------------------------------------------------------------------------------------------------------------------------------------------------
Launches innovative AI-powered email services into the Mexican market. NEUBOX – the largest...
[Chris Holder](https://blog.open-xchange.com/author/chris-holder?hsLang=en) 01/24/24