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The Open Platform for
Business Communication

A carrier-grade alternative to Gmail and Outlook, enabling secure, sovereign email, and
productivity apps at any scale — with full control over data, cost, and platform risk.

Why choose OX

The Open Platform
for Business
Communication

A carrier-grade alternative to Gmail and Outlook, enabling secure, sovereign email, and
productivity apps at any scale — with full control over data, cost, and platform risk.

Powering hundreds of millions of user accounts worldwide.

Trusted by:

Powering hundreds
of millions of user
accounts worldwide.

Trusted by:

Why organizations choose OX

Why organizations choose OX

Carrier-grade software proven at massive scale

desktop_cloud_stack_24dp_1F1F1F_FILL1_wght400_GRAD0_opsz24 1Full control over data, deployment, branding, and cost

Designed specifically for service providers and public-sector organizations

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Service Providers

  • Customer and brand ownership
  • Packaging, bundling, and upsell control
  • Multi-tenant, carrier-grade operations
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Public Sector

  • Data sovereignty and jurisdictional control
  • Compliance, auditability, procurement fit
  • Long-term vendor independence
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Service Providers

  • Customer and brand ownership
  • Packaging, bundling, and upsell control
  • Multi-tenant, carrier-grade operations
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Public Sector

  • Data sovereignty and jurisdictional control
  • Compliance, auditability, procurement fit
  • Long-term vendor independence

A modern email experience users
instantly understand

OX delivers a clean, intuitive email, calendar and collaboration experience that feels immediately familiar to users – designed for everyday work across desktop and mobile.

A modern email experience users instantly understand

OX delivers a clean, intuitive email, calendar and collaboration experience that feels immediately familiar to users – designed for everyday work across desktop and mobile.

Enhanced with AI

OX App Suite includes an integrated AI agent that works directly inside email and calendar, helping users get more done, without switching tools or losing control.

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Write emails, schedule appointments, and complete routine actions on behalf of users
NEW
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Search, summarize, and organize emails,                             
contacts, events, and files
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Automate everyday, multi-step tasks across                      
email and calendar
Draft with AI new

Built for scale, security,
and stability

Built for scale, security,
and stability

Carrier-grade architecture used in large national deployments

Security-first by design


Long-term stability and
predictable operations

Ready to discuss your requirements?

Book a demo

 

Ready to discuss your requirements?

Book a demo
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Other products from the OX Group

Other products from the OX Group

PowerDNS

Authoritative DNS for Modern, Mission-Critical Networks
 
High-performance DNS software used by service providers and enterprises to operate secure, fully controlled DNS infrastructure –  from cloud-native platforms and 5G networks to IoT and encrypted DNS deployments.

Dovecot Pro

Carrier-Grade Email
Server at Massive
Scale
 
The commercial edition of Dovecot, trusted by the world’s largest service providers to run high-performance, secure email infrastructure with predictable operations and long-term support.