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Email, calendar, and productivity apps your customers will enjoy using

A fully featured, white-label email, productivity and collaboration platform for hosting providers, telcos, and ISPs - designed to scale, monetize, and stay under your control.

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Powering hundreds of millions of user accounts worldwide.

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Everything users expect from modern business email

OX delivers a modern, intuitive email and calendar experience that consumers and businesses can use instantly - without the need for IT knowledge or training.

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Clean, intuitive interface

Email and calendar that feel immediately familiar

- fast, clear, and easy to navigate.

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Fully featured email and calendar

All the capabilities users expect from a top-tier business email and calendar solution.

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Consistent across devices

Delivering seamless user experience for iOS and Android across desktop, tablet, and mobile.

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Powered by AI that feels natural

AI in OX is built around an integrated AI agent that supports the way users already work - improving productivity without adding complexity or changing workflows.

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Designed for the way SMBs work

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Sales and outreach

Cold calls, follow-ups, and customer communication with strong deliverability - legitimate business email that reaches inboxes, not spam folders.

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Mailing lists and campaigns

Reliable sending and reputation protection for newsletters, updates, and customer communications.

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Customer support and service communication

Shared mailboxes and dependable delivery for support, billing, and service notifications.

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Professional services

Secure email for lawyers, doctors, consultants, and other regulated professions - including encrypted communication with OX Guard.

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International teams

Language barriers reduced with built-in translation and summaries.

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Team communication and scheduling

Shared calendars, meeting scheduling and reliable communication for onsite and distributed teams. 

Going beyond email - a fully integrated suite

OX brings together the essential applications users rely on every day into one coherent, integrated suite, delivered by a single provider and managed as one service.

Alongside email and calendar, OX App Suite includes:

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Documents

For editing text documents, spreadsheets, and presentations directly in the browser.

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Drive

For cloud storage, file sharing, and attachment handling tightly integrated with email.

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Tasks

For personal and shared to-dos, linked to emails and calendar events.

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Cloud or on-premise – the choice is yours

Deploy OX on-premise, in your preferred public cloud, or simply use our fully managed OX Cloud service - with a consistent platform, user experience, and operational model across all environments.

Scale from thousands to millions of mailboxes with predictable performance and cost.

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All the tools you need

Behind the clean end-user experience sits a powerful platform built specifically for hosting providers, telcos, and ISPs.

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Fully white-label

Your brand, your domains, your customer relationship. From login screens to feature bundles, OX stays invisible.

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Best-practice setup out of the box

Start with a fully configured, production-ready setup or customise deeply when you want to differentiate.

Upgrade

Built-in upsell and cross-sell mechanics

Turn email into a revenue engine with feature-based upgrades, service tiers, and add-ons.

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Powerful, but easy to operate

Advanced tools and dashboards built for operators, not developers - enabling day-to-day operations without unnecessary complexity.

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Configurable, modular platform

Offer Email, Calendar and exactly what fits your portfolio - without forcing one-size-fits-all bundles.

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Commercial models that match your business

Support freemium, tiered plans, trials, and paid upgrades.

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Centralised management at scale

Operate users, domains, features, quotas, and entitlements from a single control layer.

Built for secure, large-scale email operations

OX is designed to meet the security and compliance expectations of regulated industries and public-sector customers.

Security-first architecture

Protection against abuse, phishing, and malware

Optional encryption for sensitive communication

Commercial support with clear SLAs

Long-term stability for multi-year provider roadmaps

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Ready to build an email service your customers will love and you can monetise?

Talk to our experts about launching or upgrading your email platform with OX.

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Explore OX App Suite add-ons

We are continually developing new products and add-ons that your customers value and that strengthen your offering.

OX App Suite integrations

OX App Suite integrates with a wide range of third-party applications for video, productivity, contacts, and collaboration, enabling a seamless, connected user experience.

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