Compare the Top Email Clients in the UK as of November 2025

What are Email Clients in the UK?

Email clients are software applications used to send, receive, organize, and manage email messages on desktops, mobile devices, or web browsers. They provide user-friendly interfaces to access multiple email accounts, support features like contact management, calendar integration, message filtering, and offline access. Email clients can be standalone applications or web-based. They often include security features such as spam filtering, encryption, and phishing protection to safeguard communications. Email clients are essential tools for personal and professional communication, enhancing productivity and organization. Compare and read user reviews of the best Email Clients in the UK currently available using the table below. This list is updated regularly.

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    SmarterMail

    SmarterMail

    SmarterTools

    SmarterMail is the ideal Microsoft Exchange alternative. It’s the only business email server on the market that offers native support for Exchange protocols: MAPI, EWS, and EAS, without requiring any additional software or plug-ins for Microsoft Outlook or other desktop or mobile clients. It delivers all the features of Exchange at a fraction of the cost. SmarterMail also includes audio/video group chat and Online Meetings for team collaboration at no extra charge. Its newest feature, the SmarterMail Marketplace, enables seamless integration with platforms like OnlyOffice, Collabora, and AI tools such as OpenAI’s ChatGPT. Available for both Windows and Linux, SmarterMail has lower hardware requirements, superior stability, and reduced maintenance costs. It’s the perfect solution for businesses of any size or industry seeking Exchange-level functionality, without the high costs.
    Starting Price: $500.00/one-time
  • 2
    GroupWise

    GroupWise

    OpenText

    GroupWise gives users a dynamic, flexible interface that’s intuitive and easily configured to conform to the organization’s requirements. GroupWise runs on cutting-edge data center technology providing modern email, calendaring, and contact management functionality. Create, view, and manage your tasks, appointments, and reminders via the GroupWise task management system. GroupWise provides convenient and centralized access to your contacts, groups, organizations and resources. Secure messaging gateway provides zero-hour antivirus and anti-spam protection on-premises or in the cloud. Bad things happen, but your email and collaboration data can still be safe and sound. Protect against data loss with enterprise-grade archiving. GroupWise provides robust messaging, calendaring, task management, and contact management with a web-based, on-the-go administrative dashboard.
  • 3
    HCL Notes

    HCL Notes

    HCL Software

    Integrate social collaboration, messaging and business applications into a single workspace. HCL Notes is the email client software that gives teams access to email, calendar, and contact management capabilities, and seamlessly integrates other collaboration tools and HCL Domino business applications. With an improved user experience and enhancement of essential mail features, HCL Notes transforms your everyday email into an operational center and becomes even more essential to how your team’s work. Integrate social collaboration, messaging and business applications into a single workspace with Notes. Now, with an improved user experience and enhancement of essential mail features. From leading logistics companies to powerful banks and fashion houses, thousands of the smartest businesses in the world rely on Notes to help run their everyday.
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