Best Mail Servers for Microsoft Outlook

Find and compare the best Mail Servers for Microsoft Outlook in 2026

Use the comparison tool below to compare the top Mail Servers for Microsoft Outlook on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Microsoft Exchange Reviews
    Enhance your productivity with a business-class email and calendaring solution. With Exchange, you can effectively collaborate on essential documents while enjoying a streamlined inbox that highlights significant messages and adjusts to your individual work habits, allowing you to accomplish tasks more efficiently. Benefit from a customized inbox filled with useful features, along with a more structured method for managing and engaging with your emails. Enhanced search functions deliver quicker and more comprehensive results, and the inclusion of Add-ins provides powerful customization options that link you to contemporary services and internal business applications. Additionally, optimize your schedule with a sophisticated calendaring system that surpasses mere appointment setting, automatically capturing details from emails like flight confirmations and hotel bookings, and offering venue suggestions based on your current location. Microsoft Exchange Online serves as a robust hosted email platform designed for businesses, ensuring the protection of your data through advanced security measures. With these tools combined, you can streamline your workflow and empower your team to work more innovatively.
  • 2
    Kerio Connect Reviews
    Experience secure, enterprise-level email, calendar, and collaboration tools without breaking the bank. Kerio Connect offers a comprehensive suite of features and capabilities for messaging and collaboration without the intricacies and hefty costs associated with other platforms. It seamlessly integrates email with shared calendars, scheduling, contact management, tasks, notes, shared and public folders, and instant messaging. You can synchronize your messages directly to your preferred mobile devices using Microsoft ActiveSync. The Instant Messaging feature is compatible with XMPP, allowing use with various third-party chat and IM applications on both desktop and mobile devices. Installation of Kerio Connect takes just 10 minutes, with users able to start working within an additional 10 minutes. This solution can be deployed either on-premises or through partner-hosted cloud environments, accommodating users on Mac, Windows, or Linux systems. Furthermore, it provides comprehensive support for Outlook on both Windows and Mac, as well as numerous other IMAP or POP-compliant email clients, ensuring versatility and ease of integration for all users.
  • 3
    Kingmailer Reviews

    Kingmailer

    KingSMTP.com

    $0 per month
    KingSMTP (formerly known as Kingmailer, founded in 2017) is a simple and fully featured mail server / SMTP service for use by anyone, not just developers. Start sending, receiving or routing your emails with a few clicks.
  • 4
    SmarterMail Reviews

    SmarterMail

    SmarterTools

    $500.00/one-time
    SmarterMail is the ideal Microsoft Exchange alternative. First, it's the only business email server on the market that offers native support for the protocols that power Exchange: MAPI, EWS, and EAS. It does this without the need for any additional software or plug-ins for Microsoft Outlook or other clients -- desktop and mobile! Best of all, it offers all of the features of Exchange, but at a FRACTION of the cost. In addition, features like audio and video group chat, and Online Meetings for team meetings and group collaboration are included at no extra charge. It's designed to provide the functionality businesses need, without sacrificing secure, reliable access to business, and personal, communication.
  • 5
    SOGo Reviews
    SOGo is a reliable and well-supported groupware server designed with an emphasis on scalability and adherence to open standards. Released under the GNU GPL/LGPL v2 and later, SOGo features an advanced AJAX-based web interface while accommodating various native clients by utilizing standard protocols like CalDAV, CardDAV, and GroupDAV, in addition to Microsoft ActiveSync. Acting as the crucial link within your infrastructure, SOGo provides users with a cohesive and comprehensive interface for accessing their data. Its effectiveness has been demonstrated in production settings that cater to thousands of users, ensuring robust performance and efficiency. Overall, SOGo enhances collaboration and information retrieval within organizations of any size.
  • 6
    Scalix Reviews
    Enhance your Outlook experience through features like push email, personal information management, group scheduling, availability services, public folders, delegation, and additional functionalities. By utilizing fewer servers and attractive subscription models, you can boost your profit margins effectively. Furthermore, cut down on licensing expenses while capitalizing on your team's current expertise by adopting a Linux-based system. Scalix offers starter packs that serve as comprehensive, single-server messaging solutions tailored for smaller enterprises and organizations, delivering a complete suite of email and collaboration tools. The Scalix small business edition is specifically crafted for small enterprises, providing a rich array of business capabilities, including the ability to quickly recover deleted user-specific items, support for mobile devices, and various other essential features. This solution not only facilitates efficient communication but also empowers businesses to operate seamlessly in a competitive landscape.
  • 7
    IceWarp Reviews

    IceWarp

    IceWarp

    $312.00/year/user
    There is no office. That is the only rule. TeamChat for project teamwork, business email, TeamChat to collaborate on office documents, and online meetings. All this and more in our secure cloud at half the cost. Chat in groups organized around projects, upload files and mention coworkers. Comment on emails posted by others. Pin important posts. Integration with email allows you to share received messages directly into TeamChat room to catch the attention of colleagues. Desktop Client and Desktop Office documents for Windows and Linux will help you increase your office productivity. You can choose to purchase the entire Suite or just the apps you need.
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