Top Mailsmith Alternatives: Finding Your Next Email Client

Mailsmith, a once popular standards-based email client, served many users well with its straightforward approach to email management. However, as technology evolves and user needs shift, many are looking for a powerful and modern Mailsmith alternative. Whether you're seeking enhanced features, cross-platform compatibility, or a more contemporary user interface, there are numerous excellent email clients available today.

Best Mailsmith Alternatives

If you're ready to move on from Mailsmith and explore what else is out there, this list highlights some of the best email clients that offer robust features and a smooth user experience. Each provides a compelling reason to consider it as your next go-to email application.

eM Client

eM Client is a full-featured email client with a modern and user-friendly interface, making it an excellent Mailsmith alternative. Available as Freemium for Mac and Windows, it goes beyond basic email by integrating calendar, tasks, contacts, and even chat. Key features include calendar integration, automatic backup, built-in themes and translation, CalDAV, CardDAV, cloud sync, combined inbox, encrypted email, and support for major services like Gmail, Exchange, iCloud, and Outlook.com, along with IMAP and POP3 support.

Thunderbird

Thunderbird is a free, open-source, and cross-platform email, news, and instant messaging client, serving as a powerful Mailsmith alternative. Available on Mac, Windows, Linux, BSD, PortableApps.com, and Haiku, its project strategy is modeled after Mozilla Firefox. Thunderbird is highly extensible by plugins and extensions, boasts a built-in RSS reader, encryption, SMTP integration, multiple account support, tabs, a built-in calendar, customizable features, Gmail and Google Calendar integration, an integrated chat, and both IMAP and POP3 support.

K-9 Mail

K-9 Mail is a free, open-source Android email client that serves as an excellent Mailsmith alternative for mobile users. Available on Android, Android Tablet, and F-Droid, it offers support for multi-folder sync, keyboard shortcuts, and more. Notable features include an ad-free experience, encryption, configurability, encrypted chat, Exchange support, header sorting, IMAP support, multiple account support with a unified view, PGP encryption, POP3 support, and a strong focus on privacy.

Microsoft Office Outlook

Part of the Microsoft Office Suite, Outlook is a comprehensive personal information manager that allows you to manage email, calendar, contacts, and tasks, making it a robust Mailsmith alternative for users seeking an integrated ecosystem. Available as Freemium for Mac, Windows, Web, Android, iPhone, Android Tablet, Windows Phone, iPad, and Apple Watch, Outlook offers features like address book integration, built-in calendar, Exchange integration, cloud storage integration (Box.com, Dropbox, OneDrive), email scheduling, integrated search, multiple account support, unified inbox, and smart attachments.

eM Client

eM Client is a full-featured email client with a modern and easy-to-use interface, presenting itself as a strong Mailsmith alternative. Available as Freemium for Mac and Windows, it integrates calendar, tasks, contacts, and chat functionalities. Key features include calendar integration, automatic backup, built-in themes and translation, CalDAV, CardDAV, chat, cloud sync, combined inbox, contact syncing, encrypted email, email preview, Exchange support, Google Calendar sync, IMAP and POP3 support, and threaded conversations.

Spark

Spark is an email app designed with a clean interface and robust features, making it a modern Mailsmith alternative, particularly for those on Apple and Android devices. Available as Freemium for Mac, Android, and iPhone, it offers intuitive swipes, email snooze, the ability to add multiple attachments from the cloud, and support for various email services. Its features include a clean design, multiple account support, sync across devices, calendar integration, email scheduling, Exchange support, and a smart inbox with email postponement options.

Mailbird

Mailbird is a commercial email client for Windows that goes beyond basic email, functioning as an all-in-one communication platform and a comprehensive Mailsmith alternative. It integrates email, contacts, calendar, apps, task management, and video meetings. Noteworthy features include undo send, integration with popular services like Asana, Dropbox, Facebook, GSuite, Slack, and Trello, a clean design, multiple account support, unified inbox, threaded conversations, and a night mode/dark theme.

Apple Mail

Apple Mail is the default email application bundled with macOS, iPhone, and iPad, making it a natural and free Mailsmith alternative for Apple users. With OS X Yosemite and later, it continues to evolve as a powerful email management tool. Features include seamless integration with the Apple ecosystem, CalDAV and CardDAV support, encrypted email, Exchange integration, rich text editing, and UI customization, offering a polished and intuitive experience.

OpenProject

OpenProject is an open-source project management software, which, while not a direct email client like Mailsmith, features email tracking within its comprehensive suite of tools. Available as Freemium and Open Source for Web, Self-Hosted, Ruby, and Cloudron, it includes features like Gantt charts, Kanban boards, work item tracking, agile boards, cost calculation and estimation, project tracking, reporting, task management, and a wiki, making it suitable for teams needing integrated communication and task management.

Postbox

Postbox is a commercial email application for Mac and Windows that aims to help users organize their work and get things done, positioning itself as a more powerful Mailsmith alternative. It combines the elegance of Apple Mail with enhanced functionality. Key features include Exchange support, multiple account support, integration with cloud services like Box.com, Dropbox, and OneDrive, a built-in RSS reader, extensibility through plugins, IMAP and POP3 support, multiple language support, and a tabbed interface for efficient navigation.

Geary

Geary is a free and open-source email application built around conversations, specifically for the GNOME 3 desktop, making it an excellent Mailsmith alternative for Linux and Chrome OS users. Available on Linux, Chrome OS, BSD, and GNOME, it focuses on a streamlined and intuitive email experience. Features include multiple account support, seamless Gmail integration, and robust support for IMAP and SMTP protocols, ensuring reliable email communication.

The world of email clients is vast and varied, offering solutions for every preference and operating system. Whether you prioritize a free and open-source solution like Thunderbird, a comprehensive suite like Microsoft Office Outlook, or a mobile-first experience like K-9 Mail, there's a perfect Mailsmith alternative out there waiting to be discovered. Explore these options to find the best fit for your specific email needs.