Best Email Clients for Thunderbird
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Compare the Top Email Clients that integrate with Thunderbird as of May 2026
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This a list of Email Clients that integrate with Thunderbird. Use the filters on the left to add additional filters for products that have integrations with Thunderbird. View the products that work with Thunderbird in the table below.
What are Email Clients for Thunderbird?
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 for Thunderbird currently available using the table below. This list is updated regularly.
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1
Gmail
Google
Get more done with Gmail. Now more secure, smarter and easier to use—helping you save time and do more with your inbox. See what’s new at a glance, and decide what you want to read and respond to. Get nudges that remind you to follow up and respond to messages, so that nothing slips through the cracks. View attachments, RSVP to events, snooze messages and more without opening any emails. Gmail blocks 99.9% of dangerous emails before they reach you. If we think something seems phish-y, you’ll get a warning.Starting Price: $0 -
2
Yahoo! Mail
Yahoo!
Yahoo Mail is a free email service from Yahoo, as well as a mobile app for email management. Thanks for checking out the Yahoo Mail app—the best email app to organize your Gmail, Microsoft Outlook, AOL, AT&T and Yahoo mailboxes. Whether you need a clutter-free mailbox, added customization, different views for deals, receipts, and attachments, or even more storage, we’ve got you covered. -
3
Fastmail
Fastmail
Email you can feel good about. features you’ll love. You get 100% of our efforts and expert support when you need it. Email holds the details of your life. Here, your story is protected, not monetized. Thoughtful and speedy email, calendars, and contacts; all ad-free. Built with you in mind, you’ll love our intelligent features. Internet companies use your data as a way to get rich. But it doesn’t have to be this way. Take back your privacy and get a better email experience. With your email on your side, you spend more time doing what you love. Use Fastmail in your web browser, on mobile devices, and on desktop apps (Outlook, Thunderbird, Mac Mail). Breeze through your day with email, calendars, and contacts all in one app. Seamlessly import your data. Keep your life organized with a full-featured inbox. Bring all your calendars together. Share with your favorite people. Use your custom domain, and own your email address forever.Starting Price: $3 per user per month -
4
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 -
5
EverDesk
EverEZ Systems
EverDesk is the first and only email client which stores email messages as individual files together with your other files and documents in regular Windows folders, so you can keep all the information related to the same subject together and work with it in a simpler, more flexible, and more powerful way. EverDesk combines the best features of your email client, file manager, Windows Desktop, address book and calendar into a single tightly integrated interface, making it the most advanced information management software on the market. EverDesk's integrated email and file management distinguishes it as a uniquely powerful information manager on the market. Each EverDesk edition enables you to see, organize, and work with all of your email, all of your attachments, all of your files and documents from within a single interface. There's no more alternating back and forth between your email program and Windows Explorer while working on individual activities.Starting Price: $44.95 one-time payment -
6
SOGo
SOGo
SOGo is a fully supported and trusted groupware server with a focus on scalability and open standards. SOGo is released under the GNU GPL/LGPL v2 and above. SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV, as well as Microsoft ActiveSync. SOGo is the missing component of your infrastructure; it sits in the middle of your servers to offer your users a uniform and complete interface to access their information. It has been deployed in production environments where thousands of users are involved.
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