The 8 Best Free Email Clients for Mac in 2019

Take a test drive with these free email programs for the Mac

An illustration of the best free email clients for Mac.

 Theresa Chiechi ©Lifewire

A free email client comes installed and ready for use with macOS, and macOS Mail is not a bad program at all. However, you might want to examine its free alternatives. Here are the best free email clients available for macOS. Give them a try.

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MacOS Mail

Mac OS 10
image copyright Apple

The Mail application that ships with macOS and OS X is solid, feature-rich and spam-eliminating software that is also an easy-to-use email client. Optimized to work on the Mac, the Mail app is trouble free and full featured. It can handle all your email accounts in one place.

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A screenshot of the Spark Mail website.

Spark is an impressive email program that auto-organizes your inboxes and lets you postpone email easily as well as send quick one-click replies. Spark's "Smart Inbox" bubbles messages that are important to you to the top, and uses categories of Personal, Notifications, and Newsletters.

Spark's scheduling feature allows you to assign a time period during which it will send a particular message. Select from times later today, in the evening, tomorrow, or on any date.

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Canary Mail

A screenshot of Canary Mail on various iOS devices.

The Canary Mail application promises effortless one-click encryption that guarantees no one can read your email other than you and your recipient.

Whether it is pointing out key mail and letting you deal with spam in bulk, offering to snooze incoming emails and track the outgoing with the option to block others who are tracking you, or finding emails fast and saving searches for re-use, Canary Mail is one impressive IMAP email program. 

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Screenshot of the Mailspring application.

Aimed at the professional email user, Mailspring boasts mail merge, reminders, and the option to schedule mail—all available in a pro edition.

With the free version, you get a clean, highly productive and expandable email program that includes thrills such as link and open tracking, quick reply templates, and undo send. However, the free edition is limited to 10 accounts.

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Screenshot of the Polymail website showing the email client on various iOS devices.

In addition to all you would expect from a smart, basic email program, Polymail lets you postpone email to be read later and tracks whether the emails you have sent were read.

The paid versions add message templates and other features, but the free version includes basic email tracking, calendar scheduling, read later, and undo send features.

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Mozilla Thunderbird

Screenshot of the Mozilla Thunderbird website.

Mozilla Thunderbird is a full-featured, secure, and functional email client. It lets you handle mail efficiently and filters away junk mail. Thunderbird is no longer in active development except for security updates, but it supplies a streamlined interface and a powerful email package.

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Opera Mail

Screenshot of the Opera Mail website showing the mail program on a Mac computer.

The Opera email client is a slick and flexible interface that will satisfy your email needs, and Opera integrates RSS feeds in this experience as well. Some may find the message editor lacking a bit in power, and the absence of support for encrypted email is unfortunate.

Opera is designed with tab cycling, visual bookmarks, free VPN, and customizable shortcuts. There are over a thousand extensions that can be used to personalize the browser.

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Mozilla SeaMonkey

Screenshot of the SeaMonkey email client showing emails in the Inbox.

Never underestimate Mozilla. The company built SeaMonkey, the email component of its open source browser, on the same Mozilla platform as Firefox 51. It delivers HTML5, hardware acceleration, and improved JavaScript speed. It is a solid performer, full featured and usable.