10 Best Email Clients for Mac in 2025

We shortlisted 10 best email clients for Mac:

1. Apple Mail,
2. Airmail,
3. Spark Mail,
4. Canary Mail,
5. Mimestream,
6. Thunderbird,
7. eM Client,
8. Microsoft Outlook,
9. Kiwi for Gmail,
10. Mailspring.

An overview of Apple Mail functions:

1. Unified inbox: Apple Mail combines multiple email accounts into a single, unified inbox, making it easier to manage emails from different accounts in one place.
2. Smart Mailboxes: Users can create custom mailboxes based on specific criteria (flagged messages or messages from specific people).
3. Threaded conversations: Emails related to the same subject or thread are grouped together, allowing users to follow the conversation more easily.
4. Markup: The Mail app provides built-in markup tools for annotating images, PDFs, and other attachments directly within the app.
5. Machine learning: Apple Mail can recognize dates, addresses, and other information within emails, offering quick actions like adding events to the calendar or opening addresses in Maps.
6. Privacy: Apple Mail has enhanced privacy settings, including Mail Privacy Protection, which hides users’ IP addresses and prevents senders from knowing when an email has been opened.

Airmail offers users these features:

1. Customizable UI: Airmail allows users to personalize the layout, themes, and colors.
2. Multi-account support: Airmail supports Gmail, iCloud, Exchange, Yahoo, Outlook, and IMAP/POP3 accounts.
3. Unified inbox: Similar to Apple Mail, Airmail provides a unified inbox for all accounts.
4. Advanced email management: Airmail includes powerful tools for managing emails, such as snoozing messages for later, setting reminders, and using tags to categorize emails.
5. Integration with popular third-party tools: Users can connect Airmail with apps like Evernote, Trello, OmniFocus, Dropbox, Google Drive, and more.
6. Security: Airmail offers features like PGP encryption for secure email communication, Touch ID, and Face ID support for added security.
7. Search/Filtering: Airmail’s search functionality is powerful and precise; users can search by sender, recipient, subject, date, or content within the body of the email.
8. Customized notifications: Users can set custom notifications, including settings for sounds, alerts, and even specific times.

Here’s a summary of features users get with Spark:

1. Smart Inbox: Spark automatically categorizes incoming emails into different sections, such as Personal, Notifications, and Newsletters.
2. Collaboration: Spark makes it easy for teams to collaborate on emails. Team members can use the internal chat function, delegate emails and tasks, and write emails collaboratively in real time.
3. Smart Search: Spark’s search function is context-aware, enabling users to search using natural language queries like “emails from Susan on Monday” or “Excel attachments from John.”
4. Email scheduling: Users can schedule emails to be sent later.
5. Snooze: Emails can be snoozed to return to the inbox at a later time.
6. Customizable interface: Users can adjust the layout, change the theme, and organize their inbox according to their workflow.
7. Integrations: Spark integrates with a variety of popular productivity apps.
8. Quick Replies: Spark has a set of customizable quick reply buttons, enabling users to respond to emails with a single click.
9. Privacy/Security: Spark supports features such as Touch ID and Face ID to secure access to the app.

Users can enjoy these features with Canary Mail:

1. End-to-end encryption: Canary Mail supports end-to-end encryption using the PGP (Pretty Good Privacy) protocol and Secure Send.
2. Smart Prioritization: Similar to other modern email clients, Canary Mail organizes incoming emails into categories such as Important, Newsletters, and Social.
3. Read receipts and Snooze: Canary Mail supports read receipts and also offers a snooze function, enabling users to temporarily hide emails.
4. Bulk Cleaner: Wipe out emails from a specific sender easily.
5. Natural language search: Like Spark, Canary Mail lets users find emails using natural language queries.
6. Integration with tools: While less extensive than some other email clients, Canary Mail does offer integration with various productivity tools.
7. AI features: Canary Mail has recently introduced a range of AI-driven features to help manage the inbox, highlighting important messages and providing smart notifications.

With Mimestream, users get:

1. Gmail compatibility: Mimestream uses the Gmail API and supports all of Gmail’s features, including labels, filters, keyboard shortcuts, and server-side search.
2. Multiple account support: Mimestream allows users to manage multiple Gmail accounts and supports a unified inbox.
3. Labels and categories: The app offers full support for Gmail’s labels and categories, allowing users to organize their emails as they would in the web version of Gmail.
4. Gmail-specific features: Unlike most Mac email clients, Mimestream supports various Gmail features such as conversation view, Gmail Primary Inbox, email snoozing, and undo send.
5. Offline support: Offline support is available, letting users read, search, and compose emails without an internet connection.
6. Privacy: User emails are directly synced from Gmail to the device without any intermediaries, ensuring data remains private.

Thunderbird has all the features users would want in a robust email client:

1. Cross-platform compatibility: Thunderbird is available on macOS, Windows, and Linux.
2. Multiple accounts: Thunderbird supports a unified inbox and allows users to manage email accounts from different providers
3. RSS and feed support: Thunderbird can be used as an RSS reader, allowing users to subscribe to and read news feeds directly within the app.
4. Customizable: As an open-source project, Thunderbird is highly customizable; there is a wide range of add-ons and extensions available that enhance its functionality.
5. Advanced security: Thunderbird offers built-in support for encryption using S/MIME and OpenPGP. It also includes phishing protection, spam filters, and the ability to disable remote content in emails.
6. Integrated calendar: Thunderbird includes a built-in calendar extension called Lightning, which provides full-featured calendar and task management.
7. Search and filtering: Thunderbird’s search functionality is powerful; users can quickly find emails based on keywords, sender, subject, and other criteria.
8. Tabs support: Like Firefox, Thunderbird uses a tabbed interface that allows users to open multiple emails, folders, or even different email accounts in separate tabs.

eM Client offers standard and unique features such as:

1. Multi-account support: Like most of the clients here, eM Client supports multiple email providers and features a unified inbox.
2. Integrated calendar and tasks: eM Client comes with a built-in calendar that syncs with email accounts, allowing users to manage schedules and tasks alongside emails.
3. Contact management: The app includes an integrated contact management system.
4. Built-in chat: eM Client features a built-in chat client that supports major messaging services like Google Chat and Jabber/XMPP.
5. Encryption/Security: eM Client supports PGP encryption and S/MIME, and even includes password protection, ensuring emails and data remain secure.
6. Touch Bar support: For Mac users with older MacBook Pros, eM Client offers Touch Bar integration.
7. Customizable interface: The interface of eM Client is highly customizable, with options to change themes, layouts, and colors.
8. Instant translation: eM Client includes an automatic translation feature that detects and translates emails written in foreign languages.
9. Localization: eM Client supports 20 different languages.

The Mac version of Outlook offers the same features as the Windows version:

1. Unified inbox: Outlook for Mac features a unified inbox, allowing users to view emails from all their accounts in one place.
2. Enhanced search: The search functionality is powered by Microsoft Search, which provides suggestions as you type and includes recent searches and suggested queries.
3. Integration with Microsoft Teams: Users can schedule and join Teams meetings directly from the Outlook calendar and access Teams chat and files from within the app.
4. My Day Feature: The “My Day” feature provides a quick view of your daily schedule, tasks, and emails in a side panel.
5. Swipe gestures: Outlook for Mac allows users to customize swipe gestures for actions like delete, archive, mark as read, or flag, just like smartphones

Kiwi offers a lot of the same features as the web version of Gmail:

1. Native Gmail experience: Kiwi for Gmail replicates the full Gmail web interface; it supports Gmail features like labels, filters, categories, and Gmail-specific keyboard shortcuts.
2. Multiple Gmail account support: Kiwi allows users to manage multiple Gmail and Google Workspace accounts within the same app.
3. Google Workspace integration: Kiwi for Gmail offers deep integration with Google Drive, Google Docs, Google Sheets, and Google Slides.
4. Focus-Filtered Inbox: Kiwi’s Focus feature minimizes distractions by hiding less important emails and reducing notification noise.
5. Windows and tabs: Kiwi allows users to open multiple windows and tabs within the app, like a web browser.
6. Customizable UI: Kiwi lets users change layout views and color schemes, and tweak how accounts and emails are displayed.

Mailspring’s feature list includes:

1. Support for multiple accounts: Mailspring allows users to manage multiple email accounts from various providers.
2. Advanced search: Mailspring’s search function supports advanced queries, filters, and the ability to search within attachments.
3. Email snoozing: Users can snooze emails, temporarily removing them from the inbox and bringing them back at a specified time.
4. Send Later: Mailspring includes an email scheduling feature that allows users to schedule emails to be sent at a later time.
5. Read receipts and link-tracking: Mailspring supports both read receipts and link tracking, allowing users to know when their emails have been opened and when links within the emails have been clicked.
6. Contact management: The app includes a unified contact management system that aggregates contacts from all your accounts.
7. Multi-language support: Mailspring supports multiple languages, making it accessible to a global user base.
8. Undo Send: Mailspring includes an “Undo Send” feature that allows users to recall an email within a few seconds of sending it.