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Mailspring

Mailspring is an open-source, extensible email client for Mac, Linux, and Windows, offering features like unified inbox and read receipts.

Introduction

Mailspring is a desktop email client designed to enhance productivity and provide a streamlined email experience across multiple platforms. Key features include:

  • Unified Inbox: Manage multiple email accounts (IMAP & Office 365) in a single inbox.
  • Advanced Search: Utilize Gmail-style search queries to quickly find emails.
  • Read Receipts and Link Tracking: Track when your emails are read and links are clicked (Pro feature).
  • Customizable Themes and Layouts: Personalize the appearance with various themes, including dark mode.
  • Translation: Translate messages into multiple languages directly within the client.
  • Signatures: Create custom email signatures with images and social media links.
  • Mailspring Pro: Offers features like snoozing messages, scheduling reminders, contact and company profiles, and mailbox insights.

Mailspring is suitable for individuals and professionals who manage multiple email accounts and require advanced features for productivity and email tracking. It is particularly useful for sales and marketing teams who need insights into email engagement.

Latest News

Changelog - Mailspring

Changelog - Mailspring

8/4/2026

This release updates Mailspring to address a recent Google policy change and fixes email sync with Gmail accounts. This release also moves Mailspring to 64-bit on Windows (Thanks @ronymesquita), and adds an Apple Silicon build for M1 and M2 Macs, dramatically improving performance on those machines....

A free, open-source future for Mailspring - Information - Mailspring Community

A free, open-source future for Mailspring - Information - Mailspring Community

8/4/2026

This is great news. Super excited to see things on a good track for Mailspring. Just converted my lapsed monthly pro account to an annual pro, and mentioned this Discourse in the Slack channel. (The “Mailspring ID” stores metadata that can’t be synced to IMAP for snoozing, send later and read receip...

Mailspring — Free Email Client for Mac, Windows & Linux

Mailspring — Free Email Client for Mac, Windows & Linux

8/4/2026

Mailspring 1.19 is here — accessibility improvements, vCard support, and calendar updates for Mac, Windows, and Linux. See what's new Mailspring icon Pro Features Community GitHub Changelog Download # The fast, beautiful email client for people who take email seriously. A native desktop app for Mac,...

Service Issues - Mailspring Community

Service Issues - Mailspring Community

8/4/2026

| Read receipt weird behaviour Resolved resolved | | 2 | 500 | June 20, 2026 | | Read receipt is not working Resolved resolved | | 3 | 526 | June 20, 2026 | | Read Receipts for the same time everyday Resolved resolved | | 2 | 183 | June 20, 2026 | | Read Receipts Disappeared Service Issues composer ...

Keypad not working after latest update - Bug Reports

Keypad not working after latest update - Bug Reports

8/4/2026

It's been fixed, please update to v1.21.1 (released May 19, 2026).

Alternatives

  • Thunderbird

    It is a free, open-source, and highly customizable email client available across multiple platforms, offering robust features for managing multiple accounts.

  • Microsoft Outlook

    A comprehensive email client widely used in professional settings, offering advanced features for email, calendar, contacts, and task management.

  • Spark

    This modern email client provides a smart inbox, snooze functionality, and cross-platform availability, focusing on productivity and a clean user experience.

  • eM Client

    A feature-rich email client for Windows and macOS that supports various email services, calendars, tasks, and contacts in a unified interface.

  • Apple Mail

    The default email client for macOS and iOS, offering seamless integration with the Apple ecosystem and a straightforward user interface for managing emails.

  • Canary Mail

    It offers end-to-end encryption, read receipts, and a focus on security and privacy, making it a strong alternative for users concerned about data protection.

  • Postbox

    Designed for power users, Postbox offers advanced organizational tools, powerful search, and integrations to manage large volumes of email efficiently.

  • Evolution

    A full-featured personal information management suite for Linux, providing email, calendar, address book, and task management capabilities.

  • Claws Mail

    A lightweight, fast, and highly configurable email client, particularly favored by Linux users for its efficiency and extensibility.

  • Superhuman

    A premium, AI-powered email client focused on speed and advanced productivity features, designed for users who want to manage their inbox at lightning speed.

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