Need a Postbox alternative?

To help you transition from the now-obsolete Postbox email client, we’ve created an exclusive offer just for you: Mailbird for FREE!

Get Mailbird for FREE
Mailbird - The Best Email client for Windows and Mac

  • G2 Award Highest User Adoption 2025

  • Clean Email Best Email Client 2024

  • G2 Award High Performer 2023

  • G2 Award Easiest Admin 2022

  • Clean Email Best Email Client 2021

  • lifehacker Most popular Mail alternative 2020

  • Centralized email management Centralized email management Manage the messages and contacts from all your different email accounts in a single app.

  • Email tracking Email tracking Find out which email recipients have opened your messages and determine when they opened them.

  • Seamless app integration Seamless app integration Access popular apps, such as Instagram, Slack, Dropbox, Google Calendar, and Asana, directly in Mailbird.

  • BBC
  • PC World
  • CNBC
  • Product Hunt
  • IT World
  • The Huffington Post
  • TechCrunch
  • Bloomberg

Time to unbox your new inbox!

PC or Mac? Why choose? One license gives you access to both versions of Mailbird. Now you can enjoy the clean design and productivity-enhancing features that millions of Mailbirdians have already come to love.

Mailbird on Windows Mailbird on Windows Mailbird on MacOS Mailbird on MacOS
A single app with limitless possibilities A single app with limitless possibilities

A single app with limitless possibilities

Create your own productivity workspace by integrating all your favorite third-party apps with Mailbird. You'll never have to leave your inbox again.

A single app with limitless possibilities A single app with limitless possibilities

Postbox users: Your exclusive offer is here!

The end of Postbox can mark your beginning with Mailbird—for FREE or at a substantial discount. Now’s the best time to enjoy the Mailbird experience, so we look forward to welcoming you to our community.

How does it work?

1Input your Postbox license details

2Pick your exclusive Mailbird Deal

3Install Mailbird and get your license key

SAVE 100.0%
Essential
Pay Once

Basic features for casual and occasional email users.

$0.00

$29.99

 
Last sold 15 min ago
 
  • Checkmark 2 accounts
  • Checkmark Email-based customer support
SAVE 79.8%
Standard
Pay Once

Essential features for personal and basic business users.

$9.99

$49.50

 
Last sold 26 min ago
Lifetime Updates ($10/year) on / off
  • Checkmark 3 accounts
  • Checkmark Email tracking (5 emails/month)
  • Checkmark Limited app integrations
  • Checkmark Email-based customer support
SAVE 69.9%
Premium
Pay Once

Advanced features for business and professional users.

$29.99 / user

$99.75

Last sold 16 min ago
Lifetime Updates ($20/year) on / off
  • Checkmark Unlimited accounts
  • Checkmark Unlimited email tracking
  • Checkmark MS Exchange support
  • Checkmark Standard plan features
  • Checkmark ChatGPT app integration
  • Checkmark VIP customer support

Support with a human touch

At Mailbird, efficient support doesn't come at the expense of warmth and friendliness. We're always ready to lend a hand—no matter the problem.

Support with a human touch

Enjoy the Mailbird experience

Join +4,000,000 users who trust Mailbird.

Mailbird for Windows

  • AI-powered email authoring
  • Customizable workspaces
  • Unsubscribe and block senders and much more...

Mailbird for Mac

  • Designed and optimized for Mac
  • Email tracking
  • Advanced search and much more...