Meet Postbox
The email app that's powerful, beautiful, fully-featured, lightning fast, and easy to use.
Works with Any IMAP or POP Account
Gmail, GSuite, iCloud, Yahoo, Office 365, Outlook, Hotmail, AOL, Fastmail, ProtonMail, and many more.
All Your Accounts in One Place
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Organize Your Accounts into Groups
Keep your work and personal accounts separate using Account Groups. View a single account, or select an account group to get a unified view of all your messages within the group.
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Quickly Access Favorite Folders
Like a web browser, get fast access to your go-to folders using the Favorites Bar.
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View Inboxes in Separate Tabs
Organize your inboxes, folders, or messages in Tabs, then quickly switch between them.
Lightning Fast Search
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Spend Less Time Searching
Find things in a flash with Postbox's ultra-fast Search Engine.
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Easily Create Advanced Queries
Customize searches by sender, subject, date range, or other attributes.
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Search for Files and Images
Search for files and images hiding in your email accounts, then easily download or reuse them.
Inbox Zero in Record Time
The Best Email App for Busy Inboxes
Fly through your inbox using Postbox's incredible Quick Bar. It works like macOS's Spotlight, but designed specifically for email actions.
Use the Quick Bar to move a message, copy a message, switch folders, tag a message, Gmail label a message, or switch folders simply by typing a few keystrokes.
Postbox also supports a full suite of keyboard shortcuts, email filters/rules, and intuitive swipe actions on macOS.
24 Beautiful Themes
Pixel-perfect user interfaces designed for macOS and Windows.
Exceptionally Customizable
Email that Works the Way You Do
Customize Postbox's interface just the way you want it. Display messages in vertical and horizontal views, organize folders in the Favorites Bar or Tabs, or pin important emails to the top of your message list.
Extend Postbox's functionality through Postbox Labs, a place for 3rd-party code such as OpenPGP encryption and Import & Export Tools.
Pro-Class Composition Tools
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Reuse Common Responses
Insert pre-canned snippets of text, images, or blocks of HTML with just a few keystrokes.
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Always Send from the Correct Account
Receive a warning when you address a message from the wrong account.
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Edit in HTML
Edit directly in HTML using our advanced code editor.
Email Privately and Securely
We're serious about protecting your privacy and keeping you safe.
- We do not store your email messages or passwords on our servers
- We do not read your emails or serve you ads
- We do not implement features that invade your privacy
- We help keep you safe from phishing and malware
- We warn you if someone is trying to track your behavior
- Free OpenPGP encryption through Enigmail, a 3rd-party Labs Project
Customer Buzz
Discover why our customers think Postbox is the best email app for Mac and Windows.
@Postbox Thanks! I'm very happy to finally upgrade!@GregoryOriol
Hey Mozilla employees, @Postbox is hiring! Work with Mozilla code on a product that people love. Send us a DM or vi… twitter.com/i/web/status/1…@Postbox